How to use fileinput to implement ajax asynchronous upload

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>
<link>
 <script></script>
<script></script>
<script></script>
<script></script>//中文包，不需要可以不用导入

html code

　　

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;
　　}
});

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

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!

Recommended reading:

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How to give the label returned by Ajax Dynamically add styles

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