//和后台数据对接

method:{

echartsData(row){

  this.$nextTick(() => {

     this.$http

          .get(`/bus/asset-flaw/chart/${row.assetId}?listType=${this.listType}`)

          .then(res => {

            this.tabData2= res.data.content.assetStatistics

//折线图的数据

     this.lineData(row)

    //重新加载echarts

            this.line()

//窗口自适应

            this.inits()

          })

          .catch(error => {

            console.log(error.message)

          })

    }）

},

  line() {

      this.$echarts.init(this.$refs.main).setOption(this.option3)

    },

 inits() {

      let self = this //因为箭头函数会改变this指向，指向windows。所以先把this保存

      window.onresize = function() {

        self.$echarts.init(self.$refs.main).resize()

      }

    },

//给折线图赋值

    lineData(row) {

      this.option3.title.text = this.textContent + '趋势图' + '-' + row.startUrl

      let asset = this.tabData2.map(x => x.needAttentionCount)

      let findNewCount = this.tabData2.map(x => x.findNewCount)

      let findRecurringCount = this.tabData2.map(x => x.findRecurringCount)

      let findOpenCount = this.tabData2.map(x => x.findOpenCount)

      this.option3.series[0].data = asset

      this.option3.series[0].name = 'A'

      this.option3.series[1].data = findNewCount

      this.option3.series[1].name = 'B'

      this.option3.series[2].data = findRecurringCount

      this.option3.series[2].name = 'C'

      this.option3.series[3].data = findOpenCount

      this.option3.series[3].name = 'D'

      let historyTime = this.tabData2.map(x => x.historyTime)

      // 时间

      this.option3.xAxis.data = historyTime

      this.option3.legend.data = ['A','B','C','D']

    },

}   

  // 隐藏百分比为0的

    lineHide(opt) {

      opt.data.forEach(item => {

        if (item.value === 0) {

          item.value = null

        }

      })

    },