Spring Boot? 统一异常处理
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效果区：
代码区：
package com.wls.integrateplugs.exception.dto;
public class ErrorInfo<T> {
public static final Integer OK = 200;
public static final Integer ERROR = 500;
private Integer code;
private String message;
private String url;
private T data;
public String getUrl() {
return url;
}
public void setUrl(String url) {
this.url = url;
}
public static Integer getOK() {
return OK;
}
public static Integer getERROR() {
return ERROR;
}
public Integer getCode() {
return code;
}
public void setCode(Integer code) {
this.code = code;
}
public String getMessage() {
return message;
}
public void setMessage(String message) {
this.message = message;
}
public T getData() {
return data;
}
public void setData(T data) {
this.data = data;
}
}
package com.wls.integrateplugs.exception;
import com.wls.integrateplugs.mvc.enums.RespEnum;
/**
* Created by wls on 2017/8/7.
*/
public class MyException extends RuntimeException {
private Integer code;
public MyException() {
}
public MyException(RespEnum respEnum) {
super(respEnum.getMsg());
this.code = respEnum.getCode();
}
public Integer getCode() {
return code;
}
public void setCode(Integer code) {
this.code = code;
}
}
package com.wls.integrateplugs.exception.controller;
import com.wls.integrateplugs.exception.MyException;
import com.wls.integrateplugs.mvc.enums.RespEnum;
import org.springframework.stereotype.Controller;
import org.springframework.web.bind.annotation.RequestMapping;
@Controller
@RequestMapping(value = "/exception")
public class ExceptionController {
@RequestMapping("/html")
public String hello() throws Exception {
throw new Exception("发生错误");
}
@RequestMapping("/json")
public String json() throws MyException {
throw new MyException(RespEnum.UNKNOW_CODE);
}
}
package com.wls.integrateplugs.exception.handle;
import com.wls.integrateplugs.exception.MyException;
import com.wls.integrateplugs.exception.dto.ErrorInfo;
import com.wls.integrateplugs.mvc.util.http.RespUtil;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
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;
import javax.servlet.http.HttpServletRequest;
/**
* Created by wls on 2017/8/7.
*/
@ControllerAdvice
public class ExceptionHandle {
Logger logger = LoggerFactory.getLogger(ExceptionHandle.class);
/*@ExceptionHandler(value = Exception.class)
@ResponseBody
public RespUtil handle(Exception e){
// synchronized ()
if(e instanceof MyException){
MyException myException = (MyException) e;
return RespUtil.error(myException.getCode(),myException.getMessage());
}else{
logger.info("【异常信息】：{}",e);
return RespUtil.error(-1,"未知错误！");
}
}*/
@ExceptionHandler(value = Exception.class)
public ModelAndView defaultErrorHandler(HttpServletRequest req, Exception e) throws Exception {
ModelAndView mav = new ModelAndView();
mav.addObject("exception", e);
mav.addObject("url", req.getRequestURL());
mav.setViewName("error");
return mav;
}
@ExceptionHandler(value = MyException.class)
@ResponseBody
public ErrorInfo<String> jsonErrorHandler(HttpServletRequest req, MyException e) throws Exception {
ErrorInfo<String> r = new ErrorInfo<>();
r.setMessage(e.getMessage());
r.setCode(ErrorInfo.ERROR);
r.setData("Some Data");
r.setUrl(req.getRequestURL().toString());
return r;
}
}
<!DOCTYPE html>
<html xmlns:th="http://www.w3.org/1999/xhtml">
<head lang="en">
<meta charset="UTF-8" />
<title>统一异常处理</title>
</head>
<body>
<h1>Error Handler</h1>
<div th:text="${url}"></div>
<div th:text="${exception.message}"></div>
</body>
</html>
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