From 93f2c8105421acef2546972a1cbd73f00a69f14e Mon Sep 17 00:00:00 2001
From: zhoujun <jun_zhou1@hnair.com>
Date: Thu, 28 Mar 2019 11:12:59 +0800
Subject: [PATCH] =?UTF-8?q?[feature]Chap01-=E7=AE=80=E5=8D=95=E5=B7=A5?=
 =?UTF-8?q?=E5=8E=82=E6=A8=A1=E5=BC=8F--=E7=AE=80=E6=98=93=E8=AE=A1?=
 =?UTF-8?q?=E7=AE=97=E5=99=A8?=
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

[how]
---
 SimpleFactory/.idea/.name                     |   1 +
 SimpleFactory/.idea/compiler.xml              |  18 +
 SimpleFactory/.idea/encodings.xml             |   6 +
 SimpleFactory/.idea/misc.xml                  |  14 +
 SimpleFactory/.idea/uiDesigner.xml            | 124 ++++
 SimpleFactory/.idea/workspace.xml             | 686 ++++++++++++++++++
 SimpleFactory/SimpleFactory.iml               |   2 +
 SimpleFactory/pom.xml                         |  51 ++
 .../ifish/designpattern/OperationFactory.java |  27 +
 .../designpattern/SpringCalApplication.java   |  24 +
 .../controller/OperationController.java       |  40 +
 .../ifish/designpattern/model/OperaModel.java |  43 ++
 .../designpattern/model/OperationAdd.java     |   9 +
 .../designpattern/model/OperationDiv.java     |  11 +
 .../designpattern/model/OperationMul.java     |   8 +
 .../designpattern/model/OperationSub.java     |   9 +
 .../designpattern/model/ResultModel.java      |  14 +
 .../src/main/resources/application.properties |   0
 .../main/resources/templates/operation.html   |  60 ++
 .../src/main/resources/templates/result.html  |  14 +
 20 files changed, 1161 insertions(+)
 create mode 100644 SimpleFactory/.idea/.name
 create mode 100644 SimpleFactory/.idea/compiler.xml
 create mode 100644 SimpleFactory/.idea/encodings.xml
 create mode 100644 SimpleFactory/.idea/misc.xml
 create mode 100644 SimpleFactory/.idea/uiDesigner.xml
 create mode 100644 SimpleFactory/.idea/workspace.xml
 create mode 100644 SimpleFactory/SimpleFactory.iml
 create mode 100644 SimpleFactory/pom.xml
 create mode 100644 SimpleFactory/src/main/java/site/ifish/designpattern/OperationFactory.java
 create mode 100644 SimpleFactory/src/main/java/site/ifish/designpattern/SpringCalApplication.java
 create mode 100644 SimpleFactory/src/main/java/site/ifish/designpattern/controller/OperationController.java
 create mode 100644 SimpleFactory/src/main/java/site/ifish/designpattern/model/OperaModel.java
 create mode 100644 SimpleFactory/src/main/java/site/ifish/designpattern/model/OperationAdd.java
 create mode 100644 SimpleFactory/src/main/java/site/ifish/designpattern/model/OperationDiv.java
 create mode 100644 SimpleFactory/src/main/java/site/ifish/designpattern/model/OperationMul.java
 create mode 100644 SimpleFactory/src/main/java/site/ifish/designpattern/model/OperationSub.java
 create mode 100644 SimpleFactory/src/main/java/site/ifish/designpattern/model/ResultModel.java
 create mode 100644 SimpleFactory/src/main/resources/application.properties
 create mode 100644 SimpleFactory/src/main/resources/templates/operation.html
 create mode 100644 SimpleFactory/src/main/resources/templates/result.html

diff --git a/SimpleFactory/.idea/.name b/SimpleFactory/.idea/.name
new file mode 100644
index 0000000..4e37ec7
--- /dev/null
+++ b/SimpleFactory/.idea/.name
@@ -0,0 +1 @@
+simplefactory
\ No newline at end of file
diff --git a/SimpleFactory/.idea/compiler.xml b/SimpleFactory/.idea/compiler.xml
new file mode 100644
index 0000000..840d789
--- /dev/null
+++ b/SimpleFactory/.idea/compiler.xml
@@ -0,0 +1,18 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<project version="4">
+  <component name="CompilerConfiguration">
+    <annotationProcessing>
+      <profile name="Maven default annotation processors profile" enabled="true">
+        <sourceOutputDir name="target/generated-sources/annotations" />
+        <sourceTestOutputDir name="target/generated-test-sources/test-annotations" />
+        <outputRelativeToContentRoot value="true" />
+        <module name="SimpleFactory" />
+      </profile>
+    </annotationProcessing>
+  </component>
+  <component name="JavacSettings">
+    <option name="ADDITIONAL_OPTIONS_OVERRIDE">
+      <module name="SimpleFactory" options="-parameters" />
+    </option>
+  </component>
+</project>
\ No newline at end of file
diff --git a/SimpleFactory/.idea/encodings.xml b/SimpleFactory/.idea/encodings.xml
new file mode 100644
index 0000000..e79da7e
--- /dev/null
+++ b/SimpleFactory/.idea/encodings.xml
@@ -0,0 +1,6 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<project version="4">
+  <component name="Encoding" addBOMForNewFiles="with NO BOM">
+    <file url="file://$PROJECT_DIR$" charset="UTF-8" />
+  </component>
+</project>
\ No newline at end of file
diff --git a/SimpleFactory/.idea/misc.xml b/SimpleFactory/.idea/misc.xml
new file mode 100644
index 0000000..4b661a5
--- /dev/null
+++ b/SimpleFactory/.idea/misc.xml
@@ -0,0 +1,14 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<project version="4">
+  <component name="ExternalStorageConfigurationManager" enabled="true" />
+  <component name="MavenProjectsManager">
+    <option name="originalFiles">
+      <list>
+        <option value="$PROJECT_DIR$/pom.xml" />
+      </list>
+    </option>
+  </component>
+  <component name="ProjectRootManager" version="2" languageLevel="JDK_1_8" project-jdk-name="1.8" project-jdk-type="JavaSDK">
+    <output url="file://$PROJECT_DIR$/out" />
+  </component>
+</project>
\ No newline at end of file
diff --git a/SimpleFactory/.idea/uiDesigner.xml b/SimpleFactory/.idea/uiDesigner.xml
new file mode 100644
index 0000000..e96534f
--- /dev/null
+++ b/SimpleFactory/.idea/uiDesigner.xml
@@ -0,0 +1,124 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<project version="4">
+  <component name="Palette2">
+    <group name="Swing">
+      <item class="com.intellij.uiDesigner.HSpacer" tooltip-text="Horizontal Spacer" icon="/com/intellij/uiDesigner/icons/hspacer.png" removable="false" auto-create-binding="false" can-attach-label="false">
+        <default-constraints vsize-policy="1" hsize-policy="6" anchor="0" fill="1" />
+      </item>
+      <item class="com.intellij.uiDesigner.VSpacer" tooltip-text="Vertical Spacer" icon="/com/intellij/uiDesigner/icons/vspacer.png" removable="false" auto-create-binding="false" can-attach-label="false">
+        <default-constraints vsize-policy="6" hsize-policy="1" anchor="0" fill="2" />
+      </item>
+      <item class="javax.swing.JPanel" icon="/com/intellij/uiDesigner/icons/panel.png" removable="false" auto-create-binding="false" can-attach-label="false">
+        <default-constraints vsize-policy="3" hsize-policy="3" anchor="0" fill="3" />
+      </item>
+      <item class="javax.swing.JScrollPane" icon="/com/intellij/uiDesigner/icons/scrollPane.png" removable="false" auto-create-binding="false" can-attach-label="true">
+        <default-constraints vsize-policy="7" hsize-policy="7" anchor="0" fill="3" />
+      </item>
+      <item class="javax.swing.JButton" icon="/com/intellij/uiDesigner/icons/button.png" removable="false" auto-create-binding="true" can-attach-label="false">
+        <default-constraints vsize-policy="0" hsize-policy="3" anchor="0" fill="1" />
+        <initial-values>
+          <property name="text" value="Button" />
+        </initial-values>
+      </item>
+      <item class="javax.swing.JRadioButton" icon="/com/intellij/uiDesigner/icons/radioButton.png" removable="false" auto-create-binding="true" can-attach-label="false">
+        <default-constraints vsize-policy="0" hsize-policy="3" anchor="8" fill="0" />
+        <initial-values>
+          <property name="text" value="RadioButton" />
+        </initial-values>
+      </item>
+      <item class="javax.swing.JCheckBox" icon="/com/intellij/uiDesigner/icons/checkBox.png" removable="false" auto-create-binding="true" can-attach-label="false">
