```

feat(readme): 对部分文本进行格式调整，包括金额数字空格分隔、API 参数说明优化、标题层级对齐等，提升可读性。 ```
2025-12-15 10:36:18 +08:00
parent 745faa0ecc
commit b044e918aa
9 changed files with 949 additions and 80 deletions
--- a/src/emailService.js
+++ b/src/emailService.js
@@ -0,0 +1,213 @@
+import nodemailer from 'nodemailer';
+
+// 创建邮件发送服务
+export async function sendReportEmail(emailConfig, report) {
+  try {
+    // 创建SMTP传输器
+    const transporter = nodemailer.createTransport({
+      host: emailConfig.smtpHost,
+      port: emailConfig.smtpPort || 587,
+      secure: emailConfig.smtpPort === 465, // true for 465, false for other ports
+      auth: {
+        user: emailConfig.smtpUser,
+        pass: emailConfig.smtpPass,
+      },
+    });
+
+    // 生成HTML格式的报告内容
+    const htmlContent = generateReportHtml(report);
+
+    // 发送邮件
+    const info = await transporter.sendMail({
+      from: `"公告采集系统" <${emailConfig.smtpUser}>`,
+      to: emailConfig.recipients,
+      subject: `采购公告分析报告 - ${new Date().toLocaleDateString('zh-CN')}`,
+      html: htmlContent,
+    });
+
+    return {
+      success: true,
+      messageId: info.messageId,
+    };
+  } catch (error) {
+    console.error('发送邮件失败:', error);
+    throw new Error(`邮件发送失败: ${error.message}`);
+  }
+}
+
+// 生成HTML格式的报告
+function generateReportHtml(report) {
+  const { summary, projects } = report;
+
+  return `
+<!DOCTYPE html>
+<html lang="zh-CN">
+<head>
+  <meta charset="UTF-8">
+  <meta name="viewport" content="width=device-width, initial-scale=1.0">
+  <title>采购公告分析报告</title>
+  <style>
+    body {
+      font-family: 'PingFang SC', 'Microsoft YaHei', Arial, sans-serif;
+      line-height: 1.6;
+      color: #333;
+      max-width: 900px;
+      margin: 0 auto;
+      padding: 20px;
+      background-color: #f5f5f5;
+    }
+    .container {
+      background: white;
+      border-radius: 8px;
+      padding: 30px;
+      box-shadow: 0 2px 10px rgba(0,0,0,0.1);
+    }
+    h1 {
+      color: #667eea;
+      border-bottom: 3px solid #667eea;
+      padding-bottom: 10px;
+      margin-bottom: 20px;
+    }
+    .summary {
+      background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
+      color: white;
+      padding: 20px;
+      border-radius: 8px;
+      margin-bottom: 30px;
+    }
+    .summary h2 {
+      margin-top: 0;
+      margin-bottom: 15px;
+      font-size: 18px;
+    }
+    .stat-grid {
+      display: grid;
+      grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
+      gap: 15px;
+    }
+    .stat {
+      background: rgba(255,255,255,0.15);
+      padding: 12px;
+      border-radius: 6px;
+    }
+    .stat-label {
+      font-size: 13px;
+      opacity: 0.9;
+      margin-bottom: 5px;
+    }
+    .stat-value {
+      font-size: 22px;
+      font-weight: bold;
+    }
+    .project-list {
+      margin-top: 20px;
+    }
+    .project-item {
+      background: #f9f9f9;
+      border-left: 4px solid #667eea;
+      padding: 15px;
+      margin-bottom: 15px;
+      border-radius: 4px;
+    }
+    .project-item h3 {
+      color: #333;
+      margin: 0 0 10px 0;
+      font-size: 16px;
+    }
+    .project-meta {
+      color: #666;
+      font-size: 14px;
+      margin: 5px 0;
+    }
+    .budget {
+      display: inline-block;
+      background: #667eea;
+      color: white;
+      padding: 4px 12px;
+      border-radius: 4px;
+      font-weight: bold;
+      margin-top: 8px;
+      font-size: 14px;
+    }
+    .project-link {
+      color: #667eea;
+      text-decoration: none;
+      font-size: 13px;
+      word-break: break-all;
+    }
+    .footer {
+      margin-top: 30px;
+      padding-top: 20px;
+      border-top: 1px solid #e0e0e0;
+      color: #999;
+      font-size: 12px;
+      text-align: center;
+    }
+  </style>
+</head>
+<body>
+  <div class="container">
+    <h1>南京公共工程建设中心 - 采购公告分析报告</h1>
+
+    <div class="summary">
+      <h2>报告摘要</h2>
