freeCodeCamp/curriculum/challenges/chinese/09-information-security/information-security-with-helmetjs/install-and-require-helmet.chinese.md

---
id: 587d8247367417b2b2512c36
title: Install and Require Helmet
challengeType: 2
videoUrl: ''
localeTitle: 安装并需要头盔
---

## Description
<section id="description">提醒一下，这个项目是基于<a href="https://glitch.com/#!/import/github/freeCodeCamp/boilerplate-infosec/">Glitch</a>的以下入门项目构建的，或者是从<a href="https://github.com/freeCodeCamp/boilerplate-infosec/">GitHub</a>克隆的。 Helmet通过设置各种HTTP标头来帮助您保护Express应用程序。安装包，然后需要它。 </section>

## Instructions
<section id="instructions">
</section>

## Tests
<section id='tests'>

```yml
tests:
  - text: “helmet”依赖应该在package.json中
    testString: getUserInput => $.get(getUserInput('url') + '/_api/package.json').then(data => { var packJson = JSON.parse(data); assert.property(packJson.dependencies, 'helmet'); }, xhr => { throw new Error(xhr.responseText); })

```

</section>

## Challenge Seed
<section id='challengeSeed'>

</section>

## Solution
<section id='solution'>

```js
// solution required
```

/section>