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js php xmlrequest 上传图片的方法

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Release: 2016-06-13 09:33:21
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   本来想用插件上传图片的,后来自己写了一个简单的js实现异步的图片上传,不多说上代码非常简单

  upload.php

  if(isset($_FILES["myfile"]))

  {

  $ret = array();

  $uploadDir = 'images'.DIRECTORY_SEPARATOR.date("Ymd").DIRECTORY_SEPARATOR;

  $dir = dirname(__FILE__).DIRECTORY_SEPARATOR.$uploadDir;

  file_exists($dir) (mkdir($dir,0777,true) && chmod($dir,0777));

  if(!is_array($_FILES["myfile"]["name"])) //single file

  {

  $fileName = time().uniqid().'.'.pathinfo($_FILES["myfile"]["name"])['extension'];

  move_uploaded_file($_FILES["myfile"]["tmp_name"],$dir.$fileName);

  $ret['file'] = DIRECTORY_SEPARATOR.$uploadDir.$fileName;

  }

  echo json_encode($ret);

  }

  ?>

  index.html

  





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