当前位置: 首页 > 图文教程 > 网络编程 > ASP > 用XML+FSO+JS实现服务器端文件的选择

ASP
asp分页(自己整理的2个分页程序)
ASP常用的系统配置函数
雨哲防采集策略之列表篇
雨哲浅谈关于防采集而不影响收录内容篇
asp数据库连接函数
ajax XMLHTTP Post Form时的表单乱码综合解决
ASP注入详细命令40条
用ASP实现MSSQL用户密码破解
ASP创建对象的两种方法比较
ASP字符串转换为整形、双精度型、布尔
ASP计算str2在str1中出现的次数
asp采集抓取网上房产信息的代码
ASP注册登陆实例代码
ASP中使用FileSystemObject时提高性能的方法
分享一个好东东,动态Include文件 (Dynamic File Includes)
解决 JScript 中使用日期类型数据时出现类型错误的问题
在ASP里面创建GUID
在JScript中使用缓存技术的实际代码
ASP javascript Application对象的Contents和StaticObjects做Cache的一些经验
海阳2006+功能中的潜水王

ASP 中的 用XML+FSO+JS实现服务器端文件的选择


出处:互联网   整理: 软晨网(RuanChen.com)   发布: 2009-10-12   浏览: 63 ::
收藏到网摘: n/a

<%
'written by Linzhang Chen ,2003-4-20
' 转载请注明出处和保留此版权信息
response.write "<?xml version=""1.0"" encoding=""GB2312""?>"&chr(13)
response.write "<mediafile>"&chr(13)
folders=request("folder")
if folders="/" then
folders=""
end if
dim count
count=0
folders=replace(folders,"..","")
basefolder="../media/"'基准的文件夹路径
newfolder=basefolder&folders
Set fso =server.CreateObject("Scripting.FileSystemObject")
set f=fso.getfolder(server.mappath(newfolder))
set sf=f.subfolders
for each fd in sf'返回指定路径下面的文件夹列表
response.write "<file>"&chr(13)
response.write "<ftype>folder</ftype>"&chr(13)
response.write "<fname>"&fd.name&"</fname>"&chr(13)
response.write "</file>"&chr(13)
count=count+1
next
set sf=nothing
set ff=f.Files
for each fi in ff
fname=fi.name
if instr("asf,wma,wmv",lcase(mid(fname,instrrev(fname,".")+1)))>0 then'设定允许返回的文件类型,防止源码泄露
response.write "<file>"&chr(13)
response.write "<ftype>file</ftype>"&chr(13)
response.write "<fname>"&fname&"</fname>"&chr(13)
response.write "</file>"&chr(13)
count=count+1
end if
next
'如果该目录下没有文件,就发一个空元素
if count=0 then
response.write "<file>"&chr(13)
response.write "<ftype>empty</ftype>"&chr(13)
response.write "<fname>0</fname>"&chr(13)
response.write "</file>"&chr(13)
end if
response.write "</mediafile>"
set ff=nothing
set f=nothing
set fso=nothing
%>
下面就是客户端的JS的功夫了(selectfile.asp)
<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.0 Transitional//EN">
<HTML>
<HEAD>
<TITLE> 选择视频文件 </TITLE>
<style>
td{font-size:9pt}
select{width:210}
.s2{width:250}
</style>
<SCRIPT LANGUAGE="JavaScript">
<!--
/*written by Linzhang Chen ,2003-4-20
转载请注明出处和保留此版权信息 */
//预装载图片
var imgback = new Image();
imgback.src = "/upload/tech/20091012/20091012011623_6cfe0e6127fa25df2a0ef2ae1067d915.gif";
var imgbackgray = new Image();
imgbackgray.src = "/upload/tech/20091012/20091012011623_8b5040a8a5baf3e0e67386c2e3a9b903.gif";
var imgfolder = new Image();
imgfolder.src = "/upload/tech/20091012/20091012011624_e836d813fd184325132fca8edcdfb40e.gif";
var imggrayfolder = new Image();
imggrayfolder.src = "/upload/tech/20091012/20091012011627_c6e19e830859f2cb9f7c8f8cacb8d2a6.gif";
//历史记录数组栈
var arrhistory=new Array();
var hisi=0;
//用来确定要返回文件名
function check()
{
if (document.all.filename.value=="")
{
alert("请先选择文件");
return false;
}
else
{
window.returnValue =document.f1.folder.value+document.all.filename.value;
window.close();
}
}
//取得XML文件的内容
function getuserlist(url)
{ var oXMLDoc = new ActiveXObject('MSXML');
oXMLDoc.url = url;
var ooRoot=oXMLDoc.root;
return ooRoot;
}
//当选中一个文件时,把这个值返回给文本框
function addfile(txt)
{
document.all.filename.value=txt;
}

