feat:增加统一异常处理
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fanxb
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154a744fdc
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33
spring-boot/exceptionTest/.gitignore
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33
spring-boot/exceptionTest/.gitignore
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HELP.md
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target/
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!.mvn/wrapper/maven-wrapper.jar
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!**/src/main/**/target/
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!**/src/test/**/target/
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### STS ###
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.apt_generated
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.classpath
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.factorypath
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.project
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.settings
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.springBeans
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.sts4-cache
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### IntelliJ IDEA ###
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.idea
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*.iws
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*.iml
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*.ipr
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### NetBeans ###
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/nbproject/private/
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/nbbuild/
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/dist/
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/nbdist/
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/.nb-gradle/
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build/
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!**/src/main/**/build/
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!**/src/test/**/build/
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### VS Code ###
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.vscode/
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50
spring-boot/exceptionTest/pom.xml
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50
spring-boot/exceptionTest/pom.xml
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<?xml version="1.0" encoding="UTF-8"?>
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<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
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xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 https://maven.apache.org/xsd/maven-4.0.0.xsd">
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<modelVersion>4.0.0</modelVersion>
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<parent>
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<groupId>org.springframework.boot</groupId>
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<artifactId>spring-boot-starter-parent</artifactId>
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<version>2.5.5</version>
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<relativePath/> <!-- lookup parent from repository -->
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</parent>
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<groupId>com.fanxb</groupId>
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<artifactId>exceptionTest</artifactId>
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<version>0.0.1-SNAPSHOT</version>
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<name>exceptionTest</name>
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<description>Demo project for Spring Boot</description>
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<properties>
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<java.version>11</java.version>
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</properties>
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<dependencies>
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<dependency>
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<groupId>org.springframework.boot</groupId>
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<artifactId>spring-boot-starter-web</artifactId>
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</dependency>
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<dependency>
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<groupId>org.projectlombok</groupId>
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<artifactId>lombok</artifactId>
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<optional>true</optional>
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</dependency>
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</dependencies>
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<build>
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<plugins>
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<plugin>
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<groupId>org.springframework.boot</groupId>
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<artifactId>spring-boot-maven-plugin</artifactId>
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<version>${project.parent.version}</version>
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<configuration>
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<excludes>
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<exclude>
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<groupId>org.projectlombok</groupId>
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<artifactId>lombok</artifactId>
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</exclude>
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</excludes>
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</configuration>
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</plugin>
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</plugins>
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</build>
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</project>
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package com.fanxb.exceptiontest;
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import org.springframework.boot.SpringApplication;
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import org.springframework.boot.autoconfigure.SpringBootApplication;
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@SpringBootApplication
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public class ExceptionTestApplication {
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public static void main(String[] args) {
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SpringApplication.run(ExceptionTestApplication.class, args);
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}
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}
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package com.fanxb.exceptiontest.config;
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import com.fanxb.exceptiontest.entity.Result;
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import com.fanxb.exceptiontest.entity.exception.BaseException;
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import com.fanxb.exceptiontest.entity.exception.CustomBusinessException;
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import com.fasterxml.jackson.databind.ser.Serializers;
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import lombok.extern.slf4j.Slf4j;
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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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/**
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* @author fanxb
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* @date 2021-09-24-下午4:37
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*/
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@RestControllerAdvice
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@Slf4j
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public class ExceptionHandle {
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@ExceptionHandler(Exception.class)
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public Result handleException(Exception e) {
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BaseException be;
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if (e instanceof BaseException) {
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be = (BaseException) e;
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//手动抛出的异常，仅记录message
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log.info("baseException:{}", be.getMessage());
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if (be instanceof CustomBusinessException) {
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//可在这里进行一些针对特定异常的处理逻辑
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log.info("customBusinessException:{}", be.getMessage());
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}
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} else {
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//其它异常，非自动抛出的,无需给前端返回具体错误内容（用户不需要看见空指针之类的异常信息）
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log.error("other exception:{}", e.getMessage(), e);
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be = new BaseException("系统异常，请稍后重试", e);
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}
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return new Result(be.getCode(), be.getMessage(), null);
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}
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}
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package com.fanxb.exceptiontest.controller;
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import com.fanxb.exceptiontest.entity.Result;
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import com.fanxb.exceptiontest.entity.exception.BaseException;
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import com.fanxb.exceptiontest.entity.exception.CustomBusinessException;
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import org.springframework.web.bind.annotation.GetMapping;
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import org.springframework.web.bind.annotation.RestController;
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/**
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* @author fanxb
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* @date 2021-09-24-下午4:46
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*/
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@RestController
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public class TestController {
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@GetMapping("/test1")
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public Result test1() {
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throw new BaseException("我是test1", null);
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}
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@GetMapping("/test2")
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public Result test2() {
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throw new CustomBusinessException("我是test2", null);
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}
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@GetMapping("/test3")
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public Result test3() {
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throw new RuntimeException("我是test2");
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}
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}
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package com.fanxb.exceptiontest.entity;
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import lombok.AllArgsConstructor;
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import lombok.Data;
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import lombok.NoArgsConstructor;
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import java.io.Serializable;
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/**
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* @author fanxb
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* @date 2021-09-24-下午4:39
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*/
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@Data
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@AllArgsConstructor
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@NoArgsConstructor
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public class Result implements Serializable {
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private static final long serialVersionUID = 451834802206432869L;
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/**
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* 1：成功,其他失败,具体数值在自定义的异常类中
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*/
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private int code;
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/**
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* message提示内容，当接口异常时提示异常信息
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*/
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private String message;
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/**
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* 携带真正需要返回的数据
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*/
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private Object data;
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public static Result success(Object obj) {
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return new Result(1, null, obj);
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}
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}
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package com.fanxb.exceptiontest.entity.exception;
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import lombok.Data;
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import lombok.EqualsAndHashCode;
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import lombok.Getter;
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/**
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* @author fanxb
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* @date 2021-09-24-下午5:13
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*/
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@Getter
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public class BaseException extends RuntimeException {
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private static final long serialVersionUID = -3149747381632839680L;
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/**
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* 基本错误code为0
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*/
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private static final int BASE_CODE = 0;
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private final int code;
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private final String message;
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public BaseException() {
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this(null, null, null);
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}
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public BaseException(String message) {
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this(message, null, null);
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}
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public BaseException(Exception e) {
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this(null, null, e);
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}
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public BaseException(String message, Exception e) {
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this(message, null, e);
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}
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protected BaseException(String message, Integer code, Exception e) {
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super(e);
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this.message = message == null ? "" : message;
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this.code = code == null ? BASE_CODE : code;
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}
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@Override
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public String getMessage() {
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if (this.message != null && this.message.length() > 0) {
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return this.message;
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}
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return super.getMessage();
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}
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}
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@ -0,0 +1,22 @@
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package com.fanxb.exceptiontest.entity.exception;
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/**
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* @author fanxb
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* @date 2021-09-26-上午10:41
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*/
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public class CustomBusinessException extends BaseException {
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private static final long serialVersionUID = 1564935267302330109L;
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/**
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* 自定义业务异常错误码
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*/
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private static final int ERROR_CODE = -1;
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public CustomBusinessException() {
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super("自定义义务异常", ERROR_CODE, null);
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}
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public CustomBusinessException(String message, Exception e) {
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super(message, ERROR_CODE, e);
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}
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}
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@ -0,0 +1 @@
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