完成部分帖子相关功能，同时完善了一些用户功能
Change-Id: Ie9d22bcceec197930d48f578d8b9a749ce7a3382
diff --git a/src/main/java/com/pt/entity/Admin.java b/src/main/java/com/pt/entity/Admin.java
new file mode 100644
index 0000000..856924d
--- /dev/null
+++ b/src/main/java/com/pt/entity/Admin.java
@@ -0,0 +1,46 @@
+package com.pt.entity;
+
+import jakarta.persistence.Entity;
+import jakarta.persistence.Id;
+
+@Entity
+public class Admin {
+
+ @Id
+ private String id;
+
+ private String username;
+ private String password;
+
+ public Admin() {
+ }
+ public Admin(String id, String username, String password) {
+ this.id = id;
+ this.username = username;
+ this.password = password;
+ }
+
+ public String getId() {
+ return id;
+ }
+
+ public void setId(String adminId) {
+ this.id = adminId;
+ }
+
+ public String getUsername() {
+ return username;
+ }
+
+ public void setUsername(String username) {
+ this.username = username;
+ }
+
+ public String getPassword() {
+ return password;
+ }
+
+ public void setPassword(String password) {
+ this.password = password;
+ }
+}