<dependency>
?? ? ?<groupId>org.springframework.boot</groupId>
?? ? ?<artifactId>spring-boot-starter-aop</artifactId>
</dependency>

import com.terse.develop.utils.exception.AdminException;
import com.terse.develop.utils.exception.MsgResultException;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import org.springframework.http.converter.HttpMessageNotReadableException;
import org.springframework.validation.BindException;
import org.springframework.validation.FieldError;
import org.springframework.web.HttpRequestMethodNotSupportedException;
import org.springframework.web.bind.ServletRequestBindingException;
import org.springframework.web.bind.annotation.ExceptionHandler;
import org.springframework.web.bind.annotation.ResponseBody;
import org.springframework.web.bind.annotation.RestControllerAdvice;
import org.springframework.web.method.annotation.MethodArgumentTypeMismatchException;

import javax.validation.ConstraintViolation;
import javax.validation.ConstraintViolationException;
import java.io.IOException;
import java.net.ConnectException;
import java.util.List;
import java.util.Set;

/**
?* 全局異常處理
?*/
@RestControllerAdvice
@ResponseBody
public class ExceptionHandlerController {

? ? private static final Logger logger = LoggerFactory.getLogger(ExceptionHandlerController1.class);

? ? public static void print(Exception ex) {
? ? ? ? logger.error(ex.toString());
? ? ? ? ex.printStackTrace();
? ? }

? ? //Http請(qǐng)求方式不支持
? ? @ExceptionHandler(value = HttpRequestMethodNotSupportedException.class)
? ? public Exception HttpRequestMethodNotSupportedException(HttpRequestMethodNotSupportedException e) {
? ? ? ? print(e);
? ? ? ? return new Exception("Http請(qǐng)求方式不支持");
? ? }

?? ?/**
? ? ?* MsgResultException、AdminException 均為自定義異常類
? ? ?*/
? ? @ExceptionHandler(value = {MsgResultException.class, AdminException.class})
? ? public Exception exception(Exception e) {
? ? ? ? print(e);
? ? ? ? if (e instanceof MsgResultException)
? ? ? ? ? ? //捕獲什么異常信息就返回給前端什么信息
? ? ? ? ? ? return new MsgResultException(((MsgResultException) e).getMsg());
? ? ? ? else
? ? ? ? ? ? //只返回給后端"請(qǐng)重試"
? ? ? ? ? ? return new AdminException("請(qǐng)重試");
? ? }

? ? //request Body 讀取異常
? ? @ExceptionHandler(value = HttpMessageNotReadableException.class)
? ? public Exception httpMessageNotReadableException(HttpMessageNotReadableException e) {
? ? ? ? print(e);
? ? ? ? return new Exception("請(qǐng)檢查數(shù)據(jù)是否正確");
? ? }

? ? //參數(shù)類型轉(zhuǎn)換異常
? ? @ExceptionHandler(value = MethodArgumentTypeMismatchException.class)
? ? public Exception getNumberException(MethodArgumentTypeMismatchException e) {
? ? ? ? print(e);
? ? ? ? return new Exception("String類型不能轉(zhuǎn)換成數(shù)字類型");
? ? }

? ? /**
? ? ?* 校驗(yàn)基本類型
? ? ?*/
? ? @ExceptionHandler(value = ConstraintViolationException.class)
? ? public Exception ConstraintViolationExceptionHandler(ConstraintViolationException ex) {
? ? ? ? Set<ConstraintViolation<?>> constraintViolations = ex.getConstraintViolations();
? ? ? ? String msg = null;
? ? ? ? for (ConstraintViolation<?> cvl : constraintViolations) {
? ? ? ? ? ? msg = cvl.getMessageTemplate();
? ? ? ? }
? ? ? ? logger.error(msg);
? ? ? ? return new Exception(msg);
? ? }

? ? //缺少參數(shù)異常
? ? @ExceptionHandler(value = ServletRequestBindingException.class)
? ? public Exception ServletRequestBindingException(ServletRequestBindingException e) {
? ? ? ? print(e);
? ? ? ? return new Exception("缺少參數(shù)");
? ? }

? ? /**
? ? ?* 校驗(yàn)對(duì)象類型
? ? ?*/
? ? @ExceptionHandler(value = BindException.class)
? ? public Exception BindExceptionHandler(BindException bindException) {
? ? ? ? List<FieldError> fieldErrors = bindException.getFieldErrors();
? ? ? ? String msg = null;
? ? ? ? for (FieldError fieldError : fieldErrors) {
? ? ? ? ? ? msg = fieldError.getDefaultMessage();
? ? ? ? }
? ? ? ? return new Exception(msg);
? ? }

? ? //請(qǐng)求異常
? ? @ExceptionHandler(value = ConnectException.class)
? ? public Exception connectException(ConnectException e) {
? ? ? ? print(e);
? ? ? ? return new Exception("服務(wù)器異常,請(qǐng)聯(lián)系管理員");
? ? }

? ? //IO流異常
? ? @ExceptionHandler(value = IOException.class)
? ? public Exception ioException(IOException e) {
? ? ? ? e.printStackTrace();
? ? ? ? return new Exception("IO流處理異常,請(qǐng)聯(lián)系管理員");
? ? }

}

@ExceptionHandler()
public String handleExeption2(Exception ex) {
? ? System.out.println("拋異常了:" + ex);
? ? ex.printStackTrace();
? ? String resultStr = "異常：默認(rèn)";
? ? return resultStr;
}

@ExceptionHandler(NumberFormatException.class)
public String handleExeption(Exception ex) {
? ? System.out.println("拋異常了:" + ex);
? ? ex.printStackTrace();
? ? String resultStr = "異常：NumberFormatException";
? ? return resultStr;
}

@ExceptionHandler(NumberFormatException.class)
public String handleExeption(Exception ex) {
? ? System.out.println("拋異常了:" + ex);
? ? ex.printStackTrace();
? ? String resultStr = "異常：NumberFormatException";
? ? return resultStr;
}
?
@ExceptionHandler()
public String handleExeption2(Exception ex) {
? ? System.out.println("拋異常了:" + ex);
? ? ex.printStackTrace();
? ? String resultStr = "異常：默認(rèn)";
? ? return resultStr;
}
?
@ExceptionHandler(RuntimeException.class)
public String handleExeption3(Exception ex) {
? ? System.out.println("拋異常了:" + ex);
? ? ex.printStackTrace();
? ? String resultStr = "異常：RuntimeException";
? ? return resultStr;
}

@ExceptionHandler(NumberFormatException.class)
@ResponseBody
public String handleExeption(Exception ex) {
? ? System.out.println("拋異常了:" + ex);
? ? ex.printStackTrace();
? ? String resultStr = "異常：NumberFormatException";
? ? return resultStr;
}

@ExceptionHandler(NumberFormatException.class)
@ResponseBody
public String handleExeption(Exception ex) {
? ? System.out.println("拋異常了:" + ex);
? ? ex.printStackTrace();
? ? String resultStr = "異常：NumberFormatException";
? ? return resultStr;
}
?
@ExceptionHandler(NumberFormatException.class)
@ResponseBody
public String handleExeption2(Exception ex) {
? ? System.out.println("拋異常了:" + ex);
? ? ex.printStackTrace();
? ? String resultStr = "異常：默認(rèn)";
? ? return resultStr;
}