ajaxFileUpload.js 插件的demo
发布时间：2020-12-16 01:46:27 所属栏目：百科 来源：网络整理
导读：依赖js文件： !-- jQuery 核心文件 -- script src="../3rd/jquery/dist/jquery.js"/script!-- ajaxFileUpload上传插件 -- script src="../3rd/ajaxfileupload/ajaxfileupload.js" type="text/javascript"/script html代码： !-- ajaxFileUpload的上传功能 --
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依赖js文件： <!-- jQuery 核心文件 -->
<script src="../3rd/jquery/dist/jquery.js"></script>
<!-- ajaxFileUpload上传插件 -->
<script src="../3rd/ajaxfileupload/ajaxfileupload.js" type="text/javascript"></script>
html代码： <!-- ajaxFileUpload的上传功能 -->
<div class="form-group">
<div class="col-sm-5">
<label for="file1">安装包上传</label>
<input class="form-control" type="file" id="file1" name="file" /><br />
</div>
</div>
js代码： /* 上传安装包：ajax上传插件使用 */
function ajaxFileUploadd() {
$.ajaxFileUpload
(
{
url: '/upgrade-release/rpc?method=/proHandRelea/uploadSetupPack',//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: 'file1',//文件上传域的ID
dataType: 'json',//返回值类型 一般设置为json
type: 'post',success: function(data,status) //服务器成功响应处理函数
{
var dataJson = jQuery.parseJSON(data);
if(status == 'success') {
// 上传成功
if(dataJson.resultMsg == 1) {
// 3、基本信息保存
submitBasicMsg();
}
if(dataJson.resultMsg == 0) { // 上传失败
doFalAlert("上传文件失败，发布失败！请重新上传文件再发布！");
}
}
},error: function (data,status,e)//服务器响应失败处理函数
{
// alert(e);
doFalAlert("系统异常，上传文件路径异常！");
}
}
)
return false;
}
注意问题： 可能会出现：上传报错 jQuery.handleError is not a function这个异常 分析并解决：handlerError只在jquery-1.4.2之前的版本中存在，jquery-1.4.2之后的版本中都没有这个函数了。 jQuery.extend({
createUploadIframe: function(id,uri)
{
//create frame
var frameId = 'jUploadFrame' + id;
var iframeHtml = '<iframe id="' + frameId + '" name="' + frameId + '" style="position:absolute; top:-9999px; left:-9999px"';
if(window.ActiveXObject)
{
if(typeof uri== 'boolean'){
iframeHtml += ' src="' + 'javascript:false' + '"';
}
else if(typeof uri== 'string'){
iframeHtml += ' src="' + uri + '"';
}
}
iframeHtml += ' />';
jQuery(iframeHtml).appendTo(document.body);
return jQuery('#' + frameId).get(0);
},createUploadForm: function(id,fileElementId,data)
{
//create form
var formId = 'jUploadForm' + id;
var fileId = 'jUploadFile' + id;
var form = jQuery('<form action="" method="POST" name="' + formId + '" id="' + formId + '" enctype="multipart/form-data"></form>');
if(data)
{
for(var i in data)
{
jQuery('<input type="hidden" name="' + i + '" value="' + data[i] + '" />').appendTo(form);
}
}
var oldElement = jQuery('#' + fileElementId);
var newElement = jQuery(oldElement).clone();
jQuery(oldElement).attr('id',fileId);
jQuery(oldElement).before(newElement);
jQuery(oldElement).appendTo(form);
//set attributes
jQuery(form).css('position','absolute');
jQuery(form).css('top','-1200px');
jQuery(form).css('left','-1200px');
jQuery(form).appendTo('body');
return form;
},handleError: function( s,xhr,e ) {
// If a local callback was specified,fire it
if ( s.error ) {
s.error.call( s.context || s,e );
}
// Fire the global callback
if ( s.global ) {
(s.context ? jQuery(s.context) : jQuery.event).trigger( "ajaxError",[xhr,s,e] );
}
},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,(typeof(s.data)=='undefined'?false: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",s] );
} else
jQuery.handleError(s,status);
} catch(e)
{
status = "error";
jQuery.handleError(s,e);
}
// The request was completed
if( s.global )
jQuery.event.trigger( "ajaxComplete",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
{
jQuery(io).remove();
jQuery(form).remove();
} catch(e)
{
jQuery.handleError(s,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 form = jQuery('#' + formId);
jQuery(form).attr('action',s.url);
jQuery(form).attr('method','POST');
jQuery(form).attr('target',frameId);
if(form.encoding)
{
jQuery(form).attr('encoding','multipart/form-data');
}
else
{
jQuery(form).attr('enctype','multipart/form-data');
}
jQuery(form).submit();
} catch(e)
{
jQuery.handleError(s,e);
}
jQuery('#' + frameId).load(uploadCallback );
return {abort: function () {}};
},uploadHttpData: function( r,type ) {
var data = !type;
data = type == "xml" || data ? r.responseXML : r.responseText;
data = data.replace("<pre>","");
data = data.replace("</pre>","");
// 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" ){
data = r.responseText;
var start = data.indexOf(">");
if(start != -1) {
var end = data.indexOf("<",start + 1);
if(end != -1) {
data = data.substring(start + 1,end);
}
}
eval( "data = " + data );
}
// evaluate scripts within html
if ( type == "html" )
jQuery("<div>").html(data).evalScripts();
return data;
}
})
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