init

server.js

@@ -0,0 +1,59 @@
+const express = require('express');
+const mysql = require('mysql2');
+
+const app = express();
+
+const db = mysql.createConnection({
+    host: 'localhost',
+    user: 'root',
+    password: '12345678',
+    database: 'popcen', 
+   
+    authPlugins: {
+        'caching_sha2_password': mysql.authPlugins.caching_sha2_password
+    }
+});
+
+db.connect((err) => {
+    if (err) {
+        console.error('Database connection failed:', err.stack);
+        return;
+    }
+    console.log('Connected to the MySQL database.');
+});
+
+
+app.get('/popcen', (req, res) => {
+
+    const caseidPattern = req.query.caseidPattern + '%';
+    const batchno = parseInt(req.query.batchno, 10) || 1; 
+    const sql = 'SELECT id, uuid, caseid, modified_time FROM popcen WHERE caseid LIKE ? LIMIT ? OFFSET ?';
+    const limit = 1000;
+    const offset = (batchno - 1) * limit;
+    db.query(sql, [caseidPattern, limit, offset], (err, results) => {
+        if (err) {
+            console.error(err);
+            return res.status(500).send('Server error');
+        }
+        res.json(results);
+    });
+});
+
+
+
+app.get('/popcenCount', (req, res) => {
+    const caseidPattern = req.query.caseidPattern + '%';
+    const sql = 'SELECT COUNT(id) AS count FROM popcen WHERE caseid LIKE ?';
+    db.query(sql, [caseidPattern], (err, results) => {
+        if (err) {
+            console.error(err);
+            return res.status(500).send('Server error');
+        }
+        res.json(results[0].count);
+    });
+});
+
+const PORT = 3000;
+app.listen(PORT, () => {
+    console.log(`Server is running on port ${PORT}`);
+});