添加数据库多环境，添加mysql阿里云数据库配置

.gitignore

@@ -1,6 +1,8 @@
 HELP.md
 target/
 
+/src/main/resources/application-pro.yml
+
 !.mvn/wrapper/maven-wrapper.jar
 !**/src/main/**/target/
 !**/src/test/**/target/
@@ -31,5 +33,4 @@ build/
 !**/src/test/**/build/
 
 ### VS Code ###
-.vscode/
-
+.vscode/

README.md

@@ -122,3 +122,4 @@ java -jar .\book-1.0.0.RELEASE.jar --server.port=8081
 ```cmd
 java -jar .\book-1.0.0.RELEASE.jar --server.port=8081 --spring.cache.type=none
 ```
+

src/main/resources/application-dev.yml

@@ -0,0 +1,20 @@
+spring:
+  config:
+    activate:
+      on-profile: dev
+  # mysql
+  datasource:
+    driver-class-name: com.mysql.cj.jdbc.Driver
+    url: jdbc:mysql://localhost:3306/java_design?serverTimezone=Asia/Shanghai&rewriteBatchedStatements=true
+    username: root
+    password: 123456
+    type: com.alibaba.druid.pool.DruidDataSource
+
+  # redis
+  data:
+    redis:
+      host: localhost
+      password: 123456
+      port: 6379
+      database: 0
+      timeout: 5000ms

src/main/resources/application.yml

@@ -8,22 +8,8 @@ mybatis-plus:
   mapper-locations: classpath:mapper/*.xml
 
 spring:
-  # mysql
-  datasource:
-    driver-class-name: com.mysql.cj.jdbc.Driver
-    url: jdbc:mysql://localhost:3306/java_design?serverTimezone=Asia/Shanghai
-    username: root
-    password: 123456
-    type: com.alibaba.druid.pool.DruidDataSource
-
-  # redis
-  data:
-    redis:
-      host: localhost
-      password: 123456
-      port: 6379
-      database: 0
-      timeout: 5000ms
+  profiles:
+    active: dev # 可切换为pro,需要修改pro.yml文件相关配置
   cache:
     type: redis  # 不使用改为none
     redis: