Ò׽ؽØÍ¼Èí¼þ¡¢µ¥Îļþ¡¢Ãâ°²×°¡¢´¿ÂÌÉ«¡¢½ö160KB

×î¼òµ¥µÄ×î¸ßЧµÄ¹ýÂËSQL½Å±¾·À×¢Èë

.errInfo
{
    border:solid 1px #d00;
    background:#F7F0F7;
}
1.URLµØÖ··À×¢È룺
//¹ýÂËURL·Ç·¨SQL×Ö·û
var sUrl=location.search.toLowerCase();
var sQuery=sUrl.substring(sUrl.indexOf("=")+1);
re=/select|update|delete|truncate|join|union|exec|insert|drop|count|’|"|=|;|>|<|%/i;
if(re.test(sQuery))
{
    alert("ÇëÎðÊäÈë·Ç·¨×Ö·û");
    location.href=sUrl.replace(sQuery,"");
}
 
2.ÊäÈëÎı¾¿ò·À×¢È룺
ÒýÈëÒÔÏÂjs
//·ÀÖ¹SQL×¢Èë
function AntiSqlValid(oField )
{
    re= /select|update|delete|exec|count|’|"|=|;|>|<|%/i;
    if ( re.test(oField.value) )
    {
    //alert("ÇëÄú²»ÒªÔÚ²ÎÊýÖÐÊäÈëÌØÊâ×Ö·ûºÍSQL¹Ø¼ü×Ö£¡"); //×¢ÒâÖÐÎÄÂÒÂë
    oField.value = ”;
    oField.className="errInfo";
    oField.focus();
    return false;
    }
 
ÔÚÐèÒª·À×¢ÈëµÄÊäÈëÎı¾¿òÌí¼ÓÈçÏ·½·¨
            txtName.Attributes.Add("onblur", "AntiSqlValid(this)");//·ÀÖ¹Sql½Å±¾×¢Èë


Ïà¹ØÎĵµ£º

SQLÃüÁî´óÈ«

[code=SQL][/code]
--Óï ¾ä ¹¦ ÄÜ 
--Êý¾Ý²Ù×÷ 
SELECT --´ÓÊý¾Ý¿â±íÖмìË÷Êý¾ÝÐкÍÁР
INSERT --ÏòÊý¾Ý¿â±íÌí¼ÓÐÂÊý¾ÝÐР
DELETE --´ÓÊý¾Ý¿â±íÖÐɾ³ýÊý¾ÝÐР
UPDATE --¸üÐÂÊý¾Ý¿â±íÖеÄÊý¾Ý
--Êý¾Ý¶¨Òå 
CREATE TABLE --´´½¨Ò»¸öÊý¾Ý¿â±í 
DROP TABLE --´ÓÊý¾Ý¿âÖÐɾ ......

½â¾öÊý¾ÝÄÚÓÐ'µÄsqlÓï¾ä

SELECT OrderId, TableName, replace(PrimaryKeyColumn,'''','''''') as PrimaryKeyColumn, ColumnState,cast(IsUpdating as varchar) as IsUpdating, OperateTime, ValueColumn, SystemTypeID from SubCompFtpDataDairy where OperateTime>=dateadd(hh,-24,getdate()) ......

Sql NewId() Ëæ»úÊý £¨×ª£©


´ÓA±íËæ»úÈ¡10Ìõ¼Ç¼,ÓÃSELECT TOP 10 * from ywle order by newid()
order by Ò»°ãÊǸù¾Ýijһ×Ö¶ÎÅÅÐò,newid()µÄ·µ»ØÖµ ÊÇuniqueidentifier ,order by newid()Ëæ»úѡȡ¼Ç¼ÊÇÈçºÎ½øÐеÄ
newid()ÔÚɨÃèÿÌõ¼Ç¼µÄʱºò¶¼Éú³ÉÒ»¸öÖµ, ¶øÉú³ÉµÄÖµÊÇËæ»úµÄ, ûÓдóСд˳Ðò. ËùÒÔ×îÖÕ½á¹ûÔÙ°´Õâ¸öÅÅÐò, ÅÅÐòµÄ½á¹ûµ±È»¾ÍÊÇÎ ......

SQL SERVER¾¯±¨¹ÜÀí Êý¾Ý»Ö¸´

¾¯±¨¹ÜÀí
×÷ÒµÖ´ÐÐʱ£¬SQL Server´íÎóÏûÏ¢µÄÐÅÏ¢´æ·ÅÔÚWindowsÊÂÎñÈÕÖ¾ÖС£SQL Server´úÀí¶ÁÈ¡Õâ¸öÈÕÖ¾£¬²¢±È½Ï´æ´¢µÄÏûÏ¢ÓëΪϵͳ¶¨ÒåµÄ¾¯±¨£¬Èç¹ûÆ¥Å䣬SQL Server´úÀí¼¤»î¸Ã¾¯±¨£¬ËùÒÔ£¬¾¯±¨¿ÉÒÔÓÃÓÚÏìӦDZÔÚµÄÎÊÌâ(ÈçÌîÂúÊÂÎñÈÕÖ¾)¡£µ±¾¯±¨±»´¥·¢Ê±£¬Í¨¹ýµç×ÓÓʼþ»òÕßѰºô֪ͨ²Ù×÷Ô±£¬´Ó¶øÈòÙ×÷Ô±Á˽âϵͳÖз¢ÉúÁËʲà ......

SQLÖÐcase when thenµÄʹÓÃʵÀý

¼ÙÉèÏÖÔÚNews±íÓÐÒÔÏÂ×Ö¶Î
News_Id,News_Title,News_IsSetTop,News_SetTopTime
ÆäÖÐNews_IsSetTop(char(1))ÊÇ“ÊÇ·ñÖö¥”µÄº¬Ò壻News_SetTopTime(DateTime)ÊÇÖö¥Ê±¼ä£»
ÏÖÔÚҪʵÏÖ£ºÈç¹ûNews_IsSetTopΪ"1"ʱ £¬ORDER BY News_IsSetTop DESC,News_Id DESC£»News_IsSetTopΪ"0"ʱ£¬ORDER BY News_ID DESC ......
© 2009 ej38.com All Rights Reserved. ¹ØÓÚE½¡ÍøÁªÏµÎÒÃÇ | Õ¾µãµØÍ¼ | ¸ÓICP±¸09004571ºÅ