新建项目，统一异常处理，统一返回数据格式

common/pom.xml

@@ -0,0 +1,19 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<project xmlns="http://maven.apache.org/POM/4.0.0"
+         xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
+         xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
+    <parent>
+        <artifactId>yxk_StoreroomSystem</artifactId>
+        <groupId>com.storeroom</groupId>
+        <version>1.0</version>
+    </parent>
+    <modelVersion>4.0.0</modelVersion>
+
+    <artifactId>common</artifactId>
+
+    <properties>
+        <maven.compiler.source>17</maven.compiler.source>
+        <maven.compiler.target>17</maven.compiler.target>
+    </properties>
+
+</project>

common/src/main/java/com/storeroom/exception/BaseException.java

@@ -0,0 +1,33 @@
+package com.storeroom.exception;
+
+import com.storeroom.exception.constant.Status;
+import lombok.Data;
+import lombok.EqualsAndHashCode;
+
+
+/**
+ * 统一异常类
+ */
+@Data
+@EqualsAndHashCode(callSuper = true)
+public class BaseException extends RuntimeException{
+
+    private Integer code;
+    private String message;
+
+
+
+    public BaseException(Status status){
+        super(status.getMessage());
+        this.code=status.getCode();
+        this.message=status.getMessage();
+
+    }
+
+
+    public BaseException(Integer code,String message){
+        super(message);
+        this.code=code;
+        this.message=message;
+    }
+}

common/src/main/java/com/storeroom/exception/JsonException.java

@@ -0,0 +1,23 @@
+package com.storeroom.exception;
+
+
+import com.storeroom.exception.constant.Status;
+import lombok.Getter;
+
+
+/**
+ * Json 异常
+ */
+@Getter
+public class JsonException extends BaseException {
+
+        public JsonException(Status status) {
+            super(status);
+        }
+
+        public JsonException(Integer code,String message) {
+            super(code, message);
+        }
+
+
+}

common/src/main/java/com/storeroom/exception/PageException.java

@@ -0,0 +1,19 @@
+package com.storeroom.exception;
+
+import com.storeroom.exception.constant.Status;
+import lombok.Getter;
+
+/**
+ * 页面异常类
+ */
+@Getter
+public class PageException extends BaseException {
+
+    public PageException(Status status) {
+        super(status);
+    }
+
+    public PageException(Integer code, String message) {
+        super(code, message);
+    }
+}

common/src/main/java/com/storeroom/exception/constant/Status.java

@@ -0,0 +1,30 @@
+package com.storeroom.exception.constant;
+
+
+import lombok.Getter;
+
+@Getter
+public enum Status {
+
+    //操作成功
+    SUCCESS(200,"操作成功"),
+    //操作失败
+    FAIL(999,"操作失败"),
+    //未知异常
+    UNKNOWN_ERROR(500,"服务器内部错误");
+
+
+    //状态码
+    private final Integer code;
+
+    //内容
+    private final String message;
+
+    //构造
+    Status(Integer code,String message){
+        this.code=code;
+        this.message=message;
+
+    }
+
+}

common/src/main/java/com/storeroom/exception/controller/TestController.java

@@ -0,0 +1,27 @@
+package com.storeroom.exception.controller;
+
+import com.storeroom.exception.JsonException;
+import com.storeroom.exception.PageException;
+import com.storeroom.exception.constant.Status;
+import com.storeroom.exception.handler.ApiResponse;
+import org.springframework.stereotype.Controller;
+import org.springframework.web.bind.annotation.GetMapping;
+import org.springframework.web.bind.annotation.RequestBody;
+import org.springframework.web.servlet.ModelAndView;
+
+@Controller
+public class TestController {
+
+    @GetMapping
+    public ApiResponse<Object> jsonException(){
+        throw new JsonException(Status.UNKNOWN_ERROR);
+    }
+
+    public ModelAndView pageException(){
+        throw new PageException(Status.UNKNOWN_ERROR);
+    }
+
+
+
+
+}

