GlobalExceptionHandler
package com.example.basedemo.globexception;
/*
* @Description: 请输入....
* @Author: 麦子
* @Date: 2019-06-24 10:52:09
* @LastEditTime: 2019-06-24 10:54:04
* @LastEditors: 麦子
*/
import java.util.HashMap;
import java.util.Map;
import javax.servlet.http.HttpServletRequest;
import org.springframework.web.bind.annotation.ControllerAdvice;
import org.springframework.web.bind.annotation.ExceptionHandler;
import org.springframework.web.bind.annotation.ResponseBody;
import org.springframework.web.servlet.ModelAndView;
@ControllerAdvice
public class GlobalExceptionHandler {
public static final String DEFAULT_ERROR_VIEW = "errorPrompt";
/***
* 页面错误
* @param req
* @param e
* @return
* @throws Exception
*/
@ExceptionHandler(value = MyPageException.class)
public ModelAndView businessExceptionHandler(HttpServletRequest req, MyPageException e){
ModelAndView mav = new ModelAndView();
mav.addObject("msg", e.getExceptionMsg());
mav.addObject("code", 410);
mav.setViewName(DEFAULT_ERROR_VIEW);
return mav;
}
/***
* JSON 格式错误
* @param req
* @param e
* @return
*/
@ExceptionHandler(value = MyJsonException.class)
@ResponseBody
public Map<String, Object> jsonExceptionHandler(HttpServletRequest req, MyJsonException e) {
Map<String, Object> re = new HashMap<String, Object>();
re.put("code",e.getCount());
re.put("msg", e.getExceptionMsg());
return re;
}
}
MyJsonException
@Data
@NoArgsConstructor
@AllArgsConstructor
public class MyJsonException extends Exception {
private String exceptionMsg;
private int count;
}
MyPageException
@Data
@NoArgsConstructor
@AllArgsConstructor
public class MyPageException extends Exception{
private String exceptionMsg;
private int code;
}
LoginService
@Service
public class LoginService {
public String showException() throws MyJsonException {
throw new MyJsonException("json错误异常",504);
}
}
LoginController
@Controller
public class LoginController {
@Autowired
private LoginService loginService;
@RequestMapping("loginView")
public ModelAndView loginView() throws MyPageException {
throw new MyPageException("page页面错误异常",404);
}
@RequestMapping("loginJson")
@ResponseBody
public String loginJson() throws MyJsonException {
return loginService.showException();
}
}
errorPrompt.ftl
<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<title>错误页面</title>
</head>
<body>
<h1>${code}</h1>
<h1>${msg}</h1>
</body>
</html>
运行结果如下
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