Javascript-HTML5-Mobilterminal implementiert problemlos Datei-Upload_Javascript-Fähigkeiten

<div class="camera-area">
   <form enctype="multipart/form-data" method="post">
    <input type="file" name="fileToUpload" class="fileToUpload" accept="image/*" capture="camera"/>
     <div class="upload-progress"><span></span></div>
    </form>
   <div class="thumb"></div>
 </div>

(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 = {
     //选择文件，获取文件大小，也可以在这里获取文件格式，限制用户上传非要求格式的文件
     "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();
     },
     //异步上传文件
     uploadFile: function() {
      var fd = new FormData();//创建表单数据对象
      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);//将文件添加到表单数据中
       funs.previewImage(file);//上传前预览图片，也可以通过其他方法预览txt
      }
      var xhr = new XMLHttpRequest();
      xhr.upload.addEventListener("progress", funs.uploadProgress, false);//监听上传进度
      xhr.addEventListener("load", funs.uploadComplete, false);
      xhr.addEventListener("error", opts.uploadFailed, false);
      xhr.open("POST", opts.url);
      xhr.send(fd);
     },
     //文件预览
     previewImage: function(file) {
      var gallery = doms.thumb;
      var img = document.createElement("img");
      img.file = file;
      doms.thumb.html(img);
      // 使用FileReader方法显示图片内容
      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"
   });

<&#63;php
if (isset($_FILES['myFile'])) {
  // Example:
  writeLog($_FILES);
  move_uploaded_file($_FILES['myFile']['tmp_name'], "uploads/" . $_FILES['myFile']['name']);
  echo 'successful';
}
function writeLog($log){
  if(is_array($log) || is_object($log)){
    $log = json_encode($log);
  }
  $log = $log."\r\n";

  file_put_contents('log.log', $log,FILE_APPEND);
}
&#63;>