如何在Nest.js中使用查询参数? [英] How to use query parameters in Nest.js?

问题描述

我是Nest.js的新生.

I am a freshman in Nest.js.

我的代码如下

  @Get('findByFilter/:params')
  async findByFilter(@Query() query): Promise<Article[]> {

  }

我已经使用postman来测试此路由器

I have used postman to test this router

http://localhost:3000/article/findByFilter/bug? google = 1& baidu = 2

实际上，我可以获得查询结果{ google: '1', baidu: '2' }.但是我不清楚为什么URL有一个字符串'bug'?

Actually, I can get the query result { google: '1', baidu: '2' }. But I'm not clear why the url has a string 'bug'?

如果我像删除该单词一样

If I delete that word just like

http://localhost:3000/article/findByFilter?google = 1& bai == 2

然后邮递员将显示statusCode 404.

then the postman will shows statusCode 404.

实际上，我不需要单词bug，就像http://localhost:3000/article/findByFilter?google=1&baidu=2

Actually, I don't need the word bug, how to custom the router to realize my destination just like http://localhost:3000/article/findByFilter?google=1&baidu=2

这是另一个问题，如何使多个路由器指向一种方法?

Here's another question is how to make mutiple router point to one method?

推荐答案

您必须删除:params才能使其按预期工作:

You have to remove :params for it to work as expected:

@Get('findByFilter')
async findByFilter(@Query() query): Promise<Article[]> {
  // ...
}

---

:param语法用于路径参数，并且匹配路径上的任何字符串:

---

The :param syntax is for path parameters and matches any string on a path:

@Get('products/:id')
getProduct(@Param('id') id) {

匹配路线

localhost:3000/products/1
localhost:3000/products/2abc
// ...

---

路由通配符

要将多个端点与相同的方法进行匹配，可以使用路由通配符:

---

Route wildcards

To match multiple endpoints to the same method you can use route wildcards:

@Get('other|te*st')

将匹配

localhost:3000/other
localhost:3000/test
localhost:3000/te123st
// ...

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