所属类别：Asp

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Array() FUNCTION:７祷匾桓鍪组 SYNTAX:Array(list) ARGUMENTS:Ｗ址，数字均可 EXAMPLE:<%Dim myArray()For i = 1 to 7 Redim Preserve myArray(i) myArray(i) = WeekdayName(i)Next%> RESULT:＝立了一个包含7个元素的数组myArraymyArray("Sunday","Monday", ... ... "Saturday")CInt() FUNCTION:＝一个表达式转化为数字类型 SYNTAX:CInt(expression) ARGUMENTS:Ｈ魏斡行У淖址均可 EXAMPLE:<%f = "234"response.write cINT(f) + 2%> RESULT:236转化字符"234"为数字"234"，如果字符串为空，则返回0值，CreateObject() FUNCTION:＝立和返回一个已注册的ACTIVEX组件的实例。 SYNTAX:CreateObject(objName) ARGUMENTS:objName 是任何一个有效、已注册的ACTIVEX组件的名字. EXAMPLE:<%Set con = Server.CreateObject("ADODB.Connection")%> RESULT:CStr() FUNCTION:Ｗ化一个表达式为字符串. SYNTAX:CStr(expression) ARGUMENTS:expression 是任何有效的表达式。 EXAMPLE:<%s = 3 + 2response.write "The result is: " & cStr(s)%> RESULT:Ｗ化数字“5”为字符“5”。Date() FUNCTION:７祷氐鼻跋低橙掌. SYNTAX:Date() ARGUMENTS:None. EXAMPLE:<%=Date%> RESULT:8/4/99DateAdd() FUNCTION:７祷匾桓霰桓谋淞说娜掌凇， SYNTAX:DateAdd(timeinterval,number,date) ARGUMENTS:timeinterval is the time interval to add; number is amount of time intervals to add; and date is the starting date. EXAMPLE:<%currentDate = #8/4/99#newDate = DateAdd("m",3,currentDate)response.write newDate%><%currentDate = #12:34:45 PM#newDate = DateAdd("h",3,currentDate)response.write newDate%> RESULT:11/4/993:34:45 PM"m" = "month";"d" = "day";If currentDate is in time format then,"h" = "hour";"s" = "second";DateDiff() FUNCTION:７祷亓礁鋈掌谥间的差值 。 SYNTAX:DateDiff(timeinterval,date1,date2 [, firstdayofweek [, firstweekofyear]]) ARGUMENTS:timeinterval 表示相隔时间的类型，如“M“表示“月”。 EXAMPLE:<%fromDate = #8/4/99#toDate = #1/1/2000#response.write "There are " & _ DateDiff("d",fromDate,toDate) & _ " days to millenium from 8/4/99."%> RESULT:４8/4/99 到2000年还有 150 天.Day() FUNCTION:７祷匾桓鲈碌牡诩溉宅. SYNTAX:Day(date) ARGUMENTS:date 是任何有效的日期。 EXAMPLE:<%=Day(#8/4/99#)%> RESULT:4FormatCurrency() FUNCTION:７祷乇泶锸剑此表达式已被格式化为货币值， SYNTAX:FormatCurrency(Expression [, Digit [, LeadingDigit [, Paren [, GroupDigit]]]]) ARGUMENTS: Digit 指示小数点右侧显示位数的数值。默认值为 -1，指示使用的是计算机的区域设置; LeadingDigit 三态常数，指示是否显示小数值小数点前面的零。 EXAMPLE:<%=FormatCurrency(34.3456)%> RESULT:$34.35FormatDateTime() FUNCTION:７祷乇泶锸剑此表达式已被格式化为日期或时间 SYNTAX:FormatDateTime(Date, [, NamedFormat]) ARGUMENTS:NamedFormat 指示所使用的日期/时间格式的数值，如果省略，则使用 vbGeneralDate. EXAMPLE:<%=FormatDateTime("08/4/99", vbLongDate)%> RESULT:Wednesday, August 04, 1999FormatNumber() FUNCTION:７祷乇泶锸剑此表达式已被格式化为数值. SYNTAX:FormatNumber(Expression [, Digit [, LeadingDigit [, Paren [, GroupDigit]]]]) ARGUMENTS: Digit 指示小数点右侧显示位数的数值。默认值为 -1，指示使用的是计算机的区域设置。; LeadingDigit i指示小数点右侧显示位数的数值。默认值为 -1，指示使用的是计算机的区域设置。; Paren 指示小数点右侧显示位数的数值。默认值为 -1，指示使用的是计算机的区域设置。; GroupDigit i指示小数点右侧显示位数的数值。默认值为 -1，指示使用的是计算机的区域设置。. EXAMPLE:<%=FormatNumber(45.324567, 3)%> RESULT:45.325FormatPercent() FUNCTION:７祷乇泶锸剑此表达式已被格式化为尾随有 % 符号的百分比（乘以 100 ）。 (%) SYNTAX:FormatPercent(Expression [, Digit [, LeadingDigit [, Paren [, GroupDigit]]]]) ARGUMENTS:Ｍ上. EXAMPLE:<%=FormatPercent(0.45267, 3)%> RESULT:45.267%Hour() FUNCTION:Ｒ24时返回小时数. SYNTAX:Hour(time) ARGUMENTS: EXAMPLE:<%=Hour(#4:45:34 PM#)%> RESULT:16(Hour has been converted to 24-hour system)Instr() FUNCTION:７祷刈址或字符串在另一个字符串中第一次出现的位置. SYNTAX:Instr([start, ] strToBeSearched, strSearchFor [, compare]) ARGUMENTS:Start为搜索的起始值，strToBeSearched接受搜索的字符串strSearchFor要搜索的字符.compare比较方式（详细见ASP常数） EXAMPLE:<%strText = "This is a test!!"pos = Instr(strText, "a")response.write pos%> RESULT:9InstrRev() FUNCTION:Ｍ上，只是从字符串的最后一个搜索起 SYNTAX:InstrRev([start, ] strToBeSearched, strSearchFor [, compare]) ARGUMENTS:Ｍ上. EXAMPLE:<%strText = "This is a test!!"pos = InstrRev(strText, "s")response.write pos%> RESULT:13Int() FUNCTION:７祷厥值类型,不四舍五入。 SYNTAX:Int(number) ARGUMENTS: EXAMPLE:<%=INT(32.89)%> RESULT:32IsArray() FUNCTION:Ｅ卸弦欢韵笫欠裎数组，返回布尔值. SYNTAX:IsArray(name) ARGUMENTS: EXAMPLE:<%strTest = "Test!"response.write IsArray(strTest)%> RESULT:FalseIsDate() FUNCTION:Ｅ卸弦欢韵笫欠裎日期，返回布尔值 SYNTAX:IsDate(expression) ARGUMENTS:expression is any valid expression. EXAMPLE:<%strTest = "8/4/99"response.write IsDate(strTest)%> RESULT:TrueIsEmpty() FUNCTION:Ｅ卸弦欢韵笫欠癯跏蓟，返回布尔值. SYNTAX:IsEmpty(expression) ARGUMENTS: EXAMPLE:<%Dim iresponse.write IsEmpty(i)%> RESULT:TrueIsNull() FUNCTION:Ｅ卸弦欢韵笫欠裎空，返回布尔值. SYNTAX:IsNull(expression) ARGUMENTS: EXAMPLE:<%Dim iresponse.write IsNull(i)%> RESULT:FalseIsNumeric() FUNCTION:Ｅ卸弦欢韵笫欠裎数字，返回布尔值. SYNTAX:IsNumeric(expression) ARGUMENTS: EXAMPLE:<%i = "345"response.write IsNumeric(i)%> RESULT:True就算数字加了引号，ASP还是认为它是数字。IsObject() FUNCTION:Ｅ卸弦欢韵笫欠裎对象，返回布尔值. SYNTAX:IsObject(expression) ARGUMENTS: EXAMPLE:<%Set con = Server.CreateObject("ADODB.Connection")response.write IsObject(con)%> RESULT:TrueLBound() FUNCTION:７祷刂付ㄊ组维的最小可用下标. SYNTAX:Lbound(arrayname [, dimension]) ARGUMENTS:; dimension 指明要返回哪一维下界的整数。使用 1 表示第一维，2 表示第二维，以此类推。如果省略 dimension 参数，默认值为 1. EXAMPLE:<%i = Array("Monday","Tuesday","Wednesday")response.write LBound(i)%> RESULT:0LCase() FUNCTION:，７祷刈址串的小写形式 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:７祷刈址串左边第length个字符以前的字符（含第length个字符). SYNTAX:Left(string, length) ARGUMENTS: EXAMPLE:<%strTest = "This is a test!"response.write Left(strTest, 3)%> RESULT:ThiLen() FUNCTION:７祷刈址串的长度. SYNTAX:Len(string varName) ARGUMENTS: EXAMPLE:<%strTest = "This is a test!"response.write Len(strTest)%> RESULT:15LTrim() FUNCTION:Ｈサ糇址串左边的空格. SYNTAX:LTrim(string) ARGUMENTS: EXAMPLE:<%strTest = " This is a test!"response.write LTrim(strTest)%> RESULT:This is a test!Mid() FUNCTION:７祷靥囟ǔざ鹊淖址串(从start开始,长度为length). SYNTAX:Mid(string, start [, length]) ARGUMENTS: EXAMPLE:<%strTest = "This is a test! Today is Monday."response.write Mid(strTest, 17, 5)%> RESULT:TodayMinute() FUNCTION:７祷厥奔涞姆诸. SYNTAX:Minute(time) ARGUMENTS: EXAMPLE:<%=Minute(#12:45:32 PM#)%> RESULT:45Month() FUNCTION:７祷厝掌. SYNTAX:Month(date) ARGUMENTS:date is any valid date expression. EXAMPLE:<%=Month(#08/04/99#)%> RESULT:8MonthName() 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:AugustNow() FUNCTION:Returns the current system date and time. SYNTAX:Now() ARGUMENTS:None EXAMPLE:<%=Now%> RESULT:8/4/99 9:30:16 AMReplace() 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!Right() FUNCTION:７祷刈址串右边第length个字符以前的字符（含第length个字符). SYNTAX:Right(string, length) ARGUMENTS:. EXAMPLE:<%strTest = "This is an test!"response.write Right(strTest, 3)%> RESULT:st!Rnd() FUNCTION:２生一个随机数. SYNTAX:Rnd [ (number) ] ARGUMENTS: EXAMPLE:<%Randomize()response.write RND()%> RESULT:Ｈ魏我桓鲈0 到 1 之间的数Round() FUNCTION:７祷匕粗付ㄎ皇进行四舍五入的数值. SYNTAX:Round(expression [, numRight]) ARGUMENTS:numRight数字表明小数点右边有多少位进行四舍五入。如果省略，则 Round 函数返回整数. EXAMPLE:<%i = 32.45678response.write Round(i)%> RESULT:32Rtrim() FUNCTION:Ｈサ糇址串右边的字符串. SYNTAX:Rtrim(string) ARGUMENTS: EXAMPLE:<%strTest = "This is a test!! "response.write RTrim(strTest)%> RESULT:This is a test!!Second() FUNCTION:７祷孛. SYNTAX:Second(time) ARGUMENTS:. EXAMPLE:<%=Second(#12:34:28 PM#)%> RESULT:28StrReverse() FUNCTION:７磁乓蛔址串 SYNTAX:StrReverse(string) ARGUMENTS: EXAMPLE:<%strTest = "This is a test!!"response.write StrReverse(strTest)%> RESULT:!!tset a si sihTTime() FUNCTION:７祷叵低呈奔. SYNTAX:Time() ARGUMENTS:. EXAMPLE:<%=Time%> RESULT:9:58:28 AMTrim() FUNCTION:Ｈサ糇址串左右的空格. 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:７祷刂付ㄊ组维数的最大可用下标. SYNTAX:Ubound(arrayname [, dimension]) ARGUMENTS:; dimension (optional) 指定返回哪一维上界的整数。1 表示第一维，2 表示第二维，以此类推。如果省略 dimension 参数，则默认值为 1. EXAMPLE:<%i = Array("Monday","Tuesday","Wednesday")response.write UBound(i)%> RESULT:2UCase() FUNCTION:７祷刈址串的大写形式. SYNTAX:UCase(string) ARGUMENTS: EXAMPLE:<%strTest = "This is a test!!"response.write UCase(strTest)%> RESULT:THIS IS A TEST!!VarType() FUNCTION:７祷刂甘颈淞孔永嘈偷闹惮 SYNTAX:VarType(varName) ARGUMENTS: EXAMPLE:<%i = 3response.write varType(i)%> RESULT:2(数字)详见"asp常数"WeekDay() FUNCTION:７祷卦谝恢艿牡诩柑. SYNTAX:WeekDay(date [, firstdayofweek]) ARGUMENTS:. EXAMPLE:<%d = #8/4/99#response.write Weekday(d)%> RESULT:4(星期三)WeekDayName() FUNCTION:７祷匾恢艿诩柑斓拿字. SYNTAX:WeekDayName(weekday [, Abb [, firstdayofweek]]) ARGUMENTS:Abb可选。Boolean 值，指明是否缩写表示星期各天的名称。如果省略， 默认值为 False，即不缩写星期各天的名称.firstdayofweek指明星期第一天的数值 EXAMPLE:<%d = #8/4/99#response.write WeekdayName(Weekday(d))%> RESULT:WednesdayYear() FUNCTION:７祷氐鼻暗哪攴. SYNTAX:Year(date) ARGUMENTS: EXAMPLE:<%=Year(#8/4/99#)%> RESULT:1999关闭本页

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