fix: 初始化时不显示日期范围变化提示

重构前端AI推荐组件，移除本地过滤逻辑，改为从后端获取日期范围内的数据
新增AI服务模块，包含Prompt和推荐逻辑
为投标服务添加按日期范围查询接口
统一各爬虫服务的baseURL格式

.env

@@ -11,4 +11,7 @@ PROXY_HOST=127.0.0.1
 PROXY_PORT=3211
 
 # 日志级别（可选）：error, warn, info, debug, verbose
-LOG_LEVEL=info
+LOG_LEVEL=info
+
+# OpenAI API Key (用于 AI 推荐)
+ARK_API_KEY=a63d58b6-cf56-434b-8a42-5c781ba0822a

.env.example

@@ -13,4 +13,7 @@ PROXY_PORT=6000
 # PROXY_PASSWORD=
 
 # 日志级别（可选）：error, warn, info, debug, verbose
-LOG_LEVEL=info
+LOG_LEVEL=info
+
+# OpenAI API Key (用于 AI 推荐)
+ARK_API_KEY=your_openai_api_key_here

frontend/.env

@@ -0,0 +1,2 @@
+# ARK API Key (用于 AI 推荐)
+VITE_ARK_API_KEY=a63d58b6-cf56-434b-8a42-5c781ba0822a

frontend/.env.example

@@ -0,0 +1,2 @@
+# OpenAI API Key (用于 AI 推荐)
+VITE_OPENAI_API_KEY=your_openai_api_key_here

frontend/package.json

@@ -12,6 +12,7 @@
     "@element-plus/icons-vue": "^2.3.2",
     "axios": "^1.13.2",
     "element-plus": "^2.13.1",
+    "openai": "^6.16.0",
     "vue": "^3.5.24"
   },
   "devDependencies": {

frontend/src/App.vue

@@ -15,10 +15,14 @@
           <span>Dashboard</span>
         </el-menu-item>
         <el-menu-item index="2">
+          <el-icon><MagicStick /></el-icon>
+          <span>Dashboard AI</span>
+        </el-menu-item>
+        <el-menu-item index="3">
           <el-icon><Document /></el-icon>
           <span>Bids</span>
         </el-menu-item>
-        <el-menu-item index="3">
+        <el-menu-item index="4">
           <el-icon><Setting /></el-icon>
           <span>Keywords</span>
         </el-menu-item>
@@ -41,9 +45,14 @@
           @refresh="fetchData"
         />
 
-        <Bids
+        <DashboardAI
           v-if="activeIndex === '2'"
           :bids="bids"
+        />
+
+        <Bids
+          v-if="activeIndex === '3'"
+          :bids="bids"
           :source-options="sourceOptions"
           :loading="loading"
           :total="total"
@@ -51,7 +60,7 @@
         />
 
         <Keywords
-          v-if="activeIndex === '3'"
+          v-if="activeIndex === '4'"
           :keywords="keywords"
           :loading="loading"
           @refresh="fetchData"
@@ -64,8 +73,9 @@
 <script setup lang="ts">
 import { ref, onMounted } from 'vue'
 import axios from 'axios'
-import { DataBoard, Document, Setting } from '@element-plus/icons-vue'
+import { DataBoard, Document, Setting, MagicStick } from '@element-plus/icons-vue'
 import Dashboard from './components/Dashboard.vue'
+import DashboardAI from './components/Dashboard-AI.vue'
 import Bids from './components/Bids.vue'
 import Keywords from './components/Keywords.vue'
 

frontend/src/components/Bids.vue

@@ -76,3 +76,14 @@ const handleSizeChange = (size: number) => {
   emit('fetch', currentPage.value, pageSize.value, selectedSource.value || undefined)
 }
 </script>
+
+<style scoped>
+a {
+  text-decoration: none;
+  color: inherit;
+}
+
+a:hover {
+  color: #409eff;
+}
+</style>

