js是如何實現具有進度條的多視頻上傳？

本文實例為大家分享了js帶進度條上傳多影片的具體程式碼，供大家參考，具體內容如下

效果：

引用：

 <link rel="stylesheet" href="bootstrap.css" rel="external nofollow" >
 <script src="jquery.fileupload.js"></script>
 <script src="http://malsup.github.com/jquery.form.js"></script>

html:

<p class="form-group">
      <label>产品视频：</label>
      <p class="videoUpfile">
        <input type="file" name="avatarVideo" class="avatarVideo"><a class="btn deleteAvatarVideo" href="javascript:;" rel="external nofollow" rel="external nofollow" >删除</a>
        <p class="videoMaterials">
          <p class="progress">
            <p class="progress-bar progress-bar-success progress-bar-striped" role="progressbar" aria-valuenow="45" aria-valuemin="0" aria-valuemax="100" style="width: 0%">
              <span class="sr-only">0% Complete</span>
            </p>
          </p>
          <p class="files"></p>
          <p class="showimg"></p>
          <input type="hidden" value="" name="video_id[]">
          <p style="color: #b92c28" class="img_upload_info"></p>
        </p>
      </p>
      <p class="videoUpfile">
        <input type="file" name="avatarVideo" class="avatarVideo"><a class="btn deleteAvatarVideo" href="javascript:;" rel="external nofollow" rel="external nofollow" >删除</a>
        <p class="videoMaterials">
          <p class="progress">
            <p class="progress-bar progress-bar-success progress-bar-striped" role="progressbar" aria-valuenow="45" aria-valuemin="0" aria-valuemax="100" style="width: 0%">
              <span class="sr-only">0% Complete</span>
            </p>
          </p>
          <p class="files"></p>
          <p class="showimg"></p>
          <input type="hidden" value="" name="video_id[]">
          <p style="color: #b92c28" class="img_upload_info"></p>
        </p>
      </p>
</p>

script:

//上传视频

$(".avatarVideo").change(function() {
  var _this = $(this);
  _this.wrap("<form class=&#39;fileUploadeVideo&#39; action=&#39;/admin/uploadimg/addVideo&#39; method=&#39;post&#39; enctype=&#39;multipart/form-data&#39;></form>");
  _this.parents(&#39;.fileUploadeVideo&#39;).ajaxSubmit({
    dataType: &#39;json&#39;,
    beforeSend: function () {
      $(".progress").show();
    },
    uploadProgress: function (event, position, total, percentComplete) {
      var percentVal = percentComplete + &#39;%&#39;;
      _this.parents(&#39;.videoUpfile&#39;).find(".progress-bar").width(percentComplete + &#39;%&#39;);
      _this.parents(&#39;.videoUpfile&#39;).find(".progress-bar").html(percentVal);
      _this.parents(&#39;.videoUpfile&#39;).find(".sr-only").html(percentComplete + &#39;%&#39;);
    },
    success: function (data) {
      if(data.code==100) {
        _this.parents(&#39;.videoUpfile&#39;).find(".files").html("文件名: " + data.video_title);
        _this.parents(&#39;.videoUpfile&#39;).find("input[type=hidden]").val(data.video_id);
        alert("上传成功!");
      }else{
        alert("上传失败");
      }
    },
    error: function () {
      alert("上传失败");
    }
  });

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