沪深300 与汇率负相关

2026-04-26 08:54:19 +08:00
parent f2824d88f7
commit 342042577d
2 changed files with 195 additions and 1 deletions
@@ -0,0 +1,81 @@
+import { createPool } from 'mariadb';
+
+async function handler(req, res) {
+  if (req.method !== 'GET') {
+    return res.status(405).json({ message: '只支持GET请求' });
+  }
+
+  const { startDate, endDate, limit } = req.query;
+
+  let pool;
+  try {
+    pool = createPool({
+      host: process.env.DB_HOST || '192.168.111.111',
+      port: parseInt(process.env.DB_PORT || '3306'),
+      user: process.env.DB_USER || 'root',
+      password: process.env.DB_PASSWORD || 'fullstack',
+      database: process.env.DB_NAME || 'iboard',
+      connectionLimit: 5
+    });
+
+    let query = 'SELECT date, close FROM econ_SH300Index';
+    const params = [];
+    const conditions = [];
+
+    if (startDate) {
+      conditions.push('date >= ?');
+      params.push(startDate);
+    }
+
+    if (endDate) {
+      conditions.push('date <= ?');
+      params.push(endDate);
+    }
+
+    if (conditions.length > 0) {
+      query += ' WHERE ' + conditions.join(' AND ');
+    }
+
+    query += ' ORDER BY date ASC';
+
+    if (limit) {
+      query += ' LIMIT ?';
+      params.push(parseInt(limit));
+    }
+
+    const result = await pool.query(query, params);
+
+    const data = result.map(row => {
+      let dateStr;
+      if (row.date instanceof Date) {
+        dateStr = row.date.toISOString().split('T')[0];
+      } else if (typeof row.date === 'string') {
+        dateStr = row.date;
+      } else {
+        dateStr = String(row.date);
+      }
+      return {
+        date: dateStr,
+        close: parseFloat(row.close)
+      };
+    });
+
+    return res.status(200).json({
+      success: true,
+      data: data
+    });
+
+  } catch (error) {
+    console.error('获取沪深300数据失败:', error);
+    return res.status(500).json({
+      success: false,
+      message: '获取沪深300数据失败: ' + error.message
+    });
+  } finally {
+    if (pool) {
+      await pool.end();
+    }
+  }
+}
+
+export default handler;