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wywzxxz
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Nov 30, 2019
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Original file line number | Diff line number | Diff line change |
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(function(){ | ||
var arg=[] | ||
var target="#customms" | ||
function arg_load() | ||
{ | ||
try{ | ||
t=localStorage.getItem(target) | ||
if (t) | ||
arg=JSON.parse(""+t) | ||
}catch(e){} | ||
//标准化 | ||
arg.sort(function(a,b){function p(x){if (isNaN(x) || x==null) return 1E100;return x;};return p(a.x)-p(b.x)}); | ||
while (arg.length>=2 && (isNaN(arg[arg.length-2].x) || arg[arg.length-2].x==null) ) arg.pop() | ||
if (arg.length==0 || !(isNaN(arg[arg.length-1].x) || arg[arg.length-1].x==null)) | ||
arg.push({x:NaN,y:NaN}) | ||
//创建html面板 | ||
var table=document.querySelector(target+" table") | ||
var trs=table.querySelectorAll("tr:not(:first-child)") ||[] | ||
for(var i=trs.length;i<arg.length;++i) | ||
{ | ||
var tr=document.createElement("tr");table.append(tr); | ||
|
||
var td=document.createElement("td");tr.append(td); | ||
var input=document.createElement("input");td.append(input); | ||
input.onchange=function(){arg_save();r6drawchart()}; | ||
|
||
var td=document.createElement("td");tr.append(td); | ||
var input=document.createElement("input");td.append(input); | ||
input.onchange=function(){arg_save();r6drawchart()}; | ||
} | ||
var trs=table.querySelectorAll("tr:not(:first-child)") ||[] | ||
for(var i=arg.length;i<trs.length;++i) | ||
table.removeChild(trs[i]) | ||
//同步数据 | ||
var trs=table.querySelectorAll("tr:not(:first-child)") | ||
for(var i=0;i<arg.length;++i) | ||
{ | ||
trs[i].querySelectorAll("input")[0].value=arg[i].x; | ||
trs[i].querySelectorAll("input")[1].value=arg[i].y; | ||
} | ||
} | ||
function arg_save() | ||
{ | ||
var table=document.querySelector(target+" table") | ||
var trs=table.querySelectorAll("tr:not(:first-child)") | ||
for(var i=0;i<arg.length;++i) | ||
{ | ||
arg[i].x=parseFloat(trs[i].querySelectorAll("input")[0].value); | ||
arg[i].y=parseFloat(trs[i].querySelectorAll("input")[1].value); | ||
} | ||
localStorage.setItem(target,JSON.stringify(arg)) | ||
} | ||
//绘制图表 | ||
r6drawchart.datas.push(function(){ | ||
var travel=parseFloat(document.querySelector('#travel').value) | ||
arg_load() | ||
function infinitY(data){ | ||
var x1,x2,y1,y2 | ||
x1=data[data.length-3].x | ||
y1=data[data.length-3].y | ||
x2=data[data.length-2].x | ||
y2=data[data.length-2].y | ||
var that=data[data.length-1] | ||
that.x=100 | ||
that.y=y1+(y2-y1)/(x2-x1)*(that.x-x1) | ||
} | ||
var data=JSON.parse(JSON.stringify(arg)); | ||
while (data.length>0 && ( isNaN(data[data.length-1].x) || data[data.length-1].x==null)) data.pop() | ||
var table=document.querySelector(target+" table") | ||
var trs=table.querySelectorAll("tr:not(:first-child)") | ||
for (var i=0;i<data.length;++i) | ||
(function(i){ | ||
data[i].label=data[i].x; | ||
data[i].set=function(newy){trs[i].querySelectorAll("input")[1].value=data[i].y=newy;arg_save()} | ||
})(i) | ||
if(data.length>=2) data.push({update:infinitY.bind(null,data),label:"∞"}) | ||
data.forEach(function(e){ | ||
e.update=e.update || function(){};e.set=e.set || function(){} | ||
e.update() | ||
}) | ||
return {label: "自定义曲线",data: data,showLine: true,borderWidth:5,borderColor: "lightgrey"} | ||
}) | ||
})(); |