PHP multiple input file file upload_PHP tutorial

PHP multi-input file upload

Front-end html jquery code Back-end PHP processing

Front desk html

** Pay attention to how to write name, use name[] method, and use the same name
** Pay attention to the form with file. The form must add: enctype="multipart/form-data"

jquery submit form

<code class="hljs" javascript="">$(#form).form(&#39;submit&#39;,{
  url:url,
  success:function(data){
    //处理返回数据
  }
});</code>

PHP background processing

<code class="hljs" php="">//接收处理文件
$fileArray = $_FILES[&#39;imagesUpload&#39;];//根据请求的name获取文件
$upload_dir = public_path() . /upload/carPic/;
$userID = Session::get(&#39;userID&#39;);
$nowTime = date(YmdHis, time());
$i = 0;
$successName = array();
foreach ($fileArray[&#39;error&#39;] as $key => $error){  //遍历处理文件
  if ( $error == UPLOAD_ERR_OK ) {
    $temp_name = $fileArray[&#39;tmp_name&#39;][$key];
    $file_name = $userID.&#39;-&#39;.$nowTime.$i.$fileArray[&#39;name&#39;][$key];
    move_uploaded_file($temp_name, $upload_dir.$file_name);
    array_push($successName, $file_name);//把上传成功的文件名称加入数组
  }else{
    return &#39;{flag:0,flagmsg:上传[文件&#39;.$key.&#39;]失败!
!}&#39;;
  }
  $i++;
}
$flag = array(&#39;flag&#39;=>1,&#39;flagmsg&#39;=>&#39;文件上传成功!&#39;);
$names = array(&#39;names&#39;=>$successName);
return json_encode(
  array_merge($flag,$names)
);//返回上传结果，并返回上传成功后的所有文件的名称</code>

The PHP codes are very simple, so I won’t explain them one by one. Welcome to guide!

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