echarts中series下的data循环拼接

版权声明：本文为博主原创文章，未经博主允许不得转载。 https://blog.csdn.net/xiongdaandxiaomi/article/details/88060229

页面效果

x轴为每年存在数据的月份，因而不一定是12个月，每个月又包含对应的天数
y轴为充电量

获取数据

 listCarChargingKWHChart() {
    var _this = this;
     listCarChargingKWHChart({
       "token": getSessiontoken('token'),
       "type": parseInt(_this.selectType),
       "dayTime": _this.searchingCondition.dayTime,
       "yearTime": _this.searchingCondition.yearTime,
       "beginTime": _this.searchingCondition.beginTime,
       "endTime": _this.searchingCondition.endTime,
       "monthTime": _this.searchingCondition.monthTime,
     }).then(function (res) {
       var obj = JSON.parse(utilFile.decrypt(res.data.a));
       if (obj.code == 200) {
         console.log('图表', obj.data)
         _this.statisticalChartList = obj.data;
         var months=[];
         var arr = [];
         for (let i = 0; i < _this.statisticalChartList.length; i++) {
           for(let j = 0;j< _this.statisticalChartList[i].yearsList.length;j++){
             months.push(_this.statisticalChartList[i].yearsList[j].months);
             arr[j] = _this.statisticalChartList[i].yearsList[j].monthsList;
           }
         }
         console.log("转化后",months,arr)
         _this.standLine(months,arr);
       } else {
         _this.$message.error(obj.msg);
       }
     }).catch(function (err) {
       console.log(err);
     })
   },

后台返回数据格式

echarts图

  standLine(months,arr) {
     let _this = this;
      var chargingStationCount = _this.$echarts.init(document.getElementById("chargingStationCount"));
      var RecCountOpt = {
         tooltip: {
            trigger: 'axis',
            axisPointer: {
                type: 'cross',
                crossStyle: {
                    color: '#999'
                }
            }
        },
        xAxis: [
            {
                type: 'category',
                data: months,
                axisPointer: {
                    type: 'shadow'
                }
            }
        ],
        yAxis: [
            {
                type: 'value',
                name: '电量',
                interval: 50,
                axisLabel: {
                    formatter: '{value} KWH'
                }
            }
        ],
        dataZoom: [
          {
              show: true,
              start: 30,
              end: 100
          },
          {
              type: 'inside',
              start: 60,
              end: 100
          },
         
      ],
        series: _this.serie_func(arr,months)
      };
      chargingStationCount.setOption(RecCountOpt);
    },

拼接series 中data方法

 serie_func(series,month){
          var serie = []; 
          var date=[]; //日期合并
          for(let k=0;k<series.length;k++){
            for(let q=0;q<series[k].length;q++){
              date.push(series[k][q].countDate.split(" ")[0].split("-")[2]);
              series[k][q].countDate = series[k][q].countDate.split(" ")[0].split("-")[2];
            }
          }
          console.log('date',date)
          var oldDataRule = [];
            series.forEach((el) => {
              el.forEach( item =>{
                var oldObj = {
                  name: item.countDate,
                  data: [item.avgTotalChargingKWH]
                }
                oldDataRule.push(oldObj);
              })
            })
          console.log('oldDataRule',oldDataRule)
        
          var newData = []
          var newObj = {}
          oldDataRule.forEach((el, i) => {
            if (!newObj[el.name]) {
              newData.push(el);
              newObj[el.name] = true;
            } else {
              newData.forEach(el => {
                if (el.name === oldDataRule[i].name) {
                  el.data = el.data.concat(oldDataRule[i].data);
                }
              })
            }
          })
          console.log('newData',newData)
          newData.forEach((xdataele,xindex) => {
            var item = {  
                  name:xdataele.name,//获取12个月
                  type: 'bar',
                  barGap: 0,
                  data:xdataele.data
              }  
              serie.push(item);  
          });
          return serie;
      },

方法中数据