后端项目初始化，增加AOP切面校验，实体类，Controller，Service，Mapper

.gitignore

@@ -1,2 +1,3 @@
 /.idea/
+/src/FishPics-backend/target/
 /src/FishPics-backend/.idea/

src/FishPics-backend

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-Subproject commit 889c294b976edba8196e2fdf3c63ed57df67fb00

src/FishPics-backend/pom.xml

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+<?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 https://maven.apache.org/xsd/maven-4.0.0.xsd">
+    <modelVersion>4.0.0</modelVersion>
+    <groupId>hk.ljx</groupId>
+    <artifactId>FishPics-backend</artifactId>
+    <version>0.0.1-SNAPSHOT</version>
+    <name>FishPics-backend</name>
+    <description>FishPics-backend</description>
+    <properties>
+        <java.version>11</java.version>
+        <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
+        <project.reporting.outputEncoding>UTF-8</project.reporting.outputEncoding>
+        <spring-boot.version>2.7.6</spring-boot.version>
+    </properties>
+    <dependencies>
+        <dependency>
+            <groupId>org.springframework.boot</groupId>
+            <artifactId>spring-boot-starter-web</artifactId>
+        </dependency>
+
+        <dependency>
+            <groupId>com.mysql</groupId>
+            <artifactId>mysql-connector-j</artifactId>
+            <scope>runtime</scope>
+        </dependency>
+        <dependency>
+            <groupId>org.projectlombok</groupId>
+            <artifactId>lombok</artifactId>
+            <optional>true</optional>
+        </dependency>
+        <dependency>
+            <groupId>org.springframework.boot</groupId>
+            <artifactId>spring-boot-starter-test</artifactId>
+            <scope>test</scope>
+        </dependency>
+
+        <!-- https://baomidou.com/ -->
+        <dependency>
+            <groupId>com.baomidou</groupId>
+            <artifactId>mybatis-plus-boot-starter</artifactId>
+            <version>3.5.15</version>
+        </dependency>
+
+        <!-- https://doc.hutool.cn/ -->
+        <dependency>
+            <groupId>cn.hutool</groupId>
+            <artifactId>hutool-all</artifactId>
+            <version>5.8.38</version>
+        </dependency>
+
+        <!-- https://doc.xiaominfo.com/ -->
+        <dependency>
+            <groupId>com.github.xiaoymin</groupId>
+            <artifactId>knife4j-openapi2-spring-boot-starter</artifactId>
+            <version>4.4.0</version>
+        </dependency>
+
+        <dependency>
+            <groupId>org.springframework.boot</groupId>
+            <artifactId>spring-boot-starter-aop</artifactId>
+        </dependency>
+
+        <dependency>
+            <groupId>org.springframework.boot</groupId>
+            <artifactId>spring-boot-starter-data-redis</artifactId>
+        </dependency>
+    </dependencies>
+    <dependencyManagement>
+        <dependencies>
+            <dependency>
+                <groupId>org.springframework.boot</groupId>
+                <artifactId>spring-boot-dependencies</artifactId>
+                <version>${spring-boot.version}</version>
+                <type>pom</type>
+                <scope>import</scope>
+            </dependency>
+        </dependencies>
+    </dependencyManagement>
+
+    <build>
+        <plugins>
+            <plugin>
+                <groupId>org.apache.maven.plugins</groupId>
+                <artifactId>maven-compiler-plugin</artifactId>
+                <version>3.8.1</version>
+                <configuration>
+                    <source>11</source>
+                    <target>11</target>
+                    <encoding>UTF-8</encoding>
+                </configuration>
+            </plugin>
+            <plugin>
+                <groupId>org.springframework.boot</groupId>
+                <artifactId>spring-boot-maven-plugin</artifactId>
+                <version>${spring-boot.version}</version>
+                <configuration>
+                    <mainClass>hk.ljx.fishpicsbackend.FishPicsBackendApplication</mainClass>
+                    <skip>true</skip>
+                </configuration>
+                <executions>
+                    <execution>
+                        <id>repackage</id>
+                        <goals>
+                            <goal>repackage</goal>
+                        </goals>
+                    </execution>
+                </executions>
+            </plugin>
+        </plugins>
+    </build>
+
+</project>

src/FishPics-backend/src/main/java/hk/ljx/fishpicsbackend/FishPicsBackendApplication.java

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+package hk.ljx.fishpicsbackend;
+
+import org.mybatis.spring.annotation.MapperScan;
+import org.springframework.boot.SpringApplication;
+import org.springframework.boot.autoconfigure.SpringBootApplication;
+
+@SpringBootApplication
+@MapperScan("hk.ljx.fishpicsbackend.mapper")
+public class FishPicsBackendApplication {
+
+    public static void main(String[] args) {
+        SpringApplication.run(FishPicsBackendApplication.class, args);
+    }
+
+}

src/FishPics-backend/src/main/java/hk/ljx/fishpicsbackend/common/annotation/AuthCheck.java

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+package hk.ljx.fishpicsbackend.common.annotation;
+
+import java.lang.annotation.ElementType;
+import java.lang.annotation.Retention;
+import java.lang.annotation.Target;
+
+@Target({ElementType.METHOD})
+@Retention(java.lang.annotation.RetentionPolicy.RUNTIME)
+public @interface AuthCheck {
+    // 权限
+    String role() default "";
+}

src/FishPics-backend/src/main/java/hk/ljx/fishpicsbackend/common/aop/AuthInterceptor.java

