标签:numbers completed ++ 创建 current upload system empty mat
https://blog.csdn.net/sinat_16998945/article/details/81125950
界面如下图:
HTML代码如下:
- <html >
- <head >
- <!-- 引入jquery ajaxfileupload.js -->
- <!-- ajaxfileupload.js 为了兼容IE不同版本,需要修改源代码,文章附带源代码 -->
- <script src="../../Content/js/jquery/jquery-1.4.2.min.js" type="text/javascript"></script>
- <script src="../../Content/js/ajaxfileupload.js" type="text/javascript"></script>
- </head>
- <body>
- <div>
- <div>
- <input type="file" id="fileExcel" name="fileExcel" />
- <a onclick="ajaxFileUpload()" href="javascript:void(0);" >上传</a>
- </div>
- </div>
- </body>
- <script type="text/javascript">
- function ajaxFileUpload() {
- try {
- $.ajaxFileUpload({
- url: ‘../../AjaxHandler/SIMManage/SIMInfoHandler.ashx?action=UpFile‘, //用于文件上传的服务器端请求地址
- secureuri: false, //是否需要安全协议,一般设置为false
- fileElementId: ‘fileExcel‘, //文件上传域的ID
- dataType: ‘json‘, //返回值类型 一般设置为json
- success: function (data, status) //服务器成功响应处理函数
- {
- //上传成功
-
- },
- error: function (data, status, e)//服务器响应失败处理函数
- {
- alert(e);
- }
- })
- } catch (e) {
- alert(e.Message)
- }
- return false;
- }
- </script>
- </html>
ajaxfileupload源代码修改如下:
// 源代码
// if(window.ActiveXObject) {
// var io = document.createElement(‘<iframe id="‘ + frameId + ‘" name="‘ + frameId + ‘" />‘);
// if(typeof uri== ‘boolean‘){
// io.src = ‘javascript:false‘;
// }
// else if(typeof uri== ‘string‘){
// io.src = uri;
// }
// }else {
// var io = document.createElement(‘iframe‘);
// io.id = frameId;
// io.name = frameId;
// }
//修改源代码,参考网上大神修改内容
if (window.ActiveXObject) {
if (jQuery.browser.version == "9.0" || jQuery.browser.version == "10.0") {
var io = document.createElement(‘iframe‘);
io.id = frameId;
io.name = frameId;
} else if (jQuery.browser.version == "6.0" || jQuery.browser.version == "7.0" || jQuery.browser.version == "8.0") {
var io = document.createElement(‘<iframe id="‘ + frameId + ‘" name="‘ + frameId + ‘" />‘);
if (typeof uri == ‘boolean‘) {
io.src = ‘javascript:false‘;
}
else if (typeof uri == ‘string‘) {
io.src = uri;
}
}
}
else {
var io = document.createElement(‘iframe‘);
io.id = frameId;
io.name = frameId;
}
-
- jQuery.extend({
- createUploadIframe: function (id, uri) {
- //create frame
- var frameId = ‘jUploadFrame‘ + id;
-
- //*********************************************源代码,参考网上大神修改内容
- // if(window.ActiveXObject) {
- // var io = document.createElement(‘<iframe id="‘ + frameId + ‘" name="‘ + frameId + ‘" />‘);
- // if(typeof uri== ‘boolean‘){
- // io.src = ‘javascript:false‘;
- // }
- // else if(typeof uri== ‘string‘){
- // io.src = uri;
- // }
- // }else {
- // var io = document.createElement(‘iframe‘);
- // io.id = frameId;
- // io.name = frameId;
- // }
-
- //***********************************************修改源代码
- if (window.ActiveXObject) {
- if (jQuery.browser.version == "9.0" || jQuery.browser.version == "10.0") {
- var io = document.createElement(‘iframe‘);
- io.id = frameId;
- io.name = frameId;
- } else if (jQuery.browser.version == "6.0" || jQuery.browser.version == "7.0" || jQuery.browser.version == "8.0") {
- var io = document.createElement(‘<iframe id="‘ + frameId + ‘" name="‘ + frameId + ‘" />‘);
- if (typeof uri == ‘boolean‘) {
- io.src = ‘javascript:false‘;
- }
- else if (typeof uri == ‘string‘) {
- io.src = uri;
- }
- }
- }
- else {
- var io = document.createElement(‘iframe‘);
- io.id = frameId;
- io.name = frameId;
- }
- io.style.position = ‘absolute‘;
- io.style.top = ‘-1000px‘;
- io.style.left = ‘-1000px‘;
-
- document.body.appendChild(io);
-
- return io
- },
- createUploadForm: function (id, fileElementId) {
- //create form
- var formId = ‘jUploadForm‘ + id;
- var fileId = ‘jUploadFile‘ + id;
- var form = $(‘<form action="" method="POST" name="‘ + formId + ‘" id="‘ + formId + ‘" enctype="multipart/form-data"></form>‘);
- var oldElement = $(‘#‘ + fileElementId);
- var newElement = $(oldElement).clone();
- $(oldElement).attr(‘id‘, fileId);
- $(oldElement).before(newElement);
- $(oldElement).appendTo(form);
- //set attributes
- $(form).css(‘position‘, ‘absolute‘);
- $(form).css(‘top‘, ‘-1200px‘);
- $(form).css(‘left‘, ‘-1200px‘);
