1
@RestController
2
public class RequestController {
3
    @RequestMapping("/request")
4
    public String request(HttpServletRequest request){
5
        //1.获取请求参数
6
        String name = request.getParameter("name");
7
        String age = request.getParameter("age");
8
        //2.获取请求路径
9
        String uri = request.getRequestURI();
10
        String url = request.getRequestURL().toString();
11
        //3.获取请求方式
12
        String method = request.getMethod();
13
        //4.获取请求头
14
        String header = request.getHeader("User-Agent");
15
        return "request success";
16
    }
17
}

1
@RestController
2
public class ResponseController {
3
    @RequestMapping("/response")
4
    public void response(HttpServletResponse response) throws IOException {
5
        response.setStatus(401);
6
        response.setHeader("name","itcast");
7
        response.setContentType("text/html;charset=utf-8");
8
        response.getWriter().write("<h1>hello response</h1>");
9
    }
10

11
    @RequestMapping("/response2")
12
    public ResponseEntity<String> response2() {
13
        return ResponseEntity
14
                .status(401)
15
                .header("name","itcast")
16
                .body("<h1>hello response</h1>");
17
    }
18
}