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echarts設定折線線條顏色和折線點顏色的實例

小云云

發布： 2018-05-18 09:46:23

原創

11786 人瀏覽過

本文主要介紹了jQuery插件echarts設定折線圖中折線線條顏色和折線點顏色的方法,結合實例形式分析了jQuery圖表插件echarts設置折線圖的相關操作技巧,需要的朋友可以參考下，希望能幫助大家。

1、問題背景

設計一條折線圖，但是圖形中不用插件自帶的顏色，需要自訂線條和折點的顏色

2、實作原始碼

（1）圖形自分配顏色

<!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(&#39;line&#39;);
        var echart = echarts.init(chart);
        var option = {
          title: {
            text: &#39;&#39;
          },
          tooltip: {
            trigger: &#39;axis&#39;
          },
          legend: {
            data:[&#39;销售量&#39;]
          },
          grid: {
            left: &#39;3%&#39;,
            right: &#39;4%&#39;,
            bottom: &#39;3%&#39;,
            containLabel: true
          },
          toolbox: {
            feature: {
              saveAsImage: {}
            }
          },
          xAxis: {
            type: &#39;category&#39;,
            boundaryGap: false,
            data: [&#39;周一&#39;,&#39;周二&#39;,&#39;周三&#39;,&#39;周四&#39;,&#39;周五&#39;,&#39;周六&#39;,&#39;周日&#39;]
          },
          yAxis: {
            type: &#39;value&#39;
          },
          series: [
            {
              name:&#39;销售量&#39;,
              type:&#39;line&#39;,
              stack: &#39;销售量&#39;,
              data:[220, 132, 601, 314, 890, 230, 510]
            }
          ]
        };
        echart.setOption(option);
      });
    </script>
  </head>
  <body>
    <p id="line"></p>
  </body>
</html>

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（2）線條自訂顏色

<!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(&#39;line&#39;);
        var echart = echarts.init(chart);
        var option = {
          title: {
            text: &#39;&#39;
          },
          tooltip: {
            trigger: &#39;axis&#39;
          },
          legend: {
            data:[&#39;销售量&#39;]
          },
          grid: {
            left: &#39;3%&#39;,
            right: &#39;4%&#39;,
            bottom: &#39;3%&#39;,
            containLabel: true
          },
          toolbox: {
            feature: {
              saveAsImage: {}
            }
          },
          xAxis: {
            type: &#39;category&#39;,
            boundaryGap: false,
            data: [&#39;周一&#39;,&#39;周二&#39;,&#39;周三&#39;,&#39;周四&#39;,&#39;周五&#39;,&#39;周六&#39;,&#39;周日&#39;]
          },
          yAxis: {
            type: &#39;value&#39;
          },
          series: [
            {
              name:&#39;销售量&#39;,
              type:&#39;line&#39;,
              stack: &#39;销售量&#39;,
              itemStyle : {
                normal : {
                  lineStyle:{
                    color:&#39;#00FF00&#39;
                  }
                }
              },
              data:[220, 132, 601, 314, 890, 230, 510]
            }
          ]
        };
        echart.setOption(option);
      });
    </script>
  </head>
  <body>
    <p id="line"></p>
  </body>
</html>

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（3）折點自訂顏色

<!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(&#39;line&#39;);
        var echart = echarts.init(chart);
        var option = {
          title: {
            text: &#39;&#39;
          },
          tooltip: {
            trigger: &#39;axis&#39;
          },
          legend: {
            data:[&#39;销售量&#39;]
          },
          grid: {
            left: &#39;3%&#39;,
            right: &#39;4%&#39;,
            bottom: &#39;3%&#39;,
            containLabel: true
          },
          toolbox: {
            feature: {
              saveAsImage: {}
            }
          },
          xAxis: {
            type: &#39;category&#39;,
            boundaryGap: false,
            data: [&#39;周一&#39;,&#39;周二&#39;,&#39;周三&#39;,&#39;周四&#39;,&#39;周五&#39;,&#39;周六&#39;,&#39;周日&#39;]
          },
          yAxis: {
            type: &#39;value&#39;
          },
          series: [
            {
              name:&#39;销售量&#39;,
              type:&#39;line&#39;,
              stack: &#39;销售量&#39;,
              itemStyle : {
                normal : {
                  color:&#39;#00FF00&#39;,
                  lineStyle:{
                    color:&#39;#00FF00&#39;
                  }
                }
              },
              data:[220, 132, 601, 314, 890, 230, 510]
            }
          ]
        };
        echart.setOption(option);
      });
    </script>
  </head>
  <body>
    <p id="line"></p>
  </body>
</html>

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3、實作結果

（1）圖形自指派顏色

（ 2）線條自訂顏色

（3）折點自訂顏色

##4、問題說明

（1）設定折線線條顏色

lineStyle:{
 color:&#39;#00FF00&#39;
}

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（2）設定折線折點顏色

itemStyle : {
 normal : {
  color:&#39;#00FF00&#39;
 }
}

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