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Sql(ÊÂÎï+Óαê)ʹÓ÷½·¨

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1. Sqlд·¨(ÊÂÎï+Óαê)
--¿ªÊ¼ÊÂÎñ
BEGIN TRAN
--²»ÏÔʾ¼ÆÊýÐÅÏ¢
SET NOCOUNT ON
DECLARE @ProjNo varchar(50),@CusNo varchar(50)
--ÉùÃ÷Óαê
DECLARE CRMPSContact_cursor CURSOR FOR 
SELECT ProjNo
from CRMPSContact
WHERE ProjNo>0
--´ò¿ªÓαê
OPEN CRMPSContact_cursor
--È¡µÚÒ»ÐеÄÖµ¸ø×¨°¸±äÁ¿: @ProjNo
FETCH NEXT from CRMPSContact_cursor 
INTO @ProjNo
--È¡µÃ¿Í»§ºÅ
select @CusNo = CusNo 
from CRMPSProjectM 
where ProjNo = @ProjNo
--µÃµ½CRMPSContactÖÐijר°¸ºÅ¶ÔÓ¦µÄ¿Í»§ºÅ
update CRMPSContact 
set CusNo = @CusNo
where ProjNo = @ProjNo
--Ö´ÐдíÎ󻨹ö
if @@error!=0
  begin
    rollback tran
    return
  end
--ÒÆ¶¯Óαê,ÆäËüËùÓÐÐиüвÙ×÷(µ±µ½½áβʱÍ˳ö)
WHIL ......

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ʹÓÃVB°ÑExcelµ¼Èëµ½SqlÊý¾Ý¿âÖУ¬ÆäʵÓм¸ÖÖ·½·¨¡£
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-----------------------------------------------------ÏÂÃæÊÇÔÚT-sqlÖеÄÓï¾ä
if object_id('NewTable') is not null/*ÅжϱíNewTableÊÇ·ñ´æÔÚ£¬Èç¹û´æÔÚÔòɾ³ýËü*/
        drop table NewTable
Select * Into NewTable from OpenDataSource('Microsoft.Jet.OLEDB.4.0'," _
                   & "'Data Source=" & ExcelÎļþÃû£¨¾ø¶Ô·¾¶£© & _
                   ";User ID=Admin;Password=;Extended properties=Excel 5.0')...[¹¤×÷±íÃû]
-----------------------------------------------------ÉÏÃæÊÇÔÚT-sqlÖеÄÓï¾ä
ÕâÑù£¬¾Í°ÑÕâ¸öExcel¹¤×÷±íÍêÕûµÄµ¼Èëµ½Sqlµ±Ç°Êý¾Ý¿âϵÄNewTableµÄ±íÖÐÁË¡£
Èç¹ûÏëµ½VBÀïÃæÊ¹Óã¬ÔòÁ¬½ ......

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if object_id('NewTable') is not null/*ÅжϱíNewTableÊÇ·ñ´æÔÚ£¬Èç¹û´æÔÚÔòɾ³ýËü*/
        drop table NewTable
Select * Into NewTable from OpenDataSource('Microsoft.Jet.OLEDB.4.0'," _
                   & "'Data Source=" & ExcelÎļþÃû£¨¾ø¶Ô·¾¶£© & _
                   ";User ID=Admin;Password=;Extended properties=Excel 5.0')...[¹¤×÷±íÃû]
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ÕâÑù£¬¾Í°ÑÕâ¸öExcel¹¤×÷±íÍêÕûµÄµ¼Èëµ½Sqlµ±Ç°Êý¾Ý¿âϵÄNewTableµÄ±íÖÐÁË¡£
Èç¹ûÏëµ½VBÀïÃæÊ¹Óã¬ÔòÁ¬½ ......

