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 程式師世界 >> 編程語言 >> 網頁編程 >> ASP編程 >> 關於ASP編程 >> ASP的常用的自定義函數大全

ASP的常用的自定義函數大全

編輯:關於ASP編程

     <%

    '================================

    '函數列表:
    '1: 建立數據庫的連接 ConnOpen(DataBaseConnectStr,DBType,Conn_object)
    '2: 斷開數據庫的連接 ConnClose(Conn_object)
    '3: 防止SQL注入 SafeRequest(paraName,paraType)
    '4: 格式化日期 DateFormat(dateStr,dateType)
    '5: 顯示錯誤提示 ShowErr(errStr)
    '6: 查詢字符串中特定數據 SelectStr(contentStr,patternStr,patternNum)
    '7: 過濾指定字符 Leach(contentStr,badWords)
    '8: 遠程文件內容抓取 Seize(urlStr)
    '9: 數據流編碼處理 BytesToBstr(body,cset)
    '10: 編碼cookies codeCookie(contentStr)
    '11: 解碼cookies DecodeCookie(contentStr)
    '12: 檢驗數據提交來源是否合法 ChkPost()
    '13: 個性化加密 MyEncrypt(StrPassword)
    '14: 禁止浏覽器緩存本頁 NoBuffer()
    '15: 網頁格式化輸入文本 HTMLEncode(fString)
    '16: 從頭部截取字符串的指定長度(按字符數算) GotTopic(Str,StrLen)
    '17: 檢測驗證碼 CheckRadomPass(RadomPass)
    '18: 生成驗證碼 GetCode()
    '19: 獲取客戶端操作系統版本 GetSystem()
    '20: 數據庫事務處理 ConnManage(Conn_object)
    '21: 快速排序(遞歸) QuickSort(arr,Low,High)
    '22: 將數組的元素以特定字符串連起來 arr_join(arr,character)
    '23: 返回字符串以某分割符分割的數目 count_character(str,character)
    '24: 截取含有分割符的字符串中指定數目的字符串 inter_str_by_character_num(str,character,start,num)
    '25: 利用Stream下載文件 downloadFile(strFile)
    '26: 返回信息 send_back(ResultWords)
    '27: 獲取錯誤信息 get_err()
    '28: 與SafeRequest相反 SafeResponse(content)
    '29: 保存遠程圖片 SaveRemoteFile(LocalFileName,RemoteFileUrl)
    '30: ...
    dim language_arr(10)
    language_arr(0) = "數據庫連接的參數設置錯誤!"
    language_arr(1) = "數據庫連接的類型參數設置錯誤!"
    language_arr(2) = "數據庫連接失敗!"
    language_arr(3) = "非法的參數值!"
    language_arr(4) = "參數值不是有效的日期格式!"
    language_arr(5) = "操作失敗!"
    language_arr(6) = "欄目有重名!"
    language_arr(7) = "欄目名稱為空!"
    language_arr(8) = "欄目文件夾創建失敗!"
    language_arr(9) = "您沒有此權限!"
    '
    '函數ID:1
    '函數作用:建立數據庫的連接
    '修改時間:
    '傳人參數:
    ' connectStr:數據庫連接字符串
    ' connectType:數據庫類別-數字型,0為Access,1為MS SQL
    '返回值:
    '

    sub ConnOpen(DataBaseConnectStr,DBType,Conn_object)
    Set Conn_object = Server.Createobject("adodb.connection")
    if DataBaseConnectStr = "" then call ShowErr(language_arr(0))
    if DBType = 0 then
    Conn_object.Open "driver={Microsoft Access Driver (*.mdb)};dbq=" & DataBaseConnectStr
    elseif DBType = 1 then
    Conn_object.Open "Provider=SQLOLEDB.1;" & DataBaseConnectStr
    else
    call ShowErr(language_arr(1))
    end if
    err.clear
    end sub
    '

