Files
Shaun Hamilton c2a11ad00d feat: add 'back/front end' in curriculum (#42596)
* chore: rename APIs and Microservices to include "Backend" (#42515)

* fix typo

* fix typo

* undo change

* Corrected grammar mistake

Corrected a grammar mistake by removing a comma.

* change APIs and Microservices cert title

* update title

* Change APIs and Microservices certi title

* Update translations.json

* update title

* feat(curriculum): rename apis and microservices cert

* rename folder structure

* rename certificate

* rename learn Markdown

* apis-and-microservices -> back-end-development-and-apis

* update backend meta

* update i18n langs and cypress test

Co-authored-by: Shaun Hamilton <shauhami020@gmail.com>

* fix: add development to front-end libraries (#42512)

* fix: added-the-word-Development-to-front-end-libraries

* fix/added-the-word-Development-to-front-end-libraries

* fix/added-word-development-to-front-end-libraries-in-other-related-files

* fix/added-the-word-Development-to-front-end-and-all-related-files

* fix/removed-typos-from-last-commit-in-index.md

* fix/reverted-changes-that-i-made-to-dependecies

* fix/removed xvfg

* fix/reverted changes that i made to package.json

* remove unwanted changes

* front-end-development-libraries changes

* rename backend certSlug and README

* update i18n folder names and keys

* test: add legacy path redirect tests

This uses serve.json from the client-config repo, since we currently use
that in production

* fix: create public dir before moving serve.json

* fix: add missing script

* refactor: collect redirect tests

* test: convert to cy.location for stricter tests

* rename certificate folder to 00-certificates

* change crowdin config to recognise new certificates location

* allow translations to be used

Co-authored-by: Nicholas Carrigan (he/him) <nhcarrigan@gmail.com>

* add forwards slashes to path redirects

* fix cypress path tests again

* plese cypress

* fix: test different challenge

Okay so I literally have no idea why this one particular challenge
fails in Cypress Firefox ONLY. Tom and I paired and spun a full build
instance and confirmed in Firefox the page loads and redirects as
expected. Changing to another bootstrap challenge passes Cypress firefox
locally. Absolutely boggled by this.

AAAAAAAAAAAAAAA

* fix: separate the test

Okay apparently the test does not work unless we separate it into
a different `it` statement.

>:( >:( >:( >:(

Co-authored-by: Sujal Gupta <55016909+heysujal@users.noreply.github.com>
Co-authored-by: Noor Fakhry <65724923+NoorFakhry@users.noreply.github.com>
Co-authored-by: Oliver Eyton-Williams <ojeytonwilliams@gmail.com>
Co-authored-by: Nicholas Carrigan (he/him) <nhcarrigan@gmail.com>
2021-08-13 21:57:13 -05:00

