近三月趋势图 legend problemecharts 折线配置项内容和展示

              option = {
            title: {
                text: '近三月趋势图'
            },
            legend: {
                data: ['涨跌幅'],
                left: 450,
                top: 6,
                itemHeight: 10,
                selectedMode: false
            },
            xAxis: {
                gridIndex: 0,
                name: 'x',
                data: ['2016-06', '2016-07', '2016-08'],
                nameTextStyle: {
                    color: '#2c9ad3'
                }
            },
            yAxis: [
                {
                    gridIndex: 0,
                    name: 'y',
                    type: 'value',
                    min: 80,
                    max: 130,
                    splitNumber: 5
                }
            ],
            series: [
            {
                name: '涨跌幅',
                type: 'line',
                smooth: false,
                data: [90, 100, 110]
            }]
        }

        var options2 = {
            title: {
                text: '近三月趋势图'
            },
            legend: {
                data: ['环比涨跌幅'],
                left: 450,
                top: 6,
                itemHeight: 10,
                selectedMode: false
            },
            xAxis: {
                gridIndex: 0,
                name: 'x',
                data: ['2016-06', '2016-07', '2016-08'],
                nameTextStyle: {
                    color: '#2c9ad3'
                }
            },
            yAxis: [
                {
                    gridIndex: 0,
                    name: 'y',
                    type: 'value',
                    min: 80,
                    max: 130,
                    splitNumber: 5
                }
            ],
            series: [
            {
                name: '环比涨跌幅',
                type: 'line',
                smooth: false,
                data: [94, 105, 109]
            }]
        };
        
        setTimeout(function () {
            myChart.setOption(options2);
        }, 1000);