ASP常用函數(shù)收集

2024-05-04 11:06:46

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Oledb方式打開SQL數(shù)據(jù)連接
Sub OpenSqlByOledb
   on error resume next
   set conn=server.createobject("adodb.connection")
   conn.open "Provider=SQLOLEDB.1;Password='sa';Persist Security Info=true;User ID=sa;Initial Catalog=gate;Data Source=(local);"
If err.number<>0 Then
    err.clear
    Response.Write("<div align='center'>數(shù)據(jù)庫連接出錯,請聯(lián)系管理員!</div>")
    Response.End()
   End If
End Sub

'數(shù)據(jù)庫操作相關(guān)函數(shù)
'************************************************************
'[Sub]openReadRs rs,sql,oType
'功能:打開對應(yīng)類型的數(shù)據(jù)集,只讀操作
'參數(shù):
'    rs 打開的rs集合
'    sql 執(zhí)行的SQL語句
'************************************************************
Sub openReadRs(rs,sql)
If Not IsObject(rs) Then
  Set rs=Server.CreateObject("ADODB.Recordset")
  rs.open sql,conn,1,1
End If
End Sub
'************************************************************
'[Sub]openWriteRs rs,sql
'功能:打開對應(yīng)類型的數(shù)據(jù)集,可寫入操作
'參數(shù):
'    rs 打開的rs集合
'    sql 執(zhí)行的SQL語句
'************************************************************
Sub openWriteRs(rs,sql)
If Not IsObject(rs) Then
  Set rs=Server.CreateObject("ADODB.Recordset")
  rs.open sql,conn,1,3
End If
End Sub
'************************************************************
'[Sub]endRs rs
'功能:關(guān)閉對應(yīng)類型的數(shù)據(jù)集
'參數(shù):
'    rs 打開的rs集合
'************************************************************
Sub endRs(rs)
If IsObject(rs) Then
  rs.close:Set rs=Nothing
End If
End Sub
'************************************************************
'[Sub]endConn
'功能:關(guān)閉數(shù)據(jù)庫連接
'參數(shù):無
'************************************************************
Sub endConn
If IsObject(conn) Then
  conn.close:Set conn=Nothing
End If
End Sub
'************************************************************
'[Sub]execSql sql
'功能:執(zhí)行SQL語句
'參數(shù):
'    sql 執(zhí)行的SQL語句
'************************************************************
Sub execSql(sql)
conn.execute(sql)
End Sub
'************************************************************
'[]selectAlone sql
'功能:單一字段查詢
'參數(shù):
'    sql 執(zhí)行的SQL語句
'返回:查詢字段值
'************************************************************
selectAlone(sql)
Dim selectAloneRs
Set selectAloneRs=conn.execute(Sql)
selectAlone=selectAloneRs(0)
endRs selectAloneRs
End

