first commit

src/main/java/com/mikufufu/common/annotation/Account.java

@@ -0,0 +1,10 @@
+package com.mikufufu.common.annotation;
+
+import java.lang.annotation.*;
+
+// 注解位置设置为类成员变量或方法参数上
+@Target({ElementType.FIELD,ElementType.PARAMETER})
+@Retention(RetentionPolicy.RUNTIME)
+@Documented
+public @interface Account {
+}