Files
freeCodeCamp/curriculum/challenges/chinese/05-apis-and-microservices/mongodb-and-mongoose/perform-new-updates-on-a-document-using-model.findoneandupdate.chinese.md

42 lines
1.7 KiB
Markdown
Raw Normal View History

---
id: 587d7fb8367417b2b2512c0f
title: Perform New Updates on a Document Using model.findOneAndUpdate()
localeTitle: 使用model.findOneAndUpdate对文档执行新更新
challengeType: 2
---
## Description
<section id='description'> <code>0</code>最新版本的mongoose具有简化文档更新的方法。一些更高级的功能即前/后挂钩验证与此方法的行为不同因此Classic方法在许多情况下仍然有用。在按Id搜索时可以使用findByIdAndUpdate<code>0</code>按名称查找人员并将其年龄设置为20.使用函数参数personName作为搜索关键字。 <code>0</code>提示:我们希望您返回更新的文档。为此,您需要将选项文档{newtrue}作为findOneAndUpdate的第三个参数传递。默认情况下这些方法返回未修改的对象。
</section>
## Instructions
<section id='instructions'>
</section>
## Tests
<section id='tests'>
```yml
tests:
- text: findOneAndUpdate项应该成功
testString: 'getUserInput => $.post(getUserInput(''url'') + ''/_api/find-one-update'', {name:''Dorian Gray'', age: 35, favoriteFoods:[''unknown'']}).then(data => { assert.equal(data.name, ''Dorian Gray'', ''item.name is not what expected''); assert.equal(data.age, 20, ''item.age is not what expected''); assert.deepEqual(data.favoriteFoods, [''unknown''], ''item.favoriteFoods is not what expected''); assert.equal(data.__v, 0, ''findOneAndUpdate does not increment version by design !!!''); }, xhr => { throw new Error(xhr.responseText); })'
```
</section>
## Challenge Seed
<section id='challengeSeed'>
</section>
## Solution
<section id='solution'>
```js
// solution required
```
/section>