搭建一套框架出来：
Springboot+Mybatis+Mysql
用的Restful的风格
增删改查对应的是：
增：postmapping
删：deletemapping
改：putmapping
查：getmapping
注意事项：
1.增和改的请求头Content-Type application/json
2.Pathvariable("id") Integer id
============UserController===============
import cn.match.hesuan.entity.User;
import cn.match.hesuan.param.UserParam;
import cn.match.hesuan.service.UserService;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.web.bind.annotation.*;
/**
* Created by mac120 on 20-2-29.
*/
@RestController
@RequestMapping("/sys/user")
public class UserController {
@Autowired
UserServiceuserService;
/**
* 增加用户
*
* @param user
* @return
*/
@PostMapping(value ="/saveUser")
public int saveUser(@RequestBody UserParam param) {
int flag =userService.insertUser(param);
if (flag ==1) {
System.out.println("插入成功");
return 1;
}else {
System.out.println("插入失败");
return 0;
}
}
/**
* 更新用户
*
* @param user
* @return
*/
@PutMapping(value ="/updateUser")
public int updateUser(@RequestBody UserParam userParam) {
int flag =userService.updateUser(userParam);
if (flag ==1) {
System.out.println("更新成功");
return 1;
}else {
System.out.println("更新失败");
return 0;
}
}
/**
*
*/
@DeleteMapping(value ="/deleteUser/{id}")
public int removeUser(@PathVariable("id") Integer id) {
int flag =userService.deleteUser(id);
if (flag ==1) {
System.out.println("删除成功");
return 1;
}else {
System.out.println("删除失败");
return 0;
}
}
@GetMapping(value ="/getUser")
public User getUserInfo(int id) {
return userService.selectUserInfo(id);
}
}
===============UserMapper.xml====================
INSERT into sys_user(id,user_name,head_url) VALUE (#{id,jdbcType=INTEGER},#{userName,jdbcType=VARCHAR},#{headUrl,jdbcType=VARCHAR})
update sys_user
set user_name = #{userName,jdbcType=VARCHAR},
head_url = #{headUrl,jdbcType=VARCHAR}
where id = #{id,jdbcType=INTEGER}
delete from sys_user where id = #{id,jdbcType=INTEGER}
select* from sys_user WHERE
1=1
and id = #{id,jdbcType=INTEGER}
===============application.yml==================================
spring:
profiles:
active: dev
==================application-dev.yml=========================
server:
port: 8080
spring:
datasource:
username: root
password: root
url: jdbc:mysql://localhost:3306/springboot?useUnicode=true&characterEncoding=utf-8&useSSL=true&serverTimezone=UTC
driver-class-name: com.mysql.jdbc.Driver
mybatis:
mapper-locations: classpath:mapping/*Mapper.xml
type-aliases-package: cn.match.hesuan.entity
#showSql
=============
http://localhost:8080/sys/user/updateUser
{"id":"2","userName":"美国","headUrl":"美国1"}