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软件开发交付流程_工装_短链接在线生成器_seo快速优化软件网站

时间:2025/7/11 8:24:38来源:https://blog.csdn.net/API19970108110/article/details/143268770 浏览次数:0次
软件开发交付流程_工装_短链接在线生成器_seo快速优化软件网站

在构建短剧平台时,设计一个高效、可扩展的接口(API)服务是至关重要的。这不仅能提升用户体验,还能为未来的扩展和维护打下坚实基础。本文将介绍如何设计和实现这样的API服务,包括用户认证、短剧信息获取、评论管理等核心功能,并提供相应的代码示例。

技术栈选择
  • 后端框架:Node.js(Express.js)
  • 数据库:MongoDB(Mongoose ORM)
  • 认证:JWT(JSON Web Tokens)
  • 版本控制:API版本通过URL路径管理(如/v1/
1. 项目初始化

首先,初始化Node.js项目并安装必要的依赖。

 

bash

mkdir short-drama-api
cd short-drama-api
npm init -y
npm install express mongoose jsonwebtoken body-parser cors
2. 设置Express服务器

创建一个server.js文件,配置Express服务器和中间件。

 

javascript

const express = require('express');
const mongoose = require('mongoose');
const bodyParser = require('body-parser');
const cors = require('cors');
const jwt = require('jsonwebtoken');
const app = express();
const PORT = process.env.PORT || 5000;
// Middleware
app.use(bodyParser.json());
app.use(cors());
// MongoDB connection
mongoose.connect('mongodb://localhost:27017/short-drama', {
useNewUrlParser: true,
useUnifiedTopology: true,
});
const db = mongoose.connection;
db.on('error', console.error.bind(console, 'MongoDB connection error:'));
db.once('open', () => {
console.log('Connected to MongoDB');
});
// Routes import (will be created later)
app.use('/v1/auth', require('./routes/auth'));
app.use('/v1/dramas', require('./routes/dramas'));
app.use('/v1/comments', require('./routes/comments'));
app.listen(PORT, () => {
console.log(`Server is running on port ${PORT}`);
});
3. 用户认证(Auth)

创建routes/auth.js文件,实现用户注册、登录和JWT生成。

 

javascript

const express = require('express');
const bcrypt = require('bcrypt');
const jwt = require('jsonwebtoken');
const User = require('../models/User');
const router = express.Router();
// Register new user
router.post('/register', async (req, res) => {
const { username, password } = req.body;
try {
const hashedPassword = await bcrypt.hash(password, 10);
const user = new User({ username, password: hashedPassword });
await user.save();
res.status(201).send('User registered successfully');
} catch (error) {
res.status(400).send(error.message);
}
});
// Login user and generate JWT
router.post('/login', async (req, res) => {
const { username, password } = req.body;
try {
const user = await User.findOne({ username });
if (!user || !(await bcrypt.compare(password, user.password))) {
return res.status(400).send('Invalid credentials');
}
const token = jwt.sign({ userId: user._id }, 'your_jwt_secret_key', { expiresIn: '1h' });
res.json({ token });
} catch (error) {
res.status(500).send('Server error');
}
});
module.exports = router;
4. 短剧信息管理(Dramas)

创建routes/dramas.js文件,实现短剧信息的CRUD操作,并添加JWT验证中间件。

 

javascript

const express = require('express');
const jwt = require('jsonwebtoken');
const Drama = require('../models/Drama');
const router = express.Router();
const authenticateJWT = (req, res, next) => {
const token = req.header('Authorization').replace('Bearer ', '');
if (!token) return res.status(401).send('Access denied');
try {
const verified = jwt.verify(token, 'your_jwt_secret_key');
req.user = verified;
next();
} catch (error) {
res.status(400).send('Invalid token');
}
};
// Create new drama
router.post('/', authenticateJWT, async (req, res) => {
const drama = new Drama(req.body);
drama.author = req.user.userId;
await drama.save();
res.status(201).send(drama);
});
// Get all dramas
router.get('/', async (req, res) => {
const dramas = await Drama.find();
res.send(dramas);
});
// Get drama by ID
router.get('/:id', async (req, res) => {
const drama = await Drama.findById(req.params.id);
if (!drama) return res.status(404).send('Drama not found');
res.send(drama);
});
// Update drama by ID
router.put('/:id', authenticateJWT, async (req, res) => {
const drama = await Drama.findByIdAndUpdate(req.params.id, req.body, { new: true, runValidators: true });
if (!drama) return res.status(404).send('Drama not found');
res.send(drama);
});
// Delete drama by ID
router.delete('/:id', authenticateJWT, async (req, res) => {
const drama = await Drama.findByIdAndDelete(req.params.id);
if (!drama) return res.status(404).send('Drama not found');
res.send('Drama deleted');
});
module.exports = router;
5. 评论管理(Comments)

创建routes/comments.js文件,实现评论的CRUD操作,并添加JWT验证中间件。

 

javascript

const express = require('express');
const jwt = require('jsonwebtoken');
const Comment = require('../models/Comment');
const router = express.Router();
const authenticateJWT = (req, res, next) => {
const token = req.header('Authorization').replace('Bearer ', '');
if (!token) return res.status(401).send('Access denied');
try {
const verified = jwt.verify(token, 'your_jwt_secret_key');
req.user = verified;
next();
} catch (error) {
res.status(400).send('Invalid token');
}
};
// Create new comment
router.post('/:dramaId', authenticateJWT, async (req, res) => {
const comment = new Comment(req.body);
comment.dramaId = req.params.dramaId;
comment.author = req.user.userId;
await comment.save();
res.status(201).send(comment);
});
// Get all comments for a drama
router.get('/:dramaId', async (req, res) => {
const comments = await Comment.find({ dramaId: req.params.dramaId });
res.send(comments);
});
module.exports = router;
6. 数据模型(Models)

创建models/User.jsmodels/Drama.js以及models/Comment.js文件,定义数据模型。

User.js

 

javascript

const mongoose = require('mongoose');
const UserSchema = new mongoose.Schema({
username: { type: String, required: true, unique: true },
password: { type: String, required: true },
});
module.exports = mongoose.model('User', UserSchema);

Drama.js

 

javascript

const mongoose = require('mongoose');
const DramaSchema = new mongoose.Schema({
title: { type: String, required: true },
description: { type: String, required: true },
author: { type: mongoose.Schema.Types.ObjectId, ref: 'User' },
createdAt: { type: Date, default: Date.now },
});
module.exports = mongoose.model('Drama', DramaSchema);

Comment.js

 

javascript

const mongoose = require('mongoose');
const CommentSchema = new mongoose.Schema({
content: {
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