本文執行個體為大家分享了jquery實作動态添加附件的具體代碼，供大家參考，具體内容如下
建立HTML頁面
項目中實作的原代碼，無删減直接貼上。具體請參考“添加附件”按鈕相關操作。
注意引入：cardRansomManage.js，ajaxfileupload.js.
賬戶管理-預付卡贖回管理
目前位置：預付費卡綜合管理系統 > 預付卡贖回管理 >
贖回申請 >
贖回申請
增加附件
上傳附件并儲存
申 請
@verifyRes>
審 核
駁 回
@verifyRes>
贖回單号： 申請人： 表單狀态：
--全部--
selected="selected"#if>#if>>${es.chName!""}
#list>
#if>
附件(已上傳)：
删除
下載下傳
#list>
#if>
附件：
删除
正在處理，請稍後...
建立Javascript庫
cardRansomManage.js
//設定面罩的z-index,打開進度條
function setPopupZ_index() {
$("#popupDiv_bgDiv_1").css("z-index", "550");
bcd_openPopUpDailog(300, 'loading'); //進度條
}
var $fileMixSize = 10; //允許上傳附件數
var $fileCurSize = 0; //已上傳并儲存附件數
var $fileSize = 0; //目前新增附件操作次數
var $delFiles =""; //記錄 删除已儲存附件
var $flag = 0; //資料校驗 0:附件無效; 1:無附件送出; 2:附件有效
$(document).ready(function(){
$fileCurSize = $("input[name='attach']").size();
initialResource();
bindListener();
});
function initialResource(){
var orderStatus = $("#orderStatus").val();
var isLoginUser = $("#isLoginUser").val();
var btnSubmit = $("#btnSubmit");
var btnAudit = $("#btnAudit");
var btnRefuse = $("#btnRefuse");
if(isLoginUser=="true"){
if(orderStatus==0||orderStatus==3){//草稿、駁回狀态
// addFile();
if(btnAudit != undefined){
btnAudit.hide();
}
if(btnRefuse != undefined){
btnRefuse.hide();
}
}else {//orderStatus:1(申請),2(稽核)
$("a[name='rmlinkattach']").remove();
$("#toolbar").remove();
}
}else{
if(orderStatus!=1){
$("#toolbar").remove();
$("a[name='rmlinkattach']").remove();
}else{
$("#btnSave").hide();
$("a[name='rmlinkattach']").hide();
if(btnSubmit != undefined){
btnSubmit.hide();
}
}
}
}
function doCloseFunction(){
window.location.href="query?orderDetail&orderNo=" target="_blank" rel="external nofollow" rel="external nofollow" ;
}
function addFile(){
$fileSize = $("[name='uploadfiles']").size();
if($fileSize < $fileMixSize - $fileCurSize){
var $fileTemple=$("#fileTemplate >div").clone();
var tid = "uploadfiles0"+new Date().getTime();
$fileTemple.find(":file").attr("id",tid);
$fileTemple.find(":file").attr("name","uploadfiles");
$fileTemple.find("a").attr("name","rmlink");
$("#mdiv").append($fileTemple);
bindListener();
$fileSize++;
}else{
alertDiv.create("alertDiv","最大上傳檔案數為："+$fileMixSize+".");
}
}
function saveFile(){
operSubmit("0");
$delFiles = "";
}
function submitApply(){
operSubmit("1");
$delFiles ="";
}
function submitAudit(){
var orderStatus = $("#orderStatus").val();
//稽核人：隻允許處理稽核狀态的贖回單
if(orderStatus==1){
$.messager.confirm('請确認', '您要準許此贖回申請單？', function(r) {
if(r){
operSubmit("2"); //審批通過
}
});
$delFiles ="";
}else{
alertDiv.create("alertDiv","贖回單目前狀态，不允許送出！");
}
}
function submitRefuse(){
var orderStatus = $("#orderStatus").val();
//稽核人：隻允許處理稽核狀态的贖回單
if(orderStatus==1){
$.messager.confirm('請确認', '您要駁回此贖回申請單？', function(r) {
if(r){
operSubmit("3"); //駁回
}
});
}else{
alertDiv.create("alertDiv","贖回單目前狀态，不允許送出！");
}
}
function downLoadFile(attachmentId){
$('#attachmentId').val(attachmentId);
$('#downloadform').attr('action', 'downLoad');
$("#downloadform").submit();
}
function bindListener(){
$("a[name=rmlink]").unbind().click(function(){
$(this).parent().parent().remove();
$fileSize--;
})
}
function rmlinkAttach(attach, obj){
$.messager.confirm('請确認', '您要删除目前所選項目？', function(r) {
if(r){
$delFiles += ""+attach +",";
$fileCurSize -=1;
$(obj).parent().parent().remove();
}
});
}
//處理查詢傳回的資訊
function callBack(order) {
var html = "";
var orderStatus = order.orderStatus;
//var orderStatus = record['record'].orderStatus;
$("#orderStatus").val(orderStatus);
$("#mdiv").empty();//清空以前的資料
$("#freshdiv").empty();
$(order.attachment).each(
function(i, attach) {
html += "
";
html += "
";
html += "
附件(已上傳)： ";
html += "  ";
if(orderStatus==0||orderStatus==3){
html += " 删除";
}
