社区升级

1、表字段统一小写，
   2、表模块划分
   3、表状态等字段统一smallint
   4、部分字段值重新定义

conf/persistence.xml

@@ -5,7 +5,7 @@
     <persistence-unit name="redbbs" transaction-type="RESOURCE_LOCAL">
         <shared-cache-mode>ALL</shared-cache-mode>
         <properties>
-            <property name="javax.persistence.jdbc.url" value="jdbc:mysql://dbserver:3306/redbbs?autoReconnect=true&amp;characterEncoding=utf8"/>
+            <property name="javax.persistence.jdbc.url" value="jdbc:mysql://mysqlhost:3306/?autoReconnect=true&amp;characterEncoding=utf8"/>
             <property name="javax.persistence.jdbc.driver" value="com.mysql.cj.jdbc.Driver"/>
             <property name="javax.persistence.jdbc.user" value="guest"/>
             <property name="javax.persistence.jdbc.password" value="hello"/>