+        <default-constraints vsize-policy="0" hsize-policy="3" anchor="8" fill="0" />
+        <initial-values>
+          <property name="text" value="CheckBox" />
+        </initial-values>
+      </item>
+      <item class="javax.swing.JLabel" icon="/com/intellij/uiDesigner/icons/label.png" removable="false" auto-create-binding="false" can-attach-label="false">
+        <default-constraints vsize-policy="0" hsize-policy="0" anchor="8" fill="0" />
+        <initial-values>
+          <property name="text" value="Label" />
+        </initial-values>
+      </item>
+      <item class="javax.swing.JTextField" icon="/com/intellij/uiDesigner/icons/textField.png" removable="false" auto-create-binding="true" can-attach-label="true">
+        <default-constraints vsize-policy="0" hsize-policy="6" anchor="8" fill="1">
+          <preferred-size width="150" height="-1" />
+        </default-constraints>
+      </item>
+      <item class="javax.swing.JPasswordField" icon="/com/intellij/uiDesigner/icons/passwordField.png" removable="false" auto-create-binding="true" can-attach-label="true">
+        <default-constraints vsize-policy="0" hsize-policy="6" anchor="8" fill="1">
+          <preferred-size width="150" height="-1" />
+        </default-constraints>
+      </item>
+      <item class="javax.swing.JFormattedTextField" icon="/com/intellij/uiDesigner/icons/formattedTextField.png" removable="false" auto-create-binding="true" can-attach-label="true">
+        <default-constraints vsize-policy="0" hsize-policy="6" anchor="8" fill="1">
+          <preferred-size width="150" height="-1" />
+        </default-constraints>
+      </item>
+      <item class="javax.swing.JTextArea" icon="/com/intellij/uiDesigner/icons/textArea.png" removable="false" auto-create-binding="true" can-attach-label="true">
+        <default-constraints vsize-policy="6" hsize-policy="6" anchor="0" fill="3">
+          <preferred-size width="150" height="50" />
+        </default-constraints>
+      </item>
+      <item class="javax.swing.JTextPane" icon="/com/intellij/uiDesigner/icons/textPane.png" removable="false" auto-create-binding="true" can-attach-label="true">
+        <default-constraints vsize-policy="6" hsize-policy="6" anchor="0" fill="3">
+          <preferred-size width="150" height="50" />
+        </default-constraints>
+      </item>
+      <item class="javax.swing.JEditorPane" icon="/com/intellij/uiDesigner/icons/editorPane.png" removable="false" auto-create-binding="true" can-attach-label="true">
+        <default-constraints vsize-policy="6" hsize-policy="6" anchor="0" fill="3">
+          <preferred-size width="150" height="50" />
+        </default-constraints>
+      </item>
+      <item class="javax.swing.JComboBox" icon="/com/intellij/uiDesigner/icons/comboBox.png" removable="false" auto-create-binding="true" can-attach-label="true">
+        <default-constraints vsize-policy="0" hsize-policy="2" anchor="8" fill="1" />
+      </item>
+      <item class="javax.swing.JTable" icon="/com/intellij/uiDesigner/icons/table.png" removable="false" auto-create-binding="true" can-attach-label="false">
+        <default-constraints vsize-policy="6" hsize-policy="6" anchor="0" fill="3">
+          <preferred-size width="150" height="50" />
+        </default-constraints>
+      </item>
+      <item class="javax.swing.JList" icon="/com/intellij/uiDesigner/icons/list.png" removable="false" auto-create-binding="true" can-attach-label="false">
+        <default-constraints vsize-policy="6" hsize-policy="2" anchor="0" fill="3">
+          <preferred-size width="150" height="50" />
+        </default-constraints>
+      </item>
+      <item class="javax.swing.JTree" icon="/com/intellij/uiDesigner/icons/tree.png" removable="false" auto-create-binding="true" can-attach-label="false">
+        <default-constraints vsize-policy="6" hsize-policy="6" anchor="0" fill="3">
+          <preferred-size width="150" height="50" />
+        </default-constraints>
+      </item>
+      <item class="javax.swing.JTabbedPane" icon="/com/intellij/uiDesigner/icons/tabbedPane.png" removable="false" auto-create-binding="true" can-attach-label="false">
+        <default-constraints vsize-policy="3" hsize-policy="3" anchor="0" fill="3">
+          <preferred-size width="200" height="200" />
+        </default-constraints>
+      </item>
+      <item class="javax.swing.JSplitPane" icon="/com/intellij/uiDesigner/icons/splitPane.png" removable="false" auto-create-binding="false" can-attach-label="false">
+        <default-constraints vsize-policy="3" hsize-policy="3" anchor="0" fill="3">
+          <preferred-size width="200" height="200" />
+        </default-constraints>
+      </item>
+      <item class="javax.swing.JSpinner" icon="/com/intellij/uiDesigner/icons/spinner.png" removable="false" auto-create-binding="true" can-attach-label="true">
+        <default-constraints vsize-policy="0" hsize-policy="6" anchor="8" fill="1" />
+      </item>
+      <item class="javax.swing.JSlider" icon="/com/intellij/uiDesigner/icons/slider.png" removable="false" auto-create-binding="true" can-attach-label="false">
+        <default-constraints vsize-policy="0" hsize-policy="6" anchor="8" fill="1" />
+      </item>
+      <item class="javax.swing.JSeparator" icon="/com/intellij/uiDesigner/icons/separator.png" removable="false" auto-create-binding="false" can-attach-label="false">
+        <default-constraints vsize-policy="6" hsize-policy="6" anchor="0" fill="3" />
+      </item>
+      <item class="javax.swing.JProgressBar" icon="/com/intellij/uiDesigner/icons/progressbar.png" removable="false" auto-create-binding="true" can-attach-label="false">
+        <default-constraints vsize-policy="0" hsize-policy="6" anchor="0" fill="1" />
+      </item>
+      <item class="javax.swing.JToolBar" icon="/com/intellij/uiDesigner/icons/toolbar.png" removable="false" auto-create-binding="false" can-attach-label="false">
+        <default-constraints vsize-policy="0" hsize-policy="6" anchor="0" fill="1">
+          <preferred-size width="-1" height="20" />
+        </default-constraints>
+      </item>
+      <item class="javax.swing.JToolBar$Separator" icon="/com/intellij/uiDesigner/icons/toolbarSeparator.png" removable="false" auto-create-binding="false" can-attach-label="false">
+        <default-constraints vsize-policy="0" hsize-policy="0" anchor="0" fill="1" />
+      </item>
+      <item class="javax.swing.JScrollBar" icon="/com/intellij/uiDesigner/icons/scrollbar.png" removable="false" auto-create-binding="true" can-attach-label="false">
+        <default-constraints vsize-policy="6" hsize-policy="0" anchor="0" fill="2" />
+      </item>
+    </group>
+  </component>
+</project>
\ No newline at end of file
diff --git a/SimpleFactory/.idea/workspace.xml b/SimpleFactory/.idea/workspace.xml
new file mode 100644
index 0000000..c7f7019
--- /dev/null
+++ b/SimpleFactory/.idea/workspace.xml
@@ -0,0 +1,686 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<project version="4">
+  <component name="ChangeListManager">
+    <list default="true" id="0a0c2d00-9816-4d54-81d2-b299c0afec0b" name="Default Changelist" comment="" />
+    <ignored path="$PROJECT_DIR$/out/" />
+    <ignored path="$PROJECT_DIR$/target/" />
+    <option name="EXCLUDED_CONVERTED_TO_IGNORED" value="true" />
+    <option name="SHOW_DIALOG" value="false" />
+    <option name="HIGHLIGHT_CONFLICTS" value="true" />
+    <option name="HIGHLIGHT_NON_ACTIVE_CHANGELIST" value="false" />
+    <option name="LAST_RESOLUTION" value="IGNORE" />
+  </component>
+  <component name="DatabaseView">
+    <option name="SHOW_INTERMEDIATE" value="true" />
+    <option name="GROUP_DATA_SOURCES" value="true" />
+    <option name="GROUP_SCHEMA" value="true" />
+    <option name="GROUP_CONTENTS" value="false" />
+    <option name="SORT_POSITIONED" value="false" />