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+package hk.ljx.fishpicsbackend.common.aop;
+
+import hk.ljx.fishpicsbackend.common.annotation.AuthCheck;
+import hk.ljx.fishpicsbackend.common.exception.BaseException;
+import hk.ljx.fishpicsbackend.common.exception.ExcUtils;
+import hk.ljx.fishpicsbackend.common.exception.ExceptionCode;
+import hk.ljx.fishpicsbackend.entity.User;
+import hk.ljx.fishpicsbackend.enums.UserRoleEnum;
+import hk.ljx.fishpicsbackend.service.UserService;
+import org.aspectj.lang.ProceedingJoinPoint;
+import org.aspectj.lang.annotation.Around;
+import org.aspectj.lang.annotation.Aspect;
+import org.springframework.stereotype.Component;
+import org.springframework.web.context.request.RequestAttributes;
+import org.springframework.web.context.request.RequestContextHolder;
+import org.springframework.web.context.request.ServletRequestAttributes;
+
+import javax.annotation.Resource;
+import javax.servlet.http.HttpServletRequest;
+
+@Aspect
+@Component
+public class AuthInterceptor {
+
+    @Resource
+    private UserService userService;
+
+    /**
+     * 执行拦截
+     *
+     * @param joinPoint 切入点
+     * @param authCheck 权限校验注解
+     */
+    @Around("@annotation(authCheck)")
+    public Object doInterceptor(ProceedingJoinPoint joinPoint, AuthCheck authCheck) throws Throwable {
+        String mustRole = authCheck.role();
+        RequestAttributes requestAttributes = RequestContextHolder.currentRequestAttributes();
+        HttpServletRequest request = ((ServletRequestAttributes) requestAttributes).getRequest();
+        // 当前登录用户
+        User loginUser = userService.getLoginUser(request);
+        UserRoleEnum mustRoleEnum = UserRoleEnum.getEnumByRole(mustRole);
+        // 不需要权限，放行
+        if (mustRoleEnum == null) {
+            return joinPoint.proceed();
+        }
+        // 以下为：必须有该权限才通过
+        // 获取当前用户具有的权限
+        UserRoleEnum userRoleEnum = UserRoleEnum.getEnumByRole(loginUser.getRole());
+        // 没有权限，拒绝
+        ExcUtils.throwIfTrue(userRoleEnum == null, ExceptionCode.UNAUTHORIZED);
+        // 要求必须有管理员权限，但用户没有管理员权限，拒绝
+        ExcUtils.throwIfTrue(UserRoleEnum.ADMIN.equals(mustRoleEnum) && !UserRoleEnum.ADMIN.equals(userRoleEnum), ExceptionCode.UNAUTHORIZED);
+        // 通过权限校验，放行
+        return joinPoint.proceed();
+    }
+}

src/FishPics-backend/src/main/java/hk/ljx/fishpicsbackend/common/config/CorsConfig.java

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+package hk.ljx.fishpicsbackend.common.config;
+
+import org.springframework.context.annotation.Configuration;
+import org.springframework.web.servlet.config.annotation.CorsRegistry;
+import org.springframework.web.servlet.config.annotation.WebMvcConfigurer;
+
+@Configuration
+public class CorsConfig implements WebMvcConfigurer {
+
+    @Override
+    public void addCorsMappings(CorsRegistry registry) {
+        // 覆盖所有请求
+        registry.addMapping("/**")
+                // 允许发送 Cookie
+                .allowCredentials(true)
+                // 放行哪些域名（必须用 patterns，否则 * 会和 allowCredentials 冲突）
+                .allowedOriginPatterns("*")
+                .allowedMethods("GET", "POST", "PUT", "DELETE", "OPTIONS")
+                .allowedHeaders("*")
+                .exposedHeaders("*");
+    }
+}

src/FishPics-backend/src/main/java/hk/ljx/fishpicsbackend/common/constants/UserConstants.java

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+package hk.ljx.fishpicsbackend.common.constants;
+
+public interface UserConstants {
+    // 登录类
+    String LOGIN_SUCCESS = "登录成功";
+    String LOGIN_FAIL = "登录失败";
+    String LOGOUT_SUCCESS = "登出成功";
+
+}

src/FishPics-backend/src/main/java/hk/ljx/fishpicsbackend/common/exception/BaseException.java

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+package hk.ljx.fishpicsbackend.common.exception;
+
+import lombok.Getter;
+
+@Getter
+public class BaseException extends RuntimeException{
+
+    /**
+     * 错误码
+     */
+    private Integer code;
+
+    public BaseException(Integer code, String message) {
+        super(message);
+        this.code = code;
+    }
+}

src/FishPics-backend/src/main/java/hk/ljx/fishpicsbackend/common/exception/ExcUtils.java

