1、问题背景
利用ECharts制作一个多柱子柱状图，其中数据源模拟动态获取
2、实现源码
<!DOCTYPE html>
<html>
<head>
<meta charset="UTF-8">
<title>echarts-多柱子柱状图</title>
<link rel="shortcut icon" href="../js/echarts-2.2.7/doc/asset/ico/favicon.png">
<script type="text/javascript" src="../js/echarts-2.2.7/doc/asset/js/jquery.min.js" ></script>
<script type="text/javascript" src="../js/echarts-2.2.7/doc/example/www2/js/echarts-all.js" ></script>
<style>
body,html{
99%;
height: 99%;
font-family: "arial, helvetica, sans-serif";
font-size: x-large;
font-kerning: inherit;
font-stretch: expanded;
}
#manyColumn{
100%;
height: 100%;
font-size: 14px;
font-family: "微软雅黑";
backface-visibility: visible;
background-blend-mode: inherit;
background-origin: border-box;
background: content-box;
background-color: #5BC0DE;
}
</style>
<script>
$(function(){
buildData();
});
//生成数据
function buildData()
{
var columLabel = ['甲','乙','丙','丁','戊','己','庚','辛','壬','癸'];
var columName = ['周一','周二','周三','周四','周五','周六','周日'];
var columnValue = new Array();
var arrData = new Array();
for(var i=0;i<columLabel.length;i++)
{
for(var j=0;j<columName.length;j++)
{
arrData.push(Math.floor(Math.random()*1000+1000*j-1000*i));
}
console.info(arrData);
columnValue.push(eval('(' + ("{'name':'"+columLabel[i]+"','type':'bar','data':["+arrData+"]}") + ')'));
}
buildChart(columLabel,columName,columnValue);
}
//生成图形
function buildChart(columLabel,columName,columnValue)
{
var chart = document.getElementById('manyColumn');
var echart = echarts.init(chart);
var option = {
tooltip : {
trigger: 'axis',
axisPointer : {
type : 'shadow'
}
},
toolbox: {
show : true,
feature : {
saveAsImage : {show: true}
}
},
legend: {
data:columLabel
},
grid: {
left: '3%',
right: '4%',
bottom: '3%',
containLabel: true
},
xAxis : [
{
min:0,
type : 'category',
data : columName
}
],
yAxis : [
{
min:0,
type : 'value'
}
],
series : columnValue
};
echart.setOption(option);
}
</script>
</head>
<body>
<div id="manyColumn"></div>
</body>
</html>
3、实现结果
