laravel框架与ajax怎么样实现文件上传功能的方法详解

前言

大家都知道，早期的XMLHttpRequest不支持文件上传，一般用第三方js插件或者flash，现在可以借助XMLHttpRequest Level 2 的FormData对象实现二进制文件上传，正好最近工作中遇到了这个需求，所以本文就来给大家总结下实现的方法，话不多说了，来一起看看详细的介绍吧。

示例代码

@extends('layouts.art')
@section('content')

<form class="form-horizontal" id="avatar"> 
   {{ csrf_field() }}
 <p class="form-group">
 <label for="inputEmail3" class="col-sm-2 control-label">名字</label>
 <p class="col-sm-8">
  <input type="title" class="form-control" id="title" name="title">
 </p>
 </p>


 <p class="form-group">
 <label for="inputEmail3" class="col-sm-2 control-label">头像</label>
 <p class="col-sm-8">
  <input type="file" class="form-control" id="title" name="photo">
 </p>
 </p>


 <p class="form-group">
 <p class="col-sm-offset-2 col-sm-10">
  <a class="btn btn-default" onclick="uploadInfo()">上传</a>
 </p>
 </p>
</form>

<script src="https://cdn.bootcss.com/jquery/3.2.1/jquery.min.js"></script> 
<script type="text/javascript"> 
function uploadInfo() { 
  var formData = new FormData($("#avatar")); 
  $.ajax({ 
   url: "{{url('photo')}}",
   type: 'POST', 
   data: formData, 
   contentType: false, 
   processData: false, 
   success: function (returndata) { 
    console.log(returndata); 
   }, 
   error: function (returndata) { 
    console.log(returndata); 
   } 
  }); 
} 

</script>

@endsection

 //生成路径，图片存储
  $ext = $request->photo->getClientOriginalExtension();
  $cover_path = "images/album/covers/" . time() . $ext; 
  $name = "photo".time();
  $src = "images/album/photos/". $name .".jpg";
  Image::make($request->photo)->save(public_path($src));*/

 //批量上传图片

  foreach ($request->photo as $key => $value) {
   //生成路径，图片存储
   $prefix = "photo".mt_rand(1,1000);
   $Origname = $value->getClientOriginalName();
   $name = $prefix.$Origname;
   $src = "images/album/photos/".$name;
   $realPath = $value->getRealPath();
   Storage::disk('uploads')->put($src,file_get_contents($realPath));
  }

总结

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