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style: fix with eslint
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@fxzer
fxzer committed Jun 7, 2024
1 parent 87d2f6f commit e3b2bcd
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152 changes: 80 additions & 72 deletions docs/BackEnd/NodeJS/MongoDB笔记.md
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Original file line number Diff line number Diff line change
Expand Up @@ -214,59 +214,62 @@ db.getCollection('users').update({age:18},{$set:{age:24,likes:['动漫','美女'
```js
exports.register = async (req, res, next) => {
try {
let user = new User(req.body.user);
await user.save();
let user = new User(req.body.user)
await user.save()
// 转化为json才能移除密码
user = user.toJSON();
delete user.password;
user = user.toJSON()
delete user.password
res.send({
msg: "注册成功!",
msg: '注册成功!',
user,
});
} catch (error) {
next(error);
})
}
};
catch (error) {
next(error)
}
}
```
### 2.删除
```js
exports.deleteArticle = async (req, res, next) => {
try {
const id = mongoose.Types.ObjectId(req.body.id);
const result = await Article.findByIdAndRemove(id);
console.log("result: ", result);
const id = mongoose.Types.ObjectId(req.body.id)
const result = await Article.findByIdAndRemove(id)
console.log('result: ', result)
res.succ({
msg: "文章删除成功!",
});
} catch (error) {
res.errs(error);
msg: '文章删除成功!',
})
}
catch (error) {
res.errs(error)
}
};
}
```
### 3.更新
```js
exports.updateArticle = async (req, res, next) => {
const article = req.body.article;
const article = req.body.article
try {
const { _id: id, title, desc, body, tagList } = req.body.article;
const { _id: id, title, desc, body, tagList } = req.body.article

const article = await Article.findByIdAndUpdate(
id,
{ $set: req.body.article },
{ new: true }
);
)
res.succ({
msg: "文章更新成功!",
msg: '文章更新成功!',
article,
});
} catch (error) {
res.errs(error);
})
}
catch (error) {
res.errs(error)
}
};
}
```
### 4.查询
Expand All @@ -278,18 +281,20 @@ exports.getArticleById = async (req, res, next) => {
try {
// 映射用户
const article = await Article.findById(req.params.articleId).populate(
"author"
);
if (!article) return res.errs("文章不存在!");
'author'
)
if (!article)
return res.errs('文章不存在!')

res.succ({
msg: "文章查询成功!",
msg: '文章查询成功!',
article,
});
} catch (error) {
res.errs(error);
})
}
};
catch (error) {
res.errs(error)
}
}
```
```js
Expand All @@ -303,61 +308,64 @@ exports.getArticles = async (req, res, next) => {
author,
favorited,
sortBy,
} = req.body.conditions || {};
const filter = {};
if (tag) filter.tagList = tag;
} = req.body.conditions || {}
const filter = {}
if (tag)
filter.tagList = tag

// 某个作者的文章
if (author) {
const user = await User.findOne({ username: author });
filter.author = user ? user._id : null;
const user = await User.findOne({ username: author })
filter.author = user ? user._id : null
}
const articleList = await Article.find(filter)
.skip(Number.parseInt(offset))
.limit(Number.parseInt(limit))
.sort({ creeateAt: -1, ...sortBy });
.sort({ creeateAt: -1, ...sortBy })

const articleCount = await Article.find(filter)
.skip(offset)
.limit(limit)
.count();
const totalCount = await Article.countDocuments();
if (!articleList) return res.errs("暂无文章!");
.count()
const totalCount = await Article.countDocuments()
if (!articleList)
return res.errs('暂无文章!')

res.succ({
msg: "文章查询列表成功!",
msg: '文章查询列表成功!',
articleList,
articleCount,
totalCount,
});
} catch (error) {
res.errs(error);
})
}
catch (error) {
res.errs(error)
}
};
}
```
### 5.模型
📝model/index.js
```js
const mongoose = require("mongoose");
const { dbUri } = require("../config/config.default");
mongoose.connect(dbUri);
const mongoose = require('mongoose')
const { dbUri } = require('../config/config.default')
mongoose.connect(dbUri)

const db = mongoose.connection;
const db = mongoose.connection

db.on("error", console.error.bind(console, "MongDB数据库连接失败!"));
db.on('error', console.error.bind(console, 'MongDB数据库连接失败!'))

db.once("open", () => {
console.log("MongDB数据库连接成功!");
});
const Cat = mongoose.model("Cat", { name: String });
db.once('open', () => {
console.log('MongDB数据库连接成功!')
})
const Cat = mongoose.model('Cat', { name: String })

module.exports = {
User: mongoose.model("User", require("./user")),
Article: mongoose.model("Article", require("./article")),
};
User: mongoose.model('User', require('./user')),
Article: mongoose.model('Article', require('./article')),
}
```
📝model/base.js
Expand All @@ -373,15 +381,15 @@ module.exports = {
type: Date,
default: Date.now,
},
};
}
```
📝model/user.js
```js
const mongoose = require("mongoose");
const md5 = require("../util/md5");
const baseSchema = require("./base");
const mongoose = require('mongoose')
const md5 = require('../util/md5')
const baseSchema = require('./base')
// 用户模型
const userSchema = new mongoose.Schema({
...baseSchema,
Expand All @@ -392,7 +400,7 @@ const userSchema = new mongoose.Schema({
password: {
type: String,
required: true,
set: (value) => md5(value),
set: value => md5(value),
select: false,
},
email: {
Expand All @@ -407,16 +415,16 @@ const userSchema = new mongoose.Schema({
type: String,
default: null,
},
});
module.exports = userSchema;
})
module.exports = userSchema
```
📝model/article.js
```js
const mongoose = require("mongoose");
const Schema = mongoose.Schema;
const baseSchema = require("./base");
const mongoose = require('mongoose')
const Schema = mongoose.Schema
const baseSchema = require('./base')
// 文章模型
const articleSchema = new mongoose.Schema({
...baseSchema,
Expand All @@ -442,9 +450,9 @@ const articleSchema = new mongoose.Schema({
},
author: {
type: Schema.Types.ObjectId,
ref: "User",
ref: 'User',
required: true,
},
});
module.exports = articleSchema;
})
module.exports = articleSchema
```
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