设置文件上传个数的效果

&lt;style type="text/css"&gt;td {
	font-size:9pt
}
a {
	color:#000000;
	text-decoration:none
}
a:hover {
	text-decoration:underline
}
.tx {
	height:16px;
	width:30px;
	border-color:black black #000000;
	border-top-width:0px;
	border-right-width:0px;
	border-bottom-width:1px;
	border-left-width:0px;
	font-size:9pt;
	background-color:#eeeeee;
	color:#0000FF
}
.bt {
	font-size:9pt;
	border-top-width:0px;
	border-right-width:0px;
	border-bottom-width:0px;
	border-left-width:0px;
	height:16px;
	width:80px;
	background-color:#eeeeee;
	cursor:hand
}
.tx1 {
	height:20px;
	width:30px;
	font-size:9pt;
	border:1px solid;
	border-color:black black #000000;
	color: #0000FF
}
&lt;/style&gt;
&lt;form name="form1" method="post" action="upfile.asp" enctype="multipart/form-data"&gt;
	&lt;input type="hidden" name="act" value="upload"&gt;
	&lt;table width="71%" border="1" cellspacing="0" cellpadding="5" align="center" bordercolordark="#CCCCCC" bordercolorlight="#000000"&gt;
	&lt;tr align="left" valign="middle" bgcolor="#eeeeee"&gt;
		&lt;td bgcolor="#eeeeee" height="92"&gt;
			&lt;script language="javascript"&gt;
			 function setid()
			 {
				str = '';
				if (!window.form1.upcount.value) window.form1.upcount.value = 1;
				for (i = 1; i &lt;= window.form1.upcount.value; i++) 
				str += '文件' + i + ': &lt;input type = "file" name = "file' + i + '" style = "width: 400" class = "tx1" &gt; ';
				window.upid.innerHTML = str + '';
			 }
			&lt;/script&gt;
			&lt;li&gt; 需要上传的个数 &lt;input type="text" name="upcount" class="tx" value="1"&gt;&lt;input type="button" name="Button" class="bt" onclick="setid();" value="· 设定 ·"&gt;&lt;/li&gt;
			&lt;li&gt;上传到: &lt;input type="text" name="filepath" class="tx" style="width:350" value=""&gt;&lt;/li&gt;
		&lt;/td&gt;
	&lt;/tr&gt;
	&lt;tr align="center" valign="middle"&gt;
		&lt;td align="left" id="upid" height="122"&gt;
			 文件1: &lt;input type="file" name="file1" style="width:400" class="tx1" value=""&gt;
		&lt;/td&gt;
	&lt;/tr&gt;
	&lt;tr align="center" valign="middle" bgcolor="#eeeeee"&gt;
		&lt;td bgcolor="#eeeeee" height="24"&gt;
			&lt;input type="submit" name="Submit" value="·' 提交 ·" class="bt"&gt;&lt;input type="reset" name="Submit2" value="·' 重执 ·" class="bt"&gt;
		&lt;/td&gt;
	&lt;/tr&gt;
	&lt;/table&gt;
&lt;/form&gt;

font-size:9pt

}

a {

color:#000000;

text-decoration:none

}

a:hover {

text-decoration:underline

}

.tx {

height:16px;

width:30px;

border-color:black black #000000;

border-top-width:0px;

border-right-width:0px;

border-bottom-width:1px;

border-left-width:0px;

font-size:9pt;

background-color:#eeeeee;

color:#0000FF

}

.bt {

font-size:9pt;

border-top-width:0px;

border-right-width:0px;

border-bottom-width:0px;

border-left-width:0px;

height:16px;

width:80px;

background-color:#eeeeee;

cursor:hand

}

.tx1 {

height:20px;

width:30px;

font-size:9pt;

border:1px solid;

border-color:black black #000000;

color: #0000FF

}

</style>

function setid()

{

str = '';

if (!window.form1.upcount.value) window.form1.upcount.value = 1;

for (i = 1; i <= window.form1.upcount.value; i++)

str += '文件' + i + ': <input type = "file" name = "file' + i + '" style = "width: 400" class = "tx1" > ';

window.upid.innerHTML = str + '';

}

</script>

<li> 需要上传的个数 <input type="text" name="upcount" class="tx" value="1"><input type="button" name="Button" class="bt" onclick="setid();" value="· 设定 ·"></li>

</td>

</tr>

文件1: <input type="file" name="file1" style="width:400" class="tx1" value="">

</td>

</tr>

</td>

</tr>

</table>

</form>

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