+    <option name="SHOW_EMPTY_GROUPS" value="false" />
+    <option name="AUTO_SCROLL_FROM_SOURCE" value="false" />
+    <option name="HIDDEN_KINDS">
+      <set />
+    </option>
+    <expand />
+    <select />
+  </component>
+  <component name="FileEditorManager">
+    <leaf SIDE_TABS_SIZE_LIMIT_KEY="300">
+      <file pinned="false" current-in-tab="true">
+        <entry file="file://$PROJECT_DIR$/src/main/java/site/ifish/designpattern/model/OperaModel.java">
+          <provider selected="true" editor-type-id="text-editor">
+            <state relative-caret-position="243">
+              <caret line="9" column="8" selection-start-line="9" selection-start-column="8" selection-end-line="9" selection-end-column="8" />
+              <folding>
+                <element signature="e#695#696#0" expanded="true" />
+                <element signature="e#788#789#0" expanded="true" />
+              </folding>
+            </state>
+          </provider>
+        </entry>
+      </file>
+      <file pinned="false" current-in-tab="false">
+        <entry file="file://$PROJECT_DIR$/src/main/java/site/ifish/designpattern/model/OperationSub.java">
+          <provider selected="true" editor-type-id="text-editor">
+            <state relative-caret-position="54">
+              <caret line="2" column="39" selection-start-line="2" selection-start-column="39" selection-end-line="2" selection-end-column="39" />
+            </state>
+          </provider>
+        </entry>
+      </file>
+      <file pinned="false" current-in-tab="false">
+        <entry file="file://$PROJECT_DIR$/src/main/java/site/ifish/designpattern/model/ResultModel.java">
+          <provider selected="true" editor-type-id="text-editor">
+            <state relative-caret-position="216">
+              <caret line="8" column="4" selection-start-line="8" selection-start-column="4" selection-end-line="8" selection-end-column="4" />
+              <folding>
+                <element signature="e#145#146#0" expanded="true" />
+                <element signature="e#209#210#0" expanded="true" />
+                <element signature="e#238#239#0" expanded="true" />
+              </folding>
+            </state>
+          </provider>
+        </entry>
+      </file>
+      <file pinned="false" current-in-tab="false">
+        <entry file="file://$PROJECT_DIR$/src/main/java/site/ifish/designpattern/model/OperationDiv.java">
+          <provider selected="true" editor-type-id="text-editor">
+            <state relative-caret-position="108">
+              <caret line="4" column="67" selection-start-line="4" selection-start-column="67" selection-end-line="4" selection-end-column="67" />
+            </state>
+          </provider>
+        </entry>
+      </file>
+      <file pinned="false" current-in-tab="false">
+        <entry file="file://$PROJECT_DIR$/src/main/java/site/ifish/designpattern/controller/OperationController.java">
+          <provider selected="true" editor-type-id="text-editor">
+            <state relative-caret-position="221">
+              <caret line="21" column="8" selection-start-line="21" selection-start-column="8" selection-end-line="21" selection-end-column="8" />
+              <folding>
+                <element signature="imports" expanded="true" />
+              </folding>
+            </state>
+          </provider>
+        </entry>
+      </file>
+      <file pinned="false" current-in-tab="false">
+        <entry file="file://$PROJECT_DIR$/src/main/java/site/ifish/designpattern/model/OperationAdd.java">
+          <provider selected="true" editor-type-id="text-editor">
+            <state relative-caret-position="54">
+              <caret line="2" column="40" lean-forward="true" selection-start-line="2" selection-start-column="40" selection-end-line="2" selection-end-column="40" />
+              <folding>
+                <element signature="e#154#155#0" expanded="true" />
+                <element signature="e#188#189#0" expanded="true" />
+              </folding>
+            </state>
+          </provider>
+        </entry>
+      </file>
+      <file pinned="false" current-in-tab="false">
+        <entry file="file://$PROJECT_DIR$/src/main/resources/templates/result.html">
+          <provider selected="true" editor-type-id="text-editor">
+            <state relative-caret-position="243">
+              <caret line="9" column="42" selection-start-line="9" selection-start-column="42" selection-end-line="9" selection-end-column="42" />
+            </state>
+          </provider>
+        </entry>
+      </file>
+      <file pinned="false" current-in-tab="false">
+        <entry file="file://$PROJECT_DIR$/src/main/java/site/ifish/designpattern/OperationFactory.java">
+          <provider selected="true" editor-type-id="text-editor">
+            <state relative-caret-position="162">
+              <caret line="6" column="29" selection-start-line="6" selection-start-column="29" selection-end-line="6" selection-end-column="29" />
+            </state>
+          </provider>
+        </entry>
+      </file>
+      <file pinned="false" current-in-tab="false">
+        <entry file="file://$PROJECT_DIR$/target/classes/templates/operation.html">
+          <provider selected="true" editor-type-id="text-editor" />
+        </entry>
+      </file>
+      <file pinned="false" current-in-tab="false">
+        <entry file="file://$PROJECT_DIR$/target/classes/templates/result.html">
+          <provider selected="true" editor-type-id="text-editor">
+            <state relative-caret-position="243">
+              <caret line="9" column="54" selection-start-line="9" selection-start-column="54" selection-end-line="9" selection-end-column="54" />
+            </state>
+          </provider>
+        </entry>
+      </file>
+    </leaf>
+  </component>
+  <component name="FileTemplateManagerImpl">
+    <option name="RECENT_TEMPLATES">
+      <list>
+        <option value="Class" />
+      </list>
+    </option>
+  </component>
+  <component name="FindInProjectRecents">
+    <findStrings>
+      <find>calResult</find>
+      <find>url</find>
+      <find>datasource</find>
+      <find>resultModel</find>
+    </findStrings>
+  </component>
+  <component name="IdeDocumentHistory">
+    <option name="CHANGED_PATHS">
+      <list>
+        <option value="$PROJECT_DIR$/src/main/java/App.java" />
+        <option value="$PROJECT_DIR$/src/main/resources/operation.html" />
+        <option value="$PROJECT_DIR$/src/main/resources/application.properties" />
+        <option value="$PROJECT_DIR$/src/main/java/site/ifish/designpattern/SpringCalApplication.java" />
+        <option value="$PROJECT_DIR$/pom.xml" />
+        <option value="$PROJECT_DIR$/src/main/resources/templates/operation.html" />
+        <option value="$PROJECT_DIR$/src/main/java/site/ifish/designpattern/model/SubOperation.java" />
+        <option value="$PROJECT_DIR$/src/main/java/site/ifish/designpattern/model/MulOperation.java" />
+        <option value="$PROJECT_DIR$/src/main/java/site/ifish/designpattern/model/DivOperation.java" />
+        <option value="$PROJECT_DIR$/src/main/java/site/ifish/designpattern/model/AddOperation.java" />
+        <option value="$PROJECT_DIR$/src/main/java/site/ifish/designpattern/model/OperationAdd.java" />
+        <option value="$PROJECT_DIR$/src/main/java/site/ifish/designpattern/OperationFactory.java" />
+        <option value="$PROJECT_DIR$/src/main/java/site/ifish/designpattern/model/OperaModel.java" />
+        <option value="$PROJECT_DIR$/src/main/java/site/ifish/designpattern/model/ResultModel.java" />
+        <option value="$PROJECT_DIR$/src/main/resources/templates/result.html" />
+        <option value="$PROJECT_DIR$/src/main/java/site/ifish/designpattern/controller/OperationController.java" />
