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2026-02-02 20:36:54 +08:00
parent 21f4a0fa96
commit f4af5dded9
7 changed files with 727 additions and 74 deletions
--- a/components/analytics/AnalyticsPieChart.uvue
+++ b/components/analytics/AnalyticsPieChart.uvue
@@ -0,0 +1,115 @@
+<template>
+  <view class="chart-wrap" :style="{ height: heightPx }">
+    <EChartsView :option="chartOption" class="chart" />
+  </view>
+</template>
+
+<script lang="uts">
+import EChartsView from '@/uni_modules/charts/EChartsView.vue'
+
+export default {
+  components: {
+    EChartsView
+  },
+  props: {
+    items: { type: Array, default: () => [] },
+    height: { type: Number, default: 300 }
+  },
+  data() {
+    return {
+      heightPx: '300px',
+      chartOption: {} as any
+    }
+  },
+  watch: {
+    items: { handler() { this.updateOption() }, deep: true },
+    height: { 
+      handler() { 
+        this.heightPx = `${this.height}px`
+      } 
+    }
+  },
+  mounted() {
+    this.heightPx = `${this.height}px`
+    setTimeout(() => {
+      this.updateOption()
+    }, 200)
+  },
+  methods: {
+    toPlainObject(obj: any): any {
+      if (obj == null) return null
+      if (typeof obj !== 'object') return obj
+      if (Array.isArray(obj)) {
+        return obj.map((item) => this.toPlainObject(item))
+      }
+      const plain: any = {}
+      for (const key in obj) {
+        if (Object.prototype.hasOwnProperty.call(obj, key)) {
+          const value = obj[key]
+          if (typeof value === 'function' || key.startsWith('_') || key === 'toJSON') {
+            continue
+          }
+          if (value != null && typeof value === 'object' && !Array.isArray(value)) {
+            let isSimple = true
+            for (const k in value) {
+              if (typeof value[k] === 'object' && value[k] !== null) {
+                isSimple = false
+                break
+              }
+            }
+            plain[key] = isSimple ? { ...value } : this.toPlainObject(value)
+          } else {
+            plain[key] = value
+          }
+        }
+      }
+      return plain
+    },
+    updateOption() {
+      if (!this.items || this.items.length === 0) return
+
+      const data = (this.items as Array<any>).map((it) => {
+        return {
+          name: String(it.name),
+          value: Number(it.value),
+          itemStyle: this.toPlainObject(it.itemStyle)
+        }
+      })
+
+      const option = {
+        tooltip: { trigger: 'item', formatter: '{b}: {c} ({d}%)' },
+        legend: {
+          orient: 'vertical',
+          right: 10,
+          top: 'center',
+          itemWidth: 10,
+          itemHeight: 10,
+          textStyle: { fontSize: 11, color: '#666' }
+        },
+        series: [{
+          type: 'pie',
+          radius: ['45%', '70%'],
+          center: ['35%', '50%'],
+          data: data,
+          avoidLabelOverlap: true,
+          label: {
+            show: false
+          },
+          labelLine: { show: false },
+          itemStyle: {
+            borderWidth: 2,
+            borderColor: '#fff'
+          }
+        }]
+      }
+      this.chartOption = this.toPlainObject(option)
+    }
+  }
+}
+</script>
+
+<style scoped>
+.chart-wrap { width: 100%; position: relative; overflow: hidden; }
+.chart { width: 100%; height: 100%; position: absolute; top: 0; left: 0; }
+</style>
+