初始化项目

src/main/java/cn/zhangdeman/Exception.java

@@ -0,0 +1,19 @@
+package cn.zhangdeman;
+
+// 自定义异常
+public class Exception {
+    private final Object code; // 错误码
+    private final String message; // 异常信息
+    private final Object data; // 异常数据
+
+    public Exception(Object code, Object data) {
+        this.code = code;
+        this.message = ""; // TODO : 根据code初始化Message
+        this.data = data;
+    }
+    public Exception(Object code, String message, Object data) {
+        this.code = code;
+        this.message = message;
+        this.data = data;
+    }
+}