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asp 刪除數據庫記錄的代碼

發(fā)布時(shí)間:2021-08-17 12:10 來(lái)源: 閱讀:0 作者: 欄目: ASP 歡迎投稿:712375056

刪除單條記錄
代碼如下:
id = saferequest("id")
sql="delete from table1 where whereid>"&id&""
rs.open sql,conn,1,3
response.write "<script>alert('刪除成功');location.href='del.asp';</script>"
set rs=nothing
set conn=nothing

這是過(guò)濾非法字符函數
代碼如下:
function saferequest(paraname)
dim paravalue
paravalue=request(paraname)
if isnumeric(paravalue) = true then
saferequest=paravalue
exit function
elseif instr(lcase(paravalue),"select ") > 0 or instr(lcase(paravalue),"insert ") > 0 or instr(lcase(paravalue),"delete from") > 0 or instr(lcase(paravalue),"count(") > 0 or instr(lcase(paravalue),"drop table") > 0 or instr(lcase(paravalue),"update ") > 0 or instr(lcase(paravalue),"truncate ") > 0 or instr(lcase(paravalue),"asc(") > 0 or instr(lcase(paravalue),"mid(") > 0 or instr(lcase(paravalue),"char(") > 0 or instr(lcase(paravalue),"xp_cmdshell") > 0 or instr(lcase(paravalue),"exec master") > 0 or instr(lcase(paravalue),"net localgroup administrators") > 0 or instr(lcase(paravalue)," and ") > 0 or instr(lcase(paravalue),"net user") > 0 or instr(lcase(paravalue)," or ") > 0 or instr(lcase(paravalue),"""")>0 or instr(lcase(paravalue),"'")>0 then
response.write "請不要在函數中加入非法字符!"
response.end
else
saferequest=paravalue
end if
end function


批量刪除方法:
主要是利用for循環(huán)來(lái)實(shí)現。
代碼如下:
id=request.form("checkbox")
id=Split(id,",")
shu=0
for i=0 to UBound(id)
sql="select * from jiang_fname where id="&id(i)
set rs=conn.execute(sql)
shu=shu+1
next

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