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用JSP实现类似资源管理器式的文件与目录的折叠-JSP教程,Jsp/Servlet

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<%@ page import = "sqldata" %>

<%@ page import="java.sql.*" %>

<%@ page contenttype="text/html;charset=gb2312" %>

<jsp:usebean id="sqlbean" class="sqldata" scope="session"/>

<html>

<body background="../images/back.jpg">

<p align="center"><font size="6" face="楷体_gb2312">毛泽东思想概论</font></p>

<%

string aa,bb,cc,dd,ee,ff;

resultset rs=sqlbean.executequery("select * from maogai");

int i=1,j=0;

while(rs.next())

{

aa=rs.getstring("sectiontype");

bb=rs.getstring("sectionname");

cc=rs.getstring("indexfile");

ee=rs.getstring("zipfile");

ff=rs.getstring("onlinefile");

dd=rs.getstring("sessionid");

if(aa.indexof(&acute;章&acute;)>-1)

{

if(j==1)

{

i=i+1;

out.println("</table></div>");

}

j=0;

out.println(" ");

out.println("<div align=&acute;center&acute;>");

out.println("<center>");

out.println("<table border=&acute;0&acute; width=&acute;90%&acute; height=&acute;0&acute; cellspacing=&acute;0&acute; cellpadding=&acute;0&acute;>");

out.println("<tr>");

out.println("<td height=&acute;0&acute;><img name=&acute;img"+string.valueof(i)+"&acute; border=&acute;0&acute; src=&acute;../images/fclosed.gif&acute; onclick=&acute;showandhide(div"+string.valueof(i)+","+"img"+string.valueof(i)+")&acute;>");

out.print(bb+"</td></tr></table></center></div>");

}

else

{

if(j==0)

{

j=1;

out.println("<div style=&acute;display:none&acute; id=div"+string.valueof(i)+" align=&acute;center&acute;>");

out.println("<center>");

out.println("<table border=&acute;0&acute; width=&acute;90%&acute; height=&acute;0&acute; cellspacing=&acute;0&acute; cellpadding=&acute;0&acute;>");

out.println("<tr><td height=&acute;30&acute;> <img border=&acute;0&acute; src=&acute;../images/file.gif&acute;>");

out.print("<a href=&acute;windowsopen.jsp?indexfile=maogai/"+cc+"&sessionid="+dd+"&zipfile="+ee+"&onlinefile="+ff+"&acute;>"+bb+"</a></td></tr>");

}

else

{

out.println("<tr><td height=&acute;30&acute;> <img border=&acute;0&acute; src=&acute;../images/file.gif&acute;>");

out.print("<a href=&acute;windowsopen.jsp?indexfile=maogai/"+cc+"&sessionid="+dd+"&zipfile="+ee+"&onlinefile="+ff+"&acute;>"+bb+"</a></td></tr>");

}

}

}

%>

</body>

</html>

<script language=javascript>

function showandhide(divname,imgname)

{

if (divname.style.display == "block")

{

divname.style.display = "none";

imgname.src="../images/fclosed.gif";

self.focus();

}

else

{

divname.style.display = "block";

imgname.src="../images/fopen.gif";

self.focus();

}

}

</script> 

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