mysql limit ·ÖÒ³
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LIMIT×Ó¾ä¿ÉÒÔ±»ÓÃÀ´ÏÞÖÆSELECTÓï¾ä·µ»ØµÄÐÐÊý¡£LIMITÈ¡1¸ö»ò2¸öÊý×Ö²ÎÊý£¬Èç¹û¸ø¶¨2¸ö²ÎÊý£¬µÚÒ»¸öÖ¸¶¨Òª·µ»ØµÄµÚÒ»ÐеÄÆ«ÒÆÁ¿£¬µÚ¶þ¸öÖ¸¶¨·µ»ØÐеÄ×î´óÊýÄ¿¡£³õʼÐеÄÆ«ÒÆÁ¿ÊÇ0(²»ÊÇ1)¡£ mysql> select * from table LIMIT 5,10; # Retrieve rows 6-15 Èç¹û¸ø¶¨Ò»¸ö²ÎÊý£¬ËüÖ¸³ö·µ»ØÐеÄ×î´óÊýÄ¿¡£ mysql> select * from table LIMIT 5; # Retrieve first 5 rows »»¾ä»°Ëµ£¬LIMIT nµÈ¼ÛÓÚLIMIT 0,n¡£ getInteger(String nm) È·¶¨¾ßÓÐÖ¸¶¨Ãû³ÆµÄϵͳÊôÐÔµÄÕûÊýÖµ¡£ parseInt(String s) ½«×Ö·û´®²ÎÊý×÷ΪÓзûºÅµÄÊ®½øÖÆÕûÊý½øÐзÖÎö¡£ ËùÒÔתÊý×ÖʱÓÃÏÂÃæÕâÑù¡£ÓÃÉÏÃæÕâ¸ö³ö´í¡£
String sPageNow=req.getParameter("wpageNow");
pw.println("spageNow:"+sPageNow);
if(sPageNow!=null){
pageNow=Integer.parseInt(sPageNow);
}
if(pageNow>0){
temp=(pageNow-1)*pageCount;
sql="select * from work limit "+temp+","+pageCount;
pw.println(sql);
rs=con.getRs(st, sql);
}
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