大屏 环形图组件

project/dvui/layout/AiDvSummary/AiDvSummary.vue

@@ -13,6 +13,7 @@
   import Summary5 from './components/Summary5'
   import Summary6 from './components/Summary6'
   import Summary7 from './components/Summary7'
+  import Summary8 from './components/Summary8'
   import Summary9 from './components/Summary9'
   import Summary10 from './components/Summary10'
 
@@ -28,6 +29,7 @@
       Summary5,
       Summary6,
       Summary7,
+      Summary8,
       Summary9,
       Summary10
     },

project/dvui/layout/AiDvSummary/components/DonutChart.vue

@@ -0,0 +1,137 @@
+<template>
+  <div class="DonutChart" :id="id">
+    <canvas :id="canvasId"></canvas>
+    <div class="DonutChart-text">
+      <span>{{ ratio }}</span>
+      <i>%</i>
+    </div>
+  </div>
+</template>
+
+<script>
+  export default {
+    props: ['ratio'],
+
+    data () {
+      return {
+        id: `DonutChart-${Math.ceil(Math.random() * 10000)}`,
+        canvasId: `DonutChartCanvas-${Math.ceil(Math.random() * 10000)}`,
+        canvasWidth: 90,
+        canvasHeight: 90
+      }
+    },
+
+    mounted () {
+      this.$nextTick(() => {
+        this.init()
+      })
+    },
+
+    methods: {
+      drawLine(ctx, options) {
+        const { beginX, beginY, endX, endY, lineColor, lineWidth } = options
+        ctx.lineWidth = lineWidth
+        ctx.strokeStyle = lineColor
+        ctx.beginPath()
+        ctx.moveTo(beginX, beginY)
+        ctx.lineTo(endX, endY)
+        ctx.closePath()
+        ctx.stroke()
+      },
+
+      angle (a, i, ox, oy, or) {
+        var hudu = (2 * Math.PI / 360) * a * i
+        var x = ox + Math.sin(hudu) * or
+        var y = oy - Math.cos(hudu) * or
+        return x + '_' + y
+      },
+
+      mapColor (value) {
+        if (value < 25) {
+          return '#FFC139'
+        }
+
+        if (value < 50) {
+          return '#21E03E'
+        }
+
+        return '#05C8FF'
+      },
+
+      init () {
+        const ctx = document.querySelector(`#${this.canvasId}`).getContext('2d')
+        const canvasWidth = document.querySelector(`#${this.id}`).offsetWidth
+        const canvasHeight = document.querySelector(`#${this.id}`).offsetHeight
+        const angle = this.ratio / 100 * 2
+        let radian = 0
+
+        ctx.width = canvasWidth
+        ctx.height = canvasHeight
+        const x = canvasWidth / 2
+        const y = canvasHeight / 2
+        ctx.lineWidth = 4
+        ctx.strokeStyle = 'rgba(250, 140, 22, 0.5)'
+        ctx.beginPath();
+        ctx.arc(x, y, x - 8, 0, 2 * Math.PI)
+        ctx.stroke()
+
+        ctx.beginPath()
+        ctx.lineWidth = 8
+        ctx.strokeStyle = 'rgba(255, 225, 94, 1)'
+
+        if (this.ratio < 25) {
+          radian = 3 / 2 + angle
+          ctx.arc(x, y, x - 8, Math.PI + Math.PI / 2, Math.PI * radian, false)
+        } else if (this.ratio === 100) {
+          ctx.arc(x, y, x - 8, 0, Math.PI * 2)
+        } else {
+          radian = (this.ratio - 25) / 100 * 2
+          ctx.arc(x, y, x - 8, Math.PI + Math.PI / 2, Math.PI * radian, false)
+        }
+        ctx.stroke()
+      }
+    }
+  }
+</script>
+
+<style lang="scss" scoped>
+  .DonutChart {
+    position: relative;
+    width: 90px;
+    height: 90px;
+    overflow: hidden;
+
+    .DonutChart-text {
+      display: flex;
+      position: absolute;
+      justify-content: center;
+      top: 50%;
+      left: 50%;
+      z-index: 1;
+      transform: translate(-50%, -50%);
+
+      span {
+        font-size: 26px;
+        font-weight: bold;
+        color: #CEE1FF;
+        text-shadow: 0px 2px 4px rgba(117, 9, 9, 0.1);
+        background: linear-gradient(180deg, #FFF6C7 0%, #FF9A02 100%);
+        -webkit-background-clip: text;
+        -webkit-text-fill-color: transparent;
+      }
+
+      i {
+        position: relative;
+        bottom: -8px;
+        font-size: 16px;
+        font-style: normal;
+        font-weight: bold;
+        color: #CEE1FF;
+        text-shadow: 0px 2px 4px rgba(117, 9, 9, 0.1);
+        background: linear-gradient(180deg, #FFF6C7 0%, #FF9A02 100%);
+        -webkit-background-clip: text;
+        -webkit-text-fill-color: transparent;
+      }
+    }
+  }
+</style>