common/src/main/java/com/storeroom/exception/handler/ApiResponse.java

@@ -0,0 +1,153 @@
+package com.storeroom.exception.handler;
+
+
+import com.storeroom.exception.constant.Status;
+import lombok.Data;
+
+/**
+ * 通用的 API 接口封装
+ */
+@Data
+public class ApiResponse<T> {
+
+
+    /**
+     * 状态码
+     */
+    private Integer code;
+
+    /**
+     * 返回类容
+     */
+    private String message;
+
+    /**
+     * 返回数据
+     */
+    private Object data;
+
+    /**
+     * 调用接口时间
+     */
+    private long timestamp;
+
+
+    /**
+     * 无参构造
+     */
+    public ApiResponse() {
+        //调用时间赋值
+        this.timestamp = System.currentTimeMillis();
+    }
+
+
+    /**
+     * 泛型构造
+     *
+     * @param data
+     */
+    private ApiResponse(T data) {
+        this.code = Status.SUCCESS.getCode();
+        this.message = Status.SUCCESS.getMessage();
+        this.data = data;
+    }
+
+    /**
+     * 无状态码构造
+     *
+     * @param status
+     */
+    private ApiResponse(Status status) {
+        if (null == status) {
+            return;
+        }
+        this.code = status.getCode();
+        this.message = status.getMessage();
+    }
+
+    /**
+     * 全参构造函数
+     *
+     * @param code
+     * @param message
+     * @param data
+     */
+    private ApiResponse(Integer code, String message, Object data) {
+        this.code = code;
+        this.message = message;
+        this.data = data;
+    }
+
+    /**
+     * 成功返回
+     *
+     * @param data 数据
+     * @param <T>
+     * @return
+     */
+    public static <T> ApiResponse<T> success(T data) {
+        ApiResponse<T> apiResponse = new ApiResponse<>();
+        apiResponse.setCode(Status.SUCCESS.getCode());
+        apiResponse.setMessage(Status.SUCCESS.getMessage());
+        apiResponse.setData(data);
+        return apiResponse;
+    }
+
+    /**
+     * 返回默认失败
+     *
+     * @param code    错误代码
+     * @param message 错误信息
+     * @param <T>
+     * @return
+     */
+    public static <T> ApiResponse<T> error(Integer code, String message) {
+        ApiResponse<T> respons = new ApiResponse<>();
+        respons.setCode(code);
+        respons.setMessage(message);
+        return respons;
+    }
+
+
+    /**
+     * 错误状态返回
+     *
+     * @param status 状态码
+     * @param <T>
+     * @return
+     */
+    public static <T> ApiResponse<T> error(Status status) {
+        return new ApiResponse<T>(status);
+    }
+
+    /**
+     * 服务器错误失败
+     *
+     * @param <T>
+     * @return
+     */
+    public static <T> ApiResponse<T> error() {
+        return error(Status.UNKNOWN_ERROR);
+    }
+
+
+    public Integer getCode() {
+        return code;
+    }
+
+    public ApiResponse<T> setCode(Integer code) {
+        this.code = code;
+        return this;
+    }
+
+    public Object getData(){
+        return data;
+    }
+
+    public ApiResponse<T> setData(T data){
+        this.data=data;
+        return this;
+    }
+
+
+}

common/src/main/java/com/storeroom/exception/handler/GlobalExceptionHandler.java

@@ -0,0 +1,46 @@
+package com.storeroom.exception.handler;
+
+import com.storeroom.exception.BaseException;
+import com.storeroom.exception.constant.Status;
+import lombok.extern.slf4j.Slf4j;
+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.RequestBody;
+import org.springframework.web.bind.annotation.ResponseBody;
+
+import javax.servlet.http.HttpServletRequest;
+
+
+/**
+ * 统一异常处理
+ */
+@ControllerAdvice
+@Slf4j
+public class GlobalExceptionHandler {
+
+    private static final Logger logger =  LoggerFactory.getLogger(GlobalExceptionHandler.class);
+
+
+    @ExceptionHandler(BaseException.class)
+    @ResponseBody
+    public ApiResponse<String> exception(Exception e){
+        log.error("全局异常信息 ex={}",e.getMessage());
+        return ApiResponse.error(Status.UNKNOWN_ERROR.getCode(),e.getMessage());
+    }
+
+    @ExceptionHandler(NullPointerException.class)
+    @ResponseBody
+    public ApiResponse<String> exceptionHandler(HttpServletRequest req,NullPointerException e) {
+        log.error("发生空指针异常！原因是:",e);
+        return ApiResponse.error(Status.UNKNOWN_ERROR);
+    }
+
+    @ExceptionHandler(value = Exception.class)
+    @ResponseBody
+    public ApiResponse<String> exceptionHandler(HttpServletRequest req,Exception e){
+        log.error("未知异常 原因是:",e);
+        return ApiResponse.error(Status.UNKNOWN_ERROR);
+    }
+}