var first=1;//定义一个全局变量

function userlist(folders,ti)//列出所选框
{document.f1.folder.value=folders;
filebox.document.body.innerHTML="正在加载文件,请稍侯...";
var strshow="";
var timeoutid=null;
var newfolder="";
var arrfolder=new Array();
var arrff=new Array();
var blankstr="";
var oItem;
//确定历史状态
hisi+=ti;
arrhistory[hisi]=folders;
if (hisi==0)
{
arrow.innerHTML="<img src=\"/upload/tech/20091012/20091012011623_8b5040a8a5baf3e0e67386c2e3a9b903.gif\">";
}
else
{
arrow.innerHTML="<img src=\"/upload/tech/20091012/20091012011623_6cfe0e6127fa25df2a0ef2ae1067d915.gif\" border=0 style=\"cursor:hand\" onclick=\"userlist('"+arrhistory[hisi-1]+"',-1)\" onmouseover=\"this.src='/upload/tech/20091012/20091012011627_1c1d4df596d01da60385f0bb17a4a9e0.gif'\" onmouseout=\"this.src='/upload/tech/20091012/20091012011623_6cfe0e6127fa25df2a0ef2ae1067d915.gif'\">";
}
//确定当前的文件夹
if (document.f1.folder.value=="")
{
folderid.innerHTML="<img src=\"/upload/tech/20091012/20091012011627_c6e19e830859f2cb9f7c8f8cacb8d2a6.gif\">"
}
else
{newsfolder=checkfolder(document.f1.folder.value)
folderid.innerHTML="<img src=\"/upload/tech/20091012/20091012011624_e836d813fd184325132fca8edcdfb40e.gif\" border=0 style=\"cursor:hand\" onclick=\"userlist('"+newsfolder+"',1)\" onmouseover=\"this.src='/upload/tech/20091012/20091012011628_168908dd3227b8358eababa07fcaf091.gif'\" onmouseout=\"this.src='/upload/tech/20091012/20091012011624_e836d813fd184325132fca8edcdfb40e.gif'\">"
}
//给下拉框赋值
document.all.select.options.length=0;
newfolder=folders;
folderstr=""
var _obj=document.all.select;
var _o=document.createElement("Option");
_o.text="选择文件夹";
_o.value="";
_obj.add(_o);
if (newfolder!="")
{arrfolder=newfolder.split("/")
for(var i=0;i<arrfolder.length-1;i++)
{blankstr+=" ";
folderstr+=arrfolder[i]+"/";
_o=document.createElement("Option");
_o.text=blankstr+arrfolder[i];
_o.value=folderstr;
_obj.add(_o);
}
}
document.all.select.options[document.all.select.options.length-1].selected=true;
url="getfolder.asp.gl?folder="+folders;
oRoot=getuserlist(url)
strshow="<table class=file cellspacing=0 cellpadding=0>";
len=oRoot.children.length;
if (len==1)
{oItem = oRoot.children.item(0);
if(oItem.children.item(0).text=="empty")
strshow="没有文件和文件夹了";
else
{
if(oItem.children.item(0).text=="folder")
{
strshow+="<tr><td><A href=\"javascript:parent.userlist('"+folders+oItem.children.item(1).text+"/"+"',1)\"><img src=\"images/mediafolder.gif\" border=0 >"+oItem.children.item(1).text+"</A></td></tr>";
}
else
{
strshow+="<tr><td><a href=\"javascript:parent.addfile('"+oItem.children.item(1).text+"')\" ><img src=\"images/mediafile.gif\" border=0>"+oItem.children.item(1).text+"</A></td></tr>";
}
}
strshow+="</table>"
}
else{
//数据入栈
for(i=0;i<len;i++)
{ oItem = oRoot.children.item(i);
if(oItem.children.item(0).text=="folder")
{
arrff[i]="<A href=\"javascript:parent.userlist('"+folders+oItem.children.item(1).text+"/"+"',1)\"><img src=\"images/mediafolder.gif\" border=0>"+oItem.children.item(1).text+"</A>";
}
else
{
arrff[i]="<A href=\"javascript:parent.addfile('"+oItem.children.item(1).text+"')\"><img src=\"images/mediafile.gif\" border=0 height=12>"+oItem.children.item(1).text+"</A>";
}
}
//取得要输出的列数
if (len<=6)
{x=1;
y=6;}
else
{x=len/6;
y=6;}
for(var i=0;i<y;i++)
{strshow+="<tr>"
for(var j=0;j<x;j++)
{ponits=j*y+i;
if (ponits>=len)
{
strshow+="<td> </td>";
}
else
{
strshow+="<td>"+arrff[ponits]+"</td>";
}
}
strshow+="</tr>"
}

