ÈçºÎÖªµÀaccess±í¸ñÖÐÓжàÉÙÊý¾Ý£¬ - Java / Web ¿ª·¢
Class.forName("sun.jdbc.odbc.JdbcOdbcDriver");
Connection con = DriverManager.getConnection("jdbc:odbc:webde", "", "");
Statement stmt = con.createStatement();
ResultSet rs = stmt.executeQuery("SELECT * from export");
ResultSetMetaData rsmd = rs.getMetaData();
int clmCnt = rsmd.getColumnCount();
ͨ¹ýÉÏÃæµÄÄÜÖªµÀÁÐÊý£¬ÎÒÈçºÎÖªµÀÐÐÊý£¬Ò²¾ÍÊÇÓжàÉÙ¸öÊý¾Ý¡£
select count(1) from export
²»¶®£¬ÎÒÏëÖªµÀÓжàÉÙÊý¾Ý£¬¶àÉÙÐÐÊý
ResultSet rs = stmt.executeQuery("SELECT count(*) from export");
int rowCount = rs.getInt(1,1);
ÓÃcountÈö
Ïà¹ØÎÊ´ð£º
ÇëÎÒÓÃFCKÉÏ´«Îļþ,ÔÚ±¾µØµÄwindows»úÉϲâÊÔ¿ÉÒÔ£¬µ«²¿Êðµ½linux·þÎñÆ÷ÉϾÍÉÏ´«²»ÁËÎļþ£¬ÉÏ´«Îļþʱһֱ¿¨ÔÚÄÇÀï¡£Íû¸÷λ´óϺָµã£¬Ð»Ð»£¡
·¹ý£¬°ïÄ㶥һϡ£¡£¡£¡£¡£¡£¡£¡£¡£¡£¡£¡£¡£¡£
ÉÏ´«ÎļþµÄ·¾¶ÎÊÌ⣬ ......
È磺 @superwaring("unchecked");
Õâ¸öÀïÃæ¶¼¿ÉÒÔÈ¡ÄÄЩֵ°¡£¬»¹ÓÐÀàËÆµÄ @superwaring±êÇ©ÓÐÄÄЩ°¡
ûÓùý¡£¡£
¿´jeeµÄapi
javax.persistenceÀï
@superwaring("unchecked");Ö»ÊǺöÂÔ ......
ÔھƵê¹ÜÀíϵͳÖÐ,ÓÐÒ»¸ö¶ÔÄÚµÄϵͳ,¹©Ç°Ì¨·þÎñÔ±ºÍ¾ÀíʹÓÃ
»¹ÓÐÒ»¸ö¾ÍÊǶÔÍâ,Èÿͻ§¿ÉÒÔÔÚÍøÉÏÔ¤¶©·¿¼ä,
ËüÃÇÖ®¼äÊÇÔõôͨѶµÄ.?µ±ÎÒÌá½»Ô¤¶©·¿¼äÐÅÏ¢µÄʱºò,
ÔÚ¶ÔÄÚµÄϵͳÖÐ,ÈçºÎÖªµÀÎÒÒѾÌá½»ÁËÐÅÏ¢¹ýÈ¥.Ê¹Ç ......
´ó¼ÒºÃ£¬ÎÒÏÖÔÚÓÐÒ»¸öÓÃaspдµÄÁÄÌìÊÒ£¬ÏÖÔÚµÄÏëÌí¼ÓÒ»¸ö¹¦ÄÜ£¬¾ÍÊǵ±ÓÐÈËÉÏÏßµÄʱºò£¬·¢³öÌáʾ£¬±ÈÈçÉùÒôÏìһϣ¬ÏÖÔÚÏëÓÃjavaʵÏÖÕâ¸ö¹¦ÄÜ£¬ÇëÎÊ´ó¼ÒÔõôʵÏÖ£¿
ллÁË£¬ÎÒ»á¼Ó·ÖµÄ
aspºÍjavaÕûºÏµ½Ò»ÆðÈ¥£¿ºÎ±Ø ......
ÔÚAccessµÄ²éѯÖÐÖ´ÐÐÏÂÃæµÄÓï¾ä,ÎÞЧ,ÌáʾÆÚ´ýselect ,updata ,...
CreateTble C=Answer N="»ØÌû±í"
(
C=ID T="INTEGER" P=No M=No N="񅧏" Z=false,
C=Ques ......