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+package hk.ljx.fishpicsbackend.common.exception;
+
+public class ExcUtils {
+    public static BaseException error(ExceptionCode exceptionCode) {
+        throw new BaseException(exceptionCode.getCode(), exceptionCode.getMessage());
+    }
+
+    public static BaseException error(ExceptionCode exceptionCode, String message) {
+        throw new BaseException(exceptionCode.getCode(), message);
+    }
+
+    public static BaseException error(Integer code, String message) {
+        return new BaseException(code, message);
+    }
+
+    public static void throwIfTrue(Boolean flag, ExceptionCode exceptionCode) {
+        if (flag) {
+            throw error(exceptionCode);
+        }
+    }
+
+    public static void throwIfTrue(Boolean flag, String message) {
+        if (flag) {
+            throw error(0,message);
+        }
+    }
+
+    public static void throwIfFalse(Boolean flag, ExceptionCode exceptionCode) {
+        if (!flag) {
+            throw error(exceptionCode);
+        }
+    }
+}

src/FishPics-backend/src/main/java/hk/ljx/fishpicsbackend/common/exception/ExceptionCode.java

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+package hk.ljx.fishpicsbackend.common.exception;
+
+import lombok.Getter;
+
+@Getter
+public enum ExceptionCode {
+    PARAMETER_ERROR(40001, "参数错误"),
+    UNAUTHORIZED(40002, "未授权"),
+    FORBIDDEN(40003, "禁止访问"),
+    NOT_FOUND(40004, "资源未找到"),
+    NOT_LOGIN(40005, "未登录"),
+    INTERNAL_SERVER_ERROR(50000, "服务器内部错误"),
+    UNPROCESSABLE_ENTITY(40022, "无法处理的实体"),
+    TOO_MANY_REQUESTS(40029, "请求过多"),
+    SERVICE_UNAVAILABLE(50003, "服务不可用");
+
+
+    private Integer code;
+    private String message;
+
+    ExceptionCode(Integer code, String message) {
+        this.code = code;
+        this.message = message;
+    }
+}

src/FishPics-backend/src/main/java/hk/ljx/fishpicsbackend/common/exception/GlobalExceptionHandler.java

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+package hk.ljx.fishpicsbackend.common.exception;
+
+import hk.ljx.fishpicsbackend.common.response.ResUtils;
+import hk.ljx.fishpicsbackend.common.response.Response;
+import lombok.extern.slf4j.Slf4j;
+import org.springframework.web.bind.annotation.ExceptionHandler;
+import org.springframework.web.bind.annotation.RestControllerAdvice;
+
+@RestControllerAdvice
+@Slf4j
+public class GlobalExceptionHandler {
+
+    @ExceptionHandler(BaseException.class)
+    public Response<?> handleException(BaseException be) {
+        log.error("====> 业务异常,异常码：{},异常信息：{}", be.getCode(), be.getMessage());
+        return ResUtils.fail(be);
+    }
+
+    @ExceptionHandler(RuntimeException.class)
+    public Response<?> runtimeException(RuntimeException re) {
+        log.error("====> 系统异常,异常信息：{}", re.getMessage());
+        return ResUtils.fail(re);
+    }
+}

src/FishPics-backend/src/main/java/hk/ljx/fishpicsbackend/common/response/ResUtils.java

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+package hk.ljx.fishpicsbackend.common.response;
+
+import hk.ljx.fishpicsbackend.common.exception.BaseException;
+
+import java.io.Serializable;
+
+public class ResUtils implements Serializable {
+
+    public static Response success(){
+        return new Response(1, "success", null);
+    }
+
+    public static <T> Response<T> success(T data) {
+        return new Response(1, "success", data);
+    }
+
+    public static Response fail(BaseException be) {
+        return new Response(be.getCode(), be.getMessage(), null);
+    }
+
+    public static Response fail(RuntimeException re) {
+        return new Response(0, re.getMessage(), null);
+    }
+
+    public static Response fail(String message) {
+        return new Response(0, message, null);
+    }
+}

src/FishPics-backend/src/main/java/hk/ljx/fishpicsbackend/common/response/Response.java

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+package hk.ljx.fishpicsbackend.common.response;
+
+import lombok.Data;
+
+@Data
+public class Response<T> {
+
+    /**
+     * 状态码：1-成功
+     */
+    private Integer code;
+
+    /**
+     * 响应信息
+     */
+    private String message;
+
+    /**
+     * 响应数据
+     */
+    private T data;
+
+    public Response(Integer code, String message, T data) {
+        this.code = code;
+        this.message = message;
+        this.data = data;
+    }
+}

src/FishPics-backend/src/main/java/hk/ljx/fishpicsbackend/controller/UserController.java

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+package hk.ljx.fishpicsbackend.controller;
+
+import lombok.extern.slf4j.Slf4j;
+import org.springframework.web.bind.annotation.PostMapping;
+import org.springframework.web.bind.annotation.RequestMapping;
+import org.springframework.web.bind.annotation.RestController;
+
+@RestController
+@RequestMapping("/user")
+@Slf4j
+public class UserController {
+
+    @PostMapping("/login")
+    public String userLogin(){
+        return "login";
+    }
+
+}

src/FishPics-backend/src/main/java/hk/ljx/fishpicsbackend/dto/base/DeleteById.java

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+package hk.ljx.fishpicsbackend.dto.base;
+
+import lombok.Data;
+
+import java.io.Serializable;
+
+@Data
+public class DeleteById implements Serializable {
+    private Long id;
+}

src/FishPics-backend/src/main/java/hk/ljx/fishpicsbackend/dto/base/PageRequest.java

