更新api文档,修改数据表结构,新增object文件

Change-Id: I718db9ed5d4128aa3db1be3f4ba75547872811f8
diff --git a/src/main/java/object/Post.java b/src/main/java/object/Post.java
index a61bc3e..84f9757 100644
--- a/src/main/java/object/Post.java
+++ b/src/main/java/object/Post.java
@@ -1,5 +1,11 @@
 package object;
 
 public class Post {
-    
+    public String postid;
+    public String posttitle;
+    public String postcontent;
+    public String postuserid;
+    public String posttime;
+    public String replytime;
+    public String readtime;
 }