Home > Web Front-end > JS Tutorial > body text

JavaScript dynamic number of file upload controls

高洛峰
Release: 2016-12-06 14:15:27
Original
1077 people have browsed it

The js dynamic number of file upload control implementation code is as follows:

<!DOCTYPE html>
<html>
<head>
<meta http-equiv="Content-Type" content="text/html; charset=UTF-8">
<title>动态数量的文件上传</title>
<script type="text/javascript" src="jquery-2.2.0.min.js">
</script><script type="text/javascript">
$(function(){
var i=2;
$("#addFile").click(function(){
$(this).parent().parent().before("<tr class=&#39;file&#39;><td>File"
+i+":</td><td><input type=&#39;file&#39; name=&#39;file"
+i+"&#39;/></td></tr>"
+"<tr class=&#39;desc&#39;><td>Desc"
+i+":</td><td><input type=&#39;text&#39; name=&#39;desc"
+i+"&#39;/><button id=&#39;delete"
+i+"&#39;>删除</button></td></tr>");
i++;
//删除
$("#delete"+(i-1)).click(function(){
var $tr=$(this).parent().parent();
$tr.prev("tr").remove();
$tr.remove();
//对i排序
$(".file").each(function(index){
var n=index+1;
$(this).find("td:first").text("File"+n);
$(this).find("td:last input").attr("name","file"+n);
});
$(".desc").each(function(index){
var n=index+1;
$(this).find("td:first").text("Desc"+n);
$(this).find("td:last input").attr("name","desc"+n);
});
});
});
});
</script>
</head>
<body>
<table>
<tr class="file">
<td>File1:</td>
<td><input type="file" name="file1"/></td>
</tr>
<tr class="desc">
<td>Desc1:</td>
<td><input type="text" name="desc1"/></td>
</tr>
<tr>
<td><input type="submit" id="submit" value="上传"/></td>
<td><button id="addFile">增加</button></td>
</tr>
</table>
</body>
</html>
Copy after login

Okay, the code is over here, I hope it will be helpful to everyone

Related labels:
source:php.cn
Statement of this Website
The content of this article is voluntarily contributed by netizens, and the copyright belongs to the original author. This site does not assume corresponding legal responsibility. If you find any content suspected of plagiarism or infringement, please contact admin@php.cn
Popular Tutorials
More>
Latest Downloads
More>
Web Effects
Website Source Code
Website Materials
Front End Template
About us Disclaimer Sitemap
php.cn:Public welfare online PHP training,Help PHP learners grow quickly!