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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

时间:2021-07-01 10:21:17 帮助过:10人阅读

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;
      }
      #line{
        width: 100%;
        height: 100%;
      }
    </style>
    <script>
      $(function(){
        var chart = document.getElementById('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',
              stack: '销售量',
              data:[220, 132, 601, 314, 890, 230, 510]
            }
          ]
        };
        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 = document.getElementById('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',
              stack: '销售量',
              itemStyle : {
                normal : {
                  lineStyle:{
                    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 = document.getElementById('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',
              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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