修复所有数据库性能问题

WebRoot/JSPhandle/login.jsp

@@ -65,6 +65,7 @@
 		PreparedStatement vipsql = null;
 		ResultSet viprs = null;
 		Connection conn = null;
+		conn = DriverManager.getConnection(url, use, password);
 			vipsql = conn.prepareStatement(
 					"select userName,case when VIP = 1 then 'VIP用户' else '普通用户' end as VIP,case when Administrator = 1 then '管理员' else '' end as Administrator from show_user where userName=?");
 			vipsql.setString(1, users);