ADD file via upload

src/main/java/com/common/ResultCode.java

@@ -0,0 +1,22 @@
+package com.example.common;
+
+public enum ResultCode {
+    SUCCESS("0", "成功"),
+    ERROR("-1", "系统异常"),
+    PARAM_ERROR("1001", "参数异常"),
+    USER_EXIST_ERROR("2001", "用户已存在"),
+    USER_ACCOUNT_ERROR("2002", "账号或密码错误"),
+    USER_NOT_EXIST_ERROR("2003", "未找到用户"),
+    ORDER_PAY_ERROR("3001", "库存不足，下单失败"),
+    PARAM_LOST_ERROR("2004", "参数缺失"),
+    PARAM_PASSWORD_ERROR("2005", "原密码输入错误"),
+    ;
+
+    public String code;
+    public String msg;
+
+    ResultCode(String code, String msg) {
+        this.code = code;
+        this.msg = msg;
+    }
+}