Request and response

Request mapping path

Team multiplayer development , Each person sets a different request path , How to solve the conflict — Set the module name as the request path prefix


Use postman The software sends a request

Request parameters

General parameter

Send with parameters Get request

Experimental operation

@Controller
@RequestMapping("/User")
public class UserController {
    
    //2.2 Set the access path of the current operation 
    @RequestMapping("/save")
    @ResponseBody
    public String save(String name){
    
        System.out.println(name);
        System.out.println("user save ...");
        return "{'module':'springmvc'}";
    }
}

When requesting parameter name and formal parameter variable name Different when , Use RequestParam Solve .

Send with parameters Post request

Be careful Post How the request is sent

POJO Parameters

public class User {
    
    String name;
    int id;
	// Omit Getter,Setter and ToString Method 
}

UserController.java

@Controller
@RequestMapping("/User")
public class UserController {
    
    //2.2 Set the access path of the current operation 
    @RequestMapping("/save")
    @ResponseBody
    public String save(User user){
    
        System.out.println(user);
        System.out.println("user save ...");
        return "{'module':'springmvc'}";
    }
}

POJO Nested POJO Parameters

Array parameters

Set parameters