当前位置: 首页 > 图文教程 > 网络编程 > JSP > 随机生成文件名的函数

JSP
JSP连接各类数据库大全(上)
JSP连接各类数据库大全(下)
JSP在win2000下的安装
JSP及语法概要
JSP中文问题解决方案
JSP连接SQL SERVER问题总结
在windows环境下安装tomcat
在NT上安装Apache+Servlet+jsp
jsp与ejb通信
关于JSP写文件的补充
win2k在apache1.3上配置tomcat3.1
在Linux上安装Tomcat
JSP数据库操作例程 - 数据分页显示 - JDBC 2.0 - Oracle
JSP数据库操作例程 - 存储过程 - JDBC-ODBC - SQL Server - 1.1版本
JSP实现在浏览器关闭cookies情况下的会话管理
jsp源码实例2(获取表单参数)
jsp源码实例1(输出)
JSP文件操作例程 - 读文件
在JSP中写text文件
在Linux上架设支持JSP+PHP的Web服务器

JSP 中的 随机生成文件名的函数


出处:互联网   整理: 软晨网(RuanChen.com)   发布: 2009-09-13   浏览: 105 ::
收藏到网摘: n/a


<html>
<meta http-equiv="Refresh" content="2">
<!--
Place this code into an ASP Page and run it!
-->
<code>
Random FileName Creation

<%
Function Generator(Length)
dim i, tempS, v
dim c(39)
tempS = ""
c(1) = "a": c(2) = "b": c(3) = "c": c(4) = "d": c(5) = "e": c(6) = "f": c(7) = "g"
c(8) = "h": c(9) = "i": c(10) = "j": c(11) = "k": c(12) = "l": c(13) = "m": c(14) = "n"
c(15) = "o": c(16) = "p": c(17) = "q": c(18) = "r": c(19) = "s": c(20) = "t": c(21) = "u"
c(22) = "v": c(23) = "w": c(24) = "x": c(25) = "y": c(26) = "z": c(27) = "1": c(28) = "2"
c(29) = "3": c(30) = "4": c(31) = "5": c(32) = "6": c(33) = "7": c(34) = "8": c(35) = "9"
c(36) = "-": c(37) = "_": c(38) = "@": c(39) = "!"
If isNumeric(Length) = False Then
Response.Write "A numeric datatype was not submitted to this function."
Exit Function
End If
For i = 1 to Length
Randomize
v = Int((39 * Rnd) + 1)
tempS = tempS & c(v)
Next
Generator = tempS
End Function
For i = 1 to 20
Randomize
x = Int((20 * Rnd) + 1) + 10
Response.Write Generator(x) & "<br>" & vbnewline
Next
%>
</code>
(出处:Viphot)