frontend/src/components/Dashboard-AI.vue

@@ -0,0 +1,270 @@
+<template>
+  <div>
+    <div style="display: flex; justify-content: space-between; align-items: center; margin-bottom: 20px;">
+      <h2 style="margin: 0;">Dashboard AI</h2>
+      <el-button type="primary" :loading="loading" @click="fetchAIRecommendations">
+        <el-icon style="margin-right: 5px"><MagicStick /></el-icon>
+        获取 AI 推荐
+      </el-button>
+    </div>
+    <div style="display: flex; justify-content: space-between; align-items: center; margin-bottom: 10px;">
+      <h3 style="margin: 0;">选择日期范围</h3>
+      <div style="display: flex; gap: 10px;">
+        <el-date-picker
+          v-model="dateRange"
+          type="daterange"
+          range-separator="To"
+          start-placeholder="Start Date"
+          end-placeholder="End Date"
+          format="YYYY-MM-DD"
+          value-format="YYYY-MM-DD"
+          clearable
+          style="width: 240px;"
+        />
+        <el-button type="primary" @click="setLast3Days">3天</el-button>
+        <el-button type="primary" @click="setLast7Days">7天</el-button>
+        <el-button type="success" :loading="bidsLoading" @click="fetchBidsByDateRange">
+          <el-icon style="margin-right: 5px"><List /></el-icon>
+          列出时间范围内所有工程
+        </el-button>
+      </div>
+    </div>
+    <el-row :gutter="20">
+      <el-col :span="24">
+        <el-card class="box-card" shadow="hover">
+          <template #header>
+            <div class="card-header">
+              <span>AI 推荐项目</span>
+              <el-tag type="success">{{ aiRecommendations.length }} 个推荐</el-tag>
+            </div>
+          </template>
+          <div v-if="loading" style="text-align: center; padding: 40px;">
+            <el-icon class="is-loading" :size="30"><Loading /></el-icon>
+            <p style="margin-top: 10px; color: #909399;">AI 正在分析中...</p>
+          </div>
+          <div v-else-if="aiRecommendations.length === 0" style="text-align: center; padding: 40px; color: #909399;">
+            <el-icon :size="40"><InfoFilled /></el-icon>
+            <p style="margin-top: 10px;">暂无 AI 推荐项目</p>
+            <p style="font-size: 12px; margin-top: 5px;">点击上方按钮获取 AI 推荐</p>
+          </div>
+          <div v-else>
+            <el-table :data="aiRecommendations" style="width: 100%" size="small">
+              <el-table-column prop="title" label="项目名称">
+                <template #default="scope">
+                  <a :href="scope.row.url" target="_blank">{{ scope.row.title }}</a>
+                </template>
+              </el-table-column>
+              <el-table-column prop="source" label="来源" width="200" />
+              <el-table-column prop="confidence" label="推荐度" width="120">
+                <template #default="scope">
+                  <el-tag :type="getConfidenceType(scope.row.confidence)">
+                    {{ scope.row.confidence }}%
+                  </el-tag>
+                </template>
+              </el-table-column>
+            </el-table>
+          </div>
+        </el-card>
+      </el-col>
+    </el-row>
+    <el-row v-if="showAllBids" :gutter="20" style="margin-top: 20px;">
+      <el-col :span="24">
+        <el-card class="box-card" shadow="hover">
+          <template #header>
+            <div class="card-header">
+              <span>时间范围内所有工程</span>
+              <el-tag type="info">{{ bidsByDateRange.length }} 个工程</el-tag>
+            </div>
+          </template>
+          <div v-if="bidsLoading" style="text-align: center; padding: 40px;">
+            <el-icon class="is-loading" :size="30"><Loading /></el-icon>
+            <p style="margin-top: 10px; color: #909399;">加载中...</p>
+          </div>
+          <div v-else-if="bidsByDateRange.length === 0" style="text-align: center; padding: 40px; color: #909399;">
+            <el-icon :size="40"><InfoFilled /></el-icon>
+            <p style="margin-top: 10px;">该时间范围内暂无工程</p>
+          </div>
+          <div v-else>
+            <el-table :data="bidsByDateRange" style="width: 100%" size="small">
+              <el-table-column prop="title" label="项目名称">
+                <template #default="scope">
+                  <a :href="scope.row.url" target="_blank">{{ scope.row.title }}</a>
+                </template>
+              </el-table-column>
+              <el-table-column prop="source" label="来源" width="200" />
+              <el-table-column prop="publishDate" label="发布日期" width="180">
+                <template #default="scope">
