百度echart的几种动画写法

1.柱形图表

<template>
  <div class="gwtj-echart">
    <div class="eachert-box" id="street-hdcs-echart"
    @mouseout="mouseout"
    @mouseover="mouseover"
    
    ></div>
  </div>
</template>

<script>
import { getActivitiesSummary } from "@/api/module/lqdjScreen";
import * as echarts from "echarts";
export default {
  name: "gwtjEchart",
  data() {
    return {
      chartDom: null,
      timgerId: null,
      nowIndex: 0,
      rowNameArr: [],
      rowValueArr: [],
      rowValueArr1:[]
    };
  },
  props: {
    unid: String,
    communityName:String
  },
  mounted() {
    this.getData();
  },
  methods: {
    random(min, max) {
 
     return Math.floor(Math.random() * (max - min)) + min;
 
    },
    getData() {
     
      getActivitiesSummary({
        communityName: this.communityName,
      }).then((res) => {
        if (res.code == 200) {
          let tampArr = res.result.everyMonthActices || [];
          this.rowNameArr = [];
          this.rowValueArr = [];
          tampArr.forEach((item) => {
            // this.weekArr.push(item.counts);
          
             this.rowNameArr.push(item.month);
             this.rowValueArr.push(item.total);
            //  this.rowValueArr.push(this.random(1, 100));
          });
         
          // this.init(this.rowNameArr, this.rowValueArr);
          this.startAnimation();
        }
      });
    },
    init(nameArr, valueArr) {
      this.chartDom = echarts.init(document.getElementById("street-hdcs-echart"));
      const option = {
        title: {
          text: "",
        },
        tooltip: {
          trigger: "axis",
          axisPointer: {
            type: "shadow",
          },
        },
        legend: {
          data: ["活动次数"],
          top: "5%",
          right: "5%",
          orient: "horizontal",
          textStyle: {
            fontSize: 12,
            fontWeight: 400,
            color: "#fff",
          },
        },
        grid: {
          left: "3%",
          right: "4%",
          bottom: "3%",
          containLabel: true,
        },
        xAxis: {
          type: "value",
          // boundaryGap: [0, 0.01],
          axisLine: {
            lineStyle: {
              color: "#fff",
            },
          },
           splitLine: {
              show: false,
          },
        },
        yAxis: {
          type: "category",
          data: nameArr,
          axisLine: {
            lineStyle: {
              color: "#fff",
            },
          },
          splitLine: {
              show: false,
          }
        },
        series: [
          {
            name: "组织活动次数",
            type: "bar",
            data: valueArr,
            // color: "#0263FF",
            itemStyle: {
            normal: {
                color: new echarts.graphic.LinearGradient(
                    0, 0, 1, 0,
                    [
                        {offset: 0, color: '#df2c1e'},                   //柱图渐变色
                        {offset: 0.5, color: '#e9713d'},                 //柱图渐变色
                        {offset: 1, color: '#f7cc66'},                   //柱图渐变色
                    ]
                )
             }
            }
            
          }
        ],
      };
      this.chartDom.setOption(option);

      window.addEventListener("resize", () => {
        this.chartDom.resize();
      });
       this.chartDom.on("click", (params) => {
        console.log(params);
        this.$router.push({
          path: "/bigScreen/communityBig",
          query: {
            communityName: params.name,
            isFull:this.isFull
          },
        });
      });
    },
     mouseover() {
  
      clearInterval(this.timgerId);
    },
    mouseout() {
      this.startAnimation();
    },
    startAnimation() {
      //初始化图表
      // this.nowIndex = 8;
      var that=this;
      let tampNameArr = [];
      let tampValueArr = [];
      this.rowNameArr.forEach((item, index) => {
       
          tampNameArr.push(item);
          tampValueArr.push(this.rowValueArr[index]);
        
      });

      this.init(tampNameArr, tampValueArr);

      //开启定时任务
      clearInterval(this.timgerId);
      that.timgerId = setInterval(() => {
        tampNameArr.shift();
        tampValueArr.shift();
        tampNameArr.push(that.rowNameArr[this.nowIndex]);
        tampValueArr.push(that.rowValueArr[this.nowIndex]);

        that.nowIndex++;
        if (that.nowIndex >= that.rowNameArr.length) {
          that.nowIndex = 0;
        }
        that.chartDom.setOption({
          yAxis: [
            {
              data: tampNameArr,
            },
          ],
          series: [
            {
              data: tampValueArr,
            },
          ],
        });
      }, 2000);
    },
  },
};
</script>