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+package hk.ljx.fishpicsbackend.dto.base;
+
+import lombok.Data;
+
+@Data
+public class PageRequest {
+    /**
+     * 当前页号
+     */
+    private int current = 1;
+
+    /**
+     * 页面大小
+     */
+    private int pageSize = 10;
+
+    /**
+     * 排序字段
+     */
+    private String sortField;
+
+    /**
+     * 排序顺序（默认降序）
+     */
+    private String sortOrder = "descend";
+}

src/FishPics-backend/src/main/java/hk/ljx/fishpicsbackend/dto/user/UserLogin.java

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+package hk.ljx.fishpicsbackend.dto.user;
+
+import lombok.AllArgsConstructor;
+import lombok.Builder;
+import lombok.Data;
+import lombok.NoArgsConstructor;
+
+import java.io.Serializable;
+
+@Data
+@AllArgsConstructor
+@NoArgsConstructor
+@Builder
+public class UserLogin implements Serializable {
+
+    private String username;
+
+    private String password;
+
+    /**
+     * 验证码
+     */
+    private String checkCode;
+}

src/FishPics-backend/src/main/java/hk/ljx/fishpicsbackend/entity/Comment.java

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+package hk.ljx.fishpicsbackend.entity;
+
+import com.baomidou.mybatisplus.annotation.IdType;
+import com.baomidou.mybatisplus.annotation.TableId;
+import com.baomidou.mybatisplus.annotation.TableName;
+import java.util.Date;
+import lombok.Data;
+
+/**
+ * 评论表
+ * @TableName comment
+ */
+@TableName(value ="comment")
+@Data
+public class Comment {
+    /**
+     * 主键
+     */
+    @TableId(type = IdType.ASSIGN_ID)
+    private Long id;
+
+    /**
+     * 关联用户表
+     */
+    private Long userId;
+
+    /**
+     * 关联帖子表
+     */
+    private Long postId;
+
+    /**
+     * 评论内容
+     */
+    private String content;
+
+    /**
+     * 状态 1-正常 0-禁用 2-待审核
+     */
+    private Integer status;
+
+    /**
+     * 创建时间
+     */
+    private Date createTime;
+
+    /**
+     * 更新时间
+     */
+    private Date updateTime;
+}

src/FishPics-backend/src/main/java/hk/ljx/fishpicsbackend/entity/Picture.java

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+package hk.ljx.fishpicsbackend.entity;
+
+import com.baomidou.mybatisplus.annotation.IdType;
+import com.baomidou.mybatisplus.annotation.TableId;
+import com.baomidou.mybatisplus.annotation.TableName;
+import java.util.Date;
+import lombok.Data;
+
+/**
+ * 图片表
+ * @TableName picture
+ */
+@TableName(value ="picture")
+@Data
+public class Picture {
+    /**
+     * 主键
+     */
+    @TableId(type = IdType.ASSIGN_ID)
+    private Long id;
+
+    /**
+     * 用户id
+     */
+    private Long userId;
+
+    /**
+     * 图片名称
+     */
+    private Long pictureName;
+
+    /**
+     * 图片地址
+     */
+    private String url;
+
+    /**
+     * 宽度
+     */
+    private String width;
+
+    /**
+     * 高度
+     */
+    private String height;
+
+    /**
+     * 大小
+     */
+    private String size;
+
+    /**
+     * 状态 1-正常 0-禁用 2-待审核
+     */
+    private Integer status;
+
+    /**
+     * 创建时间
+     */
+    private Date createTime;
+
+    /**
+     * 更新时间
+     */
+    private Date updateTime;
+}

src/FishPics-backend/src/main/java/hk/ljx/fishpicsbackend/entity/Post.java

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+package hk.ljx.fishpicsbackend.entity;
+
+import com.baomidou.mybatisplus.annotation.IdType;
+import com.baomidou.mybatisplus.annotation.TableId;
+import com.baomidou.mybatisplus.annotation.TableLogic;
+import com.baomidou.mybatisplus.annotation.TableName;
+import java.util.Date;
+import lombok.Data;
+
+/**
+ * 帖子表
+ * @TableName post
+ */
+@TableName(value ="post")
+@Data
+public class Post {
+    /**
+     * 主键
+     */
+    @TableId(type = IdType.ASSIGN_ID)
+    private Long id;
+
+    /**
+     * 关联用户表
+     */
+    private Long userId;
+
+    /**
+     * 标题
+     */
+    private String title;
+
+    /**
+     * 内容
+     */
+    private String content;
+
+    /**
+     * 图片id数组
+     */
+    private String pictureIds;
+
+    /**
+     * 状态 1-正常 0-禁用 2-待审核
+     */
+    private Integer status;
+
+    /**
+     * 0-逻辑未删除, 1-逻辑删除
+     */
+    @TableLogic
+    private Integer delete;
+
+    /**
+     * 创建时间
+     */
+    private Date createTime;
+
+    /**
+     * 更新时间
+     */
+    private Date updateTime;
+}