+        <option value="$PROJECT_DIR$/src/main/java/site/ifish/designpattern/model/OperationDiv.java" />
+      </list>
+    </option>
+  </component>
+  <component name="MavenProjectNavigator">
+    <treeState>
+      <expand>
+        <path>
+          <item name="" type="16c1761:MavenProjectsStructure$RootNode" />
+          <item name="simplefactory" type="9519ce18:MavenProjectsStructure$ProjectNode" />
+        </path>
+        <path>
+          <item name="" type="16c1761:MavenProjectsStructure$RootNode" />
+          <item name="simplefactory" type="9519ce18:MavenProjectsStructure$ProjectNode" />
+          <item name="Lifecycle" type="58874e2:MavenProjectsStructure$LifecycleNode" />
+        </path>
+        <path>
+          <item name="" type="16c1761:MavenProjectsStructure$RootNode" />
+          <item name="simplefactory" type="9519ce18:MavenProjectsStructure$ProjectNode" />
+          <item name="Plugins" type="7aea1407:MavenProjectsStructure$PluginsNode" />
+        </path>
+        <path>
+          <item name="" type="16c1761:MavenProjectsStructure$RootNode" />
+          <item name="simplefactory" type="9519ce18:MavenProjectsStructure$ProjectNode" />
+          <item name="Plugins" type="7aea1407:MavenProjectsStructure$PluginsNode" />
+          <item name="clean" type="36feed69:MavenProjectsStructure$PluginNode" />
+        </path>
+      </expand>
+      <select />
+    </treeState>
+  </component>
+  <component name="ProjectFrameBounds" extendedState="6">
+    <option name="x" value="283" />
+    <option name="width" value="1262" />
+    <option name="height" value="695" />
+  </component>
+  <component name="ProjectView">
+    <navigator proportions="" version="1">
+      <foldersAlwaysOnTop value="true" />
+    </navigator>
+    <panes>
+      <pane id="PackagesPane" />
+      <pane id="ProjectPane">
+        <subPane>
+          <expand>
+            <path>
+              <item name="simplefactory" type="b2602c69:ProjectViewProjectNode" />
+              <item name="SimpleFactory" type="462c0819:PsiDirectoryNode" />
+            </path>
+            <path>
+              <item name="simplefactory" type="b2602c69:ProjectViewProjectNode" />
+              <item name="SimpleFactory" type="462c0819:PsiDirectoryNode" />
+              <item name="src" type="462c0819:PsiDirectoryNode" />
+            </path>
+            <path>
+              <item name="simplefactory" type="b2602c69:ProjectViewProjectNode" />
+              <item name="SimpleFactory" type="462c0819:PsiDirectoryNode" />
+              <item name="src" type="462c0819:PsiDirectoryNode" />
+              <item name="main" type="462c0819:PsiDirectoryNode" />
+            </path>
+            <path>
+              <item name="simplefactory" type="b2602c69:ProjectViewProjectNode" />
+              <item name="SimpleFactory" type="462c0819:PsiDirectoryNode" />
+              <item name="src" type="462c0819:PsiDirectoryNode" />
+              <item name="main" type="462c0819:PsiDirectoryNode" />
+              <item name="java" type="462c0819:PsiDirectoryNode" />
+            </path>
+            <path>
+              <item name="simplefactory" type="b2602c69:ProjectViewProjectNode" />
+              <item name="SimpleFactory" type="462c0819:PsiDirectoryNode" />
+              <item name="src" type="462c0819:PsiDirectoryNode" />
+              <item name="main" type="462c0819:PsiDirectoryNode" />
+              <item name="java" type="462c0819:PsiDirectoryNode" />
+              <item name="designpattern" type="462c0819:PsiDirectoryNode" />
+            </path>
+            <path>
+              <item name="simplefactory" type="b2602c69:ProjectViewProjectNode" />
+              <item name="SimpleFactory" type="462c0819:PsiDirectoryNode" />
+              <item name="src" type="462c0819:PsiDirectoryNode" />
+              <item name="main" type="462c0819:PsiDirectoryNode" />
+              <item name="java" type="462c0819:PsiDirectoryNode" />
+              <item name="designpattern" type="462c0819:PsiDirectoryNode" />
+              <item name="controller" type="462c0819:PsiDirectoryNode" />
+            </path>
+            <path>
+              <item name="simplefactory" type="b2602c69:ProjectViewProjectNode" />
+              <item name="SimpleFactory" type="462c0819:PsiDirectoryNode" />
+              <item name="src" type="462c0819:PsiDirectoryNode" />
+              <item name="main" type="462c0819:PsiDirectoryNode" />
+              <item name="java" type="462c0819:PsiDirectoryNode" />
+              <item name="designpattern" type="462c0819:PsiDirectoryNode" />
+              <item name="model" type="462c0819:PsiDirectoryNode" />
+            </path>
+            <path>
+              <item name="simplefactory" type="b2602c69:ProjectViewProjectNode" />
+              <item name="SimpleFactory" type="462c0819:PsiDirectoryNode" />
+              <item name="src" type="462c0819:PsiDirectoryNode" />
+              <item name="main" type="462c0819:PsiDirectoryNode" />
+              <item name="resources" type="462c0819:PsiDirectoryNode" />
+            </path>
+            <path>
+              <item name="simplefactory" type="b2602c69:ProjectViewProjectNode" />
+              <item name="SimpleFactory" type="462c0819:PsiDirectoryNode" />
+              <item name="src" type="462c0819:PsiDirectoryNode" />
+              <item name="main" type="462c0819:PsiDirectoryNode" />
+              <item name="resources" type="462c0819:PsiDirectoryNode" />
+              <item name="templates" type="462c0819:PsiDirectoryNode" />
+            </path>
+            <path>
+              <item name="simplefactory" type="b2602c69:ProjectViewProjectNode" />
+              <item name="SimpleFactory" type="462c0819:PsiDirectoryNode" />
+              <item name="src" type="462c0819:PsiDirectoryNode" />
+              <item name="test" type="462c0819:PsiDirectoryNode" />
+            </path>
+            <path>
+              <item name="simplefactory" type="b2602c69:ProjectViewProjectNode" />
+              <item name="SimpleFactory" type="462c0819:PsiDirectoryNode" />
+              <item name="target" type="462c0819:PsiDirectoryNode" />
+            </path>
+            <path>
+              <item name="simplefactory" type="b2602c69:ProjectViewProjectNode" />
+              <item name="SimpleFactory" type="462c0819:PsiDirectoryNode" />
+              <item name="target" type="462c0819:PsiDirectoryNode" />
+              <item name="classes" type="462c0819:PsiDirectoryNode" />
+            </path>
+            <path>
+              <item name="simplefactory" type="b2602c69:ProjectViewProjectNode" />
+              <item name="SimpleFactory" type="462c0819:PsiDirectoryNode" />
+              <item name="target" type="462c0819:PsiDirectoryNode" />
+              <item name="classes" type="462c0819:PsiDirectoryNode" />
+              <item name="templates" type="462c0819:PsiDirectoryNode" />
+            </path>
+          </expand>
+          <select />
+        </subPane>
+      </pane>
+      <pane id="Scope" />
+    </panes>
+  </component>
+  <component name="PropertiesComponent">
+    <property name="RequestMappingsPanelOrder0" value="0" />
+    <property name="RequestMappingsPanelOrder1" value="1" />
+    <property name="RequestMappingsPanelWidth0" value="75" />
+    <property name="RequestMappingsPanelWidth1" value="75" />
+    <property name="WebServerToolWindowFactoryState" value="false" />
+    <property name="aspect.path.notification.shown" value="true" />
+    <property name="com.android.tools.idea.instantapp.provision.ProvisionBeforeRunTaskProvider.myTimeStamp" value="1553742598474" />
+    <property name="nodejs_interpreter_path.stuck_in_default_project" value="undefined stuck path" />
+    <property name="nodejs_npm_path_reset_for_default_project" value="true" />