+                  {{ formatDate(scope.row.publishDate) }}
+                </template>
+              </el-table-column>
+            </el-table>
+          </div>
+        </el-card>
+      </el-col>
+    </el-row>
+  </div>
+</template>
+
+<script setup lang="ts">
+import { ref } from 'vue'
+import axios from 'axios'
+import { ElMessage } from 'element-plus'
+import { MagicStick, Loading, InfoFilled, List } from '@element-plus/icons-vue'
+
+
+interface AIRecommendation {
+  title: string
+  url: string
+  source: string
+  confidence: number
+}
+
+interface Props {
+  bids: any[]
+}
+
+const props = defineProps<Props>()
+
+const loading = ref(false)
+const aiRecommendations = ref<AIRecommendation[]>([])
+const dateRange = ref<[string, string] | null>(null)
+const showAllBids = ref(false)
+const bidsLoading = ref(false)
+const bidsByDateRange = ref<any[]>([])
+
+// 设置日期范围为最近3天
+const setLast3Days = () => {
+  const endDate = new Date()
+  const startDate = new Date()
+  startDate.setDate(startDate.getDate() - 2) // 最近3天（包括今天）
+
+  const formatDateForPicker = (date: Date) => {
+    const year = date.getFullYear()
+    const month = String(date.getMonth() + 1).padStart(2, '0')
+    const day = String(date.getDate()).padStart(2, '0')
+    return `${year}-${month}-${day}`
+  }
+
+  dateRange.value = [formatDateForPicker(startDate), formatDateForPicker(endDate)]
+  fetchBidsByDateRange()
+}
+
+// 设置日期范围为最近7天
+const setLast7Days = () => {
+  const endDate = new Date()
+  const startDate = new Date()
+  startDate.setDate(startDate.getDate() - 6) // 最近7天（包括今天）
+
+  const formatDateForPicker = (date: Date) => {
+    const year = date.getFullYear()
+    const month = String(date.getMonth() + 1).padStart(2, '0')
+    const day = String(date.getDate()).padStart(2, '0')
+    return `${year}-${month}-${day}`
+  }
+
+  dateRange.value = [formatDateForPicker(startDate), formatDateForPicker(endDate)]
+  fetchBidsByDateRange()
+}
+
+// 获取 AI 推荐项目
+const fetchAIRecommendations = async () => {
+  loading.value = true
+  try {
+    // 准备发送给后端的数据（只包含 title）
+    const bidsData = bidsByDateRange.value.map(bid => ({
+      title: bid.title
+    }))
+
+    // 调用后端 API
+    const response = await axios.post('/api/ai/recommendations', {
+      bids: bidsData
+    })
+
+    // 根据 title 从 bidsByDateRange 中更新 url 和 source
+    aiRecommendations.value = response.data.map((rec: any) => {
+      const bid = bidsByDateRange.value.find(b => b.title === rec.title)
+      return {
+        title: rec.title,
+        url: bid?.url || '',
+        source: bid?.source || '',
+        confidence: rec.confidence
+      }
+    })
+
+    ElMessage.success('AI 推荐获取成功')
+  } catch (error: any) {
+    ElMessage.error('获取 AI 推荐失败')
+  } finally {
+    loading.value = false
+  }
+}
+
+// 获取时间范围内的所有工程
+const fetchBidsByDateRange = async () => {
+  if (!dateRange.value || dateRange.value.length !== 2) {
+    ElMessage.warning('请先选择日期范围')
+    return
+  }
+
+  showAllBids.value = true
+  bidsLoading.value = true
+  try {
+    const [startDate, endDate] = dateRange.value
+
+    // 检查 endDate 是否是今天
+    const today = new Date()
+    const todayStr = `${today.getFullYear()}-${String(today.getMonth() + 1).padStart(2, '0')}-${String(today.getDate()).padStart(2, '0')}`
+
+    // 如果 endDate 是今天，则不传递 endDate 参数（不限制截止时间）
+    const params: any = { startDate }
+    if (endDate !== todayStr) {
+      params.endDate = endDate
+    }
+
+    const response = await axios.get('/api/bids/by-date-range', { params })
+    bidsByDateRange.value = response.data
+    ElMessage.success(`获取成功，共 ${response.data.length} 个工程`)
+  } catch (error: any) {
+    ElMessage.error('获取工程列表失败')
+  } finally {
+    bidsLoading.value = false
+  }
+}
+
+// 格式化日期，只显示年月日
+const formatDate = (dateStr: string) => {
+  if (!dateStr) return ''
+  const date = new Date(dateStr)
+  const year = date.getFullYear()
+  const month = String(date.getMonth() + 1).padStart(2, '0')
+  const day = String(date.getDate()).padStart(2, '0')
+  return `${year}-${month}-${day}`
+}
+
+// 根据推荐度返回标签类型
+const getConfidenceType = (confidence: number) => {
+  if (confidence >= 90) return 'success'
+  if (confidence >= 70) return 'warning'
+  return 'info'
+}
+
+// 初始化时设置默认日期范围为最近3天
+setLast3Days()
+</script>
+
+<style scoped>
+.card-header {
+  display: flex;
+  justify-content: space-between;
+  align-items: center;
+}
+
+a {
+  text-decoration: none;
+  color: inherit;
+}
+
+a:hover {
+  color: #409eff;
+}
+</style>

