Spring boot 常见Controller接收参数方式

• get请求

@PathVariable

url/{name}

@RequestParam

url?name=

@GetMapping("/url/{name}")
public void demo(@PathVariable("name") String id, @RequestParam(name = "name") String name) {
    System.out.println("name1="+name);
    System.out.println("name2="+name);
}

• POST请求

@RequestBody

@PostMapping(path = "/url") 
public void demo1(@RequestBody Test test) { 
    System.out.println(test.toString()); 
}

curl -XPOST localhost:8080/url -d '{"name":"zhangsan"}'

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@PostMapping(path = "/url")
public void demo1(@RequestBody Map test) {
    System.out.println(test.get("name"));
}

无注解

@PostMapping(path = "/url")
public void demo1(Map test) {
    System.out.println(test.get("name"));
}

TEST类

public class Test {

    private String name;
    public void setName(String name){
        this.name = name;
    }
    public String getName(){
        return name;
    }

    @Override
    public String toString(){
        return "name:"+name;
    }
}

@RequestHeader

    curl -XPOST localhost:8080/test 
    --header 'userInfo: {"name":"zhangsan"}' 
    --header 'Content-Type: application/json' 
    --data-raw '{}'

    @PostMapping("/test")
    public void listProject(@RequestHeader Test test){
    	System.out.println(test);
    }

@cookievalue

    @RequestMapping("/hello2")
    public String hello2(HttpServletResponse response) {
        cookie cookie = new cookie("name", "瓜田李下");
        response.addcookie(cookie);

        return "success 2";
    }

    @RequestMapping("/hello3")
    public String hello3(HttpServletRequest request, @cookievalue("name") String name) {
        System.out.println(name);
        cookie[] cookies = request.getcookies();
        for (cookie cookie : cookies) {
            System.out.println(cookie.getName() + "  " + cookie.getValue());
        }
        return "success 3";
    }