+    <property name="project.structure.last.edited" value="Modules" />
+    <property name="project.structure.proportion" value="0.15" />
+    <property name="project.structure.side.proportion" value="0.2" />
+    <property name="restartRequiresConfirmation" value="false" />
+    <property name="settings.editor.selected.configurable" value="preferences.keymap" />
+  </component>
+  <component name="RecentsManager">
+    <key name="CopyFile.RECENT_KEYS">
+      <recent name="$PROJECT_DIR$/src/main/resources" />
+    </key>
+    <key name="MoveFile.RECENT_KEYS">
+      <recent name="$PROJECT_DIR$/src/main/resources/templates" />
+    </key>
+  </component>
+  <component name="RunDashboard">
+    <option name="ruleStates">
+      <list>
+        <RuleState>
+          <option name="name" value="ConfigurationTypeDashboardGroupingRule" />
+        </RuleState>
+        <RuleState>
+          <option name="name" value="StatusDashboardGroupingRule" />
+        </RuleState>
+      </list>
+    </option>
+  </component>
+  <component name="RunManager">
+    <configuration name="SpringCalApplication" type="SpringBootApplicationConfigurationType" factoryName="Spring Boot">
+      <module name="SimpleFactory" />
+      <option name="SPRING_BOOT_MAIN_CLASS" value="site.ifish.designpattern.SpringCalApplication" />
+      <method v="2">
+        <option name="Make" enabled="true" />
+      </method>
+    </configuration>
+  </component>
+  <component name="SvnConfiguration">
+    <configuration />
+  </component>
+  <component name="TaskManager">
+    <task active="true" id="Default" summary="Default task">
+      <changelist id="0a0c2d00-9816-4d54-81d2-b299c0afec0b" name="Default Changelist" comment="" />
+      <created>1553582782850</created>
+      <option name="number" value="Default" />
+      <option name="presentableId" value="Default" />
+      <updated>1553582782850</updated>
+      <workItem from="1553582785664" duration="3845000" />
+      <workItem from="1553650087843" duration="13135000" />
+      <workItem from="1553734909979" duration="3966000" />
+    </task>
+    <servers />
+  </component>
+  <component name="TimeTrackingManager">
+    <option name="totallyTimeSpent" value="20946000" />
+  </component>
+  <component name="ToolWindowManager">
+    <frame x="0" y="30" width="1920" height="1050" extended-state="7" />
+    <editor active="true" />
+    <layout>
+      <window_info content_ui="combo" id="Project" order="0" sideWeight="0.49856734" visible="true" weight="0.25641027" />
+      <window_info id="Structure" order="1" side_tool="true" weight="0.25" />
+      <window_info id="Designer" order="2" />
+      <window_info id="Image Layers" order="3" />
+      <window_info id="Capture Tool" order="4" />
+      <window_info id="UI Designer" order="5" />
+      <window_info id="Favorites" order="6" side_tool="true" />
+      <window_info id="Web" order="7" sideWeight="0.50143266" side_tool="true" weight="0.25320512" />
+      <window_info anchor="bottom" id="Message" order="0" />
+      <window_info anchor="bottom" id="Find" order="1" />
+      <window_info active="true" anchor="bottom" id="Run" order="2" visible="true" weight="0.2665222" />
+      <window_info anchor="bottom" id="Debug" order="3" weight="0.39979014" />
+      <window_info anchor="bottom" id="Cvs" order="4" weight="0.25" />
+      <window_info anchor="bottom" id="Inspection" order="5" weight="0.4" />
+      <window_info anchor="bottom" id="TODO" order="6" />
+      <window_info anchor="bottom" id="Spring" order="7" />
+      <window_info anchor="bottom" id="Terminal" order="8" />
+      <window_info anchor="bottom" id="Docker" order="9" show_stripe_button="false" />
+      <window_info anchor="bottom" id="Event Log" order="10" side_tool="true" />
+      <window_info anchor="bottom" id="Messages" order="11" />
+      <window_info anchor="bottom" id="Java Enterprise" order="12" />
+      <window_info anchor="bottom" id="Database Changes" order="13" />
+      <window_info anchor="bottom" id="Version Control" order="14" />
+      <window_info anchor="right" id="Commander" internal_type="SLIDING" order="0" type="SLIDING" weight="0.4" />
+      <window_info anchor="right" id="Ant Build" order="1" weight="0.25" />
+      <window_info anchor="right" content_ui="combo" id="Hierarchy" order="2" weight="0.25" />
+      <window_info anchor="right" id="Maven" order="3" weight="0.32959402" />
+      <window_info anchor="right" id="Palette" order="4" />
+      <window_info anchor="right" id="Capture Analysis" order="5" />
+      <window_info anchor="right" id="Database" order="6" weight="0.32959402" />
+      <window_info anchor="right" id="Palette&#9;" order="7" />
+      <window_info anchor="right" id="Theme Preview" order="8" />
+      <window_info anchor="right" id="Bean Validation" order="9" />
+    </layout>
+  </component>
+  <component name="TypeScriptGeneratedFilesManager">
+    <option name="version" value="1" />
+  </component>
+  <component name="XDebuggerManager">
+    <breakpoint-manager>
+      <breakpoints>
+        <line-breakpoint enabled="true" type="java-line">
+          <url>file://$PROJECT_DIR$/src/main/java/site/ifish/designpattern/controller/OperationController.java</url>
+          <line>23</line>
+          <properties />
+          <option name="timeStamp" value="1" />
+        </line-breakpoint>
+      </breakpoints>
+    </breakpoint-manager>
+  </component>
+  <component name="antWorkspaceConfiguration">
+    <option name="IS_AUTOSCROLL_TO_SOURCE" value="false" />
+    <option name="FILTER_TARGETS" value="false" />
+  </component>
+  <component name="editorHistoryManager">
+    <entry file="file://$PROJECT_DIR$/src/main/java/App.java" />
+    <entry file="file://$MAVEN_REPOSITORY$/org/springframework/boot/spring-boot-starter-thymeleaf/2.1.3.RELEASE/spring-boot-starter-thymeleaf-2.1.3.RELEASE.pom">
+      <provider selected="true" editor-type-id="text-editor">
+        <state relative-caret-position="472">
+          <caret line="54" column="16" selection-start-line="54" selection-start-column="16" selection-end-line="54" selection-end-column="16" />
+        </state>
+      </provider>
+    </entry>
+    <entry file="jar://$MAVEN_REPOSITORY$/org/springframework/boot/spring-boot-autoconfigure/2.1.3.RELEASE/spring-boot-autoconfigure-2.1.3.RELEASE.jar!/org/springframework/boot/autoconfigure/orm/jpa/HibernateJpaConfiguration.class">
+      <provider selected="true" editor-type-id="text-editor">
+        <state relative-caret-position="-486">
+          <caret line="41" column="19" lean-forward="true" selection-start-line="41" selection-start-column="19" selection-end-line="41" selection-end-column="19" />
+        </state>
+      </provider>
+    </entry>
+    <entry file="file://$PROJECT_DIR$/pom.xml">
+      <provider editor-type-id="MavenHelperPluginDependencyAnalyzer" />
+      <provider selected="true" editor-type-id="text-editor">
+        <state relative-caret-position="270">
+          <caret line="10" column="16" lean-forward="true" selection-start-line="10" selection-start-column="16" selection-end-line="10" selection-end-column="16" />
+        </state>
+      </provider>
+    </entry>
+    <entry file="file://$PROJECT_DIR$/src/main/resources/application.properties">
+      <provider selected="true" editor-type-id="text-editor" />
+    </entry>
+    <entry file="jar:///mnt/OnlyDisk/Android/jdk1.8.0_112/jre/lib/rt.jar!/com/sun/org/omg/CORBA/OperationMode.class">
+      <provider selected="true" editor-type-id="text-editor">
+        <state relative-caret-position="162">
+          <caret line="10" column="13" selection-start-line="10" selection-start-column="13" selection-end-line="10" selection-end-column="13" />
+        </state>
+      </provider>
+    </entry>