html += " 下載下傳";
html += "
html += "
";
html += "
html += "
";
});
var $container = $("#freshdiv");
$container.append(html);//追加新的資料
}
function refreshRes(order,orderStatusName){
$("#orderNo").val(order.orderNo);
$("#orderStatus").val(order.orderStatus);
$("#orderStatus option[value='"+order.orderStatus+"']").attr("selected","selected");
initialResource();
//$.post("query?Detail",order,callBack, "json");
callBack(order)
$fileCurSize = $("input[name='attach']").size();
}
function operSubmit(status){
validateUploadfiles();
if($flag==2){
var order = {
orderNo: $("#orderNo").val(),
orderStatus: status,
attachments: $delFiles
};
fileupload("save",order,"query?orderDetail&orderNo=");
}else if($flag==1){
var order = {
orderNo: $("#orderNo").val(),
orderStatus: status,
attachments: $delFiles
};
$.post("save?unUpload", order,
function(data){
if (data.success) {
refreshRes(data['order']);
alertDiv.create("alertDiv", data.obj);
} else {
alertDiv.create("alertDiv", data.obj);
}
}, "json");
}else{
alertDiv.create("alertDiv","附件不能為空，請添加有效附件！");
}
}
function validateUploadfiles(){
var files = $("input[name='uploadfiles']");
if(files.size()>0){
$.each(files,function(i, file){
if(file.value==undefined || file.value==""){
alertDiv.create("alertDiv","新增附件不能為空，請上傳！");
$flag = 0;
}else{
$flag = 2;
}
});
}else{
$flag=1;
}
}
function fileupload(url,order,successUrl){
var files = $("input[name='uploadfiles']");
var uploadfiles = [];
$.each(files,function(i, file){
if(file.value!=undefined || file.value!=""){
uploadfiles.push(files[i].id)
}
});
$.ajaxFileUpload({
url: url,
secureuri : false,
type: 'post',
dataType: "json",
fileElementId: uploadfiles,
data: order,
beforeSend: function() {
setPopupZ_index();
},
success: function(result) {
if (result.success) {
refreshRes(result['order']);
alertDiv.create("alertDiv", result.obj);
} else {
alertDiv.create("alertDiv", result.obj);
}
},
error: function(result) {
alertDiv.create("alertDiv", "贖回申請資訊出錯，請稍後重試！");
},
complete: function() {
//$("#btnsave").removeAttr("disabled");
}
});
}
ajaxfileupload.js
jQuery.extend({
handleError: function( s, xhr, status, e ) {
// If a local callback was specified, fire it
if ( s.error ) {
s.error.call( s.context || s, xhr, status, e );
}
// Fire the global callback
if ( s.global ) {
(s.context ? jQuery(s.context) : jQuery.event).trigger( "ajaxError", [xhr, s, e] );
}
},
createUploadIframe: function(id, uri)
{
//create frame
var frameId = 'jUploadFrame' + id;
var iframeHtml = '
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('
');
if(data)
{
for(var i in data)
{
jQuery('').appendTo(form);
}
}
if(typeof(fileElementId) == 'string'){
fileElementId = [fileElementId];
}
for (var i = 0; i < fileElementId.length; i ++) {
var oldElement = jQuery('#' + fileElementId[i]);
var newElement = jQuery(oldElement).clone();
jQuery(oldElement).attr('id', fileId);
jQuery(oldElement).before(newElement);
jQuery(oldElement).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;
},
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", [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
{
jQuery(io).remove();
jQuery(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 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, xml, null, e);
}
jQuery('#' + frameId).load(uploadCallback );
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" )
data = r.responseText;
var start = data.indexOf(">");
if(start != -1) {
var end = data.indexOf("
if(end != -1) {
data = data.substring(start + 1, end);
}
}
eval( "data = " + data );
// evaluate scripts within html
if ( type == "html" )
jQuery("
").html(data).evalScripts();
return data;
}
})
以上就是本文的全部内容，希望對大家的學習有所幫助，也希望大家多多支援腳本之家。