Random(随机函数)的使用
<%@ page contentType="text/html; charset=gb2312" language="java" errorPage="" %>
<%@ page import="java.util.ArrayList"%>
<%@ page import="java.util.Random"%>
<form method="post" name="frms" action="check.jsp">
<table width="180" height="140" border="0" align="center" cellpadding="0" cellspacing="0">
<%
ArrayList a = new ArrayList();
ArrayList b = new ArrayList();
StringBuffer ss = new StringBuffer();
StringBuffer us = new StringBuffer();
Random r = new Random();
String gs="";
String logo0[];
int cn=15;
String logos = "logo";
for(int i = 0;i<15;i++){
logo0=new String[5];
logo0[0]=logos+"0["+i+"]";
logo0[1]=logos+"1["+i+"]";
logo0[2]=logos+"2["+i+"]";
logo0[3]=logos+"3["+i+"]";
logo0[04]=logos+"4["+i+"]";
a.add(logo0);
}
int jc=0;
while(a.size()>0){
jc = r.nextInt(a.size());
b.add(a.get(jc));
a.remove(jc);
}
int is=0;
for(int j=0;j<5;j++){
%>
<tr>
<td height="12"> </td>
</tr>
<tr>
<%
for(int i=0;i<3;i++){
is++;
logo0=(String[])b.get(j*3+i);
%>
<td align="center"><table width="160" height="110" border="0" cellpadding="0" cellspacing="0">
<tr>
<td><table width="142" height="100" border="1" align="center" cellpadding="0" cellspacing="0">
<tr>
<td align="center" valign="middle" ><img style="cursor:hand" onClick="subl(<%=is%>,<%=logo0[0]%>)" src="<%=logo0[2]%>" title="点我进行游戏" width="120" height="60" border="0"><br>
<br>
<a href="<%=logo0[4]%>" target="_blank" class="font21"><%=logo0[1]%></a></td>
</tr>
<tr>
<td align="center" valign="middle" ><input name="funs" type="checkbox" id="funs" value="<%=logo0[2]%>"></td>
</tr>
</table></td>
</tr>
</table></td>
<%}%>
</tr>
<%}%>
</table>
<div align="center"><br>
<input type="submit" name="Submit" value="提交">
</div>
</form>
lunzi
2006-11-26 17:02:43
评论:0
阅读:512
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