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src/main/java/com/chaozhanggui/system/cashierservice/exception/MsgException.java

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+package com.chaozhanggui.system.cashierservice.exception;
+
+import com.chaozhanggui.system.cashierservice.annotation.ResultCode;
+import lombok.Data;
+import lombok.EqualsAndHashCode;
+import lombok.ToString;
+import lombok.experimental.Accessors;
+import org.apache.commons.lang3.StringUtils;
+
+import java.io.Serializable;
+import java.util.List;
+
+/**
+ * 一般异常信息的异常，全局捕获会抛出异常信息给前端
+ * @author Djh
+ */
+@Data
+@Accessors(chain = true)
+@EqualsAndHashCode(callSuper = true)
+@ToString(callSuper = true)
+public class MsgException extends RuntimeException {
+
+    private final Serializable obj;
+    private final ResultCode code;
+
+    public MsgException(String msg) {
+        this(msg, null);
+    }
+
+    public MsgException(String msg, Serializable obj) {
+        this(ResultCode.FAIL, msg, obj);
+    }
+
+    public MsgException(ResultCode code, String msg, Serializable obj) {
+        super(msg);
+        this.code = code;
+        this.obj = obj;
+    }
+
+    public static void throwException(String msg) throws MsgException {
+        throw new MsgException(msg);
+    }
+
+    /**
+     * @param result
+     * @param errMsg
+     *
+     * @throws MsgException 为空的时候抛出异常
+     */
+    public static void check(boolean result, String errMsg) throws MsgException {
+        if (result) {
+            throw new MsgException(errMsg);
+        }
+    }
+
+    /**
+     * @param obj1
+     * @param errMsg
+     */
+    public static void checkNull(Object obj1, String errMsg) throws MsgException {
+        if (obj1 == null) {
+            throw new MsgException(errMsg);
+        }
+    }
+
+    public static void checkEquals(Object obj1, Object obj2, String errMsg) {
+        if (obj1.equals(obj2)) {
+            throw new MsgException(errMsg);
+        }
+    }
+
+    public static void checkUnequals(Object obj1, Object obj2, String errMsg) {
+        if (!obj1.equals(obj2)) {
+            throw new MsgException(errMsg);
+        }
+    }
+
+    public static void checkNonNull(Object obj1, String errMsg) throws MsgException {
+        if (obj1 != null) {
+            throw new MsgException(errMsg);
+        }
+    }
+
+    public static void checkBlank(String field, String errMsg) throws MsgException {
+        if (StringUtils.isBlank(field)) {
+            throw new MsgException(errMsg);
+        }
+    }
+
+    public static <T> void checkBlank(List<T> dataList, String errMsg) throws MsgException {
+        if (dataList == null || dataList.isEmpty()) {
+            throw new MsgException(errMsg);
+        }
+    }
+
+    public static <T> void checkNonBlank(List<T> dataList, String errMsg) throws MsgException {
+        if (dataList != null && !dataList.isEmpty()) {
+            throw new MsgException(errMsg);
+        }
+    }
+}
+