这篇文章主要介绍JS如何实现多文件上传，文中介绍的非常详细，具有一定的参考价值，感兴趣的小伙伴们一定要看完！
具体实现代码如下所示：
<!DOCTYPE html>
<html>
<head lang="en">
<meta charset="UTF-8">
<title></title>
<script src="./jquery-1.9.1.min.js"></script>
</head>
<body>
<form id= "uploadForm" action= "" method= "post" enctype ="multipart/form-data">
<h2 >多文件上传 </h2>
<table>
<tr>
<td >上传文件： <input type ="file" name="file[]" id="file" multiple="multiple"/><a href="javascript:;" id="add">[+]</a></td>
</tr>
<tr>
<td>
<input type ="button" value="上传" id="but"/>
</td>
</tr>
</table>
</form>
</body>
</html>
<script>
//添加
$(document).on("click","#add",function(){
var str_tr = "<tr>"+$(this).parents("tr").html()+"</tr>";
//js 替换字符串样式
str_tr = str_tr.replace(/\+/,'-');
var new_str_tr = str_tr.replace(/add/,'del');
$(this).parents("tr").after(new_str_tr);
})
//删除
$(document).on("click","#del",function(){
$(this).parents("tr").remove();
})
//文件上传
$("#but").click(function(){
var formData = new FormData($( "#uploadForm" )[0]);
$.ajax({
url: 'http://localhost/demo/selfWork_MVC/easymvc/app/Views/Index/upload.php' ,
type: 'POST',
data: formData,
async: false,
cache: false,
contentType: false,
processData: false,
success: function (returndata) {
alert(returndata);
},
error: function (returndata) {
alert(returndata);
}
});
})
</script>以上是“JS如何实现多文件上传”这篇文章的所有内容，感谢各位的阅读！希望分享的内容对大家有帮助，更多相关知识，欢迎关注天达云行业资讯频道！