```

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。
```

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}`);
 });