How to use fileinput to implement ajax asynchronous upload-JS Tutorial-php.cn

How to use fileinput to implement ajax asynchronous upload

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Release： 2018-04-02 09:50:29

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This time I will show you how to use fileinput to implement asynchronous ajax upload. What are the precautions for using fileinput to implement asynchronous ajax upload? The following is a practical case, let's take a look.

First you need to import some js and css files

<link href="PUBLIC/CSS/bootstrap.css" rel="external nofollow" rel="stylesheet">
<link type="text/css" rel="stylesheet" href="PUBLIC/CSS/fileinput.css" rel="external nofollow" />
 <script type="text/javascript" src="PUBLIC/JS/bootstrap.min.js"></script>
<script type="text/javascript" src="PUBLIC/JS/jquery.min.js"></script>
<script type="text/javascript" src="PUBLIC/JS/fileinput.js"></script>
<script type="text/javascript" src="PUBLIC/JS/fileinput_locale_zh.js"></script>//中文包，不需要可以不用导入

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html code

<form enctype="multipart/form-data">
　　<input id="file-1" name="file" type="file" multiple class="file" data-overwrite-initial="false" data-min-file-count="1"/>
</form>

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js code

$("#file-1").fileinput({
　　uploadUrl: '', // 必须设置个路径进入php代码部分
　　allowedFileExtensions : ['jpg', 'png','gif','txt','zip','ico','jpeg','js','css','java','mp3','mp4','doc','docx'],//允许的文件类型
　　overwriteInitial: false,
　　maxFileSize: 1500,//文件的最大大小 单位是k
　　maxFilesNum: 10,//最多文件数量 
　　// allowedFileTypes: ['image', 'video', 'flash'],
　　slugCallback: function(filename) {
　　　　return filename;
　　}
});

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php code

$file=$_FILES['file'];//获取上称文件的信息，数组形式
$date['file_name'] = $file['name'];//文件的名称
$date['file_size'] = $file['size'];//文件的大小
$date['file_type'] = $file['type'];//文件的类型

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Then proceed Upload, use ajax to return an

error message or success message

or just use echo to return it directly.

Style:

I believe you have mastered the method after reading the case in this article. For more exciting content, please pay attention to php Chinese Other related articles online!