当前位置: 首页 > 图文教程 > 网络编程 > ASP > ASP中的函数应用方法及应用举例(一)

ASP
分享一段代码show.asp?id=26变成show/?26的形式
多域名一网站时如果返回最原来的域名
[原创]完美解决ASP 不能更新。数据库或对象为只读。
5天学会asp
TSYS中生成静态页时溢出: ''CInt''
对象标记具有无效的 ''MSWC.MyInfo'' ProgID
[原创]随机增加网站点击的一个不错的方法
Microsoft JET Database Engine 错误 ''80004005'' 未指定的错误的完美解决方法
反SPAM新思路—换Z-BLOG的验证码!
七步倒┈→专用asp后门
asp下实现代码的“运行代码”“复制代码”“保存代码”功能源码
使用ASP实现网站的“目录树”管理的代码
ShowPage 显示“上一页 下一页”等信息的封装代码
[原创]站长感慨asp编程究竟何去何从
响应对象 错误 ''ASP 0185 : 80020003'' 缺少默认属性
[原创]asp下用实现模板加载的的几种方法总结
[原创]asp获取URL参数的几种方法分析总结
Access数据库中“所有记录中均未找到搜索关键字”的解决方法
ASP程序中输出Excel文件实例一则
ASP应用中如何限制同一表单被多次提交

ASP中的函数应用方法及应用举例(一)


出处:互联网   整理: 软晨网(RuanChen.com)   发布: 2009-11-03   浏览: 198 ::
收藏到网摘: n/a

  1.Array()
  FUNCTION: Returns a variant containing an array.
  SYNTAX: Array(list)
  ARGUMENTS: list is a comma-delimited list of values to add to the array.
  EXAMPLE: <%
Dim myArray()
For i = 1 to 7
   Redim Preserve myArray(i)
   myArray(i) = WeekdayName(i)
Next
%>
  RESULT: Creates an Array contains 7 elements:
myArray("Sunday","Monday", ... ... "Saturday")
-------------------------------------
  
2. CInt()
  FUNCTION: Returns an expression that has been converted to an Interget subtype.
  SYNTAX: CInt(expression)
  ARGUMENTS: expression is any valid expression
  EXAMPLE: <%
f = "234"
response.write cINT(f) + 2
%>
  RESULT: 236
Converts string "234" to mathematic value 234.
If f is empty (un-initialized variable), cINT() returns 0.
-------------------------------------
  
3. CreateObject()
  FUNCTION: Creates and returns a reference to ActiveX automation object.
  SYNTAX: CreateObject(objName)
  ARGUMENTS: objName is any valid ActiveX automation object.
  EXAMPLE: <%
Set con = Server.CreateObject("ADODB.Connection")
%>
  RESULT:  
-------------------------------------
  
4. CStr()
  FUNCTION: Returns an expression that has been converted to a variant of subtype String.
  SYNTAX: CStr(expression)
  ARGUMENTS: expression is any valid expression
  EXAMPLE: <%
s = 3 + 2
response.write "The result is: " & cStr(s)
%>
  RESULT: Converts a mathematic value 5 to a string "5".
-------------------------------------
  
5. Date()
  FUNCTION: Returns the current system date.
  SYNTAX: Date()
  ARGUMENTS: None.
  EXAMPLE: <%=Date%>
  RESULT: 8/4/99
-------------------------------------
  
6. DateAdd()
  FUNCTION: Returns a date to which a specific time interval has been added.
  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";
-------------------------------------
  
7. DateDiff()
  FUNCTION: Returns the number of intervals between two dates.
  SYNTAX: DateDiff(timeinterval,date1,date2 [, firstdayofweek [, firstweekofyear]])
  ARGUMENTS: timeinterval is the time interval to add; date is a valid date expression; firstdayofweek and
firstweekofyear are optional values to specify the first day of the week and first week of year.
  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: There are 150 days to millenium from 8/4/99.
-------------------------------------
  
8. Day()
  FUNCTION: Returns a whole number representing the day of the month.
  SYNTAX: Day(date