<% '去掉字符串頭尾的連續的回車和空格 '去掉字符串開頭的連續的回車和空格 '去掉字符串末尾的連續的回車和空格 '判斷Email是否有效,返回1表示正確 '測試用:顯示服務器信息 '測試用:顯示Rs結果集以及字段名稱 '用HTML格式顯示文本 fString = Replace(fString, CHR(32), " ") '測試用:顯示調試錯誤信息 '顯示文字計數器 [page_break] Array() <% "m" = "month"; If currentDate is in time format then, [page_break]FormatCurrency() FUNCTION: 返回表達式,此表達式已被格式化為貨幣值 SYNTAX: FormatCurrency(Expression [, Digit ][, LeadingDigit ][, Paren ][, GroupDigit]]]]) ARGUMENTS: Digit 指示小數點右側顯示位數的數值。默認值為 -1,指示使用的是 計算機的區域設置; LeadingDigit 三態常數,指示是否顯示小數值小數點前面的 零。 EXAMPLE: <%=FormatCurrency(34.3456)%> RESULT: $34.35 FormatDateTime() FUNCTION: 返回表達式,此表達式已被格式化為日期或時間 SYNTAX: FormatDateTime(Date, [, NamedFormat]) ARGUMENTS: NamedFormat 指示所使用的日期/時間格式的數值,如果省略,則使用 vbGeneralDate. EXAMPLE: <%=FormatDateTime("08/4/99", vbLongDate)%> RESULT: Wednesday, August 04, 1999 FormatNumber() FUNCTION: 返回表達式,此表達式已被格式化為數值. SYNTAX: FormatNumber(Expression [, Digit ][, LeadingDigit ][, Paren ][, GroupDigit]]]]) ARGUMENTS: Digit 指示小數點右側顯示位數的數值。默認值為 -1,指示使用的是 計算機的區域設置。; LeadingDigit i指示小數點右側顯示位數的數值。默認值為 - 1,指示使用的是計算機的區域設置。; Paren 指示小數點右側顯示位數的數值。默認 值為 -1,指示使用的是計算機的區域設置。; GroupDigit i指示小數點右側顯示位數 的數值。默認值為 -1,指示使用的是計算機的區域設置。. EXAMPLE: <%=FormatNumber(45.324567, 3)%> RESULT: 45.325 FormatPercent() FUNCTION: 返回表達式,此表達式已被格式化為尾隨有 % 符號的百分比(乘以 100 )。 (%) SYNTAX: FormatPercent(Expression [, Digit ][, LeadingDigit ][, Paren ][, GroupDigit]]]]) ARGUMENTS: 同上. EXAMPLE: <%=FormatPercent(0.45267, 3)%> RESULT: 45.267% Hour() FUNCTION: 以24時返回小時數. SYNTAX: Hour(time) ARGUMENTS: EXAMPLE: <%=Hour(#4:45:34 PM#)%> RESULT: 16 (Hour has been converted to 24-hour system) [page_break]Instr() FUNCTION: 返回字符或字符串在另一個字符串中第一次出現的位置. SYNTAX: Instr([start, ] strToBeSearched, strSearchFor [, compare]) ARGUMENTS: Start為搜索的起始值,strToBeSearched接受搜索的字符串 strSearchFor要搜索的字符.compare比較方式(詳細見ASP常數) EXAMPLE: <% strText = "This is a test!!" pos = Instr(strText, "a") response.write pos %> RESULT: 9 InstrRev() FUNCTION: 同上,只是從字符串的最后一個搜索起 SYNTAX: InstrRev([start, ] strToBeSearched, strSearchFor [, compare]) ARGUMENTS: 同上. EXAMPLE: <% strText = "This is a test!!" pos = InstrRev(strText, "s") response.write pos %> RESULT: 13 [page_break]IsDate() FUNCTION: 判斷一對象是否為日期,返回布爾值 SYNTAX: IsDate(expression) ARGUMENTS: expression is any valid expression. EXAMPLE: <% strTest = "8/4/99" response.write IsDate(strTest) %> RESULT: True IsEmpty() FUNCTION: 判斷一對象是否初始化,返回布爾值. SYNTAX: IsEmpty(expression) ARGUMENTS: EXAMPLE: <% Dim i response.write IsEmpty(i) %> RESULT: True IsNull() FUNCTION: 判斷一對象是否為空,返回布爾值. SYNTAX: IsNull(expression) ARGUMENTS: EXAMPLE: <% Dim i response.write IsNull(i) %> RESULT: False IsNumeric() FUNCTION: 判斷一對象是否為數字,返回布爾值. SYNTAX: IsNumeric(expression) ARGUMENTS: EXAMPLE: <% i = "345" response.write IsNumeric(i) %> RESULT: True 就算數字加了引號,ASP還是認為它是數字。 [page_break]IsObject() FUNCTION: 判斷一對象是否為對象,返回布爾值. SYNTAX: IsObject(expression) ARGUMENTS: EXAMPLE: <% Set con = Server.CreateObject("ADODB.Connection") response.write IsObject(con) %> RESULT: True LBound() FUNCTION: 返回指定數組維的最小可用下標. SYNTAX: Lbound(arrayname [, dimension]) ARGUMENTS: ; dimension 指明要返回哪一維下界的整數。使用 1 表示第一維,2 表示第二維,以此類推。如果省略 dimension 參數,默認值為 1. EXAMPLE: <% i = Array("Monday","Tuesday","Wednesday") response.write LBound(i) %> RESULT: 0 LCase() FUNCTION: 返回字符串的小寫形式 SYNTAX: Lcase(string) ARGUMENTS: string is any valid string expression. EXAMPLE: <% strTest = "This is a test!" response.write LCase(strTest) %> RESULT: this is a test! Left() FUNCTION: 返回字符串左邊第length個字符以前的字符(含第length個字符). SYNTAX: Left(string, length) ARGUMENTS: EXAMPLE: <% strTest = "This is a test!" response.write Left(strTest, 3) %> RESULT: Thi [page_break]Len() FUNCTION: 返回字符串的長度. SYNTAX: Len(string | varName) ARGUMENTS: EXAMPLE: <% strTest = "This is a test!" response.write Len(strTest) %> RESULT: 15 LTrim() FUNCTION: 去掉字符串左邊的空格. SYNTAX: LTrim(string) ARGUMENTS: EXAMPLE: <% strTest = " This is a test!" response.write LTrim(strTest) %> RESULT: This is a test! Mid() FUNCTION: 返回特定長度的字符串(從start開始,長度為length). SYNTAX: Mid(string, start [, length]) ARGUMENTS: EXAMPLE: <% strTest = "This is a test! Today is Monday." response.write Mid(strTest, 17, 5) %> RESULT: Today Minute() FUNCTION: 返回時間的分釧. SYNTAX: Minute(time) ARGUMENTS: EXAMPLE: <%=Minute(#12:45:32 PM#)%> RESULT: 45 [page_break]Month() FUNCTION: 返回日期. SYNTAX: Month(date) ARGUMENTS: date is any valid date expression. EXAMPLE: <%=Month(#08/04/99#)%> RESULT: 8 MonthName() FUNCTION: Returns a string identifying the specified month. SYNTAX: MonthName(month, [, Abb]) ARGUMENTS: month is the numeric representation for a given month; Abb (optional) is a boolean value used to display month abbreviation. True will display the abbreviated month name and False (default) will not show the abbreviation. EXAMPLE: <%=MonthName(Month(#08/04/99#))%> RESULT: August Now() FUNCTION: Returns the current system date and time. SYNTAX: Now() ARGUMENTS: None EXAMPLE: <%=Now%> RESULT: 8/4/99 9:30:16 AM Replace() FUNCTION: Returns a string in which a specified sub-string has been replaced with another substring a specified number of times. SYNTAX: Replace(strToBeSearched, strSearchFor, strReplaceWith [, start ][, count ][, compare]]]) ARGUMENTS: strToBeSearched is a string expression containing a sub- string to be replaced; strSearchFor is the string expression to search for within strToBeSearched; strReplaceWith is the string expression to replace sub-string