frontend/src/components/Dashboard.vue

@@ -11,22 +11,31 @@
       <el-col :span="24">
         <el-card class="box-card" shadow="hover">
           <template #header>
-            <div class="card-header">
+            <div class="card-header" @click="toggleHighPriority" style="cursor: pointer;">
               <span>High Priority Bids</span>
-              <el-tag type="danger">Top 10</el-tag>
+              <div style="display: flex; align-items: center; gap: 10px;">
+                <el-tag type="danger">Top 10</el-tag>
+                <el-icon :style="{ transform: highPriorityCollapsed ? 'rotate(-90deg)' : 'rotate(0deg)', transition: 'transform 0.3s' }">
+                  <ArrowDown />
+                </el-icon>
+              </div>
             </div>
           </template>
-          <el-table :data="highPriorityBids" style="width: 100%" size="small">
+          <el-collapse-transition>
-            <el-table-column prop="title" label="Title">
+            <div v-show="!highPriorityCollapsed">
-              <template #default="scope">
+              <el-table :data="highPriorityBids" style="width: 100%" size="small">
-                <a :href="scope.row.url" target="_blank">{{ scope.row.title }}</a>
+                <el-table-column prop="title" label="Title">
-              </template>
+                  <template #default="scope">
-            </el-table-column>
+                    <a :href="scope.row.url" target="_blank">{{ scope.row.title }}</a>
-            <el-table-column prop="source" label="Source" width="240" />
+                  </template>
-            <el-table-column prop="publishDate" label="Date" width="120">
+                </el-table-column>
-              <template #default="scope">{{ formatDate(scope.row.publishDate) }}</template>
+                <el-table-column prop="source" label="Source" width="240" />
-            </el-table-column>
+                <el-table-column prop="publishDate" label="Date" width="120">
-          </el-table>
+                  <template #default="scope">{{ formatDate(scope.row.publishDate) }}</template>
+                </el-table-column>
+              </el-table>
+            </div>
+          </el-collapse-transition>
         </el-card>
       </el-col>
     </el-row>
@@ -83,7 +92,7 @@
 import { ref, computed, watch } from 'vue'
 import axios from 'axios'
 import { ElMessage } from 'element-plus'
-import { Refresh } from '@element-plus/icons-vue'
+import { Refresh, ArrowDown } from '@element-plus/icons-vue'
 
 interface Props {
   todayBids: any[]
@@ -103,6 +112,20 @@ const emit = defineEmits<{
 const selectedKeywords = ref<string[]>([])
 const dateRange = ref<[string, string] | null>(null)
 const crawling = ref(false)
+const highPriorityCollapsed = ref(false)
+const isInitialized = ref(false)
+
+// 切换 High Priority Bids 的折叠状态
+const toggleHighPriority = () => {
+  highPriorityCollapsed.value = !highPriorityCollapsed.value
+}
+
+// 监听 highPriorityBids，当没有数据时自动折叠
+watch(() => props.highPriorityBids, (newBids) => {
+  if (newBids.length === 0) {
+    highPriorityCollapsed.value = true
+  }
+}, { immediate: true })
 
 // 从 localStorage 加载保存的关键字
 const loadSavedKeywords = () => {
@@ -123,6 +146,12 @@ watch(selectedKeywords, (newKeywords) => {
 
 // 监听日期范围变化并显示提示
 watch(dateRange, () => {
+  // 初始化时不显示提示
+  if (!isInitialized.value) {
+    isInitialized.value = true
+    return
+  }
+
   const totalBids = props.todayBids.length
   const filteredCount = filteredTodayBids.value.length
 
@@ -207,9 +236,7 @@ const setLast3Days = () => {
   const filteredCount = result.length
 
   console.log('setLast3Days result, totalBids:', totalBids, 'filteredCount:', filteredCount)
-  if (totalBids === 0) {
+  // 只在手动点击按钮时显示提示，初始化时不显示
-    ElMessage.warning('暂无数据，请先抓取数据')
-  }
 }
 
 // 设置日期范围为最近7天
@@ -244,9 +271,7 @@ const setLast7Days = () => {
   const filteredCount = result.length
 
   console.log('setLast7Days result, totalBids:', totalBids, 'filteredCount:', filteredCount)
-  if (totalBids === 0) {
+  // 只在手动点击按钮时显示提示，初始化时不显示
-    ElMessage.warning('暂无数据，请先抓取数据')
-  }
 }
 
 const handleCrawl = async () => {
@@ -268,6 +293,9 @@ const handleCrawl = async () => {
 
 // 初始化时加载保存的关键字
 loadSavedKeywords()
+
+// 初始化时设置默认日期范围为最近3天
+setLast3Days()
 </script>
 
