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

C#.NET·ÀÖ¹SQL×¢Èëʽ¹¥»÷

1  ·ÀÖ¹sql×¢Èëʽ¹¥»÷(¿ÉÓÃÓÚUI²ã¿ØÖÆ£© #region  ·ÀÖ¹sql×¢Èëʽ¹¥»÷(¿ÉÓÃÓÚUI²ã¿ØÖÆ£©
  2 
  3   /**/ /// 
  4  ///  ÅжÏ×Ö·û´®ÖÐÊÇ·ñÓÐSQL¹¥»÷´úÂë
  5  /// 
  6  ///  ´«ÈëÓû§Ìá½»Êý¾Ý
  7  ///  true-°²È«£»false-ÓÐ×¢Èë¹¥»÷ÏÖÓУ»
  8  public   bool  ProcessSqlStr( string  inputString)
  9    {
 10       string  SqlStr  =   @" and|or|exec|execute|insert|select|delete|update|alter|create|drop|count|\*|chr|char|asc|mid|substring|master|truncate|declare|xp_cmdshell|restore|backup|net +user|net +localgroup +administrators " ;
 11       try
 12         {
 13           if  ((inputString  !=   null )  &&  (inputString  !=  String.Empty))
 14             {
 15               string  str_Regex  =   @" \b( "   +  SqlStr  +   @" )\b " ;
 16 
 17              Regex Regex  =   new  Regex(str_Regex, RegexOptions.IgnoreCase);
 18               // string s = Regex.Match(inputString).Value; 
 19               if  ( true   ==  Regex.IsMatch(inputString))
 20                   return   false ;
 21 
 22 &


Ïà¹ØÎĵµ£º

SQL ÿ¸ö·ÖÀà¸÷È¡2ÌõÊý¾Ý

create table tb (ptoid int,proclassid int,proname varchar(10))
insert tb
select 1,1,'Ò·þ1'
union all
select 2,2,'Ò·þ2'
union all
select 3,3,'Ò·þ3'
union all
select 4,3,'Ò·þ4'
union all
select 5,2,'Ò·þ5'
union all
select 6,2,'Ò·þ6'
union all
select 7,2,'Ò·þ7'
union all
select 8 ......

×î½üµÄÁ½ÌõsqlЧÂÊÓÅ»¯ÐĵÃ

µÚÒ»Ìõ£º
select * from where field in (1,2,3)   ÕâÖÖд·¨Ó¦¸ÃÉáÆúÁË£¬¶øÓ¦¸ÃÕâÑùд£º
select * from table where field = 1 or field = 2 or field = 3 
ÎªÊ²Ã´ÄØ£¿
·²ÊÂÖ»ÓÐ×ö¹ý²ÅÖªµÀ£¬×Ô¼º½¨¸ö±í£¬²åÈë10WÌõ²âÊÔÊý¾Ý£¬ÓÃsql²âÊÔһϱãÖª£¬ÒòΪ¹¤×÷±ãÀû£¬ÎÒÔÚ²úÆ·»úºÍÍâÍø²âÊÔ»ú¶¼ÒѾ­²âÊÔ¹ý£ ......

¡¾×ª¡¿sql½âÎö²½Ö裬Ӳ½âÎöºÍÈí½âÎö





ÎÒÃǶ¼ÖªµÀÔÚOracleÖÐÿÌõSQLÓï¾äÔÚÖ´ÐÐ֮ǰ¶¼ÐèÒª¾­¹ý½âÎö£¬ÕâÀïÃæÓÖ·ÖΪÈí½âÎöºÍÓ²½âÎö¡£ÔÚOracleÖдæÔÚÁ½ÖÖÀàÐ͵ÄSQLÓï¾ä£¬Ò»ÀàΪ
DDLÓï¾ä£¨Êý¾Ý¶¨ÒåÓïÑÔ£©£¬ËûÃÇÊÇ´ÓÀ´²»»á¹²ÏíʹÓõģ¬Ò²¾ÍÊÇÿ´ÎÖ´Ðж¼ÐèÒª½øÐÐÓ²½âÎö¡£»¹ÓÐÒ»Àà¾ÍÊÇDMLÓï¾ä£¨Êý¾Ý²Ù×ÝÓïÑÔ£©£¬ËûÃÇ»á¸ù¾ ......

¡¾×ª¡¿Oracle SQLÐÔÄÜÓÅ»¯¼¼ÇÉ´ó×ܽá

£¨1£© Ñ¡Ôñ×îÓÐЧÂʵıíÃû˳Ðò(Ö»ÔÚ»ùÓÚ¹æÔòµÄÓÅ»¯
Æ÷ÖÐÓÐЧ)£º
   
Oracle
µÄ
½âÎöÆ÷°´ÕÕ´ÓÓÒµ½×óµÄ˳Ðò´¦Àífrom×Ó¾äÖеıíÃû£¬from×Ó¾äÖÐдÔÚ×îºóµÄ±í(»ù´¡±í driving
table)½«±»×îÏÈ´¦Àí£¬ÔÚfrom×Ó¾äÖаüº¬¶à¸ö±íµÄÇé¿öÏÂ,Äã±ØÐëÑ¡Ôñ¼Ç¼ÌõÊý×îÉٵıí×÷Ϊ»ù´¡±í¡£¼ÙÈçÓÐ3¸öÒÔÉϵıíÁ¬½Ó²éѯ,
ÄÇ¾Í ......
© 2009 ej38.com All Rights Reserved. ¹ØÓÚE½¡ÍøÁªÏµÎÒÃÇ | Õ¾µãµØÍ¼ | ¸ÓICP±¸09004571ºÅ