req.query , req.params and req.b

在express.js的controllers里我们经常看到request.query,

request.params, request.body，这些都是什么意思呢？跟我们用来作请求的url形式有什么关联呢？

https://stackoverflow.com/questions/39175587/request-body-vs-request-params-vs-request-query

req.params is route parameters, req.body is the actual body of the request, and req.query is any query parameters.

For example, if I declare this route:

以这个请求为例

router.get('/user/:id',function(req,res){});

request.params will contain id. 

If I pass a body to this route:

{name:'josh'}

This will be in request.body.

If I pass some query parameters to http://myserver.com/api/user?name="josh", request.query will be { name: 'josh' }.

？后面带的参数就是request.query

Check out the Express docs.