 <style scoped>
@@ -276,4 +304,13 @@ loadSavedKeywords()
   justify-content: space-between;
   align-items: center;
 }
+
+a {
+  text-decoration: none;
+  color: inherit;
+}
+
+a:hover {
+  color: #409eff;
+}
 </style>

frontend/tsconfig.app.json

@@ -12,5 +12,5 @@
     "noFallthroughCasesInSwitch": true,
     "noUncheckedSideEffectImports": true
   },
-  "include": ["src/**/*.ts", "src/**/*.tsx", "src/**/*.vue"]
+  "include": ["src/**/*.ts", "src/**/*.tsx", "src/**/*.vue", "../src/ai/Prompt.ts"]
 }

package.json

@@ -20,7 +20,7 @@
     "test:e2e": "jest --config ./test/jest-e2e.json",
     "crawl": "ts-node -r tsconfig-paths/register src/scripts/crawl.ts",
     "update-source": "ts-node -r tsconfig-paths/register src/scripts/update-source.ts",
-    "web":"npm --prefix frontend run build"
+    "web": "npm --prefix frontend run build"
   },
   "dependencies": {
     "@nestjs/common": "^11.0.1",
@@ -35,6 +35,7 @@
     "class-validator": "^0.14.3",
     "dotenv": "^16.4.7",
     "mysql2": "^3.16.0",
+    "openai": "^6.16.0",
     "puppeteer": "^24.34.0",
     "puppeteer-extra": "^3.3.6",
     "puppeteer-extra-plugin-stealth": "^2.11.2",

src/ai/Prompt.ts

@@ -0,0 +1 @@
+export const PromptString: string = `先给我说你统计了多少个项目。我只对辽宁、山东、江苏、浙江、福建、广东、广西、河北这些地方的海上风电、海上光伏、漂浮式光伏、滩涂光伏、滩涂风电、渔光互补项目感兴趣。从我提供的这些工程里面找到我感兴趣的工程。如果没有推荐的，也要给出思考过程。`;

src/ai/ai.controller.ts

@@ -0,0 +1,20 @@
+import { Controller, Post, Body } from '@nestjs/common';
+import { AiService } from './ai.service';
+
+export class BidDataDto {
+  title: string;
+}
+
+export class BidsRequestDto {
+  bids: BidDataDto[];
+}
+
+@Controller('api/ai')
+export class AiController {
+  constructor(private readonly aiService: AiService) {}
+
+  @Post('recommendations')
+  async getRecommendations(@Body() request: BidsRequestDto) {
+    return this.aiService.getRecommendations(request.bids);
+  }
+}

src/ai/ai.module.ts

@@ -0,0 +1,12 @@
+import { Module } from '@nestjs/common';
+import { ConfigModule } from '@nestjs/config';
+import { AiController } from './ai.controller';
+import { AiService } from './ai.service';
+
+@Module({
+  imports: [ConfigModule],
+  controllers: [AiController],
+  providers: [AiService],
+  exports: [AiService],
+})
+export class AiModule {}

src/ai/ai.service.ts

@@ -0,0 +1,83 @@
+import { Injectable, Logger } from '@nestjs/common';
+import { ConfigService } from '@nestjs/config';
+import OpenAI from 'openai';
+import { PromptString } from './Prompt';
+
+export interface BidDataDto {
+  title: string;
+}
+
+export interface AIRecommendation {
+  title: string;
+  url: string;
+  source: string;
+  confidence: number;
+}
+
+@Injectable()
+export class AiService {
+  private readonly logger = new Logger(AiService.name);
+  private openai: OpenAI;
+
+  constructor(private readonly configService: ConfigService) {
+    const apiKey = this.configService.get<string>('ARK_API_KEY');
+    this.openai = new OpenAI({
+      apiKey: apiKey || '',
+      baseURL: 'https://ark.cn-beijing.volces.com/api/v3',
+      timeout: 120000, // 120秒超时
+    });
+  }
+
+  async getRecommendations(bids: BidDataDto[]): Promise<AIRecommendation[]> {
+    this.logger.log('开始获取 AI 推荐');
+    this.logger.log(`发送给 AI 的数据数量: ${bids.length}`);
+
+    try {
+      const prompt =PromptString+ `请根据以下投标项目标题列表，推荐最值得关注的 5-10 个项目。请以 JSON 格式返回，格式如下：
+[
+  {
+    "title": "项目标题",
+    "confidence": 推荐度(0-100的数字)
+  }
+]
+
+投标项目标题列表：
+${JSON.stringify(bids.map(b => b.title), null, 2)}`;
+      this.logger.log('发给AI的内容',prompt);
+      const completion = await this.openai.chat.completions.create({
+        model: 'doubao-seed-1-6-lite-251015',
+        max_tokens: 32768,
+        reasoning_effort: 'medium',
+        messages: [
+          {
+            role: 'user',
+            content: prompt,
+          },
+        ],
+      });
+
+      this.logger.log('AI API 响应成功');
+
+      const aiContent = completion.choices[0].message.content;
+      this.logger.log('AI 返回的内容:', aiContent);
+
+      if (!aiContent) {
+        throw new Error('AI 返回内容为空');
+      }
+
+      const jsonMatch = aiContent.match(/\[[\s\S]*\]/);
+
+      if (!jsonMatch) {
+        throw new Error('AI 返回格式不正确');
+      }
+
+      const recommendations = JSON.parse(jsonMatch[0]) as AIRecommendation[];
+      this.logger.log(`解析后的推荐结果: ${recommendations.length} 个`);
+
+      return recommendations;
+    } catch (error) {
+      this.logger.error('获取 AI 推荐失败:', error);
+      throw error;
+    }
+  }
+}

