echarts中图例右置且竖排

有echarts中,图例是用来指示不同系列的标记颜色和名字小组件,见图所示。

 默认图标都是水平放置的:

要让图例放在右侧并竖直,需要作如下配置: 

	legend: {
		show:true,
		type:'plain',
		left:'right',
		top:'middle',
		width:130,
	},

type代表类型,有plain与scroll两个,这里我们使用plain,这也是默认的类型;

left代表图例在水平放置的位置,有left、center、right

top代表图例在垂直方向的位置,有top、middle、bottom

width是最主要的,当设置的宽度比较小时,才会迫使图例换行,从而形成竖直排列的现像。

以下分别是width在20、150、400时的样子:

    

 以下是完整代码:

<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <meta http-equiv="X-UA-Compatible" content="IE=edge">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>甘特图</title>
    <style>
        #echart {
            width: 600px;
            height: 400px;
            margin: 100px auto;
            border: 1px solid #CCC;
        }
    </style>
</head>
<body>
    <div id="echart"></div>

    <script type="text/javascript" src="js/echarts.min.js"></script>
    <!-- <script src="js/gt.js"></script> -->
    <script>
        // 初始化图表
var myChart = echarts.init(document.getElementById('echart'));
 
 // 构建图表配置项
 option = {
     color: ["#003366", "#006699", "#4cabce", "#e5323e"],
     legend: {
         show:true,
         type:'plain',
         left:'right',
         top:'middle',
         width:20,
     },
     xAxis: {
         type: "category",
         axisTick: {
         show: false
         }
     },
     yAxis: {},
     series: [{
         name:'Forest',
         type: "bar",
         seriesLayoutBy: "row",
         data:[320,332,301,334,390],
     }, {
         name:'Steppe',
         type: "bar",
         seriesLayoutBy: "row",
         data:[220,182,191,234,290],
     }, {
         name:'Desert',
         type: "bar",
         seriesLayoutBy: "row",
         data:[150,232,201,154,190],
     }, {
         name:'Wetland',
         type: "bar",
         seriesLayoutBy: "row",
         data:[98, 77, 101, 99, 40],
     }]
 };
  
 // 将构建好的配置项传入echarts
 myChart.setOption(option);
    </script>
</body>
</html>