+    <entry file="file://$PROJECT_DIR$/src/main/java/site/ifish/designpattern/SpringCalApplication.java">
+      <provider selected="true" editor-type-id="text-editor">
+        <state relative-caret-position="351">
+          <caret line="14" column="42" lean-forward="true" selection-start-line="14" selection-start-column="42" selection-end-line="14" selection-end-column="42" />
+          <folding>
+            <element signature="imports" expanded="true" />
+          </folding>
+        </state>
+      </provider>
+    </entry>
+    <entry file="file://$PROJECT_DIR$/src/main/resources/templates/operation.html">
+      <provider selected="true" editor-type-id="text-editor">
+        <state relative-caret-position="383">
+          <caret line="35" column="39" selection-start-line="35" selection-start-column="39" selection-end-line="35" selection-end-column="39" />
+          <folding>
+            <element signature="n#style#0;n#div#0;n#form#0;n#center#0;n#body#0;n#html#0;n#!!top" expanded="true" />
+            <element signature="n#style#0;n#select#0;n#div#1;n#form#0;n#center#0;n#body#0;n#html#0;n#!!top" expanded="true" />
+            <element signature="n#style#0;n#div#2;n#form#0;n#center#0;n#body#0;n#html#0;n#!!top" expanded="true" />
+          </folding>
+        </state>
+      </provider>
+    </entry>
+    <entry file="file://$PROJECT_DIR$/target/classes/site/ifish/designpattern/OperationFactory.class">
+      <provider selected="true" editor-type-id="text-editor">
+        <state relative-caret-position="317">
+          <caret line="54" column="17" selection-start-line="54" selection-start-column="17" selection-end-line="54" selection-end-column="17" />
+          <folding>
+            <element signature="e#0#1482#0" expanded="true" />
+          </folding>
+        </state>
+      </provider>
+    </entry>
+    <entry file="file://$PROJECT_DIR$/target/classes/site/ifish/designpattern/controller/OperationController.class">
+      <provider selected="true" editor-type-id="text-editor">
+        <state relative-caret-position="351">
+          <caret line="39" column="4" selection-start-line="39" selection-start-column="4" selection-end-line="39" selection-end-column="4" />
+          <folding>
+            <element signature="e#0#1575#0" expanded="true" />
+          </folding>
+        </state>
+      </provider>
+    </entry>
+    <entry file="file://$PROJECT_DIR$/src/main/java/site/ifish/designpattern/model/OperationMul.java">
+      <provider selected="true" editor-type-id="text-editor">
+        <state relative-caret-position="54">
+          <caret line="2" column="13" selection-start-line="2" selection-start-column="13" selection-end-line="2" selection-end-column="13" />
+          <folding>
+            <element signature="e#153#154#0" expanded="true" />
+            <element signature="e#187#188#0" expanded="true" />
+          </folding>
+        </state>
+      </provider>
+    </entry>
+    <entry file="file://$PROJECT_DIR$/src/main/java/site/ifish/designpattern/OperationFactory.java">
+      <provider selected="true" editor-type-id="text-editor">
+        <state relative-caret-position="162">
+          <caret line="6" column="29" selection-start-line="6" selection-start-column="29" selection-end-line="6" selection-end-column="29" />
+        </state>
+      </provider>
+    </entry>
+    <entry file="file://$PROJECT_DIR$/target/classes/templates/operation.html">
+      <provider selected="true" editor-type-id="text-editor" />
+    </entry>
+    <entry file="file://$PROJECT_DIR$/target/classes/templates/result.html">
+      <provider selected="true" editor-type-id="text-editor">
+        <state relative-caret-position="243">
+          <caret line="9" column="54" selection-start-line="9" selection-start-column="54" selection-end-line="9" selection-end-column="54" />
+        </state>
+      </provider>
+    </entry>
+    <entry file="file://$PROJECT_DIR$/src/main/java/site/ifish/designpattern/model/ResultModel.java">
+      <provider selected="true" editor-type-id="text-editor">
+        <state relative-caret-position="216">
+          <caret line="8" column="4" selection-start-line="8" selection-start-column="4" selection-end-line="8" selection-end-column="4" />
+          <folding>
+            <element signature="e#145#146#0" expanded="true" />
+            <element signature="e#209#210#0" expanded="true" />
+            <element signature="e#238#239#0" expanded="true" />
+          </folding>
+        </state>
+      </provider>
+    </entry>
+    <entry file="file://$PROJECT_DIR$/src/main/resources/templates/result.html">
+      <provider selected="true" editor-type-id="text-editor">
+        <state relative-caret-position="243">
+          <caret line="9" column="42" selection-start-line="9" selection-start-column="42" selection-end-line="9" selection-end-column="42" />
+        </state>
+      </provider>
+    </entry>
+    <entry file="file://$PROJECT_DIR$/src/main/java/site/ifish/designpattern/controller/OperationController.java">
+      <provider selected="true" editor-type-id="text-editor">
+        <state relative-caret-position="221">
+          <caret line="21" column="8" selection-start-line="21" selection-start-column="8" selection-end-line="21" selection-end-column="8" />
+          <folding>
+            <element signature="imports" expanded="true" />
+          </folding>
+        </state>
+      </provider>
+    </entry>
+    <entry file="file://$PROJECT_DIR$/src/main/java/site/ifish/designpattern/model/OperationAdd.java">
+      <provider selected="true" editor-type-id="text-editor">
+        <state relative-caret-position="54">
+          <caret line="2" column="40" lean-forward="true" selection-start-line="2" selection-start-column="40" selection-end-line="2" selection-end-column="40" />
+          <folding>
+            <element signature="e#154#155#0" expanded="true" />
+            <element signature="e#188#189#0" expanded="true" />
+          </folding>
+        </state>
+      </provider>
+    </entry>
+    <entry file="file://$PROJECT_DIR$/src/main/java/site/ifish/designpattern/model/OperationSub.java">
+      <provider selected="true" editor-type-id="text-editor">
+        <state relative-caret-position="54">
+          <caret line="2" column="39" selection-start-line="2" selection-start-column="39" selection-end-line="2" selection-end-column="39" />
+        </state>
+      </provider>
+    </entry>
+    <entry file="file://$PROJECT_DIR$/src/main/java/site/ifish/designpattern/model/OperationDiv.java">
+      <provider selected="true" editor-type-id="text-editor">
+        <state relative-caret-position="108">
+          <caret line="4" column="67" selection-start-line="4" selection-start-column="67" selection-end-line="4" selection-end-column="67" />
+        </state>
+      </provider>
+    </entry>
+    <entry file="file://$PROJECT_DIR$/src/main/java/site/ifish/designpattern/model/OperaModel.java">
+      <provider selected="true" editor-type-id="text-editor">
+        <state relative-caret-position="243">
+          <caret line="9" column="8" selection-start-line="9" selection-start-column="8" selection-end-line="9" selection-end-column="8" />
+          <folding>
+            <element signature="e#695#696#0" expanded="true" />
+            <element signature="e#788#789#0" expanded="true" />
+          </folding>
+        </state>
+      </provider>
+    </entry>
+  </component>
+  <component name="masterDetails">
+    <states>
+      <state key="ArtifactsStructureConfigurable.UI">
+        <settings>
+          <artifact-editor />
+          <splitter-proportions>
+            <option name="proportions">
+              <list>
+                <option value="0.2" />
+              </list>
+            </option>
+          </splitter-proportions>
+        </settings>
