JAvascript html 5モバイル端末でファイルアップロードを容易に実現

(function($) {
 $.extend($.fn, {
 fileUpload: function(opts) {
 this.each(function() {
 var $self = $(this);
 var doms = {
  "fileToUpload": $self.find(".fileToUpload"),
  "thumb": $self.find(".thumb"),
  "progress": $self.find(".upload-progress")
 };
 var funs = {
  //    ，      ，            ，              
  "fileSelected": function() {
  var files = (doms.fileToUpload)[0].files;
  var count = files.length;
  for (var index = 0; index < count; index++) {
  var file = files[index];
  var fileSize = 0;
  if (file.size > 1024 * 1024)
  fileSize = (Math.round(file.size * 100 / (1024 * 1024)) / 100).toString() + 'MB';
  else
  fileSize = (Math.round(file.size * 100 / 1024) / 100).toString() + 'KB';
  }
  funs.uploadFile();
  },
  //      
  uploadFile: function() {
  var fd = new FormData();//        
  var files = (doms.fileToUpload)[0].files;
  var count = files.length;
  for (var index = 0; index < count; index++) {
  var file = files[index];
  fd.append(opts.file, file);//           
  funs.previewImage(file);//       ，           txt
  }
  var xhr = new XMLHttpRequest();
  xhr.upload.addEventListener("progress", funs.uploadProgress, false);//      
  xhr.addEventListener("load", funs.uploadComplete, false);
  xhr.addEventListener("error", opts.uploadFailed, false);
  xhr.open("POST", opts.url);
  xhr.send(fd);
  },
  //    
  previewImage: function(file) {
  var gallery = doms.thumb;
  var img = document.createElement("img");
  img.file = file;
  doms.thumb.html(img);
  //   FileReader        
  var reader = new FileReader();
  reader.onload = (function(aImg) {
  return function(e) {
  aImg.src = e.target.result;
  };
  })(img);
  reader.readAsDataURL(file);
  },
  uploadProgress: function(evt) {
  if (evt.lengthComputable) {
  var percentComplete = Math.round(evt.loaded * 100 / evt.total);
  doms.progress.html(percentComplete.toString() + '%');
  }
  },
  "uploadComplete": function(evt) {
  alert(evt.target.responseText)
  }
 };
 doms.fileToUpload.on("change", function() {
  doms.progress.find("span").width("0");
  funs.fileSelected();
 });
 });
 }
 });
})(Zepto);

$(".camera-area").fileUpload({
 "url": "savetofile.php",
 "file": "myFile"
 });

";

 file_put_contents('log.log', $log,FILE_APPEND);
}
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