@RequestParam @PathVariable @RequestBody @RequestHeader

@RequestParam @PathVariable 는 request URI로부터 values를 가져올때 사용한다.

 

@RequestParam은 query string을, @PathVariable 은 URI path에서 값을 가져온다.

 

/**
* @PathVariable
* uri path에서 값을 추출하기때문에 encoding X
*/
http://localhost:8080/spring-mvc-basics/foos/abc
-> ID: abc

http://localhost:8080/spring-mvc-basics/foos/ab+c
-> ID: ab+c

******************
@GetMapping("/foos/{id}")
@ResponseBody
public String getFooById(@PathVariable String id){
	return "ID:" + id;
}

/**
* @RequestParam
* parameter가 decode 된다
*/
http://localhost:8080/spring-mvc-basics/foos?id=abc
-> ID: abc

http://localhost:8080/spring-mvc-basics/foos?id=ab+c
-> ID: ab c

******************
@GetMapping("/foos")
@ResponseBody
public String getFooById(@RequestParam String id){
	return "ID:" + id;
}

 

 

https://ryan-han.com/post/translated/pathvariable_queryparam/

[번역] Path Variable과 Query Parameter는 언제 사용해야 할까? | Integerous DevLog

 

https://www.baeldung.com/spring-requestparam-vs-pathvariable

https://javarevisited.blogspot.com/2017/10/differences-between-requestparam-and-pathvariable-annotations-spring-mvc.html#axzz7vq3bN3s2