+      </state>
+      <state key="FacetStructureConfigurable.UI">
+        <settings>
+          <last-edited>Spring</last-edited>
+          <splitter-proportions>
+            <option name="proportions">
+              <list>
+                <option value="0.2" />
+              </list>
+            </option>
+          </splitter-proportions>
+        </settings>
+      </state>
+      <state key="GlobalLibrariesConfigurable.UI">
+        <settings>
+          <splitter-proportions>
+            <option name="proportions">
+              <list>
+                <option value="0.2" />
+              </list>
+            </option>
+          </splitter-proportions>
+        </settings>
+      </state>
+      <state key="JdkListConfigurable.UI">
+        <settings>
+          <last-edited>1.8</last-edited>
+          <splitter-proportions>
+            <option name="proportions">
+              <list>
+                <option value="0.2" />
+              </list>
+            </option>
+          </splitter-proportions>
+        </settings>
+      </state>
+      <state key="ModuleStructureConfigurable.UI">
+        <settings>
+          <last-edited>SimpleFactory</last-edited>
+          <splitter-proportions>
+            <option name="proportions">
+              <list>
+                <option value="0.2" />
+                <option value="0.6" />
+              </list>
+            </option>
+          </splitter-proportions>
+        </settings>
+      </state>
+      <state key="ProjectJDKs.UI">
+        <settings>
+          <last-edited>1.8</last-edited>
+          <splitter-proportions>
+            <option name="proportions">
+              <list>
+                <option value="0.2" />
+              </list>
+            </option>
+          </splitter-proportions>
+        </settings>
+      </state>
+      <state key="ProjectLibrariesConfigurable.UI">
+        <settings>
+          <last-edited>Maven: antlr:antlr:2.7.7</last-edited>
+          <splitter-proportions>
+            <option name="proportions">
+              <list>
+                <option value="0.2" />
+              </list>
+            </option>
+          </splitter-proportions>
+        </settings>
+      </state>
+    </states>
+  </component>
+</project>
\ No newline at end of file
diff --git a/SimpleFactory/SimpleFactory.iml b/SimpleFactory/SimpleFactory.iml
new file mode 100644
index 0000000..78b2cc5
--- /dev/null
+++ b/SimpleFactory/SimpleFactory.iml
@@ -0,0 +1,2 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<module type="JAVA_MODULE" version="4" />
\ No newline at end of file
diff --git a/SimpleFactory/pom.xml b/SimpleFactory/pom.xml
new file mode 100644
index 0000000..3f57191
--- /dev/null
+++ b/SimpleFactory/pom.xml
@@ -0,0 +1,51 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<project xmlns="http://maven.apache.org/POM/4.0.0"
+         xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
+         xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
+    <modelVersion>4.0.0</modelVersion>
+
+    <groupId>site.ifish.designpattern</groupId>
+    <artifactId>simplefactory</artifactId>
+    <version>1.0-SNAPSHOT</version>
+
+    <properties>
+        <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
+        <project.reporting.outputEncoding>UTF-8</project.reporting.outputEncoding>
+        <java.version>1.8</java.version>
+    </properties>
+
+    <parent>
+        <groupId>org.springframework.boot</groupId>
+        <artifactId>spring-boot-starter-parent</artifactId>
+        <version>2.1.3.RELEASE</version>
+        <relativePath/>
+    </parent>
+
+    <dependencies>
+        <dependency>
+            <groupId>org.springframework.boot</groupId>
+            <artifactId>spring-boot-starter-data-jpa</artifactId>
+        </dependency>
+        <dependency>
+            <groupId>org.projectlombok</groupId>
+            <artifactId>lombok</artifactId>
+        </dependency>
+        <dependency>
+            <groupId>org.springframework.boot</groupId>
+            <artifactId>spring-boot-starter-web</artifactId>
+        </dependency>
+        <dependency>
+            <groupId>org.springframework.boot</groupId>
+            <artifactId>spring-boot-starter-thymeleaf</artifactId>
+        </dependency>
+    </dependencies>
+
+    <build>
+        <plugins>
+            <plugin>
+                <groupId>org.springframework.boot</groupId>
+                <artifactId>spring-boot-maven-plugin</artifactId>
+            </plugin>
+        </plugins>
+    </build>
+</project>
\ No newline at end of file
diff --git a/SimpleFactory/src/main/java/site/ifish/designpattern/OperationFactory.java b/SimpleFactory/src/main/java/site/ifish/designpattern/OperationFactory.java
new file mode 100644
index 0000000..18695ab
--- /dev/null
+++ b/SimpleFactory/src/main/java/site/ifish/designpattern/OperationFactory.java
@@ -0,0 +1,27 @@
+package site.ifish.designpattern;
+
+import site.ifish.designpattern.model.*;
+
+public class OperationFactory {
+
+    public static OperaModel createOperation(final String opFlag) {
+        OperaModel oper = null;
+        switch (opFlag) {
+            case "+":
+                oper = new OperationAdd();
+                break;
+            case "-":
+                oper = new OperationSub();
+                break;
+            case "*":
+                oper = new OperationMul();
+                break;
+            case "/":
+                oper = new OperationDiv();
+                break;
+            default:
+                break;
+        }
+        return oper;
+    }
+}
diff --git a/SimpleFactory/src/main/java/site/ifish/designpattern/SpringCalApplication.java b/SimpleFactory/src/main/java/site/ifish/designpattern/SpringCalApplication.java
new file mode 100644
index 0000000..73000fa
--- /dev/null
+++ b/SimpleFactory/src/main/java/site/ifish/designpattern/SpringCalApplication.java
@@ -0,0 +1,24 @@
+package site.ifish.designpattern;
+
+
+import lombok.extern.slf4j.Slf4j;
+import org.springframework.boot.ApplicationArguments;
+import org.springframework.boot.ApplicationRunner;
+import org.springframework.boot.SpringApplication;
+import org.springframework.boot.autoconfigure.SpringBootApplication;
+import org.springframework.boot.autoconfigure.jdbc.DataSourceAutoConfiguration;
+
+@Slf4j
+@SpringBootApplication(exclude = DataSourceAutoConfiguration.class)
+public class SpringCalApplication implements ApplicationRunner {
+
+    public static void main(String[] args) {
+        SpringApplication.run(SpringCalApplication.class, args);
+    }
+
+    @Override
+    public void run(ApplicationArguments args) throws Exception {
+        log.info("Start to run simple factory demo calculator");
+
+    }
+}
diff --git a/SimpleFactory/src/main/java/site/ifish/designpattern/controller/OperationController.java b/SimpleFactory/src/main/java/site/ifish/designpattern/controller/OperationController.java
new file mode 100644
index 0000000..14980f9
--- /dev/null
+++ b/SimpleFactory/src/main/java/site/ifish/designpattern/controller/OperationController.java
@@ -0,0 +1,40 @@
+package site.ifish.designpattern.controller;
+
+import lombok.extern.slf4j.Slf4j;
+import org.springframework.stereotype.Controller;
+import org.springframework.ui.Model;
+import org.springframework.web.bind.annotation.GetMapping;
+import org.springframework.web.bind.annotation.ModelAttribute;
+import org.springframework.web.bind.annotation.PostMapping;
+import site.ifish.designpattern.OperationFactory;
+import site.ifish.designpattern.model.OperaModel;
+import site.ifish.designpattern.model.ResultModel;
+
+@Slf4j
+@Controller
+public class OperationController {
+
+    @PostMapping("/operation")
+    public String calResult(@ModelAttribute OperaModel operaModel, Model model) {
+        log.info("operaModel = " + operaModel.toString());