- $(form).appendTo(‘body‘);
- return form;
- },
- addOtherRequestsToForm: function (form, data) {
- // add extra parameter
- var originalElement = $(‘<input type="hidden" name="" value="">‘);
- for (var key in data) {
- name = key;
- value = data[key];
- var cloneElement = originalElement.clone();
- cloneElement.attr({ ‘name‘: name, ‘value‘: value });
- $(cloneElement).appendTo(form);
- }
- return form;
- },
-
- ajaxFileUpload: function (s) {
- // TODO introduce global settings, allowing the client to modify them for all requests, not only timeout
- s = jQuery.extend({}, jQuery.ajaxSettings, s);
- var id = new Date().getTime()
- var form = jQuery.createUploadForm(id, s.fileElementId);
- if (s.data) form = jQuery.addOtherRequestsToForm(form, s.data);
- var io = jQuery.createUploadIframe(id, s.secureuri);
- var frameId = ‘jUploadFrame‘ + id;
- var formId = ‘jUploadForm‘ + id;
- // Watch for a new set of requests
- if (s.global && !jQuery.active++) {
- jQuery.event.trigger("ajaxStart");
- }
- var requestDone = false;
- // Create the request object
- var xml = {}
- if (s.global)
- jQuery.event.trigger("ajaxSend", [xml, s]);
- // Wait for a response to come back
- var uploadCallback = function (isTimeout) {
- var io = document.getElementById(frameId);
- try {
- if (io.contentWindow) {
- xml.responseText = io.contentWindow.document.body ? io.contentWindow.document.body.innerHTML : null;
- xml.responseXML = io.contentWindow.document.XMLDocument ? io.contentWindow.document.XMLDocument : io.contentWindow.document;
-
- } else if (io.contentDocument) {
- xml.responseText = io.contentDocument.document.body ? io.contentDocument.document.body.innerHTML : null;
- xml.responseXML = io.contentDocument.document.XMLDocument ? io.contentDocument.document.XMLDocument : io.contentDocument.document;
- }
- } catch (e) {
- jQuery.handleError(s, xml, null, e);
- }
- if (xml || isTimeout == "timeout") {
- requestDone = true;
- var status;
- try {
- status = isTimeout != "timeout" ? "success" : "error";
- // Make sure that the request was successful or notmodified
- if (status != "error") {
- // process the data (runs the xml through httpData regardless of callback)
- var data = jQuery.uploadHttpData(xml, s.dataType);
- // If a local callback was specified, fire it and pass it the data
- if (s.success)
- s.success(data, status);
-
- // Fire the global callback
- if (s.global)
- jQuery.event.trigger("ajaxSuccess", [xml, s]);
- } else
- jQuery.handleError(s, xml, status);
- } catch (e) {
- status = "error";
- jQuery.handleError(s, xml, status, e);
- }
-
- // The request was completed
- if (s.global)
- jQuery.event.trigger("ajaxComplete", [xml, s]);
-
- // Handle the global AJAX counter
- if (s.global && ! --jQuery.active)
- jQuery.event.trigger("ajaxStop");
-
- // Process result
- if (s.complete)
- s.complete(xml, status);
-
- jQuery(io).unbind()
-
- setTimeout(function () {
- try {
- $(io).remove();
- $(form).remove();
-
- } catch (e) {
- jQuery.handleError(s, xml, null, e);
- }
-
- }, 100)
-
- xml = null
-
- }
- }
- // Timeout checker
- if (s.timeout > 0) {
- setTimeout(function () {
- // Check to see if the request is still happening
- if (!requestDone) uploadCallback("timeout");
- }, s.timeout);
- }
- try {
- // var io = $(‘#‘ + frameId);
- var form = $(‘#‘ + formId);
- $(form).attr(‘action‘, s.url);
- $(form).attr(‘method‘, ‘POST‘);
- $(form).attr(‘target‘, frameId);
- if (form.encoding) {
- form.encoding = ‘multipart/form-data‘;
- }
- else {
- form.enctype = ‘multipart/form-data‘;
- }
- $(form).submit();
-
- } catch (e) {
- jQuery.handleError(s, xml, null, e);
- }
- if (window.attachEvent) {
- document.getElementById(frameId).attachEvent(‘onload‘, uploadCallback);
- }
- else {
- document.getElementById(frameId).addEventListener(‘load‘, uploadCallback, false);
- }
- return { abort: function () { } };
-
- },
-
- uploadHttpData: function (r, type) {
- var data = !type;
- data = type == "xml" || data ? r.responseXML : r.responseText;
- // If the type is "script", eval it in global context
- if (type == "script")
- jQuery.globalEval(data);
- // Get the JavaScript object, if JSON is used.
