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src/components/echarts/moreLineEcharts.vue

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+<template>
+  <div style="height:100%;width:100%" :id="echartsId"></div>
+</template>
+<script setup>
+import * as echarts from "echarts";
+import { onMounted, ref, reactive, defineProps, onUnmounted, watch, nextTick } from "vue";
+
+const props = defineProps({
+  echartsId:{
+    type:String,
+    default:'morelineId'
+  },
+  smooth:{
+    type:Boolean,
+    default:false 
+  },
+  data:{
+    type:Object,
+    default:{
+      color:[], //['#EB00FF','#F57100']
+      list:[], //[{label:'总数',val:[80,70,60,50]}, {label:'已处置',val:[70,40,30,80]}, ]
+      xData:[] ,//['09-01','09-02','09-03','09-04']
+    }
+  }
+});
+watch(()=>props.data,val=>{
+  nextTick(()=>{ 
+      init(val)
+   })
+},{immediate:true,deep:true})
+
+
+// 初始化
+function init (val) {
+  let color = val.color;
+  let list = val.list
+  let series = list.map((item ,idx)=>{
+    return {
+      type: "line",
+      name:item.label,
+      data:item.val,
+      itemStyle:{normal: { color: color[idx]  }},
+      smooth:props.smooth,
+      showSymbol:false,
+      areaStyle: {
+          normal: {
+              color: new echarts.graphic.LinearGradient(0, 0, 0, 1, [{
+                  offset: 0,
+                  color: 'rgba(199, 237, 250,0.5)'
+              }, {
+                  offset: 1,
+                  color: 'rgba(199, 237, 250,0.2)'
+              }], false)
+          }
+      },
+    }
+  })
+  chartFn(series)
+}
+
+function chartFn(series) {
+  var myChart = echarts.init(document.getElementById(props.echartsId));
+  var option = {
+    grid: {
+      top: "20%",
+      right: "6%",
+      left: "2%",
+      bottom: "3%",
+      containLabel:true
+    },
+    legend:{
+      data:props.data.list.map(v=>{return v.label}),
+      textStyle: { color: "#333"},
+      icon:'diamond', //arrow,diamond,roundRect,rect,none,circle
+      itemWidth:16,
+      itemHeight:8,
+      itemGap:5
+    },
+    tooltip: {
+      trigger: "axis",
+      axisPointer: {
+        lineStyle: { color: "#ddd" }
+      },
+      backgroundColor: "rgba(255,255,255,1)",
+      padding: [5, 10],
+      textStyle: { color: "#7588E4" },
+      extraCssText: "box-shadow: 0 0 5px rgba(0,0,0,0.3)"
+    },
+    xAxis: {
+      type: "category",
+      data:props.data.xData,
+      axisTick: { show: false },
+      axisLine: { show: false },
+      axisLabel: { color: "#fff" },
+      axisLabel: {
+        show: true,
+        color: "#333",
+        interval: 0, // 强制显示所有标签
+        // rotate: 15, // 标签旋转角度
+        // formatter: function(value) { return value.split("").join("\n");}
+      }
+    },
+    yAxis: {
+      type: "value",
+      splitLine: {
+        show:true ,
+        lineStyle: {
+          type:'dashed',
+          color: "rgba(14,95,255,0.5)"
+        }
+      },
+      axisTick: { show: false },
+      axisLine: { show: false },
+      axisLabel: { color: "#333" },
+    },
+    series:series
+  };
+  option && myChart.setOption(option);
+  window.addEventListener('resize',function(){
+    myChart.resize();
+  })
+}
+</script>
+
+<style lang="scss" scoped>
+
+</style>