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freeCodeCamp/curriculum/challenges/chinese/05-apis-and-microservices/mongodb-and-mongoose/install-and-set-up-mongoose.chinese.md

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---
id: 587d7fb6367417b2b2512c06
title: Install and Set Up Mongoose
challengeType: 2
forumTopicId: 301540
localeTitle: 安装和设置 Mongoose
---
## Description
<section id='description'>
在 package.json 文件中添加 mongodb 和 mongoose 作为项目依赖,然后引入 Mongoose。之后将 MongoDB Atlas 的 URI 作为 MONGO_URI 字段存储在私有的 <code>.env</code> 文件中。然后使用单引号或双引号包裹 URI最后通过以下的代码片段来连接数据库
```js
mongoose.connect(<Your URI>, { useNewUrlParser: true, useUnifiedTopology: true });
```
</section>
<section id='instructions'>
</section>
## Tests
<section id='tests'>
```yml
tests:
- text: '"mongodb" 应在 package.json 中作为依赖项定义'
testString: 'getUserInput => $.get(getUserInput(''url'') + ''/_api/file/package.json'').then(data => { var packJson = JSON.parse(data); assert.property(packJson.dependencies, ''mongodb''); }, xhr => { throw new Error(xhr.responseText); })'
- text: '"mongoose" 应在 package.json 中作为依赖项定义'
testString: 'getUserInput => $.get(getUserInput(''url'') + ''/_api/file/package.json'').then(data => { var packJson = JSON.parse(data); assert.property(packJson.dependencies, ''mongoose''); }, xhr => { throw new Error(xhr.responseText); })'
- text: '应使用 "mongoose" 连接数据库'
testString: 'getUserInput => $.get(getUserInput(''url'') + ''/_api/is-mongoose-ok'').then(data => {assert.isTrue(data.isMongooseOk, ''mongoose is not connected'')}, xhr => { throw new Error(xhr.responseText); })'
```
</section>
## Challenge Seed
<section id='challengeSeed'>
</section>
## Solution
<section id='solution'>
```js
/**
Backend challenges don't need solutions,
because they would need to be tested against a full working project.
Please check our contributing guidelines to learn more.
*/
```
</section>