pom.xml

@@ -0,0 +1,227 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<project xmlns="http://maven.apache.org/POM/4.0.0"
+         xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
+         xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
+    <modelVersion>4.0.0</modelVersion>
+
+    <groupId>com.storeroom</groupId>
+    <artifactId>yxk_StoreroomSystem</artifactId>
+    <packaging>pom</packaging>
+    <version>1.0</version>
+    <modules>
+        <module>common</module>
+    </modules>
+    <name>智能库房综合管理系统</name>
+
+    <properties>
+        <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
+        <project.reporting.outputEncoding>UTF-8</project.reporting.outputEncoding>
+        <java.version>17</java.version>
+        <log4jdbc.version>1.16</log4jdbc.version>
+        <swagger.version>2.9.2</swagger.version>
+        <fastjson.version>1.2.78</fastjson.version>
+        <druid.version>1.2.8</druid.version>
+        <commons-pool2.version>2.11.1</commons-pool2.version>
+        <mapstruct.version>1.4.2.Final</mapstruct.version>
+    </properties>
+
+
+    <parent>
+        <groupId>org.springframework.boot</groupId>
+        <artifactId>spring-boot-starter-parent</artifactId>
+        <version>2.6.1</version>
+    </parent>
+
+    <dependencies>
+        <!--Spring boot 核心-->
+        <dependency>
+            <groupId>org.springframework.boot</groupId>
+            <artifactId>spring-boot-starter-data-jpa</artifactId>
+        </dependency>
+
+        <!--Spring boot Web容器-->
+        <dependency>
+            <groupId>org.springframework.boot</groupId>
+            <artifactId>spring-boot-starter-web</artifactId>
+        </dependency>
+
+        <!--Spring boot 测试-->
+        <dependency>
+            <groupId>org.springframework.boot</groupId>
+            <artifactId>spring-boot-starter-test</artifactId>
+            <scope>test</scope>
+        </dependency>
+
+        <!--Spring boot 安全框架-->
+        <dependency>
+            <groupId>org.springframework.boot</groupId>
+            <artifactId>spring-boot-starter-security</artifactId>
+        </dependency>
+
+        <!-- spring boot 缓存 -->
+        <dependency>
+            <groupId>org.springframework.boot</groupId>
+            <artifactId>spring-boot-starter-cache</artifactId>
+        </dependency>
+
+        <!--Spring boot Redis-->
+        <dependency>
+            <groupId>org.springframework.boot</groupId>
+            <artifactId>spring-boot-starter-data-redis</artifactId>
+        </dependency>
+
+        <!--spring boot 集成redis所需common-pool2-->
+        <dependency>
+            <groupId>org.apache.commons</groupId>
+            <artifactId>commons-pool2</artifactId>
+            <version>${commons-pool2.version}</version>
+        </dependency>
+        <dependency>
+            <groupId>org.apache.commons</groupId>
+            <artifactId>commons-lang3</artifactId>
+            <version>3.12.0</version>
+        </dependency>
+
+        <!--监控sql日志-->
+        <dependency>
+            <groupId>org.bgee.log4jdbc-log4j2</groupId>
+            <artifactId>log4jdbc-log4j2-jdbc4.1</artifactId>
+            <version>${log4jdbc.version}</version>
+        </dependency>
+
+        <!-- Swagger UI 相关 -->
+        <dependency>
+            <groupId>io.springfox</groupId>
+            <artifactId>springfox-swagger2</artifactId>
+            <version>${swagger.version}</version>
+            <exclusions>
+                <exclusion>
+                    <groupId>io.swagger</groupId>
+                    <artifactId>swagger-annotations</artifactId>
+                </exclusion>
+                <exclusion>
+                    <groupId>io.swagger</groupId>
+                    <artifactId>swagger-models</artifactId>
+                </exclusion>
+            </exclusions>
+        </dependency>
+        <dependency>
+            <groupId>io.springfox</groupId>