strSearchFor; start (optional) is the numeric character position to begin search; count (optional) is a value indicating the comparision constant. EXAMPLE: <% strTest = "This is an apple!" response.write Replace(strTest, "apple", "orange") %> RESULT: This is an orange! [page_break]Right() FUNCTION: 返回字符串右邊第length個字符以前的字符(含第length個字符). SYNTAX: Right(string, length) ARGUMENTS: . EXAMPLE: <% strTest = "This is an test!" response.write Right(strTest, 3) %> RESULT: st! Rnd() FUNCTION: 產生一個隨機數. SYNTAX: Rnd [ (number) ] ARGUMENTS: EXAMPLE: <% Randomize() response.write RND() %> RESULT: 任何一個在0 到 1 之間的數 Round() FUNCTION: 返回按指定位數進行四舍五入的數值. SYNTAX: Round(expression [, numRight]) ARGUMENTS: numRight數字表明小數點右邊有多少位進行四舍五入。如果省略,則 Round 函數返回整數. EXAMPLE: <% i = 32.45678 response.write Round(i) %> RESULT: 32 Rtrim() FUNCTION: 去掉字符串右邊的字符串. SYNTAX: Rtrim(string) ARGUMENTS: EXAMPLE: <% strTest = "This is a test!! " response.write RTrim(strTest) %> RESULT: This is a test!! Second() FUNCTION: 返回秒. SYNTAX: Second(time) ARGUMENTS: . EXAMPLE: <%=Second(#12:34:28 PM#)%> RESULT: 28 StrReverse() FUNCTION: 反排一字符串 SYNTAX: StrReverse(string) ARGUMENTS: EXAMPLE: <% strTest = "This is a test!!" response.write StrReverse(strTest) %> RESULT: !!tset a si sihT [page_break]Time() FUNCTION: 返回系統時間. SYNTAX: Time() ARGUMENTS: . EXAMPLE: <%=Time%> RESULT: 9:58:28 AM Trim() FUNCTION: 去掉字符串左右的空格. SYNTAX: Trim(string) ARGUMENTS: string is any valid string expression. EXAMPLE: <% strTest = " This is a test!! " response.write Trim(strTest) %> RESULT: This is a test!! UBound() FUNCTION: 返回指定數組維數的最大可用下標. SYNTAX: Ubound(arrayname [, dimension]) ARGUMENTS: ; dimension (optional) 指定返回哪一維上界的整數。1 表示第一 維,2 表示第二維,以此類推。如果省略 dimension 參數,則默認值為 1. EXAMPLE: <% i = Array("Monday","Tuesday","Wednesday") response.write UBound(i) %> RESULT: 2 UCase() FUNCTION: 返回字符串的大寫形式. SYNTAX: UCase(string) ARGUMENTS: EXAMPLE: <% strTest = "This is a test!!" response.write UCase(strTest) %> RESULT: THIS IS A TEST!! VarType() FUNCTION: 返回指示變量子類型的值 SYNTAX: VarType(varName) ARGUMENTS: EXAMPLE: <% i = 3 response.write varType(i) %> RESULT: 2(數字)詳見"asp常數" WeekDay() FUNCTION: 返回在一周的第幾天. SYNTAX: WeekDay(date [, firstdayofweek]) ARGUMENTS: . EXAMPLE: <% d = #8/4/99# response.write Weekday(d) %> RESULT: 4(星期三) WeekDayName() FUNCTION: 返回一周第幾天的名字. SYNTAX: WeekDayName(weekday [, Abb ][, firstdayofweek]]) ARGUMENTS: Abb可選。Boolean 值,指明是否縮寫表示星期各天的名稱。如果省 略, 默認值為 False,即不縮寫星期各天的名稱.firstdayofweek指明星期第一天的 數值 EXAMPLE: <% d = #8/4/99# response.write WeekdayName(Weekday(d)) %> RESULT: Wednesday Year() FUNCTION: 返回當前的年份. SYNTAX: Year(date) ARGUMENTS: EXAMPLE: <%=Year(#8/4/99#)%> RESULT: 1999 |
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