echarts--折线图单选效果

1、使用参数中的selectedMode属性达到单选效果
legend. selectedMode = 'single'

效果
2、绑定change方法
<!DOCTYPE html>
<html lang="en" style="height: 100%;width: 100%;">

<head>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>Document</title>
</head>

<body style="height: 100%;width: 100%;padding: 0;margin: 0;">
<div style="height: 100%;width: 100%;" id="main">

</div>
</body>
<script src="echarts.min.js"></script>
<script type="text/javascript">
    var option = {
        title: {
            text: '折线图堆叠'
        },
        tooltip: {
            trigger: 'axis'
        },
        legend: {
            data: ['全部','邮件营销', '联盟广告', '视频广告', '直接访问', '搜索引擎']
        },
        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: '全部',
                type: 'line',
            },
            {
                name: '邮件营销',
                type: 'line',
                stack: '总量',
                data: [120, 132, 101, 134, 90, 230, 210]
            },
            {
                name: '联盟广告',
                type: 'line',
                stack: '总量',
                data: [220, 182, 191, 234, 290, 330, 310]
            },
            {
                name: '视频广告',
                type: 'line',
                stack: '总量',
                data: [150, 232, 201, 154, 190, 330, 410]
            },
            {
                name: '直接访问',
                type: 'line',
                stack: '总量',
                data: [320, 332, 301, 334, 390, 330, 320]
            },
            {
                name: '搜索引擎',
                type: 'line',
                stack: '总量',
                data: [820, 932, 901, 934, 1290, 1330, 1320]
            }
        ]
    };

    var myChart = echarts.init(document.getElementById('main'));
    myChart.setOption(option);


    myChart.on('legendselectchanged',function(params){
        var taht = this;

        var dic = {};
        var isSelect = false;

        if(params.name == '全部'){
            isSelect = true;
        }

        for (var key in params.selected) {
            dic[key] = isSelect;
        }

        option.legend.selected = dic;
        option.legend.selected[params.name] = true;

        myChart.setOption(option);
    })
</script>
效果
echarts--折线图单选效果

legend. selectedMode = 'single'

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