标签:控制 JsonResult cy result 注册 import com public
5.控制层
5.1json数据返回状态
package com.cy.store.utils;
import java.io.Serializable;
public class JsonResult<E> implements Serializable {
private Integer state;
private String message;
private E data;
public JsonResult(Integer state, E data) {
this.state = state;
this.data = data;
}
public JsonResult(Throwable e) {
this.message = e.getMessage();
}
public JsonResult(Integer state) {
this.state = state;
}
public JsonResult() {
}
public Integer getState() {
return state;
}
public void setState(Integer state) {
this.state = state;
}
public String getMessage() {
return message;
}
public void setMessage(String message) {
this.message = message;
}
public E getData() {
return data;
}
public void setData(E data) {
this.data = data;
}
}
5.2UserController
package com.cy.store.controller;
import com.cy.store.entity.User;
import com.cy.store.service.IUserService;
import com.cy.store.service.ex.InsertException;
import com.cy.store.service.ex.UsernameDeplicatedException;
import com.cy.store.utils.JsonResult;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.stereotype.Controller;
import org.springframework.web.bind.annotation.RequestMapping;
import org.springframework.web.bind.annotation.RestController;
//@Controller
@RestController
@RequestMapping("users")
public class UserController extends BaseController{
@Autowired
private IUserService iUserService;
@RequestMapping("reg")
public JsonResult<Void> reg(User user)
{
iUserService.reg(user);
return new JsonResult<>(OK);
}
/*@RequestMapping("reg")
public JsonResult<Void> reg(User user)
{
JsonResult<Void> result = new JsonResult<>();
try {
iUserService.reg(user);
result.setState(200);
result.setMessage("注册成功");
} catch (UsernameDeplicatedException e) {
result.setState(4000);
result.setMessage("用户名占用");
}
catch (InsertException e)
{
result.setState(5000);
result.setMessage("未知异常");
}
return result;
}*/
}
5.3BaseController
package com.cy.store.controller;
import com.cy.store.service.ex.InsertException;
import com.cy.store.service.ex.ServiceExcepiton;
import com.cy.store.service.ex.UsernameDeplicatedException;
import com.cy.store.utils.JsonResult;
import org.springframework.web.bind.annotation.ExceptionHandler;
public class BaseController {
public static final int OK = 200;
@ExceptionHandler(ServiceExcepiton.class) //用于统一处理抛出的异常
public JsonResult<Void> handle(Throwable e)
{
JsonResult<Void> result = new JsonResult<>();
if(e instanceof UsernameDeplicatedException)
{
result.setState(4000);
result.setMessage("用户名已经占用");
}
else if (e instanceof InsertException)
{
result.setState(5000);
result.setMessage("注册时候产生未知异常");
}
return result;
}
}
标签:控制,JsonResult,cy,result,注册,import,com,public 来源: https://www.cnblogs.com/shuangshuangzi/p/15977931.html
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