<style lang="less" scoped>
.gwtj-echart {
  width: 100%;
  height: 100%;
  position: relative;
  .eachert-box {
    position: absolute;
    width: 90%;
    height: 90%;
    top: 0;
    left: 0;
  }
}
</style>

```javascript
在这里插入代码片
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2.线型图表

<template>
  <div class="gwtj-echart">
    <div class="eachert-box" id="gwtj-echart"></div>
  </div>
</template>

<script>
import { getybdyNum } from "@/api/module/lqdjScreen";
import * as echarts from "echarts";
export default {
  name: "gwtjEchart",
  data() {
    return {
      chartDom: null,
      timgerId: null,
      nowIndex: 2,
      rowNameArr: [],
      rowValueArr: [],
    };
  },
  props: {
    unid: String,
  },
  mounted() {
    this.getData();
  },
  methods: {
    getData() {
      getybdyNum({
        areaUnid: this.unid,
      }).then((res) => {
        if (res.code == 200) {
          let tampArr = res.result || [];
          this.rowNameArr = [];
          this.rowValueArr = [];
          tampArr.forEach((item) => {
            this.rowNameArr.push(item.title);
            this.rowValueArr.push(item.value.number);
          });
          // this.init(this.nameArr, this.valueArr);
          this.startAnimation();
        }
      });
    },
    init(nameArr, valueArr) {
      this.chartDom = echarts.init(document.getElementById("gwtj-echart"));
      const option = {
        color: ["#ef7100", "#64c06c", "#f4cd49", "#e05667", "#8c5fe8"],
        tooltip: {
          backgroundColor: "#033b77",
          borderColor: "#ef7100",
          textStyle: {
            color: "#fff",
            fontSize: 13,
          },
          trigger: "item",
          formatter: "{b0}：{c0}人",
        },
        xAxis: [
          {
            type: "category",
            boundaryGap: false,
            data: nameArr,
            axisLabel: {
              overflow: "break",
              width: 80,
              show: true,
              interval: 0,
            },
            axisLine: {
              lineStyle: {
                color: "#fff",
              },
            },
          },
        ],
        yAxis: [
          {
            type: "value",
            color: "#fff",
            axisLine: {
              lineStyle: {
                color: "#fff",
              },
            },
            splitLine: {
              show: false,
            },
          },
        ],
        series: [
          {
            type: "line",
            areaStyle: {
              normal: {
                color: new echarts.graphic.LinearGradient(0, 0, 0, 1, [
                  {
                    offset: 0,
                    color: "rgba(229,56,0 , 0.4)",
                  },
                  {
                    offset: 1,
                    color: "rgba(248,152,5, 0.4)",
                  },
                ]),
              },
            },
            barGap: 0,
            // label: labelOption,
            emphasis: {
              focus: "series",
            },
            data: valueArr,
          },
        ],
      };
      this.chartDom.setOption(option);
      window.addEventListener("resize", () => {
        this.chartDom.resize();
      });
    },
    startAnimation() {
      //初始化图表
      this.nowIndex = 3;
      let tampNameArr = [];
      let tampValueArr = [];
      this.rowNameArr.forEach((item, index) => {
        if (index < this.nowIndex) {
          tampNameArr.push(item);
          tampValueArr.push(this.rowValueArr[index]);
        }
      });

      this.init(tampNameArr, tampValueArr);

      //开启定时任务
      clearInterval(this.timgerId);
      this.timgerId = setInterval(() => {
        tampNameArr.shift();
        tampValueArr.shift();
        tampNameArr.push(this.rowNameArr[this.nowIndex]);
        tampValueArr.push(this.rowValueArr[this.nowIndex]);

        this.nowIndex++;
        if (this.nowIndex >= this.rowNameArr.length) {
          this.nowIndex = 0;
        }
        this.chartDom.setOption({
          xAxis: [
            {
              data: tampNameArr,
            },
          ],
          series: [
            {
              data: tampValueArr,
            },
          ],
        });
      }, 2000);
    },
  },
  beforeDestroy() {
    clearInterval(this.timgerId);
  },
};
</script>

<style lang="less" scoped>
.gwtj-echart {
  width: 100%;
  height: 100%;
  position: relative;
  .eachert-box {