src/FishPics-backend/src/main/java/hk/ljx/fishpicsbackend/entity/User.java

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+package hk.ljx.fishpicsbackend.entity;
+
+import com.baomidou.mybatisplus.annotation.IdType;
+import com.baomidou.mybatisplus.annotation.TableId;
+import com.baomidou.mybatisplus.annotation.TableLogic;
+import com.baomidou.mybatisplus.annotation.TableName;
+import java.util.Date;
+import lombok.Data;
+
+/**
+ * 用户表
+ * @TableName user
+ */
+@TableName(value ="user")
+@Data
+public class User {
+    /**
+     * 用户ID
+     */
+    @TableId(type = IdType.ASSIGN_ID)
+    private Long id;
+
+    /**
+     * 用户名（登录用）
+     */
+    private String username;
+
+    /**
+     * 密码
+     */
+    private String password;
+
+    /**
+     * 头像URL
+     */
+    private String avatar;
+
+    /**
+     * 邮箱
+     */
+    private String email;
+
+    /**
+     * 手机号
+     */
+    private String phone;
+
+    /**
+     * 昵称（展示用）
+     */
+    private String nickname;
+
+    /**
+     * 状态 1-正常 0-禁用 2-待审核
+     */
+    private Integer status;
+
+    /**
+     * 0-逻辑未删除, 1-逻辑删除
+     */
+    @TableLogic
+    private Integer delete;
+
+    /**
+     * 用户的权限
+     */
+    private String role;
+
+    /**
+     * 创建时间
+     */
+    private Date createTime;
+
+    /**
+     * 更新时间
+     */
+    private Date updateTime;
+}

src/FishPics-backend/src/main/java/hk/ljx/fishpicsbackend/enums/UserRoleEnum.java

@@ -0,0 +1,34 @@
+package hk.ljx.fishpicsbackend.enums;
+
+import cn.hutool.core.util.StrUtil;
+import lombok.Getter;
+
+@Getter
+public enum UserRoleEnum {
+
+    ADMIN("admin", "管理员"),
+    USER("user", "普通用户");
+
+    private final String role;
+    private final String message;
+
+    UserRoleEnum(String role, String message) {
+        this.role = role;
+        this.message = message;
+    }
+
+    /**
+     * 根据 role 获取枚举
+     */
+    public static UserRoleEnum getEnumByRole(String role) {
+        if (StrUtil.isBlank(role)) {
+            return null;
+        }
+        for (UserRoleEnum userRoleEnum : UserRoleEnum.values()) {
+            if (userRoleEnum.getRole().equals(role)) {
+                return userRoleEnum;
+            }
+        }
+        return null;
+    }
+}

src/FishPics-backend/src/main/java/hk/ljx/fishpicsbackend/mapper/CommentMapper.java

@@ -0,0 +1,18 @@
+package hk.ljx.fishpicsbackend.mapper;
+
+import hk.ljx.fishpicsbackend.entity.Comment;
+import com.baomidou.mybatisplus.core.mapper.BaseMapper;
+
+/**
+* @author 30574
+* @description 针对表【comment(评论表)】的数据库操作Mapper
+* @createDate 2026-04-13 21:24:56
+* @Entity hk.ljx.fishpicsbackend.entity.Comment
+*/
+public interface CommentMapper extends BaseMapper<Comment> {
+
+}
+
+
+
+

src/FishPics-backend/src/main/java/hk/ljx/fishpicsbackend/mapper/PictureMapper.java

@@ -0,0 +1,18 @@
+package hk.ljx.fishpicsbackend.mapper;
+
+import hk.ljx.fishpicsbackend.entity.Picture;
+import com.baomidou.mybatisplus.core.mapper.BaseMapper;
+
+/**
+* @author 30574
+* @description 针对表【picture(图片表)】的数据库操作Mapper
+* @createDate 2026-04-13 21:24:49
+* @Entity hk.ljx.fishpicsbackend.entity.Picture
+*/
+public interface PictureMapper extends BaseMapper<Picture> {
+
+}
+
+
+
+

src/FishPics-backend/src/main/java/hk/ljx/fishpicsbackend/mapper/PostMapper.java

@@ -0,0 +1,18 @@
+package hk.ljx.fishpicsbackend.mapper;
+
+import hk.ljx.fishpicsbackend.entity.Post;
+import com.baomidou.mybatisplus.core.mapper.BaseMapper;
+
+/**
+* @author 30574
+* @description 针对表【post(帖子表)】的数据库操作Mapper
+* @createDate 2026-04-13 21:24:41
+* @Entity hk.ljx.fishpicsbackend.entity.Post
+*/
+public interface PostMapper extends BaseMapper<Post> {
+
+}
+
+
+
+

src/FishPics-backend/src/main/java/hk/ljx/fishpicsbackend/mapper/UserMapper.java

@@ -0,0 +1,18 @@
+package hk.ljx.fishpicsbackend.mapper;
+
+import hk.ljx.fishpicsbackend.entity.User;
+import com.baomidou.mybatisplus.core.mapper.BaseMapper;
+
+/**
+* @author 30574
+* @description 针对表【user(用户表)】的数据库操作Mapper
+* @createDate 2026-04-13 21:24:26
+* @Entity hk.ljx.fishpicsbackend.entity.User
+*/
+public interface UserMapper extends BaseMapper<User> {
+
+}
+
+
+
+

src/FishPics-backend/src/main/java/hk/ljx/fishpicsbackend/service/CommentService.java