'字符串操作相關(guān)函數(shù)
'************************************************************
'[]IsSafeStr str
'功能:判斷是否安全字符串,在注冊登錄等特殊字段中使用
'參數(shù):
'    str 需檢測的字符串
'返回:true=安全,false=不安全
'************************************************************
IsSafeStr(str)
Dim s_BadStr, n, i
s_BadStr = "'   &<>?%,;:()`~!@#$^*{}[]|+-=" & Chr(34) & Chr(9) & Chr(32)
n = Len(s_BadStr)
IsSafeStr = True
For i = 1 To n
  If Instr(str, Mid(s_BadStr, i, 1)) > 0 Then
   IsSafeStr = False
   Exit
  End If
Next
End
'************************************************************
'[]HtmlToEncode str
'功能:將HTML編碼
'參數(shù):
'    str 需編碼的字符串
'返回:編碼后的字符串
'************************************************************
HtmlToEncode(str) '
if not isnull(str) and str<>"" then
  str = Replace(str,"&","&")
  str = replace(str, ">", ">")
  str = replace(str, "<", "<")
  str = Replace(str, CHR(32), " ")
  str = Replace(str, CHR(9), " ")
  str = Replace(str, CHR(34), """)
  str = Replace(str, CHR(39), "'")
  str = Replace(str, CHR(13), "")
  str = Replace(str, "", "script")
  str = Replace(str, "＆#115;", "s")
  HtmlToEncode = str
end if
End
'************************************************************
'[]EncodeToHtml str
'功能:將HTML反編碼
'參數(shù):
'    str 需反編碼的字符串
'返回:反編碼后的字符串
'************************************************************
EncodeToHtml(str)
if not isnull(str) and str<>"" then
  str = Replace(str,"&","&")
  str = replace(str, ">", ">")
  str = replace(str, "<", "<")
  str = Replace(str, " ", CHR(32))
  str = Replace(str, " ", CHR(9))
  str = Replace(str, """, CHR(34))
  str = Replace(str, "'", CHR(39))
  str = Replace(str, "", CHR(13))
  str = Replace(str, "script", "")
  str = Replace(str, "s", "＆#115;")
  EncodeToHtml = str
end if
End
'************************************************************
'[]gotTopic str,strlen
'功能:截取字符串strlen長度,漢字算2長度
'參數(shù):
'    str 需截取的字符串
'    strlen 截取長度
'返回:截取strlen長度后的字符串
'************************************************************
getTopic(str,strlen)
if str="" then
  gotTopic=""
  exit
end if
dim l,t,c, i
l=len(str)
t=0
for i=1 to l
  c=Abs(Asc(Mid(str,i,1)))
  if c>255 then
   t=t+2
  else
   t=t+1
  end if
  if t>=strlen then
   gotTopic=left(str,i) & "…"
   exit for
  else
   gotTopic=str
  end if
next
End
'************************************************************
'[]DateFormatTime Tvar,sType
'功能:時間格式化
'參數(shù):
'    Tvar 需要格式化的時間字符串
'    sType 格式化類型
'返回:格式化后的時間字符串
'************************************************************
DateFormatTime(Tvar,sType)
dim Tt,sYear,sMonth,sDay,sHour,sMinute,sSecond
If Not IsDate(Tvar) Then DateFormatTime = "" : Exit
Tt   = Tvar
sYear  = Year(Tt)
sMonth = Right("0" & Month(Tt),2)
sDay  = Right("0" & Day(Tt),2)
sHour  = Right("0" & Hour(Tt),2)
sMinute = Right("0" & Minute(Tt),2)
sSecond = Right("0" & Second(Tt),2)
Select Case sType
  Case 1 '2006-3-13
   DateFormatTime = sYear & "-" & sMonth & "-" & sDay
  Case 2 '2006年3月13日
   DateFormatTime = sYear & "年" & sMonth & "月" & sDay & "日"
  case 3 '200603131120123
   DateFormatTime = sYear & sMonth & sDay & sHour & sMinute &sSecond
  Case Else
   DateFormatTime = Tt
  End Select
End
'************************************************************
'[]IsNum str
'功能:是否為數(shù)字
'參數(shù):
'    str 需要判斷的字符串
'返回:true=數(shù)字,false=非數(shù)字
'************************************************************
IsNum(Str) '
if Str<>"" and isnumeric(Str) then
  IsNum=True
else
  IsNum=False
end if
End

'輸出調(diào)試相關(guān)函數(shù)
'************************************************************
'[Sub]mesGoBack str
'功能:彈出信息并返回
'參數(shù):
'    str 需要判斷的字符串
'************************************************************
Sub mesGoBack(str)
Response.write("< language='java'>alert('"&str&"');history.back();</>")
Response.End()
End Sub
'************************************************************
'[Sub]mesGoUrl str,url
'功能:彈出信息并返回
'參數(shù):
'    str 需要判斷的字符串
'    url 跳轉(zhuǎn)地址
'************************************************************
Sub mesGoUrl(str,url)
Response.write("< language='java'>alert('"&str&"');location.href='"&url&"';</>")
Response.End()
End Sub
'************************************************************
'[Sub]Debug Wrong
'功能:調(diào)試輸出
'參數(shù):
'    Wrong 希望輸出信息
'返回:無返回值
'************************************************************
Sub Debug(Wrong) '調(diào)試輸出
Response.Write(Wrong)
Response.End()
End Sub

'功能相關(guān)函數(shù)
'************************************************************
'[]getIP
'功能:獲取用戶IP
'參數(shù):
' 無
'返回:用戶當(dāng)前IP
'************************************************************
getIP()
Dim userip
userip = Request.ServerVariables("HTTP_X_FORWARDED_FOR")
If userip = "" Then userip = Request.ServerVariables("REMOTE_ADDR")
getIP=userip
End
'************************************************************
'[]getUrl
'功能:獲取當(dāng)前域名
'參數(shù):
' 無
'返回:當(dāng)前域名
'************************************************************
getUrl()
getUrl=Request.ServerVariables("Server_name")
End