72 lines
2.0 KiB
JavaScript
72 lines
2.0 KiB
JavaScript
const express = require('express');
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const mysql = require('mysql');
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const bodyParser = require('body-parser');
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const cors = require('cors');
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const path = require('path');
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const app = express();
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const port = 3000;
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app.use(bodyParser.json());
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app.use(cors());
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// 创建 MySQL 连接
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const db = mysql.createConnection({
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host: '172.27.0.1',
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user: 'login_test',
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password: 'tTiwnNbzMeLFxbLj',
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database: 'login_test'
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});
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db.connect(err => {
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if (err) {
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console.error('无法连接到数据库:', err);
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return;
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}
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console.log('已连接到数据库');
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});
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// 处理注册请求
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app.post('/api/register', (req, res) => {
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const { username, password } = req.body;
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const checkSql = 'SELECT * FROM users WHERE username = ?';
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db.query(checkSql, [username], (err, results) => {
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if (err) {
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return res.json({ success: false, message: '注册失败' });
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}
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if (results.length > 0) {
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return res.json({ success: false, message: '用户名已存在' });
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}
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const insertSql = 'INSERT INTO users (username, password) VALUES (?, ?)';
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db.query(insertSql, [username, password], (err, result) => {
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if (err) {
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return res.json({ success: false, message: '注册失败' });
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}
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res.json({ success: true, message: '注册成功' });
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});
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});
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});
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// 处理登录请求
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app.post('/api/login', (req, res) => {
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const { username, password } = req.body;
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const sql = 'SELECT * FROM users WHERE username = ? AND password = ?';
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db.query(sql, [username, password], (err, results) => {
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if (err || results.length === 0) {
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return res.json({ success: false, message: '登录失败' });
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}
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res.json({ success: true, message: '登录成功' });
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});
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});
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// 提供静态文件服务
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app.use(express.static(path.join(__dirname, '../dist')));
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// 所有其他请求返回 index.html
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app.get('*', (req, res) => {
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res.sendFile(path.join(__dirname, '../dist', 'index.html'));
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});
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app.listen(port, () => {
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console.log(`服务器在 http://localhost:${port} 上运行`);
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});
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