+        String opFlag = operaModel.getOpFlag();
+        OperaModel opModel = OperationFactory.createOperation(opFlag);
+        ResultModel resultModel = new ResultModel();
+        try {
+            float result = opModel.getResult(operaModel.getNum1(), operaModel.getNum2());
+            resultModel.setResult(result);
+        } catch (Exception e) {
+            e.printStackTrace();
+        }
+        model.addAttribute("ResultModel", resultModel);
+        return "result";
+    }
+
+    @GetMapping("/operation")
+    public String calGet(Model model) {
+        log.info("===>>>>calGet....");
+        model.addAttribute("OperaModel", new OperaModel());
+        return "operation";
+    }
+
+}
diff --git a/SimpleFactory/src/main/java/site/ifish/designpattern/model/OperaModel.java b/SimpleFactory/src/main/java/site/ifish/designpattern/model/OperaModel.java
new file mode 100644
index 0000000..a45f11b
--- /dev/null
+++ b/SimpleFactory/src/main/java/site/ifish/designpattern/model/OperaModel.java
@@ -0,0 +1,43 @@
+package site.ifish.designpattern.model;
+
+public class OperaModel {
+    private float num1;
+    private float num2;
+    private String opFlag;
+
+    /**
+     * 需要重写
+     * */
+    public float getResult(float num1, float num2) throws Exception {
+        return 0.0f;
+    }
+
+    public float getNum1() {
+        return num1;
+    }
+
+    public void setNum1(float num1) {
+        this.num1 = num1;
+    }
+
+    public float getNum2() {
+        return num2;
+    }
+
+    public void setNum2(float num2) {
+        this.num2 = num2;
+    }
+
+    public String getOpFlag() {
+        return opFlag;
+    }
+
+    public void setOpFlag(String opFlag) {
+        this.opFlag = opFlag;
+    }
+
+    @Override
+    public String toString() {
+        return "num1 = " + num1 + "; num2 = " + num2 + "; opFlag = " + opFlag;
+    }
+}
diff --git a/SimpleFactory/src/main/java/site/ifish/designpattern/model/OperationAdd.java b/SimpleFactory/src/main/java/site/ifish/designpattern/model/OperationAdd.java
new file mode 100644
index 0000000..4eb389f
--- /dev/null
+++ b/SimpleFactory/src/main/java/site/ifish/designpattern/model/OperationAdd.java
@@ -0,0 +1,9 @@
+package site.ifish.designpattern.model;
+
+public class OperationAdd extends OperaModel {
+
+    @Override
+    public float getResult(float num1, float num2) {
+        return num1 + num2;
+    }
+}
diff --git a/SimpleFactory/src/main/java/site/ifish/designpattern/model/OperationDiv.java b/SimpleFactory/src/main/java/site/ifish/designpattern/model/OperationDiv.java
new file mode 100644
index 0000000..e4cbbc2
--- /dev/null
+++ b/SimpleFactory/src/main/java/site/ifish/designpattern/model/OperationDiv.java
@@ -0,0 +1,11 @@
+package site.ifish.designpattern.model;
+
+public class OperationDiv extends OperaModel {
+    @Override
+    public float getResult(float num1, float num2) throws Exception{
+        if(num2 == 0) {
+            throw new Exception("除数不能为0");
+        }
+        return num1 / num2;
+    }
+}
diff --git a/SimpleFactory/src/main/java/site/ifish/designpattern/model/OperationMul.java b/SimpleFactory/src/main/java/site/ifish/designpattern/model/OperationMul.java
new file mode 100644
index 0000000..c3d5c46
--- /dev/null
+++ b/SimpleFactory/src/main/java/site/ifish/designpattern/model/OperationMul.java
@@ -0,0 +1,8 @@
+package site.ifish.designpattern.model;
+
+public class OperationMul extends OperaModel {
+    @Override
+    public float getResult(float num1, float num2) {
+        return num1 * num2;
+    }
+}
diff --git a/SimpleFactory/src/main/java/site/ifish/designpattern/model/OperationSub.java b/SimpleFactory/src/main/java/site/ifish/designpattern/model/OperationSub.java
new file mode 100644
index 0000000..9a1789b
--- /dev/null
+++ b/SimpleFactory/src/main/java/site/ifish/designpattern/model/OperationSub.java
@@ -0,0 +1,9 @@
+package site.ifish.designpattern.model;
+
+public class OperationSub extends OperaModel {
+
+    @Override
+    public float getResult(float num1, float num2) {
+        return num1 - num2;
+    }
+}
diff --git a/SimpleFactory/src/main/java/site/ifish/designpattern/model/ResultModel.java b/SimpleFactory/src/main/java/site/ifish/designpattern/model/ResultModel.java
new file mode 100644
index 0000000..6114390
--- /dev/null
+++ b/SimpleFactory/src/main/java/site/ifish/designpattern/model/ResultModel.java
@@ -0,0 +1,14 @@
+package site.ifish.designpattern.model;
+
+public class ResultModel {
+
+    private float result = 0f;
+
+    public void setResult(float result) {
+        this.result = result;
+    }
+
+    public float getResult() {
+        return result;
+    }
+}
diff --git a/SimpleFactory/src/main/resources/application.properties b/SimpleFactory/src/main/resources/application.properties
new file mode 100644
index 0000000..e69de29
diff --git a/SimpleFactory/src/main/resources/templates/operation.html b/SimpleFactory/src/main/resources/templates/operation.html
new file mode 100644
index 0000000..6231723
--- /dev/null
+++ b/SimpleFactory/src/main/resources/templates/operation.html
@@ -0,0 +1,60 @@
+<!DOCTYPE HTML>
+<html xmlns:th="http://www.thymeleaf.org">
+<head>
+    <title>计算器--简单工厂模式</title>
+    <meta http-equiv="Content-Type" content="text/html; charset=UTF-8" />
+    <link href="https://cdn.bootcss.com/bootstrap/3.3.7/css/bootstrap.min.css" rel="stylesheet">
+    <style>
+        mark {
+            background-color:#FF0000; font-weight:bold;
+        }
+    </style>
+</head>
+<body>
+<center>
+
+    <br><br>
+    <h2 style="color:red">简易计算器</h2>
+    <br><br>
+
+    <form class="form-horizontal" role="form" action="#" th:action="@{/operation}" th:object="${OperaModel}" method="post">
+
+        <div class="form-group" style="width:500px">
+            <label class="col-sm-4 control-label">第一个数:</label>
+            <div class="col-sm-8">
+                <input type="text"  th:field="*{num1}" class="form-control" id="num1" placeholder="Enter a First Number">
+            </div>
+        </div>
+        
+        <div class="flag-operation" style="width:500px">
+          <label class="col-sm-4 control-label">运算符号:</label>
+          <select name="flag" style="width:100px;height:30px; margin:10px; font-size:20px"
+                th:field="*{opFlag}">
+            <option value="+">+</option>
+            <option value="-">-</option>
+            <option value="*">*</option>
+            <option value="/">/</option>
+          </select>
+        </div>
+        
+        <div class="form-group" style="width:500px">
+            <label class="col-sm-4 control-label">第二个数:</label>
+            <div class="col-sm-8">
+                <input type="text"  th:field="*{num2}" class="form-control" id="num2" placeholder="Enter a Second Number">
+            </div>
+        </div>
+
+        <div class="form-group">
+            <div>
+                <button type="submit" class="btn btn-primary" id="btn">Show Answer</button>
+                <input type="reset" class="btn btn-warning" value="Reset" />
+            </div>
+        </div>
+    </form>
+
+    <!--<p th:utext="${answer}"></p>-->
+
+</center>
+
+</body>
+</html>
diff --git a/SimpleFactory/src/main/resources/templates/result.html b/SimpleFactory/src/main/resources/templates/result.html
new file mode 100644
index 0000000..a0a2e93
--- /dev/null
+++ b/SimpleFactory/src/main/resources/templates/result.html
@@ -0,0 +1,14 @@
+<!DOCTYPE HTML>
+<html xmlns:th="http://www.thymeleaf.org">
+<head>
+    <title>Getting Started: Handling Form Submission</title>
+    <meta http-equiv="Content-Type" content="text/html; charset=UTF-8" />
+</head>
+<body>
+<h1>Result</h1>
+<div>
+    <p th:text="'content: ' + ${ResultModel.result}" />
+</div>
+<a href="/operation">Submit another message</a>
+</body>
+</html>
\ No newline at end of file