    '函數ID:2
    '函數作用:斷開數據庫的連接
    '修改時間:
    '傳人參數:
    '返回值:
    '

    Sub ConnClose(Conn_object)
    Conn_object.close
    set Conn_object = nothing
    End sub
    '

    '函數ID:3
    '函數作用:防止SQL注入
    '修改時間:
    '傳人參數:
    ' paraName:參數名稱-字符型
    ' paraType:參數類型-數字型(1表示以上參數是數字,0表示以上參數為字符) 
    '返回值:
    ' 過濾後的字符串
    '

    Function SafeRequest(paraName,paraType)
    dim paraValue
    paraValue = Request(paraName)
    select case paraType
    case 0
    paraValue = replace(paraValue,"'","[system:34]")
    paraValue = replace(paraValue,"=","[system:61]")
    case 1
    if not IsNumeric(paraValue) then call ShowErr(language_arr(3))
    case -1
    if not IsNumeric(paraValue) then call ShowErr(language_arr(3))
    if paraValue = "" then paraValue = 0
    case else
    if len(paraValue) > paraType then call ShowErr(language_arr(3))
    paraValue = replace(paraValue,"'","[system:34]")
    paraValue = replace(paraValue,"=","[system:61]")
    end select
    SafeRequest = paraValue
    End function
    '==============================='函數ID:4
    '函數作用:格式化日期
    '修改時間:
    '傳人參數:
    ' dateStr:日期字符串
    ' paraType:日期類型-數字型
    '返回值:
    ' 格式化後的日期
    Function DateFormat(dateStr,dateType)
    Dim dateString
    if IsDate(dateStr) = False then
    call ShowErr(language_arr(4))
    end if
    Select Case dateType
    Case "1"
    dateString = Year(dateStr)&"-"&Month(dateStr)&"-"&Day(dateStr)
    Case "2"
    dateString = Year(dateStr)&"."&Month(dateStr)&"."&Day(dateStr)
    Case "3"
    dateString = Year(dateStr)&"/"&Month(dateStr)&"/"&Day(dateStr)
    Case "4"
    dateString = Month(dateStr)&"/"&Day(dateStr)&"/"&Year(dateStr)
    Case "5"
    dateString = Day(dateStr)&"/"&Month(dateStr)&"/"&Year(dateStr)
    Case "6"
    dateString = Month(dateStr)&"-"&Day(dateStr)&"-"&Year(dateStr)
    Case "7"
    dateString = Month(dateStr)&"."&Day(dateStr)&"."&Year(dateStr)
    Case "8"
    dateString = Month(dateStr)&"-"&Day(dateStr)
    Case "9"
    dateString = Month(dateStr)&"/"&Day(dateStr)
    Case "10"
    dateString = Month(dateStr)&"."&Day(dateStr)
    Case "11"
    dateString = Month(dateStr)&language_arr(6)&Day(dateStr)&language_arr(7)
    Case "12"
    dateString = Day(dateStr)&language_arr(7)&Hour(dateStr)&language_arr(8)
    case "13"
    dateString = Day(dateStr)&language_arr(7)&Hour(dateStr)&language_arr(8)
    Case "14"
    dateString = Hour(dateStr)&language_arr(8)&Minute(dateStr)&language_arr(9)
    Case "15"
    dateString = Hour(dateStr)&":"&Minute(dateStr)
    Case "16"
    dateString = Year(dateStr)&language_arr(5)&Month(dateStr)&language_arr(6)&Day(dateStr)&language_arr(7)
    Case Else
    dateString = dateStr
    End Select
    DateFormat = dateString
    End Function
    '
    '函數ID:5
    '函數作用:顯示錯誤提示
    '修改時間:
    '傳人參數:

    ' errStr:錯誤提示-字符型
    '返回值:返回提交頁面
    '

    sub ShowErr(errStr)
    Response.Write("<script>alert("""&errStr&""");location.href=""javascript:history.back()"";</script>")
    Response.End
    End sub

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