package com.yuanchu.tms.handler;
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import com.yuanchu.tms.exception.MyFileException;
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import com.yuanchu.tms.vo.Result;
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import lombok.extern.slf4j.Slf4j;
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import org.apache.tomcat.util.http.fileupload.impl.FileSizeLimitExceededException;
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import org.apache.tomcat.util.http.fileupload.impl.SizeLimitExceededException;
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import org.springframework.beans.ConversionNotSupportedException;
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import org.springframework.beans.TypeMismatchException;
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import org.springframework.beans.factory.NoSuchBeanDefinitionException;
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import org.springframework.beans.factory.annotation.Autowired;
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import org.springframework.beans.factory.annotation.Value;
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import org.springframework.dao.DuplicateKeyException;
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import org.springframework.http.converter.HttpMessageNotReadableException;
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import org.springframework.http.converter.HttpMessageNotWritableException;
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import org.springframework.jdbc.BadSqlGrammarException;
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import org.springframework.validation.ObjectError;
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import org.springframework.web.bind.MethodArgumentNotValidException;
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import org.springframework.web.bind.annotation.ExceptionHandler;
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import org.springframework.web.bind.annotation.RestControllerAdvice;
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import org.springframework.web.multipart.MultipartException;
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import javax.servlet.http.HttpServletResponse;
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import java.io.FileNotFoundException;
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import java.io.IOException;
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import java.sql.SQLException;
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import java.util.List;
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import java.util.stream.Collectors;
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@Slf4j
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@RestControllerAdvice
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public class GlobalExceptionHandler {
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@Autowired
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HttpServletResponse response;
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@ExceptionHandler(SQLException.class)
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public Result<?> handlerSQLException(SQLException e) {
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log.error(e.getMessage().toLowerCase(), e);
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response.setStatus(500);
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return Result.fail("数据操作失败！请联系管理员");
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}
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/**
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* 唯一值在数据库中重复
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* Duplicate entry ' ' for key ' '
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*
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* @param e：重复键异常
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* @return 199
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*/
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@ExceptionHandler
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public Result<?> DuplicateKeyException(DuplicateKeyException e) {
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log.error(String.valueOf(e));
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String message = e.getCause().getMessage();
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String[] split = message.split("'");
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response.setStatus(500);
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return Result.fail("重复添加：【" + split[1] + "】操作失败！");
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}
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@ExceptionHandler
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public Result<?> NullPointerException(NullPointerException e) {
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e.printStackTrace();
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response.setStatus(500);
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return Result.fail("部分参数为空，请检查！");
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}
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/**
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* 运行时异常
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*/
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@ExceptionHandler(RuntimeException.class)
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public Result<?> runtimeExceptionHandler(RuntimeException e) {
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e.printStackTrace();
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response.setStatus(500);
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return Result.fail("运行时异常");
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}
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/**
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* 类型转换异常
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*/
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@ExceptionHandler(ClassCastException.class)
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public Result<?> classCastExceptionHandler(ClassCastException e) {
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e.printStackTrace();
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response.setStatus(500);
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return Result.fail("类型转换异常");
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}
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/**
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* 文件未找到异常
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*/
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@ExceptionHandler(FileNotFoundException.class)
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public Result<?> FileNotFoundException(FileNotFoundException e) {
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e.printStackTrace();
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response.setStatus(500);
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return Result.fail("文件未找到异常");
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}
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/**
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* 数字格式异常
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*/
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@ExceptionHandler(NumberFormatException.class)
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public Result<?> NumberFormatException(NumberFormatException e) {
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e.printStackTrace();
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response.setStatus(500);
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return Result.fail("数字格式异常");
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}
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/**
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* 安全异常
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*/
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@ExceptionHandler(SecurityException.class)
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public Result<?> SecurityException(SecurityException e) {
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e.printStackTrace();
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response.setStatus(500);
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return Result.fail("安全异常");
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}
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/**
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* 类型不存在异常
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*/
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@ExceptionHandler(TypeNotPresentException.class)
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public Result<?> TypeNotPresentException(TypeNotPresentException e) {
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e.printStackTrace();
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response.setStatus(500);
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return Result.fail("类型不存在异常");
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}
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/**
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* IO异常
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*/
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@ExceptionHandler(IOException.class)
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public Result<?> iOExceptionHandler(IOException e) {
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e.printStackTrace();
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response.setStatus(500);
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return Result.fail("IO异常");
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}