@@ -0,0 +1,13 @@
+package hk.ljx.fishpicsbackend.service;
+
+import hk.ljx.fishpicsbackend.entity.Comment;
+import com.baomidou.mybatisplus.extension.service.IService;
+
+/**
+* @author 30574
+* @description 针对表【comment(评论表)】的数据库操作Service
+* @createDate 2026-04-13 21:24:56
+*/
+public interface CommentService extends IService<Comment> {
+
+}

src/FishPics-backend/src/main/java/hk/ljx/fishpicsbackend/service/PictureService.java

@@ -0,0 +1,13 @@
+package hk.ljx.fishpicsbackend.service;
+
+import hk.ljx.fishpicsbackend.entity.Picture;
+import com.baomidou.mybatisplus.extension.service.IService;
+
+/**
+* @author 30574
+* @description 针对表【picture(图片表)】的数据库操作Service
+* @createDate 2026-04-13 21:24:49
+*/
+public interface PictureService extends IService<Picture> {
+
+}

src/FishPics-backend/src/main/java/hk/ljx/fishpicsbackend/service/PostService.java

@@ -0,0 +1,13 @@
+package hk.ljx.fishpicsbackend.service;
+
+import hk.ljx.fishpicsbackend.entity.Post;
+import com.baomidou.mybatisplus.extension.service.IService;
+
+/**
+* @author 30574
+* @description 针对表【post(帖子表)】的数据库操作Service
+* @createDate 2026-04-13 21:24:41
+*/
+public interface PostService extends IService<Post> {
+
+}

src/FishPics-backend/src/main/java/hk/ljx/fishpicsbackend/service/UserService.java

@@ -0,0 +1,21 @@
+package hk.ljx.fishpicsbackend.service;
+
+import hk.ljx.fishpicsbackend.entity.User;
+import com.baomidou.mybatisplus.extension.service.IService;
+
+import javax.servlet.http.HttpServletRequest;
+
+/**
+* @author 30574
+* @description 针对表【user(用户表)】的数据库操作Service
+* @createDate 2026-04-13 21:24:26
+*/
+public interface UserService extends IService<User> {
+
+    /**
+     * 系统内获取当前登录用户
+     * @param request request
+     * @return 用户实体
+     */
+    User getLoginUser(HttpServletRequest request);
+}

src/FishPics-backend/src/main/java/hk/ljx/fishpicsbackend/service/impl/CommentServiceImpl.java

@@ -0,0 +1,22 @@
+package hk.ljx.fishpicsbackend.service.impl;
+
+import com.baomidou.mybatisplus.extension.service.impl.ServiceImpl;
+import hk.ljx.fishpicsbackend.entity.Comment;
+import hk.ljx.fishpicsbackend.service.CommentService;
+import hk.ljx.fishpicsbackend.mapper.CommentMapper;
+import org.springframework.stereotype.Service;
+
+/**
+* @author 30574
+* @description 针对表【comment(评论表)】的数据库操作Service实现
+* @createDate 2026-04-13 21:24:56
+*/
+@Service
+public class CommentServiceImpl extends ServiceImpl<CommentMapper, Comment>
+    implements CommentService {
+
+}
+
+
+
+

src/FishPics-backend/src/main/java/hk/ljx/fishpicsbackend/service/impl/PictureServiceImpl.java

@@ -0,0 +1,22 @@
+package hk.ljx.fishpicsbackend.service.impl;
+
+import com.baomidou.mybatisplus.extension.service.impl.ServiceImpl;
+import hk.ljx.fishpicsbackend.entity.Picture;
+import hk.ljx.fishpicsbackend.service.PictureService;
+import hk.ljx.fishpicsbackend.mapper.PictureMapper;
+import org.springframework.stereotype.Service;
+
+/**
+* @author 30574
+* @description 针对表【picture(图片表)】的数据库操作Service实现
+* @createDate 2026-04-13 21:24:49
+*/
+@Service
+public class PictureServiceImpl extends ServiceImpl<PictureMapper, Picture>
+    implements PictureService {
+
+}
+
+
+
+

src/FishPics-backend/src/main/java/hk/ljx/fishpicsbackend/service/impl/PostServiceImpl.java

@@ -0,0 +1,22 @@
+package hk.ljx.fishpicsbackend.service.impl;
+
+import com.baomidou.mybatisplus.extension.service.impl.ServiceImpl;
+import hk.ljx.fishpicsbackend.entity.Post;
+import hk.ljx.fishpicsbackend.service.PostService;
+import hk.ljx.fishpicsbackend.mapper.PostMapper;
+import org.springframework.stereotype.Service;
+
+/**
+* @author 30574
+* @description 针对表【post(帖子表)】的数据库操作Service实现
+* @createDate 2026-04-13 21:24:41
+*/
+@Service
+public class PostServiceImpl extends ServiceImpl<PostMapper, Post>
+    implements PostService{
+
+}
+
+
+
+

src/FishPics-backend/src/main/java/hk/ljx/fishpicsbackend/service/impl/UserServiceImpl.java

