107 lines
3.4 KiB
JavaScript
107 lines
3.4 KiB
JavaScript
const express = require("express")
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const mysql = require("mysql2")
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const cors = require("cors")
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const app = express()
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const port = 3000
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const db = mysql.createConnection({
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host: "127.0.0.1",
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port: 3306,
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user: "root",
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password: "123456",
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database: "express_db"
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})
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db.connect((err) => {
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if (err) {
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console.log("Error connect to MySQL database:", err);
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return;
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}
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console.log("Connected to MySQL database");
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})
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app.use(express.json())
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app.use(express.urlencoded({ extended: false }))
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app.use(cors({
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origin: "http://127.0.0.1:3000",
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method: ["GET", "POST"],
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allowedHeaders: ['Content-Type', "Authorization"]
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}))
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app.use(express.static("public"))
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app.options('/login', cors());
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app.post('/register', (req, res) => {
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const { username, password, email, gender, hobbies, city, description } = req.body;
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const hobbiesStr = hobbies ? hobbies.join(",") : "";
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const sql = 'INSERT INTO users (username, password, email, gender, hobbies, city, description) VALUES (?,?,?,?,?,?,?)'
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const values = [username, password, email, gender, hobbiesStr, city, description]
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db.query(sql, values, (err, result) => {
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if (err) {
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console.error('Error inserting data into MySQL database:', err);
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res.status(500).send("Error inserting data into MySQL database");
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return;
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}
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console.log("inserting data successful!");
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res.send("Register successful")
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})
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})
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app.post("/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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const values = [username, password];
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db.query(sql, values, (err, result) => {
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if (err) {
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console.error("Error querying the database:", err);
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res.status(500).send("Error querying the database");
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return;
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}
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if (result.length > 0) {
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console.log('Login successful');
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res.send('Login successful');
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} else {
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console.log("Login failed");
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res.send("Login failed");
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}
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})
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})
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app.post("/update-password", (req, res) => {
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const { username, currentPassword, newPassword } = req.body;
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const sqlCheck = 'SELECT * FROM users WHERE username = ? AND password = ?';
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const checkValues = [username, currentPassword];
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db.query(sqlCheck, checkValues, (err, result) => {
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if (err) {
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console.error("Error querying the database:", err);
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res.status(500).send("Error querying the database");
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return;
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}
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if (result.length == 0) {
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console.log("当前密码输入错误");
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res.status(400).send("Current password is incorret");
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return;
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}
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const updateSql = "UPDATE users SET password = ? WHERE username = ?";
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const updateValue = [newPassword, username];
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db.query(updateSql, updateValue, (err2, result2) => {
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if (err2) {
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console.error("Error updating user password:", err2);
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res.status(500).send('Error updating user password');
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return;
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}
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console.log(result2);
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console.log("User password update successful");
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res.send("User password update successful")
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})
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})
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})
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app.listen(port, () => {
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console.log(`Server is running: http://127.0.0.1:${port}`);
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})
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