src/app.module.ts

@@ -9,6 +9,7 @@ import { KeywordsModule } from './keywords/keywords.module';
 import { CrawlerModule } from './crawler/crawler.module';
 import { TasksModule } from './schedule/schedule.module';
 import { LoggerModule } from './common/logger/logger.module';
+import { AiModule } from './ai/ai.module';
 
 @Module({
   imports: [
@@ -16,7 +17,7 @@ import { LoggerModule } from './common/logger/logger.module';
     ScheduleModule.forRoot(),
     ServeStaticModule.forRoot({
       rootPath: join(__dirname, '..', 'frontend', 'dist'),
-      exclude: ['/api*'],
+      exclude: ['/api/(.*)'],
     }),
     LoggerModule,
     DatabaseModule,
@@ -24,6 +25,7 @@ import { LoggerModule } from './common/logger/logger.module';
     KeywordsModule,
     CrawlerModule,
     TasksModule,
+    AiModule,
   ],
 })
 export class AppModule {}

src/bids/controllers/bid.controller.ts

@@ -24,4 +24,9 @@ export class BidsController {
   getSources() {
     return this.bidsService.getSources();
   }
+
+  @Get('by-date-range')
+  getByDateRange(@Query('startDate') startDate: string, @Query('endDate') endDate: string) {
+    return this.bidsService.getBidsByDateRange(startDate, endDate);
+  }
 }

src/bids/services/bid.service.ts

@@ -87,4 +87,22 @@ export class BidsService {
       .orderBy('bid.publishDate', 'DESC')
       .getMany();
   }
+
+  async getBidsByDateRange(startDate?: string, endDate?: string) {
+    const qb = this.bidRepository.createQueryBuilder('bid');
+
+    if (startDate) {
+      const start = new Date(startDate);
+      start.setHours(0, 0, 0, 0);
+      qb.andWhere('bid.publishDate >= :startDate', { startDate: start });
+    }
+
+    if (endDate) {
+      const end = new Date(endDate);
+      end.setHours(23, 59, 59, 999);
+      qb.andWhere('bid.publishDate <= :endDate', { endDate: end });
+    }
+
+    return qb.orderBy('bid.publishDate', 'DESC').getMany();
+  }
 }

src/crawler/services/cdt_target.ts

@@ -55,7 +55,7 @@ export interface CdtResult {
 export const CdtCrawler = {
   name: '中国大唐集团电子商务平台',
   url: 'https://tang.cdt-ec.com/home/index.html',
-  baseUrl: 'https://tang.cdt-ec.com',
+  baseUrl: 'https://tang.cdt-ec.com/',
 
   async crawl(browser: puppeteer.Browser): Promise<CdtResult[]> {
     const logger = new Logger('CdtCrawler');

src/crawler/services/ceic_target.ts

@@ -50,7 +50,7 @@ async function simulateHumanScrolling(page: puppeteer.Page) {
 export const CeicCrawler = {
   name: '国家能源集团生态协作平台',
   url: 'https://ceic.dlnyzb.com/3001',
-  baseUrl: 'https://ceic.dlnyzb.com',
+  baseUrl: 'https://ceic.dlnyzb.com/',
 
   async crawl(browser: puppeteer.Browser): Promise<ChdtpResult[]> {
     const logger = new Logger('CeicCrawler');

src/crawler/services/cgnpc_target.ts

@@ -55,7 +55,7 @@ export interface CgnpcResult {
 export const CgnpcCrawler = {
   name: '中广核电子商务平台',
   url: 'https://ecp.cgnpc.com.cn/zbgg.html',
-  baseUrl: 'https://ecp.cgnpc.com.cn',
+  baseUrl: 'https://ecp.cgnpc.com.cn/',
 
   async crawl(browser: puppeteer.Browser): Promise<CgnpcResult[]> {
     const logger = new Logger('CgnpcCrawler');

