first init

src/main/java/com/yupi/project/common/BaseResponse.java

@@ -0,0 +1,42 @@
+package com.yupi.project.common;
+
+import lombok.Data;
+
+import java.io.Serializable;
+
+/**
+ * 通用返回类
+ *
+ * @param <T>
+ * @author yupi
+ */
+@Data
+public class BaseResponse<T> implements Serializable {
+
+    private int code;
+
+    private T data;
+
+    private String message;
+
+    private String description;
+
+    public BaseResponse(int code, T data, String message, String description) {
+        this.code = code;
+        this.data = data;
+        this.message = message;
+        this.description = description;
+    }
+
+    public BaseResponse(int code, T data, String message) {
+        this(code, data, message, "");
+    }
+
+    public BaseResponse(int code, T data) {
+        this(code, data, "", "");
+    }
+
+    public BaseResponse(ErrorCode errorCode) {
+        this(errorCode.getCode(), null, errorCode.getMessage(), errorCode.getDescription());
+    }
+}

src/main/java/com/yupi/project/common/ErrorCode.java

@@ -0,0 +1,49 @@
+package com.yupi.project.common;
+
+/**
+ * 错误码
+ *
+ * @author yupi
+ */
+public enum ErrorCode {
+
+    SUCCESS(0, "ok", ""),
+    PARAMS_ERROR(40000, "请求参数错误", ""),
+    NULL_ERROR(40001, "请求数据为空", ""),
+    NOT_LOGIN(40100, "未登录", ""),
+    NO_AUTH(40101, "无权限", ""),
+    SYSTEM_ERROR(50000, "系统内部异常", ""),
+    SAVE_ERROR(50010, "新增失败", ""),
+    UPDATE_ERROR(50020, "更新失败", ""),
+    DELETE_ERROR(50030, "删除失败", "");
+
+    private final int code;
+
+    /**
+     * 状态码信息
+     */
+    private final String message;
+
+    /**
+     * 状态码描述（详情）
+     */
+    private final String description;
+
+    ErrorCode(int code, String message, String description) {
+        this.code = code;
+        this.message = message;
+        this.description = description;
+    }
+
+    public int getCode() {
+        return code;
+    }
+
+    public String getMessage() {
+        return message;
+    }
+
+    public String getDescription() {
+        return description;
+    }
+}

src/main/java/com/yupi/project/common/ResultUtils.java

@@ -0,0 +1,62 @@
+package com.yupi.project.common;
+
+/**
+ * 返回工具类
+ *
+ * @author yupi
+ */
+public class ResultUtils {
+
+    /**
+     * 成功
+     *
+     * @param data
+     * @param <T>
+     * @return
+     */
+    public static <T> BaseResponse<T> success(T data) {
+        return new BaseResponse<>(0, data, "ok");
+    }
+
+    /**
+     * 失败
+     *
+     * @param errorCode
+     * @return
+     */
+    public static BaseResponse error(ErrorCode errorCode) {
+        return new BaseResponse<>(errorCode);
+    }
+
+    /**
+     * 失败
+     *
+     * @param code
+     * @param message
+     * @param description
+     * @return
+     */
+    public static BaseResponse error(int code, String message, String description) {
+        return new BaseResponse(code, null, message, description);
+    }
+
+    /**
+     * 失败
+     *
+     * @param errorCode
+     * @return
+     */
+    public static BaseResponse error(ErrorCode errorCode, String message, String description) {
+        return new BaseResponse(errorCode.getCode(), null, message, description);
+    }
+
+    /**
+     * 失败
+     *
+     * @param errorCode
+     * @return
+     */
+    public static BaseResponse error(ErrorCode errorCode, String description) {
+        return new BaseResponse(errorCode.getCode(), errorCode.getMessage(), description);
+    }
+}