@@ -0,0 +1,43 @@
+package hk.ljx.fishpicsbackend.service.impl;
+
+import cn.hutool.json.JSONUtil;
+import com.baomidou.mybatisplus.extension.service.impl.ServiceImpl;
+import hk.ljx.fishpicsbackend.common.exception.ExcUtils;
+import hk.ljx.fishpicsbackend.entity.User;
+import hk.ljx.fishpicsbackend.service.UserService;
+import hk.ljx.fishpicsbackend.mapper.UserMapper;
+import org.springframework.data.redis.core.StringRedisTemplate;
+import org.springframework.stereotype.Service;
+
+import javax.annotation.Resource;
+import javax.servlet.http.HttpServletRequest;
+
+/**
+* @author 30574
+* @description 针对表【user(用户表)】的数据库操作Service实现
+* @createDate 2026-04-13 21:24:26
+*/
+@Service
+public class UserServiceImpl extends ServiceImpl<UserMapper, User>
+    implements UserService{
+
+    @Resource
+    private StringRedisTemplate stringRedisTemplate;
+    /**
+     * 系统内获取当前登录用户
+     *
+     * @param request request
+     * @return 用户实体
+     */
+    @Override
+    public User getLoginUser(HttpServletRequest request) {
+        String authorization = request.getHeader("Authorization");
+        ExcUtils.throwIfTrue(authorization == null || !authorization.startsWith("Bearer "), "未登录");
+        String user = stringRedisTemplate.opsForValue().get(authorization);
+        return JSONUtil.toBean(user, User.class);
+    }
+}
+
+
+
+

src/FishPics-backend/src/main/resources/application.yml

@@ -0,0 +1,29 @@
+server:
+  port: 8080
+  servlet:
+    context-path: /api
+spring:
+  application:
+    name: FishPic-backend
+  datasource:
+    driver-class-name: com.mysql.cj.jdbc.Driver
+    url: jdbc:mysql://localhost:3306/FishPics
+    username: root
+    password: 123456
+  redis:
+    host: 192.168.163.101:6379
+    database: 0
+knife4j:
+  enable: true
+  openapi:
+    title: fish图库测试文档
+    description: "fish图库测试文档"
+    email: fish.java.react@gmail.com
+    concat: fish
+    version: v0.5
+    group:
+      test:
+        group-name: 开发测试
+        api-rule: package
+        api-rule-resources:
+          - hk.ljx.fishpicsbackend.controller

src/FishPics-backend/src/main/resources/mapper/CommentMapper.xml

@@ -0,0 +1,21 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<!DOCTYPE mapper
+        PUBLIC "-//mybatis.org//DTD Mapper 3.0//EN"
+        "http://mybatis.org/dtd/mybatis-3-mapper.dtd">
+<mapper namespace="hk.ljx.fishpicsbackend.mapper.CommentMapper">
+
+    <resultMap id="BaseResultMap" type="hk.ljx.fishpicsbackend.entity.Comment">
+            <id property="id" column="id" />
+            <result property="userId" column="user_id" />
+            <result property="postId" column="post_id" />
+            <result property="content" column="content" />
+            <result property="status" column="status" />
+            <result property="createTime" column="create_time" />
+            <result property="updateTime" column="update_time" />
+    </resultMap>
+
+    <sql id="Base_Column_List">
+        id,user_id,post_id,content,status,create_time,
+        update_time
+    </sql>
+</mapper>

src/FishPics-backend/src/main/resources/mapper/PictureMapper.xml

@@ -0,0 +1,24 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<!DOCTYPE mapper
+        PUBLIC "-//mybatis.org//DTD Mapper 3.0//EN"
+        "http://mybatis.org/dtd/mybatis-3-mapper.dtd">
+<mapper namespace="hk.ljx.fishpicsbackend.mapper.PictureMapper">
+
+    <resultMap id="BaseResultMap" type="hk.ljx.fishpicsbackend.entity.Picture">
+            <id property="id" column="id" />
+            <result property="userId" column="user_id" />
+            <result property="pictureName" column="picture_name" />
+            <result property="url" column="url" />
+            <result property="width" column="width" />
+            <result property="height" column="height" />
+            <result property="size" column="size" />
+            <result property="status" column="status" />
+            <result property="createTime" column="create_time" />
+            <result property="updateTime" column="update_time" />
+    </resultMap>
+
+    <sql id="Base_Column_List">
+        id,user_id,picture_name,url,width,height,
+        size,status,create_time,update_time
+    </sql>
+</mapper>

src/FishPics-backend/src/main/resources/mapper/PostMapper.xml

@@ -0,0 +1,23 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<!DOCTYPE mapper
+        PUBLIC "-//mybatis.org//DTD Mapper 3.0//EN"
+        "http://mybatis.org/dtd/mybatis-3-mapper.dtd">
+<mapper namespace="hk.ljx.fishpicsbackend.mapper.PostMapper">
+
+    <resultMap id="BaseResultMap" type="hk.ljx.fishpicsbackend.entity.Post">
+            <id property="id" column="id" />
+            <result property="userId" column="user_id" />
+            <result property="title" column="title" />
+            <result property="content" column="content" />
+            <result property="pictureIds" column="picture_ids" />
+            <result property="delete" column="delete" />
+            <result property="status" column="status" />
+            <result property="createTime" column="create_time" />
+            <result property="updateTime" column="update_time" />
+    </resultMap>
+
+    <sql id="Base_Column_List">
+        id,user_id,title,content,picture_ids,`status`,`delete`,
+        create_time,update_time
+    </sql>
+</mapper>