src/crawler/services/chng_target_stealth.spec.ts

@@ -1,157 +0,0 @@
-import { ChngCrawler } from './chng_target';
-import puppeteer from 'puppeteer-extra';
-import StealthPlugin from 'puppeteer-extra-plugin-stealth';
-import type { Browser, Page } from 'puppeteer';
-
-// 使用 stealth 插件增强反爬虫能力
-puppeteer.use(StealthPlugin());
-
-// Increase timeout to 180 seconds for slow sites and stealth mode
-jest.setTimeout(180000);
-
-// 获取代理配置
-const getProxyArgs = (): string[] => {
-  const proxyHost = process.env.PROXY_HOST;
-  const proxyPort = process.env.PROXY_PORT;
-  const proxyUsername = process.env.PROXY_USERNAME;
-  const proxyPassword = process.env.PROXY_PASSWORD;
-
-  if (proxyHost && proxyPort) {
-    const args = [`--proxy-server=${proxyHost}:${proxyPort}`];
-    if (proxyUsername && proxyPassword) {
-      args.push(`--proxy-auth=${proxyUsername}:${proxyPassword}`);
-    }
-    return args;
-  }
-  return [];
-};
-
-// 模拟人类鼠标移动
-async function simulateHumanMouseMovement(page: Page) {
-  const viewport = page.viewport();
-  if (!viewport) return;
-
-  const movements = 5 + Math.floor(Math.random() * 5); // 5-10次随机移动
-
-  for (let i = 0; i < movements; i++) {
-    const x = Math.floor(Math.random() * viewport.width);
-    const y = Math.floor(Math.random() * viewport.height);
-    
-    await page.mouse.move(x, y, {
-      steps: 10 + Math.floor(Math.random() * 20) // 10-30步，使移动更平滑
-    });
-    
-    // 随机停顿 100-500ms
-    await new Promise(r => setTimeout(r, 100 + Math.random() * 400));
-  }
-}
-
-// 模拟人类滚动
-async function simulateHumanScrolling(page: Page) {
-  const scrollCount = 3 + Math.floor(Math.random() * 5); // 3-7次滚动
-
-  for (let i = 0; i < scrollCount; i++) {
-    const scrollDistance = 100 + Math.floor(Math.random() * 400); // 100-500px
-    
-    await page.evaluate((distance) => {
-      window.scrollBy({
-        top: distance,
-        behavior: 'smooth'
-      });
-    }, scrollDistance);
-
-    // 随机停顿 500-1500ms
-    await new Promise(r => setTimeout(r, 500 + Math.random() * 1000));
-  }
-
-  // 滚动回顶部
-  await page.evaluate(() => {
-    window.scrollTo({ top: 0, behavior: 'smooth' });
-  });
-  await new Promise(r => setTimeout(r, 1000));
-}
-
-describe('ChngCrawler Stealth Test (Headless Mode with Stealth Plugin)', () => {
-  let browser: Browser;
-
-  beforeAll(async () => {
-    const proxyArgs = getProxyArgs();
-    if (proxyArgs.length > 0) {
-      console.log('Using proxy:', proxyArgs.join(' '));
-    }
-    
-    browser = await puppeteer.launch({
-      headless: true, // 使用 headless 模式
-      args: [
-        '--no-sandbox',
-        '--disable-setuid-sandbox',
-        '--disable-blink-features=AutomationControlled',
-        '--window-size=1920,1080',
-        '--disable-infobars',
-        '--disable-dev-shm-usage',
-        '--disable-accelerated-2d-canvas',
-        '--no-first-run',
-        '--no-zygote',
-        '--disable-gpu',
-        '--disable-features=VizDisplayCompositor',
-        '--disable-webgl',
-        ...proxyArgs,
-      ],
-      defaultViewport: null
-    });
-  });
-
-  afterAll(async () => {
-    if (browser) {
-      await browser.close();
-    }
-  });
-
-  it('should visit the website and list all found bid information with stealth plugin', async () => {
-    // 为此测试单独设置更长的超时时间
-    jest.setTimeout(180000);
-    console.log(`
-Starting crawl for: ${ChngCrawler.name}`);
-    console.log(`Target URL: ${ChngCrawler.url}`);
-    console.log('Using puppeteer-extra-plugin-stealth for anti-detection');
-    console.log('Running in headless mode');
-    
-    // 创建一个临时页面用于模拟人类行为
-    const tempPage = await browser.newPage();
-    await tempPage.setViewport({ width: 1920, height: 1080, deviceScaleFactor: 1 });
-    
-    // 模拟人类鼠标移动
-    console.log('Simulating human mouse movements...');
-    await simulateHumanMouseMovement(tempPage);
-    
-    // 模拟人类滚动
-    console.log('Simulating human scrolling...');
-    await simulateHumanScrolling(tempPage);
-    
-    await tempPage.close();
-    
-    const results = await ChngCrawler.crawl(browser);
-    
-    console.log(`
-Successfully found ${results.length} items:
-`);
-    console.log('----------------------------------------');
-    results.forEach((item, index) => {
-      console.log(`${index + 1}. [${item.publishDate.toLocaleDateString()}] ${item.title}`);
-      console.log(`   Link: ${item.url}`);
-      console.log('----------------------------------------');
-    });
-
-    expect(results).toBeDefined();
-    expect(Array.isArray(results)).toBeTruthy();
-    
-    if (results.length === 0) {
-      console.warn('Warning: No items found. The site might have detected the crawler or content is not loading properly.');
-    } else {
-       const firstItem = results[0];
-       expect(firstItem.title).toBeTruthy();
-       expect(firstItem.url).toMatch(/^https?:\/\//);
-       expect(firstItem.publishDate).toBeInstanceOf(Date);
-    }
-  });
-});

