一，無參介面：

    //無參介面
    @RequestMapping("/appSecret")
    public String secret() {
        return "EK125EKLNGKNELKGKGNKLEGNK87";
    }

　　訪問介面

二，帶參介面：

 @RequestMapping("/serviceTime")
    public String time(@RequestParam(value = "local", required = true) String local) {
        System.out.println(
 
"local:"+local);
        return "2018-8-8 18:36:00";
    }

　　訪問介面

三，多參介面

//多參介面，表單
    @RequestMapping("/register")
    public Account register(String username, String password) {
        Account user = new Account();
        user.setUsername(username);
        user.setPassword(password);
        
 
return user;
    }

　　訪問介面

四，json例項物件

//json實體物件
    @RequestMapping(value = "/addAccount", method = RequestMethod.POST)
    public Account addAccount(@RequestBody Account account) {
        System.out.print(account.getUsername());
        return account;
    }

　　訪問介面：

五，路徑引數：

//路徑引數
    @RequestMapping(value="/searchAccountById/{id}",method = RequestMethod.POST)
    public String searchAccountById(@PathVariable("id") int id) {
        return "{id:"+id+"}";
    }
    @RequestMapping(value="/formatDate/{year}-{month}-{day}",method = RequestMethod.POST)
    public String formatDate(@PathVariable("year") int year, @PathVariable("month") int month, @PathVariable("day") int day) {
        return year + "年" + month + "月" + day + "日";
    }

　　訪問介面

Controller程式碼：

package com.example.demo.controllers;

import com.example.demo.domain.Account;
import org.springframework.web.bind.annotation.*;

/**
 * Created by zhang_guang_yang on 2018/11/18.
 */
@RestController
public class UserBusinessController {

    //無參介面
    @RequestMapping("/appSecret")
    public String secret() {
        return "EK125EKLNGKNELKGKGNKLEGNK87";
    }

    //帶參介面
    @RequestMapping("/serviceTime")
    public String time(@RequestParam(value = "local", required = true) String local) {
        System.out.println("local:"+local);
        return "2018-8-8 18:36:00";
    }

    //多參介面，表單
    @RequestMapping("/register")
    public Account register(String username, String password) {
        Account user = new Account();
        user.setUsername(username);
        user.setPassword(password);
        return user;
    }

    //json實體物件
    @RequestMapping(value = "/addAccount", method = RequestMethod.POST)
    public Account addAccount(@RequestBody Account account) {
        System.out.print(account.getUsername());
        return account;
    }

    //路徑引數
    @RequestMapping(value="/searchAccountById/{id}",method = RequestMethod.POST)
    public String searchAccountById(@PathVariable("id") int id) {
        return "{id:"+id+"}";
    }
    @RequestMapping(value="/formatDate/{year}-{month}-{day}",method = RequestMethod.POST)
    public String formatDate(@PathVariable("year") int year, @PathVariable("month") int month, @PathVariable("day") int day) {
        return year + "年" + month + "月" + day + "日";
    }


}