Initial commit

frontend/src/features/usage/components/UsageProviderTable.vue

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+<template>
+  <Card class="overflow-hidden">
+    <div class="px-3 py-2 border-b">
+      <h3 class="text-sm font-medium">按提供商分析</h3>
+    </div>
+    <Table class="text-sm">
+      <TableHeader>
+        <TableRow>
+          <TableHead class="h-8 px-2">提供商</TableHead>
+          <TableHead class="h-8 px-2 text-right">请求数</TableHead>
+          <TableHead class="h-8 px-2 text-right">Tokens</TableHead>
+          <TableHead class="h-8 px-2 text-right">费用</TableHead>
+          <TableHead class="h-8 px-2 text-right">成功率</TableHead>
+          <TableHead class="h-8 px-2 text-right">平均响应</TableHead>
+        </TableRow>
+      </TableHeader>
+      <TableBody>
+        <TableRow v-if="data.length === 0">
+          <TableCell :colspan="6" class="text-center py-6 text-muted-foreground px-2">
+            暂无提供商统计数据
+          </TableCell>
+        </TableRow>
+        <TableRow v-for="provider in data" :key="provider.provider">
+          <TableCell class="font-medium py-2 px-2">{{ provider.provider }}</TableCell>
+          <TableCell class="text-right py-2 px-2">{{ provider.requests }}</TableCell>
+          <TableCell class="text-right py-2 px-2">
+            <span>{{ formatTokens(provider.totalTokens) }}</span>
+          </TableCell>
+          <TableCell class="text-right py-2 px-2">
+            <div class="flex flex-col items-end text-xs gap-0.5">
+              <span class="text-primary font-medium">{{ formatCurrency(provider.totalCost) }}</span>
+              <span v-if="isAdmin && provider.actualCost !== undefined" class="text-muted-foreground text-[10px]">
+                {{ formatCurrency(provider.actualCost) }}
+              </span>
+            </div>
+          </TableCell>
+          <TableCell class="text-right py-2 px-2">
+            <span :class="getSuccessRateClass(provider.successRate)">{{ provider.successRate }}%</span>
+          </TableCell>
+          <TableCell class="text-right text-muted-foreground py-2 px-2">{{ provider.avgResponseTime }}</TableCell>
+        </TableRow>
+      </TableBody>
+    </Table>
+  </Card>
+</template>
+
+<script setup lang="ts">
+import Card from '@/components/ui/card.vue'
+import Badge from '@/components/ui/badge.vue'
+import Table from '@/components/ui/table.vue'
+import TableHeader from '@/components/ui/table-header.vue'
+import TableBody from '@/components/ui/table-body.vue'
+import TableRow from '@/components/ui/table-row.vue'
+import TableHead from '@/components/ui/table-head.vue'
+import TableCell from '@/components/ui/table-cell.vue'
+import { formatTokens, formatCurrency } from '@/utils/format'
+import type { ProviderStatsItem } from '../types'
+
+// 成功率样式 - 简化为两种状态
+function getSuccessRateClass(rate: number): string {
+  if (rate < 90) return 'text-destructive'
+  return ''  // 默认颜色
+}
+
+defineProps<{
+  data: ProviderStatsItem[]
+  isAdmin: boolean
+}>()
+</script>