+      <div class="stat-grid">
+        <div class="stat">
+          <div class="stat-label">总公告数量</div>
+          <div class="stat-value">${summary.total_count} 条</div>
+        </div>
+        <div class="stat">
+          <div class="stat-label">符合条件</div>
+          <div class="stat-value">${summary.filtered_count} 条</div>
+        </div>
+        <div class="stat">
+          <div class="stat-label">金额阈值</div>
+          <div class="stat-value">${summary.threshold}</div>
+        </div>
+        <div class="stat">
+          <div class="stat-label">总金额</div>
+          <div class="stat-value">${summary.total_amount}</div>
+        </div>
+      </div>
+      ${summary.date_range ? `
+      <div style="margin-top: 15px; padding-top: 15px; border-top: 1px solid rgba(255,255,255,0.2);">
+        <div class="stat-label">时间范围</div>
+        <div style="font-size: 14px; margin-top: 5px;">
+          ${summary.date_range.startDate || '不限'} 至 ${summary.date_range.endDate || '不限'}
+        </div>
+      </div>
+      ` : ''}
+    </div>
+
+    <h2>项目详情</h2>
+    <div class="project-list">
+      ${projects.length === 0 ? '<p style="color: #999; text-align: center; padding: 20px;">暂无符合条件的项目</p>' : ''}
+      ${projects.map((project, index) => `
+        <div class="project-item">
+          <h3>${index + 1}. ${project.title}</h3>
+          <div class="project-meta">
+            <strong>发布日期:</strong> ${project.date}
+            ${project.publish_time ? ` | <strong>发布时间:</strong> ${project.publish_time}` : ''}
+          </div>
+          ${project.budget ? `
+            <div class="budget">
+              预算金额: ${project.budget.amount.toFixed(2)} ${project.budget.unit}
+              ${project.budget.originalUnit !== project.budget.unit ? ` (原始: ${project.budget.originalUnit})` : ''}
+            </div>
+          ` : ''}
+          <div style="margin-top: 10px;">
+            <a href="${project.url}" class="project-link" target="_blank">${project.url}</a>
+          </div>
+        </div>
+      `).join('')}
+    </div>
+
+    <div class="footer">
+      <p>报告生成时间: ${new Date(summary.generated_at).toLocaleString('zh-CN')}</p>
+      <p>本报告由公告采集系统自动生成</p>
+    </div>
+  </div>
+</body>
+</html>
+  `;
+}
--- a/src/server.js
+++ b/src/server.js
@@ -3,6 +3,7 @@ import cors from 'cors';
 import axios from 'axios';
 import * as cheerio from 'cheerio';
 import iconv from 'iconv-lite';
+import { sendReportEmail } from './emailService.js';

 const app = express();
 const PORT = 3000;
@@ -33,24 +34,24 @@ function isDateInRange(dateStr, startDate, endDate) {
  return true;
 }

-// 按时间范围抓取多页列表
+// 按时间范围采集多页列表
 async function fetchListByDateRange(startDate, endDate, maxPages = 23) {
  const allItems = [];
  let shouldContinue = true;
  let pageIndex = 0;

-  console.log(`开始按时间范围抓取: ${startDate || '不限'} 至 ${endDate || '不限'}`);
+  console.log(`开始按时间范围采集: ${startDate || '不限'} 至 ${endDate || '不限'}`);

  while (shouldContinue && pageIndex < maxPages) {
    const pageUrl = getPageUrl(pageIndex);
-    console.log(`正在抓取第 ${pageIndex + 1} 页: ${pageUrl}`);
+    console.log(`正在采集第 ${pageIndex + 1} 页: ${pageUrl}`);

    try {
      const html = await fetchHtml(pageUrl);
      const items = parseList(html);

      if (items.length === 0) {
-        console.log(`第 ${pageIndex + 1} 页没有数据，停止抓取`);
+        console.log(`第 ${pageIndex + 1} 页没有数据，停止采集`);
        break;
      }

@@ -70,7 +71,7 @@ async function fetchListByDateRange(startDate, endDate, maxPages = 23) {
      }

      if (allItemsBeforeRange && startDate) {
-        console.log(`第 ${pageIndex + 1} 页所有项目都早于起始日期，停止抓取`);
+        console.log(`第 ${pageIndex + 1} 页所有项目都早于起始日期，停止采集`);
        shouldContinue = false;
      }

@@ -82,12 +83,12 @@ async function fetchListByDateRange(startDate, endDate, maxPages = 23) {
        await new Promise(resolve => setTimeout(resolve, 500));
      }
    } catch (err) {
