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