- if (type == "json") {
- // If you add mimetype in your response,
- // you have to delete the ‘<pre></pre>‘ tag.
- // The pre tag in Chrome has attribute, so have to use regex to remove
- var data = r.responseText;
- var rx = new RegExp("<pre.*?>(.*?)</pre>", "i");
- var am = rx.exec(data);
- //this is the desired data extracted
- var data = (am) ? am[1] : ""; //the only submatch or empty
- eval("data = " + data);
- }
- // evaluate scripts within html
- if (type == "html")
- jQuery("<div>").html(data).evalScripts();
- //alert($(‘param‘, data).each(function(){alert($(this).attr(‘value‘));}));
- return data;
- }
- })
-
一般处理程序(Handler)接收文件代码如下
- using System;
- using System.Collections.Generic;
- using System.Linq;
- using System.Web;
- using System.Web.SessionState;
- using System.IO;
-
- namespace Web.AjaxHandler.SIMManage
- {
- /// <summary>
- /// SIMInfoHandler 的摘要说明
- /// </summary>
- public class SIMInfoHandler : IHttpHandler
- {
-
- HttpRequest Request;
- HttpResponse Response;
- public void ProcessRequest(HttpContext context)
- {
- context.Response.ContentType = "text/plain";
- Request = context.Request;
- Response = context.Response;
- string action = Request.QueryString["action"];
- switch (action)
- {
- case "UpFile":
- UpFile();
- break;
- }
- }
-
- private void UpFile()
- {
- HttpFileCollection files = Request.Files;
- string msg = string.Empty;
- string error = string.Empty;
- string res = string.Empty;
- try
- {
-
- string filename = System.IO.Path.GetFileName(files[0].FileName);
-
- //判断是否有文件
- if (filename == "")
- {
- Response.Write("上传文件为空,请选择上传文件格式为‘.xls‘的文件。");
- return;
- }
-
- string [] strArrary = filename.Split(‘.‘);
- //判断文件格式
- if (strArrary.LastOrDefault() != "xls" && strArrary.LastOrDefault() != "xlsx")
- {
- Response.Write("上传文件格式不正确,请选择上传文件格式为‘.xls‘或‘.xlsx‘的文件。");
- return;
- }
-
- //存放文件
- if (Directory.Exists(HttpContext.Current.Server.MapPath("~/Document/TemporaryDocuments")) == false)//如果不存在就创建file文件夹
- {
- Directory.CreateDirectory(HttpContext.Current.Server.MapPath("~/Document/TemporaryDocuments"));
- }
- string url = "~/Document/TemporaryDocuments/" + filename;
- string path = HttpContext.Current.Server.MapPath(url);
- files[0].SaveAs(path);
-
- Response.Write("上传文件成功");
- return;
- }
- catch (Exception ex)
- {
- }
- }
-
- public bool IsReusable
- {
- get
- {
- return false;
- }
- }
- }
- }
c# 使用ajaxfileupload上传文件,通过一般处理程序(Handler)接收文件 ashx 图片 Excel文件都可以
标签:numbers completed ++ 创建 current upload system empty mat
原文地址:https://www.cnblogs.com/sunny3158/p/14547282.html