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LCase() FUNCTION: 返回字符串的小写形式 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: 返回字符串左边第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: Thi Len() FUNCTION: 返回字符串的长度. 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: 返回特定长度的字符串(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: Today Minute() FUNCTION: 返回时间的分钏. SYNTAX: Minute(time) ARGUMENTS: EXAMPLE: <%=Minute(#12:45:32 PM#)%> RESULT: 45 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! Right() FUNCTION: 返回字符串右边第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: 产生一个随机数. SYNTAX: Rnd [ (number) > ARGUMENTS: EXAMPLE: <% Randomize() response.write RND() %> RESULT: 任何一个在0 到 1 之间的数 Round() FUNCTION: 返回按指定位数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。假如省略，则 Round 函数返回整数. EXAMPLE: <% i = 32.45678 response.write Round(i) %> RESULT: 32 Rtrim() FUNCTION: 去掉字符串右边的字符串. SYNTAX: Rtrim(string) ARGUMENTS: EXAMPLE: <% strTest = "This is a test!! " response.write RTrim(strTest) %> RESULT: This is a test!! Second() FUNCTION: 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 Time() FUNCTION: 返回系统时间. 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: 返回指定数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。假如省略 dimension 参数，则默认值为 1. EXAMPLE: <% i = Array("Monday","Tuesday","Wednesday") response.write UBound(i) %> RESULT: 2 UCase() FUNCTION: 返回字符串的大写形式. SYNTAX: UCase(string) ARGUMENTS: EXAMPLE: <% strTest = "This is a test!!" response.write UCase(strTest) %> RESULT: THIS IS A TEST!! VarType() FUNCTION: 返回指示变量子类型的值 SYNTAX: VarType(varName) ARGUMENTS: EXAMPLE: <% i = 3 response.write varType(i) %> RESULT: 2(数字)详见"asp常数" WeekDay() FUNCTION: 返回在一周的第几天. SYNTAX: WeekDay(date [, firstdayofweek>) ARGUMENTS: . EXAMPLE: <% d = #8/4/99# response.write Weekday(d) %> RESULT: 4(星期三) WeekDayName() FUNCTION: 返回一周第几天的名字. 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。假如省略， 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: Wednesday Year() FUNCTION: 返回当前的年份. SYNTAX: Year(date) ARGUMENTS: EXAMPLE: <%=Year(#8/4/99#)%> RESULT: 1999 返回类别: 教程 上一教程: 用WSE在WEB服务中验证用户身份 下一教程: ASP内置对象详解之REQUEST对象 您可以阅读与"ASP的函数详解-2"相关的教程: · ASP的函数详解(2) · ASP的函数详解(1) · 收藏:ASP的函数详解大汇总 · ASP的函数详解-1 · ASP的函数详解 |
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