feat: 初始化音乐项目后台管理系统- 新增后台管理相关页面和功能组件

- 实现管理员评论管理、数据统计等功能
- 添加后台布局和路由管理
-配置数据库和Redis连接
- 实现文件上传和访问路径配置
- 添加Sa-Token安全配置

music-houduan/src/main/java/com/test/musichouduan/exception/BusinessException.java

@@ -0,0 +1,59 @@
+package com.test.musichouduan.exception;
+
+/**
+ * 业务异常
+ */
+public class BusinessException extends RuntimeException {
+
+    private static final long serialVersionUID = 1L;
+
+    /**
+     * 错误码
+     */
+    private Integer code;
+
+    /**
+     * 错误消息
+     */
+    private String message;
+
+    /**
+     * 构造方法
+     *
+     * @param message 错误消息
+     */
+    public BusinessException(String message) {
+        this.code = 500;
+        this.message = message;
+    }
+
+    /**
+     * 构造方法
+     *
+     * @param code 错误码
+     * @param message 错误消息
+     */
+    public BusinessException(Integer code, String message) {
+        this.code = code;
+        this.message = message;
+    }
+
+    /**
+     * 获取错误码
+     *
+     * @return 错误码
+     */
+    public Integer getCode() {
+        return code;
+    }
+
+    /**
+     * 获取错误消息
+     *
+     * @return 错误消息
+     */
+    @Override
+    public String getMessage() {
+        return message;
+    }
+}

music-houduan/src/main/java/com/test/musichouduan/exception/GlobalExceptionHandler.java

@@ -0,0 +1,132 @@
+package com.test.musichouduan.exception;
+
+import cn.dev33.satoken.exception.NotLoginException;
+import cn.dev33.satoken.exception.NotPermissionException;
+import cn.dev33.satoken.exception.NotRoleException;
+import com.test.musichouduan.dto.Result;
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
+import org.springframework.validation.BindException;
+import org.springframework.validation.BindingResult;
+import org.springframework.validation.FieldError;
+import org.springframework.web.bind.MethodArgumentNotValidException;
+import org.springframework.web.bind.annotation.ExceptionHandler;
+import org.springframework.web.bind.annotation.RestControllerAdvice;
+import org.springframework.web.multipart.MaxUploadSizeExceededException;
+import org.springframework.web.servlet.resource.NoResourceFoundException;
+import jakarta.servlet.http.HttpServletRequest;
+
+/**
+ * 全局异常处理器
+ */
+@RestControllerAdvice
+public class GlobalExceptionHandler {
+
+    private static final Logger logger = LoggerFactory.getLogger(GlobalExceptionHandler.class);
+
+    /**
+     * 处理自定义异常
+     */
+    @ExceptionHandler(BusinessException.class)
+    public Result<Void> handleBusinessException(BusinessException e) {
+        logger.error(e.getMessage(), e);
+        return Result.error(e.getCode(), e.getMessage());
+    }
+
+    /**
+     * 处理未登录异常
+     */
+    @ExceptionHandler(NotLoginException.class)
+    public Result<Void> handleNotLoginException(NotLoginException e) {
+        logger.error(e.getMessage(), e);
+        return Result.error(401, "未登录或登录已过期，请重新登录");
+    }
+
+    /**
+     * 处理无权限异常
+     */
+    @ExceptionHandler(NotPermissionException.class)
+    public Result<Void> handleNotPermissionException(NotPermissionException e) {
+        logger.error(e.getMessage(), e);
+        return Result.error(403, "无权限访问");
+    }
+
+    /**
+     * 处理无角色异常
+     */
+    @ExceptionHandler(NotRoleException.class)
+    public Result<Void> handleNotRoleException(NotRoleException e) {
+        logger.error(e.getMessage(), e);
+        return Result.error(403, "无权限访问");
+    }
+
+    /**
+     * 处理参数校验异常
+     */
+    @ExceptionHandler(MethodArgumentNotValidException.class)
+    public Result<Void> handleMethodArgumentNotValidException(MethodArgumentNotValidException e) {
+        logger.error(e.getMessage(), e);
+        BindingResult bindingResult = e.getBindingResult();
+        StringBuilder sb = new StringBuilder("参数校验失败：");
+        for (FieldError fieldError : bindingResult.getFieldErrors()) {
+            sb.append(fieldError.getField()).append("：").append(fieldError.getDefaultMessage()).append(", ");
+        }
+        String msg = sb.toString();
+        if (msg.endsWith(", ")) {
+            msg = msg.substring(0, msg.length() - 2);
+        }
+        return Result.error(400, msg);
+    }
+
+    /**
+     * 处理参数绑定异常
+     */
+    @ExceptionHandler(BindException.class)
+    public Result<Void> handleBindException(BindException e) {
+        logger.error(e.getMessage(), e);
+        BindingResult bindingResult = e.getBindingResult();
+        StringBuilder sb = new StringBuilder("参数绑定失败：");
+        for (FieldError fieldError : bindingResult.getFieldErrors()) {
+            sb.append(fieldError.getField()).append("：").append(fieldError.getDefaultMessage()).append(", ");
+        }
+        String msg = sb.toString();
+        if (msg.endsWith(", ")) {
+            msg = msg.substring(0, msg.length() - 2);
+        }
+        return Result.error(400, msg);
+    }
+
+    /**
+     * 处理文件上传大小超限异常
+     */
+    @ExceptionHandler(MaxUploadSizeExceededException.class)
+    public Result<Void> handleMaxUploadSizeExceededException(MaxUploadSizeExceededException e) {
+        logger.error(e.getMessage(), e);
+        return Result.error(400, "上传文件大小超出限制");
+    }
+
+    /**
+     * 处理资源未找到异常
+     */
+    @ExceptionHandler(NoResourceFoundException.class)
+    public Result<Void> handleNoResourceFoundException(NoResourceFoundException e, HttpServletRequest request) {
+        // 如果是 favicon.ico 的请求，则不记录日志
+        String requestURI = request.getRequestURI();
+        if (requestURI.endsWith("/favicon.ico")) {
+            return Result.error(404, "Resource not found");
+        }
+
+        // 其他资源未找到的情况，记录日志
+        logger.error(e.getMessage(), e);
+        return Result.error(404, "Resource not found");
+    }
+
+    /**
+     * 处理其他异常
+     */
+    @ExceptionHandler(Exception.class)
+    public Result<Void> handleException(Exception e) {
+        logger.error(e.getMessage(), e);
+        return Result.error(500, "服务器内部错误");
+    }
+}