+            <artifactId>springfox-swagger-ui</artifactId>
+            <version>${swagger.version}</version>
+        </dependency>
+        <dependency>
+            <groupId>io.swagger</groupId>
+            <artifactId>swagger-annotations</artifactId>
+            <version>1.5.21</version>
+        </dependency>
+        <dependency>
+            <groupId>io.swagger</groupId>
+            <artifactId>swagger-models</artifactId>
+            <version>1.5.21</version>
+        </dependency>
+
+        <dependency>
+            <groupId>com.github.xiaoymin</groupId>
+            <artifactId>swagger-bootstrap-ui</artifactId>
+            <version>1.9.6</version>
+        </dependency>
+
+        <!--Mysql依赖包-->
+        <dependency>
+            <groupId>mysql</groupId>
+            <artifactId>mysql-connector-java</artifactId>
+            <version>8.0.27</version>
+            <scope>runtime</scope>
+        </dependency>
+
+        <!-- druid数据源驱动 -->
+        <dependency>
+            <groupId>com.alibaba</groupId>
+            <artifactId>druid-spring-boot-starter</artifactId>
+            <version>${druid.version}</version>
+        </dependency>
+        <dependency>
+            <groupId>org.lionsoul</groupId>
+            <artifactId>ip2region</artifactId>
+            <version>1.7.2</version>
+        </dependency>
+
+        <!--lombok插件-->
+        <dependency>
+            <groupId>org.projectlombok</groupId>
+            <artifactId>lombok</artifactId>
+            <version>1.18.22</version>
+            <optional>true</optional>
+        </dependency>
+
+        <!-- excel工具 -->
+        <dependency>
+            <groupId>org.apache.poi</groupId>
+            <artifactId>poi</artifactId>
+            <version>3.17</version>
+        </dependency>
+        <dependency>
+            <groupId>org.apache.poi</groupId>
+            <artifactId>poi-ooxml</artifactId>
+            <version>3.17</version>
+        </dependency>
+        <dependency>
+            <groupId>xerces</groupId>
+            <artifactId>xercesImpl</artifactId>
+            <version>2.12.0</version>
+        </dependency>
+
+        <!-- fastjson -->
+        <dependency>
+            <groupId>com.alibaba</groupId>
+            <artifactId>fastjson</artifactId>
+            <version>${fastjson.version}</version>
+        </dependency>
+
+        <!--mapStruct依赖-->
+        <dependency>
+            <groupId>org.mapstruct</groupId>
+            <artifactId>mapstruct</artifactId>
+            <version>${mapstruct.version}</version>
+        </dependency>
+        <dependency>
+            <groupId>org.mapstruct</groupId>
+            <artifactId>mapstruct-processor</artifactId>
+            <version>${mapstruct.version}</version>
+            <scope>provided</scope>
+        </dependency>
+        <dependency>
+            <groupId>javax.inject</groupId>
+            <artifactId>javax.inject</artifactId>
+            <version>1</version>
+        </dependency>
+
+        <!-- Java图形验证码 -->
+        <dependency>
+            <groupId>com.github.whvcse</groupId>
+            <artifactId>easy-captcha</artifactId>
+            <version>1.6.2</version>
+        </dependency>
+        <!--升级nashorn 版本解决JDK15 以上版本验证码报错问题-->
+        <dependency>
+            <groupId>org.openjdk.nashorn</groupId>
+            <artifactId>nashorn-core</artifactId>
+            <version>15.3</version>
+        </dependency>
+
+        <!-- 解析客户端操作系统、浏览器信息 -->
+        <dependency>
+            <groupId>eu.bitwalker</groupId>
+            <artifactId>UserAgentUtils</artifactId>
+            <version>1.21</version>
+        </dependency>
+
+        <dependency>
+            <groupId>javax.persistence</groupId>
+            <artifactId>javax.persistence-api</artifactId>
+            <version>2.2</version>
+        </dependency>
+    </dependencies>
+
+</project>