<script src="public/js/echarts.common.min.js"></script>

<div id="main" style="width: 600px;height:400px;"></div>

data() { return { 

　　　　

getSetOption: {//折线图

    title: {

     text: null

    },

    tooltip: {

     trigger: 'axis'

    },

    grid: {

     left: '3%',

     right: '4%',

     bottom: '3%',

     containLabel: true

    },

    yAxis: {

     type: 'value'

    },

    legend: {

     data: []

    },

 

    xAxis: {

     type: 'category',

     data: []

    },

 

    series: [

     {

      name: null,

      type: 'line',

      stack: '总人数',

      data: []

     }

    ]

   },

 

   getPieOption: {//饼图

    title: { 

     text: null 

    },

 

    tooltip: {

     tooltip: 'item',

     formatter: "{a} <br/> {b} : {c} ({d}%)"

    },

    series : [

     {

      type: 'pie',

      radius: '55%',

      data:[

      ].sort(function(a,b){return a.value - b.value;}),

      roseType: 'angle',

     }

    ]

   },

　　}

}

drawLineChart() {

   this.lineChartOrder = echarts.init(document.getElementById('lineChartOrder'));

   this.lineChartOrder.setOption(this.getSetOption); 

  },

  this.drawLineChart(),

   getOrderTotal(){//获取一段时间内的订单统计

   api.getOrderStatistical(this.begin, this.end,this.kId)

   .then(res => {

    if (res.data.ok && res.data.r.length) {

 

     const

      results = res.data.r, 

      legends = results.map(item => ({

       name: item.channelName,

       data: item.dateStatisticals

      }))

     

     this.lineChartOrder.setOption({

      title: {

       text: '订单统计'

      },

      legend: {

       data: legends.map(item => item.name)

      },

 

      xAxis: {

       data: legends[0].data.map(item => item.date)

      },

 

      series: legends.map(item => {

       return {

        type: 'line',

        name: item.name,

        data: item.data.map(item => item.count)

       }

      })

     })

    }

   }).catch(err => {

    // console.log(err)

   })

// 异步加载数据

 $.get('data.json').done(function (data) {

// 填入数据

 

myChart.setOption({

 

 xAxis: {

  data: data.categories

 },

 series: [{

  // 根据名字对应到相应的系列

  name: '销量',

  data: data.data

 }]

});