strshow+="</table>"
}
filebox.document.body.innerHTML=strshow;
}
//-->
</SCRIPT>
<script LANGUAGE="vbscript">
function checkfolder(folderstr)
if (folderstr="" or instr(folderstr,"/")=instrrev(folderstr,"/")) then
checkfolder=""
else
nfolder=left(folderstr,len(folderstr)-1)
checkfolder=left(nfolder,instrrev(nfolder,"/"))
end if
end function
</script>
</HEAD>

<BODY style="margin:0" bgColor=menu onload="javascript:userlist('',0)">
<table width="443" border="0" cellspacing="0">
<tr>
<td height="36"><table width="409" border="0">
<tr>
<td width="73" align="right">查找范围(<u>I</u>):</td>
<td width="214"><select name="select" id="select" size="1" onchange="javascript:userlist(this.value,1);">
</select></td>
<td width="22" valign="baseline" id="arrow" align=right></td>
<td width="20" valign="middle" id="folderid"></td>
<td width="20" align="left"><img src="/upload/tech/20091012/20091012011629_afd4836712c5e77550897e25711e1d96.gif" width="16" height="15"></td>
<td width="28" align="left"><img src="/upload/tech/20091012/20091012011629_eda80a3d5b344bc40f3bc04f65b7a357.gif" width="23" height="14"></td>
</tr>
</table></td>
</tr>
<tr>
<td height="120"><table width="100%" height="100%" border="0">
<tr>
<td width="9"> </td>
<td >
<iframe src="blank.htm" width=415 height=120 id="filebox"></iframe></td>
<td width="13"> </td>
</tr>
</table></td>
</tr>
<tr>
<td height="60"><table width="100%" border="0">
<FORM METHOD=POST ACTION="" name="f1">
<input type="hidden" name="folder" value="">
<tr>
<td width="85" align="right">文件名(<u>N</u>): </td>
<td width="254"><input type="text" id="filename" size="34"></td>
<td><button onclick="javascript:return check()"> 打开(<u>O</U>)</button></td>
</tr>
</FORM>
<tr>
<td align="right">文件类型(<u>T</u>):</td>
<td><select name="select2" class=s2>
<option>流媒体文件(*.asf,*.wmv,*.wma)</option>
</select></td>
<td><input type="button" name="Submit" value=" 取消 " onclick="window.close();"></td>
</tr>
</table></td>
</tr>
</table>
</BODY>
</HTML>

里面还有一个小文件blank.htm用来定义文件和文件夹显示的样式
<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.0 Transitional//EN">
<HTML>
<HEAD>
<TITLE> New Document </TITLE>
<style>
td{font-size:9pt}
body{font-size:9pt}
.file A{COLOR: #000000; TEXT-DECORATION: none;font-size:9pt}
.file A:visited{COLOR: #000000; TEXT-DECORATION: none;font-size:9pt}
.file A:hover {COLOR: #000000; TEXT-DECORATION: none;font-size:9pt}
</style>
</HEAD>

<BODY style="margin: 0pt">

</BODY>
</HTML>
调用的时候用以下函数,就可以实现以假乱真的服务器端选择文件的效果
function selectfile()
{
var arr = showModalDialog("selectfile.asp?temp="+Math.random(), "", "dialogWidth:453px; dialogHeight:252px; status:0;help:1");
if (arr != null)
{
return arr
}
}
该函数最后返回的是选中的文件名,函数里面所使用的几张图片大家就自已从文件选择框上抓了:)