背景

<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html xmlns="http://www.w3.org/1999/xhtml">
<head>
<meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
<!--<meta name="viewport" content="width = device-width,initial-scale=1,maximum-scale=1"/>-->
<title>鼠标的距离</title>
<script type="text/javascript" src="jquery-3.3.1.min.js"></script>
<script type="text/javascript" src="echarts.min.js"></script>

</head>
<style type="text/css">



</style>
<body>
<div id="main" style=" 600px; height: 400px;">

</div>
</body>
<script type="text/javascript">
var myChart = echarts.init(document.getElementById('main'));


var colorList = [];
option = {
calculable : true,
tooltip : {
trigger: 'axis'
},
xAxis : [
{
type : 'value',

axisLabel:{formatter:'{value} 分'}

},
//辅助x轴

],
yAxis : [
{
type : 'category',
data : ['s1','s2','s3','s4','s5']
},
{
type : 'category',
axisLine: {show:false},
axisTick: {show:false},
axisLabel: {show:false},
splitArea: {show:false},
splitLine: {show:false},
data : ['s1','s2','s3','s4','s5']
}
],
series : [
{
name:'成绩',
type:'bar',
itemStyle: {
normal: {
color: function(params) {
return colorList[params.dataIndex]
}
}
},
data:[70,80,50,90,100]
},
//背景
{
name:'成绩',
type:'bar',
yAxisIndex:1,
//颜色需要有透明度
itemStyle: {normal: {color:'rgba(102, 102, 102,0.5)'}},
//data填你需要的背景的值
data:[100,100,100,100,100]
},
]
};
for(var i in option.series[0].data){
colorList[i]=option.series[0].data[i]>70 ? '#F08080' : '#7EC0EE';
};
myChart.setOption(option);
</script>
</html>
原文地址:https://www.cnblogs.com/junmoli/p/8697939.html