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server.js
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server.js
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const express = require('express');
const bodyParser = require('body-parser');
const cors = require('cors');
const bcrypt = require('bcrypt');
const mysql = require('mysql2/promise');
const path = require('path');
const { v4: uuidv4 } = require('uuid');
const { message } = require('antd');
const app = express();
const port = 4000;
app.use(express.json());
app.use(cors());
app.use(bodyParser.json());
app.use(express.static(path.join(__dirname, 'build')));
const pool = mysql.createPool({
host: 'localhost',
user: 'root',//登陆mysql的用户名
password: '20050127a',//登陆mysql的密码
database: 'todolistuser',//数据库名称
port: 3306
});
const addUser = async (username, passwordHash) => {
const id = uuidv4();
try {
const [result] = await pool.query("INSERT INTO userinfo (id, name, password) VALUES (?, ?, ?)", [id, username, passwordHash]);
return { id, username };
} catch (err) {
throw err;
}
};
const findUser = async (username) => {
try {
const [result] = await pool.query("SELECT * FROM userinfo WHERE name = ?", [username]);
if (result.length === 0) {
return null;
} else {
return result[0];
}
} catch (err) {
throw err;
}
};
app.post('/register', async (req, res) => {
const { username, password } = req.body;
const passwordHash = await bcrypt.hash(password, 10);
try {
const existingUser = await findUser(username);
if (existingUser) {
return res.status(400).json({ message: '用户名被占用' });
}
const user = await addUser(username, passwordHash);
res.status(201).json({ userid: user.id, username: user.username, message: 'User registered!' });
} catch (err) {
console.error("Error in addUser:", err);
res.status(400).json('Error: ' + err);
}
});
app.post('/login', async (req, res) => {
const { username, password } = req.body;
try {
const user = await findUser(username);
if (user) {
if (await bcrypt.compare(password, user.password)) {
res.status(200).json({ userid: user.id, username: user.name });
} else {
res.status(400).json({ message: '密码或用户名错误' });
}
}
else {
res.status(400).json({ message: '用户名不存在' });
}
} catch (err) {
console.error("Error in addUser:", err);
res.status(400).json('Error: ' + err);
}
});
app.post('/addTask', async (req, res) => {
const { userid, taskid, taskinfo, ddl, status } = req.body;
try {
const [result] = await pool.query("INSERT INTO usertask (userid, taskid, taskinfo, ddl, status) VALUES (?, ?, ?, ?, ?)", [userid, taskid, taskinfo, ddl, status]);
res.status(201).json('Task added!');
} catch (err) {
console.error("Error in addTask:", err);
res.status(400).json('Error: ' + err);
}
});
app.get('/getTasks/:userid', async (req, res) => {
const { userid } = req.params;
try {
const [result] = await pool.query("SELECT * FROM usertask WHERE userid = ?", [userid]);
res.status(200).json(result);
} catch (err) {
console.error("Error in getTasks:", err);
res.status(400).json('Error: ' + err);
}
});
app.post('/updateTaskStatus', async (req, res) => {
const { taskid, status } = req.body;
const sql = 'UPDATE usertask SET status = ? WHERE taskid = ?';
const values = [status, taskid];
try {
const [rows] = await pool.query(sql, values);
res.status(200).send('Task status updated successfully');
} catch (error) {
console.error('Error updating task status:', error);
res.status(500).send('Error updating task status');
}
});
app.delete('/deleteTask/:id', async (req, res) => {
const { id } = req.params;
const sql = 'DELETE FROM usertask WHERE taskid = ?';
const values = [id];
try {
const [rows] = await pool.query(sql, values);
res.status(200).send('Task delete successfully');
} catch (error) {
console.error('Error delete task status:', error);
res.status(500).send('Error delete task ');
}
});
app.get('*', (req, res) => {
res.sendFile(path.join(__dirname, 'build', 'index.html'));
});
app.listen(port, () => {
console.log(`Server is running on port: ${port}`);
});