C# 一般处理程序+jquery.uploadify.js 多文件上传图片/文件

来源：互联网发布：淘宝分享有礼编辑：程序博客网时间：2024/04/25 12:48

效果图：

首先引入：

HTML代码：

<table class="table table-bordered table-striped"><tbody><tr class="odd gradeC"><td>上传图片列表：</td><td style="text-align: left"><div id="fileQueue" class="fileQueue" style="width: 670px; height: 100px;"></div></td><td><input type="file" name="file_upload" id="file_upload" /></td></tr><tr class="even gradeX"><td colspan="3"><p><input type="button" class="btn btn-info" id="btnUpload" onclick="doUpload()" value="上传" />           <input type="button" class="btn btn-info" id="btnCancelUpload" onclick="$('#file_upload').uploadify('cancel')" value="取消" /></p><div id="div_show_files"></div></td></tr></tbody></table>

JS代码：

<script type="text/javascript">$(function () {var guid = '<%=Request["guid"] %>';            var type = '<%=Request["type"] %>';            if (guid == null || guid == "") {            guid = newGuid();            }            if (type != null) {            type = type + '/';            }            var returnImgUrl = "";            $('#file_upload').uploadify({            'swf': 'plugins/uploadify/uploadify.swf',              //FLash文件路径            'buttonText': '浏  览',                        //按钮文本            'uploader': 'uploadhandler.ashx?guid=' + guid, //处理ASHX页面            'formData': { 'folder': 'picture', 'isCover': 1 },         //传参数            'queueID': 'fileQueue',                        //队列的ID            'queueSizeLimit': 999,                          //队列最多可上传文件数量，默认为999            'auto': false,                                 //选择文件后是否自动上传，默认为true            'multi': true,                                 //是否为多选，默认为true            'removeCompleted': true,                       //是否完成后移除序列，默认为true            'fileSizeLimit': '0',                          //单个文件大小，0为无限制，可接受KB,MB,GB等单位的字符串值            'fileTypeDesc': 'All Files',                   //文件描述            'fileTypeExts': '*.jpg;*.png;*.gif;*.bmp',                         //上传的文件后缀过滤器            'onQueueComplete': function (queueData) {      //所有队列完成后事件            if (queueData.filesQueued > 0) {            alert("上传完毕！");            alert(returnImgUrl);            }            },            'onError': function (event, queueId, fileObj, errorObj) {            alert(errorObj.type + "：" + errorObj.info);            },            'onUploadStart': function (file) {            },            'onUploadSuccess': function (file, data, response) {   //一个文件上传成功后的响应事件处理            // var data = $.parseJSON(data);//如果data是json格式            //var errMsg = "";            //alert(file);            returnImgUrl += data;            // alert(returnImgUrl);            if ($.parseJSON(data) == 2) {            alert("目录UpLoadImg/Test不存在或名称不对！"); return false;            }            }            });            });            function newGuid() {            var guid = "";            for (var i = 1; i <= 32; i++) {            var n = Math.floor(Math.random() * 16.0).toString(16);            guid += n;            if ((i == 8) || (i == 12) || (i == 16) || (i == 20))            guid += "-";            }            return guid;            }            //执行上传            function doUpload() {            $('#file_upload').uploadify('upload', '*');            }</script>

UploadHandler.ashx中代码:

public class UploadHandler : IHttpHandler{public void ProcessRequest(HttpContext context){context.Response.ContentType = "text/plain";context.Request.ContentEncoding = System.Text.Encoding.GetEncoding("UTF-8");context.Response.Charset = "UTF-8";try{if (context.Request.Files.Count > 0){string goodspath = HttpContext.Current.Server.MapPath("UpLoadImg/Test");  //用来生成文件夹if (!Directory.Exists(goodspath)){Directory.CreateDirectory(goodspath);}else{//返回图片路径var returnImgUrl = string.Empty;//如果上传路径存在HttpPostedFile file = context.Request.Files["Filedata"];string imgname = file.FileName;string imgType = imgname.Substring(imgname.LastIndexOf(".") + 1);string quanname = Guid.NewGuid() + "." + imgType;string filePath = Path.Combine(goodspath, quanname);returnImgUrl = "UpLoadImg/Test/" + quanname + ";";file.SaveAs(filePath);context.Response.Write(returnImgUrl);}}}catch (Exception ex){}} public bool IsReusable{get{return false;}}}

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