src/FishPics-backend/src/main/resources/mapper/UserMapper.xml

@@ -0,0 +1,27 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<!DOCTYPE mapper
+        PUBLIC "-//mybatis.org//DTD Mapper 3.0//EN"
+        "http://mybatis.org/dtd/mybatis-3-mapper.dtd">
+<mapper namespace="generator.mapper.UserMapper">
+
+    <resultMap id="BaseResultMap" type="hk.ljx.fishpicsbackend.entity.User">
+            <id property="id" column="id" />
+            <result property="username" column="username" />
+            <result property="password" column="password" />
+            <result property="avatar" column="avatar" />
+            <result property="email" column="email" />
+            <result property="phone" column="phone" />
+            <result property="nickname" column="nickname" />
+            <result property="status" column="status" />
+            <result property="delete" column="delete" />
+            <result property="role" column="role" />
+            <result property="createTime" column="create_time" />
+            <result property="updateTime" column="update_time" />
+    </resultMap>
+
+    <sql id="Base_Column_List">
+        id,username,password,avatar,email,phone,
+        nickname,status,delete,role,create_time,
+        update_time
+    </sql>
+</mapper>

src/FishPics-backend/src/sql/create.sql

@@ -0,0 +1,68 @@
+create database if not exists FishPics;
+
+use FishPics;
+
+-- 创建用户表
+create table if not exists `user` (
+                                      `id` bigint unsigned not null auto_increment comment '用户ID',
+                                      `username` varchar(32) null comment '用户名（登录用）',
+                                      `password` varchar(128) null comment '密码',
+                                      `avatar` varchar(256) default null comment '头像URL',
+                                      `email` varchar(64) default null comment '邮箱',
+                                      `phone` varchar(16) default null comment '手机号',
+                                      `nickname` varchar(32) default null comment '昵称（展示用）',
+                                      `status` tinyint null default 1 comment '状态 1-正常 0-禁用 2-待审核',
+                                      `delete` tinyint null default 0 comment '0-逻辑未删除, 1-逻辑删除',
+                                      `role` varchar(32) null default 'user' comment '用户的权限',
+                                      `create_time` datetime not null default current_timestamp comment '创建时间',
+                                      `update_time` datetime not null default current_timestamp on update current_timestamp comment '更新时间',
+                                      primary key (`id`),
+                                      unique key `uk_username` (`username`) using btree,
+                                      unique key `uk_nickname` (`nickname`) using btree
+) engine = innodb default charset = utf8mb4 comment = '用户表';
+
+-- 创建图片表
+create table `picture`(
+                          `id` bigint not null auto_increment comment '主键',
+                          `user_id` bigint not null comment '用户id', -- 关联用户表
+                          `picture_name` bigint not null comment '图片名称',
+                          `url` varchar(512) not null comment '图片地址',
+                          `width` varchar(32) null comment '宽度',
+                          `height` varchar(32) null comment '高度',
+                          `size` varchar(32) null comment '大小',
+                          `status` tinyint null default 1 comment '状态 1-正常 0-禁用 2-待审核',
+                          `create_time` datetime not null default current_timestamp comment '创建时间',
+                          `update_time` datetime not null default current_timestamp on update current_timestamp comment '更新时间',
+                          primary key (`id`),
+                          key `idx_user_id` (`user_id`) using btree,
+                          key `idx_picture_name` (`picture_name`) using btree
+) engine = innodb default charset = utf8mb4 comment = '图片表';
+
+-- 创建帖子表
+create table `post`(
+                       `id` bigint not null auto_increment comment '主键',
+                       `user_id` bigint not null comment '关联用户表',
+                       `title` varchar(256) not null comment '标题',
+                       `content` text not null comment '内容',
+                       `picture_ids` varchar(512) null comment '图片id数组',
+                       `status` tinyint null default 1 comment '状态 1-正常 0-禁用 2-待审核',
+                       `create_time` datetime not null default current_timestamp comment '创建时间',
+                       `update_time` datetime not null default current_timestamp on update current_timestamp comment '更新时间',
+                       primary key (`id`),
+                       key `idx_user_id` (`user_id`) using btree,
+                       key `idx_title` (`title`) using btree
+) engine = innodb default charset = utf8mb4 comment = '帖子表';
+
+-- 创建评论表
+create table `comment`(
+                          `id` bigint not null auto_increment comment '主键',
+                          `user_id` bigint not null comment '关联用户表',
+                          `post_id` bigint not null comment '关联帖子表',
+                          `content` text not null comment '评论内容',
+                          `status` tinyint null default 1 comment '状态 1-正常 0-禁用 2-待审核',
+                          `create_time` datetime not null default current_timestamp comment '创建时间',
+                          `update_time` datetime not null default current_timestamp on update current_timestamp comment '更新时间',
+                          primary key (`id`),
+                          key `idx_user_id` (`user_id`) using btree,
+                          key `idx_post_id` (`post_id`) using btree
+) engine = innodb default charset = utf8mb4 comment = '评论表';

src/FishPics-backend/src/test/java/hk/ljx/fishpicsbackend/FishPicsBackendApplicationTests.java

@@ -0,0 +1,13 @@
+package hk.ljx.fishpicsbackend;
+
+import org.junit.jupiter.api.Test;
+import org.springframework.boot.test.context.SpringBootTest;
+
+@SpringBootTest
+class FishPicsBackendApplicationTests {
+
+    @Test
+    void contextLoads() {
+    }
+
+}