¸ßÊÖÏê½âSQLÐÔÄÜÓÅ»¯Ê®Ìõ¾­Ñé

1.²éѯµÄÄ£ºýÆ¥Åä
¾¡Á¿±ÜÃâÔÚÒ»¸ö¸´ÔÓ²éѯÀïÃæÊ¹Óà LIKE '%parm1%'—— ºìÉ«±êʶλÖõİٷֺŻᵼÖÂÏà¹ØÁеÄË÷ÒýÎÞ·¨Ê¹Óã¬×îºÃ²»ÒªÓÃ.
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a¡¢ÐÞ¸Äǰ̨³ÌÐò——°Ñ²éѯÌõ¼þµÄ¹©Ó¦ÉÌÃû³ÆÒ»À¸ÓÉÔ­À´µÄÎı¾ÊäÈë¸ÄΪÏÂÀ­ÁÐ±í£¬Óû§Ä£ºýÊäÈ빩ӦÉÌÃû³ÆÊ±£¬Ö±½ÓÔÚǰ̨¾Í°ï涨λµ½¾ßÌåµÄ¹©Ó¦ÉÌ£¬ÕâÑùÔÚµ÷Óúǫ́³ÌÐòʱ£¬ÕâÁоͿÉÒÔÖ±½ÓÓõÈÓÚÀ´¹ØÁªÁË¡£
b¡¢Ö±½ÓÐ޸ĺǫ́——¸ù¾ÝÊäÈëÌõ¼þ£¬ÏȲé³ö·ûºÏÌõ¼þµÄ¹©Ó¦ÉÌ£¬²¢°ÑÏà¹Ø¼Ç¼±£´æÔÚÒ»¸öÁÙʱ±íÀïÍ·£¬È»ºóÔÙÓÃÁÙʱ±íÈ¥×ö¸´ÔÓ¹ØÁª
2.Ë÷ÒýÎÊÌâ
ÔÚ×öÐÔÄܸú×Ù·ÖÎö¹ý³ÌÖУ¬¾­³£·¢ÏÖÓв»ÉÙºǫ́³ÌÐòµÄÐÔÄÜÎÊÌâÊÇÒòΪȱÉÙºÏÊÊË÷ÒýÔì³ÉµÄ£¬ÓÐЩ±íÉõÖÁÒ»¸öË÷Òý¶¼Ã»ÓС£ÕâÖÖÇé¿öÍùÍù¶¼ÊÇÒòΪÔÚÉè¼Æ±íʱ£¬Ã»È¥¶¨ÒåË÷Òý£¬¶ø¿ª·¢³õÆÚ£¬ÓÉÓÚ±í¼Ç¼ºÜÉÙ£¬Ë÷Òý´´½¨Óë·ñ£¬¿ÉÄܶÔÐÔÄÜûɶӰÏ죬¿ª·¢ÈËÔ±Òò´ËҲδ¶à¼ÓÖØÊÓ¡£È»Ò»µ©³ÌÐò·¢²¼µ½Éú²ú»·¾³£¬Ëæ×Åʱ¼äµÄÍÆÒÆ£¬±í¼Ç¼ԽÀ´Ô½¶à
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SQL ·À×¢Èëʽ¹¥»÷

1¡¢¼ì²éÊÇ·ñÓзǷ¨×Ö·û
public static boolean sql_inj(String str)
{
    String inj_str = "'|and|exec|insert|select|delete|update|
count|*|%|chr|mid|master|truncate|char|declare|;|or|-|+|,";
//ÕâÀïµÄ¶«Î÷»¹¿ÉÒÔ×Ô¼ºÌí¼Ó
String[] inj_stra=inj_str.split("\\|");
    for (int i=0 ; i <; inj_stra.length ; i++ )
    {
        if (str.indexOf(inj_stra[i])<=0)
        {
            return true;
        }
    }
    return false;
}
2¡¢¹ýÂË·Ç·¨×Ö·û
public static String TransactSQLInjection(String str)
{
return str.replaceAll(".*([';]+|(--)+).*", " ");
} ......

asp.net(c#) ÏÂSQL´æ´¢¹ý³ÌʹÓÃÏêϸʵÀý

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create procedure getArticle
as
select * from Article_Content
GO
asp.net µ÷Ó÷½·¨
  SqlConnection Conn = new SqlConnection();
        Conn.ConnectionString = Data.Connstr();
        Conn.Open();
        SqlDataAdapter sdr=new SqlDataAdapter();
        sdr.SelectCommand = new SqlCommand("getArticle", Conn);
        sdr.SelectCommand.CommandType=CommandType.StoredProcedure;
        DataSet rs = new DataSet();
        sdr.Fill(rs);
        sdr.Dispose();
        Conn.Dispose();
        Response.Write(rs.Tables[0].Rows.Count);
       
---------------------------------------- ......

asp.net(c#) ÏÂSQL´æ´¢¹ý³ÌʹÓÃÏêϸʵÀý

¼ÇÈ¡¼Ç¼¼¯
create procedure getArticle
as
select * from Article_Content
GO
asp.net µ÷Ó÷½·¨
  SqlConnection Conn = new SqlConnection();
        Conn.ConnectionString = Data.Connstr();
        Conn.Open();
        SqlDataAdapter sdr=new SqlDataAdapter();
        sdr.SelectCommand = new SqlCommand("getArticle", Conn);
        sdr.SelectCommand.CommandType=CommandType.StoredProcedure;
        DataSet rs = new DataSet();
        sdr.Fill(rs);
        sdr.Dispose();
        Conn.Dispose();
        Response.Write(rs.Tables[0].Rows.Count);
       
---------------------------------------- ......

asp.net(c#) ÏÂSQL´æ´¢¹ý³ÌʹÓÃÏêϸʵÀý

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create procedure getArticle
as
select * from Article_Content
GO
asp.net µ÷Ó÷½·¨
  SqlConnection Conn = new SqlConnection();
        Conn.ConnectionString = Data.Connstr();
        Conn.Open();
        SqlDataAdapter sdr=new SqlDataAdapter();
        sdr.SelectCommand = new SqlCommand("getArticle", Conn);
        sdr.SelectCommand.CommandType=CommandType.StoredProcedure;
        DataSet rs = new DataSet();
        sdr.Fill(rs);
        sdr.Dispose();
        Conn.Dispose();
        Response.Write(rs.Tables[0].Rows.Count);
       
---------------------------------------- ......

sql Server2000 Êý¾Ý¿âÓʼþ

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*²âÊÔ»·¾³: windowx Xp
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