Spring中获取HttpServletRequest、Http

Spring中获取参数一般使用@RequestParam、@RequestBody、@PathVariable、@Param等，但是有时候还是需要使用HttpServletRequest、HttpRequestResponse对象。

• 方式一：

@RequestMapping(value = "/test")
public String test() {
    ServletRequestAttributes servletRequestAttributes = (ServletRequestAttributes)RequestContextHolder.getRequestAttributes();
    HttpServletRequest request = servletRequestAttributes.getRequest();
    HttpServletResponse response = servletRequestAttributes.getResponse();
    //...
}

• 方式二：

@RquestMapping(value = "/test")
public String test(HttpServletRequest request,HttpServletResponse response) {
    //...
}

• 方式三：

@Autowired
private HttpServletRequest httpServletRequest;
 
@Autowired
private HttpServletResponse httpServletResponse;
 
@GetMapping(value = "/test")
public String test() {
    //...
}