search 2013 adfgs
作者:Sky.Jian | 可以任意转载, 但转载时务必以超链接形式标明文章原始出处 和 作者信息 及 版权声明
链接:http://isky000.com/software/asp%e5%ae%9e%e7%94%a8%e5%87%bd%e6%95%b0 | del.icio.us | Twitter it

< % '判断文件名是否合法 Function isFilename(aFilename)
Dim sErrorStr,iNameLength,i
isFilename=TRUE
sErrorStr=Array(“/”,”\”,”:”,”*”,”?”,””””,”< ",">“,”|”)
iNameLength=Len(aFilename)
If iNameLength<1 Or iNameLength=null Then
isFilename=FALSE
Else
For i=0 To 8
If instr(aFilename,sErrorStr(i)) Then
isFilename=FALSE
End If
Next
End If
End Function

‘去掉字符串头尾的连续的回车和空格
function trimVBcrlf(str)
trimVBcrlf=rtrimVBcrlf(ltrimVBcrlf(str))
end function

‘去掉字符串开头的连续的回车和空格
function ltrimVBcrlf(str)
dim pos,isBlankChar
pos=1
isBlankChar=true
while isBlankChar
if mid(str,pos,1)=" " then
pos=pos+1
elseif mid(str,pos,2)=VBcrlf then
pos=pos+2
else
isBlankChar=false
end if
wend
ltrimVBcrlf=right(str,len(str)-pos+1)
end function

‘去掉字符串末尾的连续的回车和空格
function rtrimVBcrlf(str)
dim pos,isBlankChar
pos=len(str)
isBlankChar=true
while isBlankChar and pos>=2
if mid(str,pos,1)=" " then
pos=pos-1
elseif mid(str,pos-1,2)=VBcrlf then
pos=pos-2
else
isBlankChar=false
end if
wend
rtrimVBcrlf=rtrim(left(str,pos))
end function

‘判断Email是否有效,返回1表示正确
Function isEmail(aEmail)
Dim iLocat,v,iLength,i,checkletter
If instr(aEmail,"@") = 0 Or instr(aEmail,".") = 0 Then
isEmail=0
EXIT FUNCTION
End If
iLocat=instr(aEmail,"@")
If instr(iLocat,aEmail,".")=0 Or instr(iLocat+1,aEmail,"@")>0 Then
isEmail=0
EXIT FUNCTION
End If
If left(aEmail,1)="." Or right(aEmail,1)="." Or left(aEmail,1)="@" Or right(aEmail,1)="@" Then
isEmail=0
EXIT FUNCTION
End If
v="1234567890abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ_-.@"
iLength=len(aEmail)
For i=1 To iLength
checkletter=mid(aEmail,i,1)
If instr(v,checkletter)=0 Then
isEmail=0
EXIT FUNCTION
End If
Next
isEmail=1
End Function

‘测试用:显示服务器信息
Sub showServer
Dim name
Response.write "

"
for each name in request.servervariables
Response.write "
"
Response.write "

"
Response.write "

"
Response.write "

"
next
Response.write "

"&name&" "&request.servervariables(name)&"

"
End Sub

‘测试用:显示Rs结果集以及字段名称
Sub showRs(rs)
Dim strTable,whatever
Response.write "


"
for each whatever in rs.fields
response.write "

"
next
strTable = "

" & whatever.name & "
"&rs.GetString(,," ","
"," ") &"

"
Response.Write(strTable)
End Sub

‘用HTML格式显示文本
Function txt2Html(str)
if isnull(str) then
txt2Html=""
exit Function
end if
str=Replace(str,chr(34),""")
str=Replace(str,"< ","<") str=Replace(str,">",">")
str=Replace(str,chr(13)+chr(10),"
")
str=Replace(str,chr(9)," ")
str=Replace(str," "," ")
txt2Html=str
End Function

‘测试用:显示调试错误信息
Sub showError
Dim sErrMsg
sErrMsg=Err.Source&" "&Err.Description
Response.write "

"&sErrMsg&"
"
Err.clear
End Sub

‘显示文字计数器
Sub showCounter
Dim fs,outfile,filename,count
filename=server.mappath("count.txt")
Set fs = CreateObject("Scripting.FileSystemObject")
If fs.fileExists(filename) Then
Set outfile=fs.openTextFile(filename,1)
count=outfile.readline
count=count+1
Response.write "

浏览人次:"&count&"
"
outfile.close
Set outfile=fs.CreateTextFile(filename)
outfile.writeline(count)
Else
Set outfile=fs.openTextFile(filename,8,TRUE)
count=0
outfile.writeline(count)
END IF
outfile.close
set fs=nothing
End Sub