src/crawler/services/cnncecp_target.ts

@@ -55,7 +55,7 @@ export interface CnncecpResult {
 export const CnncecpCrawler = {
   name: '中核集团电子采购平台',
   url: 'https://www.cnncecp.com/xzbgg/index.jhtml',
-  baseUrl: 'https://www.cnncecp.com',
+  baseUrl: 'https://www.cnncecp.com/',
 
   async crawl(browser: puppeteer.Browser): Promise<CnncecpResult[]> {
     const logger = new Logger('CnncecpCrawler');

src/crawler/services/cnooc_target.ts

@@ -55,7 +55,7 @@ export interface CnoocResult {
 export const CnoocCrawler = {
   name: '中海油招标平台',
   url: 'https://buy.cnooc.com.cn/cbjyweb/001/001001/moreinfo.html',
-  baseUrl: 'https://buy.cnooc.com.cn',
+  baseUrl: 'https://buy.cnooc.com.cn/',
 
   async crawl(browser: puppeteer.Browser): Promise<CnoocResult[]> {
     const logger = new Logger('CnoocCrawler');

src/crawler/services/eps_target.ts

@@ -55,7 +55,7 @@ export interface EpsResult {
 export const EpsCrawler = {
   name: '中国三峡集团电子商务平台',
   url: 'https://eps.ctg.com.cn/cms/channel/1ywgg1/index.htm',
-  baseUrl: 'https://eps.ctg.com.cn',
+  baseUrl: 'https://eps.ctg.com.cn/',
 
   async crawl(browser: puppeteer.Browser): Promise<EpsResult[]> {
     const logger = new Logger('EpsCrawler');

src/crawler/services/espic_target.ts

@@ -54,7 +54,7 @@ export interface EspicResult {
 
 export const EspicCrawler = {
   name: '电能e招采平台（国电投）',
-  baseUrl: 'https://ebid.espic.com.cn',
+  baseUrl: 'https://ebid.espic.com.cn/',
 
   // 生成动态 URL，使用当前日期
   getUrl(page: number = 1): string {

src/crawler/services/powerbeijing_target.ts

@@ -55,7 +55,7 @@ export interface PowerbeijingResult {
 export const PowerbeijingCrawler = {
   name: '北京京能电子商务平台',
   url: 'https://www.powerbeijing-ec.com/jncms/search/bulletin.html?dates=300&categoryId=2&tabName=%E6%8B%9B%E6%A0%87%E5%85%AC%E5%91%8A&page=1',
-  baseUrl: 'https://www.powerbeijing-ec.com',
+  baseUrl: 'https://www.powerbeijing-ec.com/',
 
   async crawl(browser: puppeteer.Browser): Promise<PowerbeijingResult[]> {
     const logger = new Logger('PowerbeijingCrawler');

src/crawler/services/sdicc_target.ts

@@ -55,7 +55,7 @@ export interface SdiccResult {
 export const SdiccCrawler = {
   name: '国投集团电子采购平台',
   url: 'https://www.sdicc.com.cn/cgxx/ggList',
-  baseUrl: 'https://www.sdicc.com.cn',
+  baseUrl: 'https://www.sdicc.com.cn/',
 
   async crawl(browser: puppeteer.Browser): Promise<SdiccResult[]> {
     const logger = new Logger('SdiccCrawler');

src/crawler/services/szecp_target.ts

@@ -50,7 +50,7 @@ async function simulateHumanScrolling(page: puppeteer.Page) {
 export const SzecpCrawler = {
   name: '华润守正采购交易平台',
   url: 'https://www.szecp.com.cn/first_zbgg/index.html',
-  baseUrl: 'https://www.szecp.com.cn',
+  baseUrl: 'https://www.szecp.com.cn/',
 
   async crawl(browser: puppeteer.Browser): Promise<ChdtpResult[]> {
     const logger = new Logger('SzecpCrawler');