project/dvui/layout/AiDvSummary/components/Summary8.vue

@@ -0,0 +1,127 @@
+<template>
+  <div class="Summary8">
+    <div class="summary5-item" v-for="(item, index) in arr" :key="index">
+      <div class="left">
+        <DonutChart :ratio="item.ratio"></DonutChart>
+      </div>
+      <div class="right">
+        <h2>{{ item[keys] }}</h2>
+        <p>{{ item[value] }}</p>
+      </div>
+    </div>
+  </div>
+</template>
+
+<script>
+  import DonutChart from './DonutChart'
+  export default {
+    name: 'Summary8',
+
+    components: {
+      DonutChart
+    },
+
+    props: {
+      data: {
+        type: Array,
+        default: () => []
+      },
+
+      keys: {
+        type: String,
+        default: 'key'
+      },
+
+      value: {
+        type: String,
+        default: 'value'
+      }
+    },
+
+    watch: {
+      data: {
+        handler (v) {
+          if (!v.length) return []
+
+          let sum = 0
+          v.forEach(x => {
+            sum = x[this.value] + sum
+          })
+
+          this.arr = v.map(v => {
+            console.log(v[this.value] / sum)
+            return {
+              ...v,
+              ratio: Number((v[this.value] / sum).toFixed(2)) * 100
+            }
+          })
+
+          console.log(this.arr)
+        },
+        immediate: true,
+        deep: true
+      }
+    },
+
+    data () {
+      return {
+        arr: []
+      }
+    },
+
+    methods: {
+    }
+  }
+</script>
+
+<style lang="scss" scoped>
+  .Summary8 {
+    display: flex;
+    flex-wrap: wrap;
+    justify-content: space-between;
+    align-items: center;
+    width: 100%;
+    height: 100%;
+
+    div {
+      box-sizing: border-box;
+    }
+
+    .summary5-item {
+      display: flex;
+      position: relative;
+      align-items: center;
+
+      .right {
+        min-width: 90px;
+      }
+
+      .left {
+        display: flex;
+        position: relative;
+        align-items: center;
+        justify-content: center;
+        margin-right: 20px;
+        width: 90px;
+        height: 90px;
+      }
+
+      h2 {
+        margin-bottom: 12px;
+        color: #fff;
+        font-size: 16px;
+        font-weight: normal;
+      }
+
+      p {
+        font-size: 26px;
+        font-weight: bold;
+        color: #CEE1FF;
+        text-shadow: 0px 2px 4px rgba(117, 9, 9, 0.1);
+        background: linear-gradient(180deg, #FFF6C7 0%, #FF9A02 100%);
+        -webkit-background-clip: text;
+        -webkit-text-fill-color: transparent;
+      }
+    }
+  }
+</style>