cn.fscode.commons.web.handler

类 GlobalExceptionHandler

java.lang.Object

cn.fscode.commons.web.handler.GlobalExceptionHandler

@ControllerAdvice
 @RestController
public class GlobalExceptionHandler
extends Object

全局异常处理,throw new BusinessException(ResultEnum.FAILURE);要在控制层中使用，如果在服务层使用，不会 走BusinessException方法处理，只会走Exception方法进行处理 以下来自stackoverflow

作者:

shenguangyang

构造器概要

构造器

构造器和说明
GlobalExceptionHandler()

方法概要

限定符和类型	方法和说明
Object	baseException(cn.fscode.commons.tool.core.exception.BaseException e, javax.servlet.http.HttpServletRequest request) 基本异常
Object	bindException(Exception e, javax.servlet.http.HttpServletRequest request) 处理实体字段校验不通过异常 ConstraintViolationException: 普通参数(非 java bean)校验出错时抛出 把校验注解写在参数上 MethodArgumentNotValidException：json请求体绑定到java bean上失败时抛出(参数验证失败) BindException：表单提交请求参数绑定到java bean上失败时抛出 这种异常不能在参数对象上加@RequestBody (参数绑定失败) @apiNote MethodArgumentNotValidException 继承 BindException
Object	bizException(cn.fscode.commons.tool.core.exception.BizException e, javax.servlet.http.HttpServletRequest request) 业务异常
Object	constraintViolationException(javax.validation.ConstraintViolationException e, javax.servlet.http.HttpServletRequest request)
Object	defaultExceptionHandler(Exception e, javax.servlet.http.HttpServletRequest request) 声明要捕获的异常
Object	exceptionHandler(javax.servlet.http.HttpServletRequest request, Exception e) 处理空指针的异常
Object	handleHttpMediaTypeNotSupportedException(Exception e, javax.servlet.http.HttpServletRequest request) 415 - Unsupported Media Type
Object	handleHttpRequestMethodNotSupportedException(org.springframework.web.HttpRequestMethodNotSupportedException e, javax.servlet.http.HttpServletRequest request, javax.servlet.http.HttpServletResponse response) 405 - Method Not Allowed
Object	httpMessageNotReadableException(javax.servlet.http.HttpServletRequest request, Exception e) 参数解析失败
Object	illegalArgumentException(javax.servlet.http.HttpServletRequest request, Exception e)
void	init()
Object	methodArgumentTypeMismatchException(javax.servlet.http.HttpServletRequest req, Exception e) 方法参数类型不匹配
Object	missingServletRequestParameterException(javax.servlet.http.HttpServletRequest req, org.springframework.web.bind.MissingServletRequestParameterException e) 当调用接口时候如果没有传入某个参数就会报出当前异常
Object	noHandlerFoundException(javax.servlet.http.HttpServletRequest req, Exception e) 请求资源不存在异常

从类继承的方法 java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

构造器详细资料

GlobalExceptionHandler

public GlobalExceptionHandler()

方法详细资料

init

@PostConstruct
public void init()

noHandlerFoundException

@ExceptionHandler(value=org.springframework.web.servlet.NoHandlerFoundException.class)
public Object noHandlerFoundException(javax.servlet.http.HttpServletRequest req,
                                                                                                                              Exception e)

请求资源不存在异常

参数:

req - 请求

e - 异常

返回:

返回结果

missingServletRequestParameterException

@ExceptionHandler(value=org.springframework.web.bind.MissingServletRequestParameterException.class)
public Object missingServletRequestParameterException(javax.servlet.http.HttpServletRequest req,
                                                                                                                                                           org.springframework.web.bind.MissingServletRequestParameterException e)

当调用接口时候如果没有传入某个参数就会报出当前异常

methodArgumentTypeMismatchException

@ExceptionHandler(value=org.springframework.web.method.annotation.MethodArgumentTypeMismatchException.class)
public Object methodArgumentTypeMismatchException(javax.servlet.http.HttpServletRequest req,
                                                                                                                                                                Exception e)

方法参数类型不匹配

httpMessageNotReadableException

@ExceptionHandler(value=org.springframework.http.converter.HttpMessageNotReadableException.class)
public Object httpMessageNotReadableException(javax.servlet.http.HttpServletRequest request,
                                                                                                                                                 Exception e)

参数解析失败

bindException

@ExceptionHandler(value={org.springframework.validation.BindException.class,org.springframework.web.bind.MethodArgumentNotValidException.class})
public Object bindException(Exception e,
                                                                                                                                                                              javax.servlet.http.HttpServletRequest request)

处理实体字段校验不通过异常

ConstraintViolationException: 普通参数(非 java bean)校验出错时抛出 把校验注解写在参数上

MethodArgumentNotValidException：json请求体绑定到java bean上失败时抛出(参数验证失败)

BindException：表单提交请求参数绑定到java bean上失败时抛出 这种异常不能在参数对象上加@RequestBody (参数绑定失败)

@apiNote MethodArgumentNotValidException 继承 BindException

constraintViolationException

@ExceptionHandler(value=javax.validation.ConstraintViolationException.class)
public Object constraintViolationException(javax.validation.ConstraintViolationException e,
                                                                                                                         javax.servlet.http.HttpServletRequest request)

handleHttpRequestMethodNotSupportedException

@ExceptionHandler(value=org.springframework.web.HttpRequestMethodNotSupportedException.class)
public Object handleHttpRequestMethodNotSupportedException(org.springframework.web.HttpRequestMethodNotSupportedException e,
                                                                                                                                                          javax.servlet.http.HttpServletRequest request,
                                                                                                                                                          javax.servlet.http.HttpServletResponse response)

405 - Method Not Allowed

handleHttpMediaTypeNotSupportedException

@ExceptionHandler(value=org.springframework.web.HttpMediaTypeNotSupportedException.class)
public Object handleHttpMediaTypeNotSupportedException(Exception e,
                                                                                                                                                  javax.servlet.http.HttpServletRequest request)

415 - Unsupported Media Type

exceptionHandler

@ExceptionHandler(value=java.lang.NullPointerException.class)
public Object exceptionHandler(javax.servlet.http.HttpServletRequest request,
                                                                                              Exception e)

处理空指针的异常

illegalArgumentException

@ExceptionHandler(value=java.lang.IllegalArgumentException.class)
public Object illegalArgumentException(javax.servlet.http.HttpServletRequest request,
                                                                                                          Exception e)

bizException

@ExceptionHandler(value=cn.fscode.commons.tool.core.exception.BizException.class)
public Object bizException(cn.fscode.commons.tool.core.exception.BizException e,
                                                                                                              javax.servlet.http.HttpServletRequest request)

业务异常

baseException

@ExceptionHandler(value=cn.fscode.commons.tool.core.exception.BaseException.class)
public Object baseException(cn.fscode.commons.tool.core.exception.BaseException e,
                                                                                                                javax.servlet.http.HttpServletRequest request)

基本异常

defaultExceptionHandler

@ExceptionHandler(value=java.lang.Exception.class)
public Object defaultExceptionHandler(Exception e,
                                                                                          javax.servlet.http.HttpServletRequest request)

声明要捕获的异常

参数:

request - 请求体

e - 异常

返回:

返回的结果