Array()
 FUNCTION: 返回一个数组
 SYNTAX: Array(list)
 ARGUMENTS: 字符,数字均可
 EXAMPLE:

Dim myArray()
For i = 1 to 7
  Redim Preserve myArray(i)
  myArray(i) = WeekdayName(i)
Next

 RESULT: 建立了一个包含7个元素的数组myArray
myArray(“Sunday”,”Monday”, … … “Saturday”)
 
CInt()
 FUNCTION: 将一个表达式转化为数字类型
 SYNTAX: CInt(expression)
 ARGUMENTS: 任何有效的字符均可
 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: 建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: 转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 + 2
response.write "The result is: " & cStr(s)

 RESULT: 转化数字“5”为字符“5”。
 
Date()
 FUNCTION: 返回当前系统日期.
 SYNTAX: Date()
 ARGUMENTS: None.
 EXAMPLE: =Date  
RESULT: 8/4/99
 
DateAdd()
 FUNCTION: 返回一个被改变了的日期。
 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: 11/4/99
3:34:45 PM

"m" = "month";
"d" = "day";

If currentDate is in time format then,
"h" = "hour";
"s" = "second";

 
DateDiff()
 FUNCTION: 返回两个日期之间的差值 。
 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: 从8/4/99 到2000年还有 150 天.
 
Day()
 FUNCTION: 返回一个月的第几日 .
 SYNTAX: Day(date)
 ARGUMENTS: date 是任何有效的日期。 
 EXAMPLE: < %=Day(#8/4/99#)%>
 RESULT: 4
 
FormatCurrency()
 FUNCTION: 返回表达式,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: $34.35
 
FormatDateTime()
 FUNCTION: 返回表达式,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, 1999
 
FormatNumber()
 FUNCTION: 返回表达式,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: 45.325
 
FormatPercent()
 FUNCTION: 返回表达式,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: 同上.
 EXAMPLE: < %=FormatPercent(0.45267, 3)%>
 RESULT: 45.267%
 
Hour()
 FUNCTION: 以24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: 返回字符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: 9
 
InstrRev()
 FUNCTION: 同上,只是从字符串的最后一个搜索起
 SYNTAX: InstrRev([start, ] strToBeSearched, strSearchFor [, compare])
 ARGUMENTS: 同上.
 EXAMPLE: < % strText = "This is a test!!" pos = InstrRev(strText, "s") response.write pos %>  RESULT: 13

 
Int()
 FUNCTION: 返回数值类型,不四舍五入,注意取值是不大于它的整数。
 SYNTAX: Int(number)
 ARGUMENTS: 
 EXAMPLE: < %=INT(32.89)%>  < %=int(-3.33)%> RESULT: 32  -4
 
IsArray()
 FUNCTION: 判断一对象是否为数组,返回布尔值 .
 SYNTAX: IsArray(name)
 ARGUMENTS: 
 EXAMPLE: < % strTest = "Test!" response.write IsArray(strTest) %>  RESULT: False
 
IsDate()
 FUNCTION: 判断一对象是否为日期,返回布尔值
 SYNTAX: IsDate(expression)
 ARGUMENTS: expression is any valid expression.
 EXAMPLE: < % strTest = "8/4/99" response.write IsDate(strTest) %>  RESULT: True
 
IsEmpty()
 FUNCTION: 判断一对象是否初始化,返回布尔值.
 SYNTAX: IsEmpty(expression)
 ARGUMENTS: 
 EXAMPLE: < % Dim i response.write IsEmpty(i) %>  RESULT: True
 
IsNull()
 FUNCTION: 判断一对象是否为空,返回布尔值.
 SYNTAX: IsNull(expression)
 ARGUMENTS: 
 EXAMPLE: < % Dim i response.write IsNull(i) %>  RESULT: False
 
IsNumeric()
 FUNCTION: 判断一对象是否为数字,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: 判断一对象是否为对象,返回布尔值.
 SYNTAX: IsObject(expression)
 ARGUMENTS: 
 EXAMPLE: < % Set con = Server.CreateObject("ADODB.Connection") response.write IsObject(con) %>  RESULT: True
 
LBound()
 FUNCTION: 返回指定数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: 0
 
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!!
 
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。如果省略 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。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: Wednesday
 
Year()
 FUNCTION: 返回当前的年份.
 SYNTAX: Year(date)
 ARGUMENTS: 
 EXAMPLE: < %=Year(#8/4/99#)%>  RESULT: 1999

看完了要说点啥么?