feat(0): [java]-[wechat-ferry-mvn]-自定义异常类

clients/java/wechat-ferry-mvn/src/main/java/com/wechat/ferry/exception/BizException.java

@@ -0,0 +1,80 @@
+package com.wechat.ferry.exception;
+
+import java.util.Arrays;
+
+import com.fasterxml.jackson.annotation.JsonInclude;
+import com.wechat.ferry.entity.IResponse;
+import com.wechat.ferry.enums.ResponseCodeEnum;
+
+import lombok.Data;
+import lombok.EqualsAndHashCode;
+
+/**
+ * 业务异常类
+ */
+@Data
+@EqualsAndHashCode(callSuper = true)
+public class BizException extends RuntimeException {
+
+    /**
+     * 返回接口
+     */
+    @JsonInclude(JsonInclude.Include.NON_EMPTY)
+    private final IResponse response;
+
+    /**
+     * 返回参数
+     */
+    @JsonInclude(JsonInclude.Include.NON_EMPTY)
+    private transient Object[] arg;
+
+    /**
+     * 业务异常构造器
+     *
+     * @param msg 异常信息
+     * @date 2021/11/24 23:58
+     */
+    public <T extends IResponse> BizException(String msg) {
+        super(msg);
+        this.response = ResponseCodeEnum.FAILED;
+        this.arg = null;
+    }
+
+    /**
+     * 业务异常构造器
+     *
+     * @param msg 异常信息
+     * @param args 异常参数
+     * @date 2021/11/24 23:58
+     */
+    public <T extends IResponse> BizException(String msg, Object... args) {
+        super(msg);
+        this.response = ResponseCodeEnum.FAILED;
+        this.arg = args;
+    }
+
+    /**
+     * 业务异常构造器
+     *
+     * @param t 异常响应码
+     * @param args 异常参数
+     * @date 2021/11/24 23:59
+     */
+    public <T extends IResponse> BizException(T t, Object... args) {
+        super(Arrays.toString(args));
+        this.response = t;
+        this.arg = args;
+    }
+
+    public <T extends IResponse> BizException(BizException e) {
+        this.response = e.getResponse();
+        this.arg = e.getArg();
+    }
+
+    public <T extends IResponse> BizException(ResponseCodeEnum t, String msg) {
+        super(msg);
+        this.response = t;
+        this.arg = null;
+    }
+
+}

clients/java/wechat-ferry-mvn/src/main/java/com/wechat/ferry/exception/GlobalExceptionHandler.java

@@ -0,0 +1,79 @@
+package com.wechat.ferry.exception;
+
+import java.text.MessageFormat;
+
+import javax.servlet.http.HttpServletRequest;
+
+import org.springframework.core.annotation.Order;
+import org.springframework.web.bind.MethodArgumentNotValidException;
+import org.springframework.web.bind.annotation.ExceptionHandler;
+import org.springframework.web.bind.annotation.RestControllerAdvice;
+
+import com.wechat.ferry.entity.TResponse;
+import com.wechat.ferry.enums.ResponseCodeEnum;
+
+import lombok.extern.slf4j.Slf4j;
+
+/**
+ * 全局统一异常
+ *
+ * @author Simith
+ * @date 2021/11/23 23:20
+ */
+@Slf4j
+@Order(-1)
+// 表示当前类为全局异常处理器
+@RestControllerAdvice
+public class GlobalExceptionHandler {
+
+    /**
+     * 通用异常-系统级别未知异常
+     *
+     * @param e 异常信息
+     * @return TResponse
+     * @author Simith
+     * @date 2021/11/23 23:22
+     */
+    @ExceptionHandler(Exception.class)
+    public TResponse<Object> handleException(Exception e) {
+        log.error("全局异常信息 ex={}", e.getMessage(), e);
+        // 打印堆栈信息
+        e.printStackTrace();
+        String message = ResponseCodeEnum.FAILED.getMsg() + "：" + e.getMessage();
+        return new TResponse<>(ResponseCodeEnum.FAILED, message);
+    }
+
+    /**
+     * 参数异常
+     * 
+     * @author chandler
+     * @date 2023/4/3 23:26
+     * @param request 请求入参
+     * @param e 异常消息
+     * @return TResponse 返回体
+     */
+    @ExceptionHandler(value = {MethodArgumentNotValidException.class})
+    public TResponse<Object> handleValidationException(HttpServletRequest request, MethodArgumentNotValidException e) {
+        log.error("[请求体参数校验不通过]", e);
+        String message = e.getBindingResult().getAllErrors().get(0).getDefaultMessage();
+        return new TResponse<>(ResponseCodeEnum.PARAM_ERROR, message);
+    }
+
+    /**
+     * 自定义错误异常
+     *
+     * @param e 异常信息
+     * @return TResponse
+     * @author Simith
+     * @date 2021/11/23 23:43
+     */
+    @ExceptionHandler(BizException.class)
+    public TResponse<Object> handleBizException(BizException e) {
+        // 打印错误
+        e.printStackTrace();
+        // 获取错误码
+        String message = MessageFormat.format(e.getMessage(), e.getArg());
+        return new TResponse<>(ResponseCodeEnum.FAILED, message);
+    }
+
+}