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监听事件示例

2022-02-10 21:36:21 作者：互联网

<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <title>监听事件</title>
</head>
<body>

<div id="main" style="width:600px;height:300px;"></div>
<script src="js/echarts.js"></script>
<script>
    var myChart = echarts.init(document.getElementById('main'));

    option = {
        title:{
            text:'监听事件'
        },
        tooltip:{},
        legend:{
            data:['销量']
        },
        xAxis:{
            data:["衬衫","羊毛衫","雪纺衫","裤子","高跟鞋","袜子"]
        },
        yAxis:{},
        series:[{
            name:'销量',
            type:'bar',
            data:[5,10,25,20,6,8]
        }]
    };

    myChart.setOption(option);

    myChart.on('legendselectchanged',function(params){
        //获取点击图例的点击状态
        var isSelected = params.selected[params.name];
        //打印
        console.log((isSelected ? '选中了':'取消选中了')+ '图例' + params.name);
        //打印所有图例的状态
        console.log(params.isSelected);
    });

</script>
</body>
</html>

标签：name,示例,myChart,isSelected,图例,params,事件,data,监听
来源： https://www.cnblogs.com/dzwj/p/15881103.html