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---
id: 5a8b073d06fa14fcfde687aa
title: Exercise 追踪器
challengeType: 4
forumTopicId: 301505
dashedName: exercise-tracker
---
# --description--
构建一个 JavaScript 的全栈应用,在功能上与这个应用相似: <https://exercise-tracker.freecodecamp.rocks/>。 可以采用下面的一种方式完成这个挑战:
- 克隆 [GitHub 仓库](https://github.com/freeCodeCamp/boilerplate-project-exercisetracker/) 并在本地完成你的项目。
- 使用[我们的 Replit 初始化项目](https://replit.com/github/freeCodeCamp/boilerplate-project-exercisetracker)来完成你的项目。
- 使用你选择的网站生成器来完成项目, 并确保包含了我们 GitHub 仓库的所有文件。
当完成本项目,请确认有一个正常运行的 demo 可以公开访问。 然后将 URL 提交到 `Solution Link` 中。 此外,还可以将项目的源码提交到 `GitHub Link` 中。
# --hints--
提交自己的项目,而不是示例的 URL。
```js
(getUserInput) => {
const url = getUserInput('url');
assert(
!/.*\/exercise-tracker\.freecodecamp\.rocks/.test(getUserInput('url'))
);
};
```
可以将表单里的 `username` 通过 `POST` 请求发送到 `/api/users`,以创建一个新的用户。 返回的响应内容是一个带有 `username``_id` 的对象
```js
async (getUserInput) => {
const url = getUserInput('url');
const res = await fetch(url + '/api/users', {
method: 'POST',
headers: { 'Content-Type': 'application/x-www-form-urlencoded' },
body: `username=fcc_test_${Date.now()}`.substr(0, 29)
});
if (res.ok) {
const { _id, username } = await res.json();
assert.exists(_id);
assert.exists(username);
} else {
throw new Error(`${res.status} ${res.statusText}`);
}
};
```
可以发送 `GET` 请求到 `/api/users`,以获取一个所有用户的数组, 数组里的每个元素都是一个包含 `username``_id` 的用户对象。
```js
async (getUserInput) => {
const url = getUserInput('url');
const res = await fetch(url + '/api/users');
if (res.ok) {
const data = await res.json();
assert.isArray(data);
assert.isString(data[0].username);
assert.isString(data[0]._id);
} else {
throw new Error(`${res.status} ${res.statusText}`);
}
};
```
你能用表单里的 `description``duration``date`(可选)发送 `POST` 请求到 `/api/users/:_id/exercises`。 如果没有传入 date默认采用当前日期。 响应内容是包含 exercise 表单内容的 user 对象。
```js
async (getUserInput) => {
const url = getUserInput('url');
const res = await fetch(url + '/api/users', {
method: 'POST',
headers: { 'Content-Type': 'application/x-www-form-urlencoded' },
body: `username=fcc_test_${Date.now()}`.substr(0, 29)
});
if (res.ok) {
const { _id, username } = await res.json();
const expected = {
username,
description: 'test',
duration: 60,
_id,
date: 'Mon Jan 01 1990'
};
const addRes = await fetch(url + `/api/users/${_id}/exercises`, {
method: 'POST',
headers: { 'Content-Type': 'application/x-www-form-urlencoded' },
body: `description=${expected.description}&duration=${expected.duration}&date=1990-01-01`
});
if (addRes.ok) {
const actual = await addRes.json();
assert.deepEqual(actual, expected);
} else {
throw new Error(`${addRes.status} ${addRes.statusText}`);
}
} else {
throw new Error(`${res.status} ${res.statusText}`);
}
};
```
可以发送 `GET` 请求到 `/api/users/:_id/logs`,以获取任何用户的完整 exercise 日志。 响应内容是一个 user 对象,它带有一个 `log` 属性,该属性的值是所有被添加的 exercises 表单记录组成的数组, 每一个 log 数组里的元素应该是一个含有 `description``duration``date` 等属性的对象。
```js
async (getUserInput) => {
const url = getUserInput('url');
const res = await fetch(url + '/api/users', {
method: 'POST',
headers: { 'Content-Type': 'application/x-www-form-urlencoded' },
body: `username=fcc_test_${Date.now()}`.substr(0, 29)
});
if (res.ok) {
const { _id, username } = await res.json();
const expected = {
username,
description: 'test',
duration: 60,
_id,
date: new Date().toDateString()
};
const addRes = await fetch(url + `/api/users/${_id}/exercises`, {
method: 'POST',
headers: { 'Content-Type': 'application/x-www-form-urlencoded' },
body: `description=${expected.description}&duration=${expected.duration}`
});
if (addRes.ok) {
const logRes = await fetch(url + `/api/users/${_id}/logs`);
if (logRes.ok) {
const { log } = await logRes.json();
assert.isArray(log);
assert.equal(1, log.length);
} else {
throw new Error(`${logRes.status} ${logRes.statusText}`);
}
} else {
throw new Error(`${addRes.status} ${addRes.statusText}`);
}
} else {
throw new Error(`${res.status} ${res.statusText}`);
}
};
```
用户日志请求(`/api/users/:_id/logs`)返回一个带有 `count` 属性的对象,该属性反映 exercises 表单的成功提交次数(译者注:即 log 属性元素的个数)。
```js
async (getUserInput) => {
const url = getUserInput('url');
const res = await fetch(url + '/api/users', {
method: 'POST',
headers: { 'Content-Type': 'application/x-www-form-urlencoded' },
body: `username=fcc_test_${Date.now()}`.substr(0, 29)
});
if (res.ok) {
const { _id, username } = await res.json();
const expected = {
username,
description: 'test',
duration: 60,
_id,
date: new Date().toDateString()
};
const addRes = await fetch(url + `/api/users/${_id}/exercises`, {
method: 'POST',
headers: { 'Content-Type': 'application/x-www-form-urlencoded' },
body: `description=${expected.description}&duration=${expected.duration}`
});
if (addRes.ok) {
const logRes = await fetch(url + `/api/users/${_id}/logs`);
if (logRes.ok) {
const { count } = await logRes.json();
assert(count);
} else {
throw new Error(`${logRes.status} ${logRes.statusText}`);
}
} else {
throw new Error(`${addRes.status} ${addRes.statusText}`);
}
} else {
throw new Error(`${res.status} ${res.statusText}`);
}
};
```
可以把 `from``to``limit` 参数添加到一个 `/api/users/:_id/logs` 请求,以查询该用户的部分 exercise 表单提交记录, `from``to``yyyy-mm-dd` 形式的日期, `limit` 是希望返回的 log 数量。
```js
async (getUserInput) => {
const url = getUserInput('url');
const res = await fetch(url + '/api/users', {
method: 'POST',
headers: { 'Content-Type': 'application/x-www-form-urlencoded' },
body: `username=fcc_test_${Date.now()}`.substr(0, 29)
});
if (res.ok) {
const { _id, username } = await res.json();
const expected = {
username,
description: 'test',
duration: 60,
_id,
date: new Date().toDateString()
};
const addExerciseRes = await fetch(url + `/api/users/${_id}/exercises`, {
method: 'POST',
headers: { 'Content-Type': 'application/x-www-form-urlencoded' },
body: `description=${expected.description}&duration=${expected.duration}&date=1990-01-01`
});
const addExerciseTwoRes = await fetch(url + `/api/users/${_id}/exercises`, {
method: 'POST',
headers: { 'Content-Type': 'application/x-www-form-urlencoded' },
body: `description=${expected.description}&duration=${expected.duration}&date=1990-01-02`
});
if (addExerciseRes.ok && addExerciseTwoRes.ok) {
const logRes = await fetch(
url + `/api/users/${_id}/logs?from=1989-12-31&to=1990-01-03`
);
if (logRes.ok) {
const { log } = await logRes.json();
assert.isArray(log);
assert.equal(2, log.length);
} else {
throw new Error(`${logRes.status} ${logRes.statusText}`);
}
const limitRes = await fetch(
url + `/api/users/${_id}/logs?limit=1`
);
if (limitRes.ok) {
const { log } = await limitRes.json();
assert.isArray(log);
assert.equal(1, log.length);
} else {
throw new Error(`${limitRes.status} ${limitRes.statusText}`);
}
} else {
throw new Error(`${res.status} ${res.statusText}`);
}
} else {
throw new Error(`${res.status} ${res.statusText}`);
}
};
```
# --solutions--
```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.
*/
```