-      console.error(`抓取第 ${pageIndex + 1} 页失败: ${err.message}`);
+      console.error(`采集第 ${pageIndex + 1} 页失败: ${err.message}`);
      break;
    }
  }

-  console.log(`总共抓取了 ${pageIndex} 页，找到 ${allItems.length} 条符合条件的公告`);
+  console.log(`总共采集了 ${pageIndex} 页，找到 ${allItems.length} 条符合条件的公告`);
  return allItems;
 }

@@ -207,6 +208,10 @@ function parseDetail(html) {
 }

 function extractBudget(content) {
+  // 预处理内容：去除数字之间的换行符和空白字符
+  // 这样可以匹配被换行符分隔的数字，例如 "1\n1\n0\n9\n0\n0" -> "110900"
+  let cleanedContent = content.replace(/(\d)\s*[\n\r]\s*(?=\d)/g, '$1');
+
  // 直接定义金额匹配模式（从高优先级到低优先级）
  const patterns = [
    // 优先级1: 带货币符号的万元
@@ -230,7 +235,7 @@ function extractBudget(content) {

  // 遍历所有模式,找到优先级最高的匹配
  for (const pattern of patterns) {
-    const match = content.match(pattern.regex);
+    const match = cleanedContent.match(pattern.regex);
    if (match && pattern.priority < bestPriority) {
      // 清理数字中的逗号并转换
      const numberStr = match[1].replace(/[,，]/g, '');
@@ -329,21 +334,21 @@ app.post('/api/report', async (req, res) => {
    const { limit = 15, threshold = 50, url } = req.body;
    const targetUrl = url && url.trim() !== '' ? url : BASE_URL;

-    // 按需抓取多页以获取足够的数据
+    // 按需采集多页以获取足够的数据
    const items = [];
    let pageIndex = 0;
    const maxPagesToFetch = Math.ceil(limit / 10) + 1; // 假设每页约10条，多抓一页保险

    while (items.length < limit && pageIndex < maxPagesToFetch) {
      const pageUrl = getPageUrl(pageIndex, targetUrl);
-      console.log(`正在抓取第 ${pageIndex + 1} 页: ${pageUrl}`);
+      console.log(`正在采集第 ${pageIndex + 1} 页: ${pageUrl}`);

      try {
        const html = await fetchHtml(pageUrl);
        const pageItems = parseList(html);

        if (pageItems.length === 0) {
-          console.log(`第 ${pageIndex + 1} 页没有数据，停止抓取`);
+          console.log(`第 ${pageIndex + 1} 页没有数据，停止采集`);
          break;
        }

@@ -354,7 +359,7 @@ app.post('/api/report', async (req, res) => {
          await new Promise(resolve => setTimeout(resolve, 500));
        }
      } catch (err) {
-        console.error(`抓取第 ${pageIndex + 1} 页失败: ${err.message}`);
+        console.error(`采集第 ${pageIndex + 1} 页失败: ${err.message}`);
        break;
      }
    }
@@ -417,7 +422,7 @@ app.post('/api/report-daterange', async (req, res) => {
  try {
    const { startDate, endDate, threshold = 50, maxPages = 23 } = req.body;

-    // 按时间范围抓取列表
+    // 按时间范围采集列表
    const items = await fetchListByDateRange(startDate, endDate, maxPages);

    if (items.length === 0) {
@@ -437,7 +442,7 @@ app.post('/api/report-daterange', async (req, res) => {
      });
    }

-    // 抓取详情
+    // 采集详情
    const results = [];
    for (const item of items) {
      try {
@@ -491,6 +496,50 @@ app.post('/api/report-daterange', async (req, res) => {
  }
 });

+// 发送报告邮件
+app.post('/api/send-email', async (req, res) => {
+  try {
+    const { emailConfig, report } = req.body;
+
+    // 验证必需的配置参数
+    if (!emailConfig || !emailConfig.smtpHost || !emailConfig.smtpUser || !emailConfig.smtpPass) {
+      return res.status(400).json({
+        success: false,
+        error: '邮件配置不完整,请填写SMTP服务器、用户名和密码',
+      });
+    }
+
+    if (!emailConfig.recipients || emailConfig.recipients.trim() === '') {
+      return res.status(400).json({
+        success: false,
+        error: '请至少指定一个收件人',
+      });
+    }
+
+    if (!report) {
+      return res.status(400).json({
+        success: false,
+        error: '没有可发送的报告数据',
+      });
+    }
+
+    // 发送邮件
+    const result = await sendReportEmail(emailConfig, report);
+
+    res.json({
+      success: true,
+      message: '邮件发送成功',
+      messageId: result.messageId,
+    });
+  } catch (error) {
+    console.error('发送邮件API错误:', error);
+    res.status(500).json({
+      success: false,
+      error: error.message,
+    });
+  }
+});
+
 app.listen(PORT, () => {
  console.log(`Server running at http://localhost:${PORT}`);
 });