博客

```javascript
在这里插入代码片
   drawTime() {
      const data = [
        {
          value: ["2021-9-16 12:00", 8]
        },
        {
          value: ["2021-9-16 12:50", 6]
        },
        {
          value: ["2021-9-16 13:20", 6]
        },
        {
          value: ["2021-9-16 13:50", 4.5]
        },
        {
          value: ["2021-9-16 14:10", 3.5]
        },
        {
          value: ["2021-9-16 14:30", 3.5]
        },
        {
          value: ["2021-9-16 14:50", 4.5]
        },
        {
          value: ["2021-9-16 15:20", 4.5]
        },
        {
          value: ["2021-9-16 15:30", 8]
        },
        {
          value: ["2021-9-16 15:40", 8]
        },
        {
          value: ["2021-9-16 16:10", 8]
        },
        {
          value: ["2021-9-16 16:30", 1.8]
        },
        {
          value: ["2021-9-16 16:55", 1.8]
        },
        {
          value: ["2021-9-16 17:15", 3.8]
        },
        {
          value: ["2021-9-16 17:40", 3.8]
        },
        {
          value: ["2021-9-16 18:10", 6.2]
        },

        {
          value: ["2021-9-16 18:45", 6.2]
        },
        {
          value: ["2021-9-16 19:15", 7.2]
        },
        {
          value: ["2021-9-16 19:30", 7.2]
        },
        {
          value: ["2021-9-16 20:45", 5.8]
        },
        {
          value: ["2021-9-16 21:00", 11]
        },
        {
          value: ["2021-9-16 22:00", 4]
        },
        {
          value: ["2021-9-16 24:00", 4]
        },
        {
          value: ["2021-9-17 15:00", 2]
        },
        {
          value: ["2021-9-17 23:00", 2]
        },
        {
          value: ["2021-9-18 01:00", 2]
        }
      ];
      let myChart = this.$echarts.init(document.getElementById("time"));
      let option = {
        title: {
          x: "center",
          show: true,
          text: " ",

          textStyle: {
            width: 300,
            height: 300
          }
        },

        xAxis: [
          {
            type: "time",
            axisTick: {
              show: false
            },
            axisLine: {
              show: false
            },
            axisLabel: {
              formatter: function(v) {
                const dateObj = new Date(v);

                const hours =
                  dateObj.getHours() > 10
                    ? dateObj.getHours()
                    : dateObj.getHours() == 0
                    ? "24"
                    : "0" + dateObj.getHours();
                const dateObjTime = dateObj.getTime();
                const minutes =
                  dateObj.getMinutes() < 10
                    ? dateObj.getMinutes() + "0"
                    : dateObj.getMinutes();
                let UnixTimeToDate = hours + ":" + minutes;
                dateObj.getHours() > 10;
                let min = new Date("2021-9-16 12:00").getTime();
                let max = new Date("2021-9-17 12:00").getTime();
                const month = dateObj.getMonth() + 1;

                switch (dateObjTime) {
                  case min:
                    UnixTimeToDate =
                      UnixTimeToDate +
                      "\n" +
                      dateObj.getFullYear() +
                      "/" +
                      month +
                      "/" +
                      dateObj.getDate();
                    return UnixTimeToDate;
                  case max:
                    UnixTimeToDate =
                      UnixTimeToDate +
                      "\n" +
                      dateObj.getFullYear() +
                      "/" +
                      month +
                      "/" +
                      dateObj.getDate();
                    return UnixTimeToDate;
                  default:
                    return UnixTimeToDate;
                }
              }
            },
            visualMap: {
              type: "piecewise",
              show: false,
              dimension: 0,
               splitNumber: 16,
            },
            smooth: 0.6,
            symbol: "none",
            lineStyle: {
              color: "#5470C6",
              width: 8
            },
            markLine: {
              symbol: ["none", "none"],
              label: { show: false },
            },
            splitLine: {
              show: false
            },
           maxInterval: 3600 * 6 * 1000,
            min: new Date("2021-9-16 12:00"),
            max: new Date("2021-9-18 01:00")
          }
        ],
        yAxis: [
          {
            type: "value",
            min: 0,
            max: 10,
            interval: 2
          }
        ],
        series: [
          {
            type: "line",
            data: data
          }
        ]
      };
      if (option ) {
        myChart.setOption(option);
      }
    },
``