    position: absolute;
    width: 100%;
    height: 110%;
    top: 0;
    left: 0;
  }
}
</style>
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3.饼状图表

<template>
  <div class="kq-echart">
    <div
      class="eachert-box"
      id="kq-echart"
      @mouseout="mouseout"
      @mouseover="mouseover"
    ></div>
  </div>
</template>

<script>
import moment from "moment";
import { getDyStatus } from "@/api/module/lqdjScreen";
import * as echarts from "echarts";
export default {
  name: "kqEchart",
  data() {
    return {
      nowIndex: 0,
      timer: null,
      chartDom: null,
    };
  },
  mounted() {
    this.getData();
  },
  methods: {
    getData() {
      getDyStatus({
        dkrq: moment().format("YYYY-MM-DD"),
      }).then((res) => {
        if (res.code == 200) {
          let tampArr = res.result || [];
          let data = [];
          tampArr.forEach((item) => {
            data.push({
              value: item.value.number,
              name: item.title,
            });
          });
          this.init(data);
        }
      });
    },
    init(data) {
      this.chartDom = echarts.init(document.getElementById("kq-echart"));
      const option = {
        color: [
          "#fc7b04",
          "#FF7D00",
          "#8781D7",
          "#FFC83B",
          "#FFA800",
          "#c11200",
          "#1304D3",
          "#c11200",
        ],
        tooltip: {
          backgroundColor: "#033b77",
          borderColor: "#21f2c4",
          textStyle: {
            color: "#fff",
            fontSize: 13,
          },
          trigger: "item",
          formatter: "{b0}：{d}%",
        },
        legend: {
          top: "center",
          left: "10%",
          orient: "vertical",
          textStyle: {
            color: "#fff",
          },
        },
        series: [
          {
            name: "考勤",
            type: "pie",
            top: "20",
            left: "30%",
            radius: ["40%", "70%"],
            avoidLabelOverlap: false,
            label: {
              show: false,
              position: "center",
            },
            emphasis: {
              itemStyle: {
                shadowColor: "rgba(255, 255, 255, 0.9)",
                shadowBlur: 20,
              },
              label: {
                show: true,
                fontSize: "18",
                fontWeight: "bold",
                color: "#fff",
                formatter: "{b}\n{c}人",
              },
            },
            labelLine: {
              show: false,
            },
            data: data,
          },
        ],
      };
      this.chartDom.setOption(option);

      this.chartDom.dispatchAction({
        type: "highlight",
        seriesIndex: 0,
        dataIndex: this.nowIndex,
      });

      clearInterval(this.timer);
      this.timer = setInterval(() => {
        this.chartDom.dispatchAction({
          type: "downplay",
          seriesIndex: 0,
          dataIndex: [0, 1, 2, 3],
        });
        this.nowIndex++;
        if (this.nowIndex > 3) {
          this.nowIndex = 0;
        }
        this.chartDom.dispatchAction({
          type: "highlight",
          seriesIndex: 0,
          dataIndex: this.nowIndex,
        });
      }, 3000);

      window.addEventListener("resize", () => {
        this.chartDom.resize();
      });
    },
    mouseover() {
      this.chartDom.dispatchAction({
        type: "downplay",
        seriesIndex: 0,
        dataIndex: [0, 1, 2, 3],
      });
      clearInterval(this.timer);
    },
    mouseout() {
      this.chartDom.dispatchAction({
        type: "highlight",
        seriesIndex: 0,
        dataIndex: this.nowIndex,
      });
      this.timer = setInterval(() => {
        this.chartDom.dispatchAction({
          type: "downplay",
          seriesIndex: 0,
          dataIndex: [0, 1, 2, 3],
        });
        this.nowIndex++;
        if (this.nowIndex > 3) {
          this.nowIndex = 0;
        }
        this.chartDom.dispatchAction({
          type: "highlight",
          seriesIndex: 0,
          dataIndex: this.nowIndex,
        });
      }, 3000);
    },
  },
  beforeDestroy() {
    clearInterval(this.timer);
  },
};
</script>

<style lang="less" scoped>
.kq-echart {
  width: 100%;
  height: 100%;
  position: relative;
  .eachert-box {
    width: 100%;
    height: 100%;
  }
}
</style>
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