test/selectedMode.html

<html>
    <head>
        <meta charset="utf-8">
        <script src="esl.js"></script>
        <script src="config.js"></script>
        <meta name="viewport" content="width=device-width, initial-scale=1" />
    </head>
    <body>
        <style>
            html, body, #main {
                width: 100%;
                height: 100%;
                margin: 0;
            }
            #main {
                width: 1000px;
                background: #fff;
            }
        </style>
        <div id="main"></div>
        <script>

            require([
                'echarts',
                'echarts/chart/bar',
                'echarts/component/legend',
                'echarts/component/grid',
                'echarts/component/tooltip'
            ], function (echarts) {

                var chart = echarts.init(document.getElementById('main'), null, {
                    renderer: 'canvas'
                });

                var xAxisData = [];
                var data1 = [];
                var data2 = [];
                var data3 = [];
                var data4 = [];

                for (var i = 0; i < 10; i++) {
                    xAxisData.push('类目' + i);
                    data1.push((Math.random() * 5).toFixed(2));
                    data2.push(-Math.random().toFixed(2));
                    data3.push((Math.random() + 0.5).toFixed(2));
                    data4.push((Math.random() + 0.3).toFixed(2));
                }

                var itemStyle = {
                    normal: {
                        label: {
                            show: true,
                            position: 'outside'
                        }
                    },
                    emphasis: {
                        shadowBlur: 10,
                        shadowOffsetX: 0,
                        shadowOffsetY: 0,
                        shadowColor: 'rgba(0,0,0,0.5)'
                    }
                };

                console.profile('setOption');
                chart.setOption({
                    legend: {
                        data: [{
                            name: 'bar'
                        }, 'bar2', 'bar3', 'bar4'],
                        selected: {
                            // 'bar': false
                        },
                        selectedMode: 'single',
                        orient: 'vertical',
                        left: 'right',
                        top: 'bottom',
                        align: 'right'
                    },
                    tooltip: {},
                    xAxis: {
                        data: xAxisData,
                        axisLine: {
                            onZero: true
                        },
                        splitLine: {
                            show: false
                        },
                        splitArea: {
                            show: false
                        }
                    },
                    yAxis: {
                        inverse: true,
                        splitArea: {
                            show: false
                        }
                    },
                    series: [{
                        name: 'bar',
                        type: 'bar',
                        stack: 'one',
                        itemStyle: itemStyle,
                        data: data1
                    }, {
                        name: 'bar2',
                        type: 'bar',
                        stack: 'one',
                        itemStyle: itemStyle,
                        data: data2
                    }, {
                        name: 'bar3',
                        type: 'bar',
                        stack: 'two',
                        itemStyle: itemStyle,
                        data: data3
                    }, {
                        name: 'bar4',
                        type: 'bar',
                        stack: 'two',
                        itemStyle: itemStyle,
                        data: data4
                    }]
                });
                console.profileEnd('setOption');
            })

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