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HomeWeb Front-endJS TutorialThe jQuery.Uploadify plug-in implements the function of batch uploading images with progress bar

This time I will bring you the jQuery.Uploadify plug-in to implement the function of batch uploading images with a progress bar. The jQuery.Uploadify plug-in implements the function of batch uploading images with a progress bar. What are the precautions? . The following is a practical case. Let’s take a look.



  <title>Jquery</title>
  <link>
  <script></script>
  <script></script>
  <script></script>
  <script>
    $(document).ready(function () {
      $("#pics").hide();
      $("#uploadify").uploadify({
        &#39;uploader&#39;: &#39;js/jquery.uploadify-v2.1.4/uploadify.swf&#39;, //uploadify.swf文件的路径
        &#39;script&#39;: &#39;UploadHandler.ashx?type=add&#39;, //处理文件上传的后台脚本的路径
        &#39;cancelImg&#39;: &#39;js/jquery.uploadify-v2.1.4/cancel.png&#39;,
        &#39;buttonText&#39;: &#39;Select Image&#39;,
        &#39;folder&#39;: &#39;UploadFile/<% = DateTime.Now.ToString("yyyyMMdd") %>/&#39;, //上传文件夹的路径按20130416
        &#39;queueID&#39;: &#39;fileQueue&#39;, //页面中,你想要用来作为文件队列的元素的id
        &#39;auto&#39;: false, //当文件被添加到队列时,自动上传
        &#39;multi&#39;: true, //设置为true将允许多文件上传
        &#39;fileExt&#39;: &#39;*.jpg;*.gif;*.png&#39;, //允许上传的文件后缀
        &#39;queueSizeLimit&#39;: 5,
        &#39;fileDesc&#39;: &#39;Web Image Files (.JPG, .GIF, .PNG)&#39;, //在浏览窗口底部的文件类型下拉菜单中显示的文本
        &#39;sizeLimit&#39;: 1024000, //上传文件的大小限制,单位为字节 1024*1000 1M
        &#39;onComplete&#39;: function (event, queueID, fileObj, response, data) {
          var html = "";
          html += "  <li class=\&#39;myli\&#39;>";
          html += "  <img  src=\"" + response + "\" class=\&#39;myimg\&#39;/ alt="The jQuery.Uploadify plug-in implements the function of batch uploading images with progress bar" >";
          html += "  <p style=\" position:absolute; right:8px; bottom:5px\">";
          html += "    <img  title=\"点击删除\" src=\"Images/delete.gif\" onclick=\"delImage(\&#39;" + response + "\&#39;);\" / alt="The jQuery.Uploadify plug-in implements the function of batch uploading images with progress bar" >";
          html += "  ";
          html += "  ";
          $("#pics").append(html);
        },
        &#39;onAllComplete&#39;: function (event, data) { //当上传队列中的所有文件都完成上传时触发
          //alert(data.filesUploaded + &#39; 个文件上传成功!&#39;);
          $("#pics").fadeIn();
        }
      });
    });
    function uploadpara() {
      //自定义传递参数
      $(&#39;#uploadify&#39;).uploadifySettings(&#39;scriptData&#39;, { &#39;name&#39;: $(&#39;#txtName&#39;).val(), &#39;albums&#39;: $(&#39;#txtAlbums&#39;).val() });
      $(&#39;#uploadify&#39;).uploadifyUpload();
    }
    function delImage(picurl) {
      jsonAjax("UploadHandler.ashx", "type=del&picurl=" + picurl, "text", callBackTxt);
    }
    function jsonAjax(url, param, datat, callback) {
      $.ajax({
        type: "post",
        url: url,
        data: param,
        dataType: datat,
        success: callback,
        error: function () {
          jQuery.fn.mBox({
            message: &#39;恢复失败&#39;
          });
        }
      });
    }
    function callBackTxt(data) {
      var o = data;
      if (o != "") {
        var e = $(".myli img[src=&#39;" + data + "&#39;]");
        e.each(function () {
          $(this).parent().remove();
        })
      } else {
        alert("删除失败");
      }
    };
  </script>
  <style>
  .myul
  {
   margin:5px 5px 5px 5px;
   padding:0px;
  }
  .myli
  {
    list-style-type:none;
    width:150px;
    height:150px;
    display:inline;
    position:relative;
  }
  .myimg
  {
    width:120px;
    height:120px;
  }
  </style>


  
  

  

     

  

      
     

  

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using System;
using System.Web;
using System.IO;
/// <summary>
/// UploadHandler文件上传
/// </summary>
public class UploadHandler : IHttpHandler
{
  public void ProcessRequest(HttpContext context)
  {
    context.Response.ContentType = "text/plain";
    context.Response.Charset = "utf-8";
    string type = context.Request["type"];
    if (type=="add")
    {
      HttpPostedFile file = context.Request.Files["Filedata"];
      string uploadPath = HttpContext.Current.Server.MapPath(@context.Request["folder"]);
      string name = context.Request.Params["name"]; //获取传递的参数
      string albums = context.Request.Params["albums"];
      if (file != null)
      {
        if (!Directory.Exists(uploadPath))
        {
          Directory.CreateDirectory(uploadPath);
        }
        file.SaveAs(Path.Combine(uploadPath, file.FileName));
        context.Response.Write(@context.Request["folder"] + file.FileName);
      }
      else
      {
        context.Response.Write("");
      }
    }
    else if (type == "del")
    {
      string picurl = context.Request["picurl"];
      try
      {
        File.Delete(context.Server.MapPath(picurl));
        context.Response.Write(picurl);
      }
      catch
      {
        context.Response.Write("");
      }
    }
    else
    { }
  }
  public bool IsReusable
  {
    get
    {
      return false;
    }
  }
}

I believe you have mastered the method after reading the case in this article. For more exciting information, please pay attention to other related articles on the php Chinese website!

Recommended reading:

Uploadify implementation of displaying progress bar for uploading images

Implementation of floating link pop-up image special effects

The above is the detailed content of The jQuery.Uploadify plug-in implements the function of batch uploading images with progress bar. For more information, please follow other related articles on the PHP Chinese website!

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