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。如果省略，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!!

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