jQuery插件echarts设置折线图中折线线条颜⾊和折线点
颜⾊的⽅法
本⽂实例讲述了jQuery插件echarts设置折线图中折线线条颜⾊和折线点颜⾊的⽅法。分享给⼤家供⼤家参考，具体如下：1、问题背景
设计⼀条折线图，但是图形中不⽤插件⾃带的颜⾊，需要⾃定义线条和折点的颜⾊
2、实现源码
（1）图形⾃分配颜⾊
<!DOCTYPE html>
<html>
<head>
<meta charset="UTF-8">
<title>echarts-设置折线图中折线线条颜⾊和折线点颜⾊</title>
<link rel="shortcut icon" href="../js/echarts-2.2.7/doc/asset/ico/favicon.png" rel="external nofollow" rel="external nofollow" rel="external nofollow" >    <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{
width: 99%;
height: 99%;
font-family: "微软雅⿊";
font-size: 12px;
jquery插件分享}
#line{
width: 100%;
height: 100%;
}
</style>
<script>
$(function(){
var chart = ElementById('line');
var echart = echarts.init(chart);
var option = {
title: {
text: ''
},
tooltip: {
trigger: 'axis'
},
legend: {
data:['销售量']
},
grid: {
left: '3%',
right: '4%',
bottom: '3%',
containLabel: true
},
toolbox: {
feature: {
saveAsImage: {}
}
},
xAxis: {
type: 'category',
boundaryGap: false,
data: ['周⼀','周⼆','周三','周四','周五','周六','周⽇']
},
yAxis: {
type: 'value'
},
series: [
{
}
]
};
echart.setOption(option);
});
</script>
</head>
<body>
<div id="line"></div>
</body>
</html>
（2）线条⾃定义颜⾊
<!DOCTYPE html>
<html>
<head>
<meta charset="UTF-8">
<title>echarts-设置折线图中折线线条颜⾊和折线点颜⾊</title>
<link rel="shortcut icon" href="../js/echarts-2.2.7/doc/asset/ico/favicon.png" rel="external nofollow" rel="external nofollow" rel="external nofollow" >    <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{
width: 99%;
height: 99%;
font-family: "微软雅⿊";
font-size: 12px;
}
#line{
width: 100%;
height: 100%;
}
</style>
<script>
$(function(){
var chart = ElementById('line');
var echart = echarts.init(chart);
var option = {
title: {
text: ''
},
tooltip: {
trigger: 'axis'
},
legend: {
data:['销售量']
},
grid: {
left: '3%',
right: '4%',
bottom: '3%',
containLabel: true
},
toolbox: {
feature: {
saveAsImage: {}
}
},
xAxis: {
type: 'category',
boundaryGap: false,
data: ['周⼀','周⼆','周三','周四','周五','周六','周⽇']
},
yAxis: {
type: 'value'
},
series: [
{
name:'销售量',
type:'line',
color:'#00FF00'
}
}
},
data:[220, 132, 601, 314, 890, 230, 510]
}
]
};
echart.setOption(option);
});
</script>
</head>
<body>
<div id="line"></div>
</body>
</html>
（3）折点⾃定义颜⾊
<!DOCTYPE html>
<html>
<head>
<meta charset="UTF-8">
<title>echarts-设置折线图中折线线条颜⾊和折线点颜⾊</title>
<link rel="shortcut icon" href="../js/echarts-2.2.7/doc/asset/ico/favicon.png" rel="external nofollow" rel="external nofollow" rel="external nofollow" >    <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{
width: 99%;
height: 99%;
font-family: "微软雅⿊";
font-size: 12px;
}
#line{
width: 100%;
height: 100%;
}
</style>
<script>
$(function(){
var chart = ElementById('line');
var echart = echarts.init(chart);
var option = {
title: {
text: ''
},
tooltip: {
trigger: 'axis'
},
legend: {
data:['销售量']
},
grid: {
left: '3%',
right: '4%',
bottom: '3%',
containLabel: true
},
toolbox: {
feature: {
saveAsImage: {}
}
},
xAxis: {
type: 'category',
boundaryGap: false,
data: ['周⼀','周⼆','周三','周四','周五','周六','周⽇']
},
yAxis: {
type: 'value'
type:'line',
stack: '销售量',
itemStyle : {
normal : {
color:'#00FF00',
lineStyle:{
color:'#00FF00'
}
}
},
data:[220, 132, 601, 314, 890, 230, 510]
}
]
};
echart.setOption(option);
});
</script>
</head>
<body>
<div id="line"></div>
</body>
</html>
3、实现结果
（1）图形⾃分配颜⾊
（2）线条⾃定义颜⾊
（3）折点⾃定义颜⾊
4、问题说明
（1）设置折线线条颜⾊
lineStyle:{
color:'#00FF00'
}
（2）设置折线折点颜⾊
itemStyle : {
normal : {
color:'#00FF00'
}
}
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