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/**
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* 未知方法异常
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*/
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@ExceptionHandler(NoSuchMethodException.class)
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public Result<?> noSuchMethodExceptionHandler(NoSuchMethodException e) {
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e.printStackTrace();
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response.setStatus(500);
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return Result.fail("未知方法异常");
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}
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/**
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* 数组越界异常
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*/
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@ExceptionHandler(IndexOutOfBoundsException.class)
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public Result<?> indexOutOfBoundsExceptionHandler(IndexOutOfBoundsException e) {
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e.printStackTrace();
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response.setStatus(500);
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return Result.fail("数组越界异常");
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}
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/**
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* sql语法错误异常
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*/
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@ExceptionHandler(BadSqlGrammarException.class)
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public Result<?> BadSqlGrammarException(BadSqlGrammarException e) {
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e.printStackTrace();
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response.setStatus(500);
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return Result.fail("sql语法错误异常");
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}
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/**
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* 无法注入bean异常
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*/
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@ExceptionHandler(NoSuchBeanDefinitionException.class)
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public Result<?> NoSuchBeanDefinitionException(NoSuchBeanDefinitionException e) {
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e.printStackTrace();
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response.setStatus(500);
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return Result.fail("无法注入bean");
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}
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/**
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* Http消息不可读异常
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*/
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@ExceptionHandler({HttpMessageNotReadableException.class})
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public Result<?> requestNotReadable(HttpMessageNotReadableException e) {
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e.printStackTrace();
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response.setStatus(500);
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return Result.fail("Http消息不可读");
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}
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/**
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* 400错误
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*/
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@ExceptionHandler({TypeMismatchException.class})
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public Result<?> requestTypeMismatch(TypeMismatchException e) {
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e.printStackTrace();
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response.setStatus(500);
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return Result.fail("服务器异常");
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}
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/**
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* 500错误
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*/
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@ExceptionHandler({ConversionNotSupportedException.class, HttpMessageNotWritableException.class})
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public Result<?> server500(RuntimeException e) {
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e.printStackTrace();
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response.setStatus(500);
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return Result.fail("服务器异常");
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}
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/**
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* 栈溢出
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*/
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@ExceptionHandler({StackOverflowError.class})
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public Result<?> requestStackOverflow(StackOverflowError e) {
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e.printStackTrace();
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response.setStatus(500);
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return Result.fail("栈溢出异常");
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}
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/**
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* 除数不能为0
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*/
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@ExceptionHandler({ArithmeticException.class})
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public Result<?> arithmeticException(ArithmeticException e) {
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e.printStackTrace();
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response.setStatus(500);
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return Result.fail("除数不能为0异常");
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}
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/**
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* 参数检验
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*/
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@ExceptionHandler({MethodArgumentNotValidException.class})
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public Result<?> methodArgumentNotValidException(MethodArgumentNotValidException e) {
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List<ObjectError> allErrors = e.getBindingResult().getAllErrors();
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String message = allErrors.stream().map(s -> s.getDefaultMessage()).collect(Collectors.joining(";"));
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return Result.fail(message);
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}
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@Value("${spring.servlet.multipart.max-file-size}")
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private String maxFileSize;
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@Value("${spring.servlet.multipart.max-request-size}")
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private String maxRequestSize;
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/**
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*文件过大报错提示
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*/
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@ExceptionHandler({MultipartException.class})
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public Result<?> fileUploadExceptionHandler(MultipartException e) {
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String msg;
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Throwable rootCause = e.getRootCause();
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if (rootCause instanceof FileSizeLimitExceededException) {
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msg="上传文件过大【单个文件大小不得超过" + maxFileSize + "】";
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}else if(rootCause instanceof SizeLimitExceededException){
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msg="上传文件过大【总上传大小不得超过" + maxRequestSize + "】";
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}else {
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msg="文件上传失败【服务器异常】";
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}
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return Result.fail(msg);
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}
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/** 文件后缀名不通过返回提示 */
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@ExceptionHandler({MyFileException.class})
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public Result<?> myFileException(Exception e) {
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return Result.fail("抱歉不支持【" + e.getMessage() +"】后缀的文件！");
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}
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/** 其他错误 */
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/**
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* 其他错误
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*/
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@ExceptionHandler({Exception.class})
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public Result<?> exception(Exception e) {
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e.printStackTrace();
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response.setStatus(500);
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return Result.fail("网络连接失败，请退出后再试");
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}
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}
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