echarts中series的循环显示

将代码复制到此地址就可以看到效果 https://www.echartsjs.com/examples/zh/editor.html?c=line-stack

var keys = ['周一', '周二', '周三', '周四', '周五', '周六', '周日'];
var datas = [
    [120, 132, 101, 134, 90, 230, 210],
    [220, 182, 191, 234, 290, 330, 310],
    [150, 232, 201, 154, 190, 330, 410],
    [320, 332, 301, 334, 390, 330, 320],
    [820, 932, 901, 934, 1290, 1330, 1320]
    ]

var series = [
        {
            name: products[0],
            type: 'line',
            stack: '总量',
            data: datas[0]
        },
        {
            name: products[1],
            type: 'line',
            stack: '总量',
            data: datas[1]
        },
        {
            name: products[2],
            type: 'line',
            stack: '总量',
            data: datas[2]
        },
        {
            name: products[3],
            type: 'line',
            stack: '总量',
            data: datas[3]
        },
        {
            name: products[4],
            type: 'line',
            stack: '总量',
            data: datas[4]
        }
    ]

var seriesArr = [];
for(var i = 0; i