ajaxform无刷新上传

/******************************************************************************* * * ajax提交form * ******************************************************************************/ /* 调用示例，在看不懂也没办法了 $(function(){ var tempHTML = '<input type="text" id="aaa" value/><input name="file1" type="file" />'+ "<input type=\"button\" οnclick=\"ajaxSub\" value=\"update\">"+ '<div id="output2"></div>'; createForm('asdfe','dddd',tempHTML,'checkddd()'); initParam("/ajaxmodel/default/upload"); createForm('asdfe1','aaaaaaaaaa',tempHTML,''); initParam("/ajaxmodel/default/upload"); } ) function checkddd(){ var ddasd = $("#aaa").val(); if(ddasd){ return true; }else{ alert('请填写'); return false; } } */ /* * <div id="output2"></div> * <form method="post" id="educationalForm" name="educationalForm"> <input type="file" class="fileimg" id="educational" name="educational" title="请上传您的学历证明" default='uploadImg' onChange="Javascript:checkpic(this)"/> </form> <input type="hidden" id="educationalHi" name="educationalHi" /> * * <script> $(function(){ initParamForm("<{$BASE_URL}>ajaxmodel/default/upload","educationalForm"); initParamForm("<{$BASE_URL}>ajaxmodel/default/upload","stationForm"); initParamForm("<{$BASE_URL}>ajaxmodel/default/upload","physicianForm"); initParamForm("<{$BASE_URL}>ajaxmodel/default/upload","professionalForm"); initParamForm("<{$BASE_URL}>ajaxmodel/default/upload","identificationForm"); }) function checkpic(obj){ var formid = obj.name+"Form"; var hid = obj.name+"Hi"; fileObj = obj; ajaxSub(formid,""); } </script> * */ //file控件的对象 var fileObj = null; // 动态创建的formid var yuanpengform = ""; //上传成功后返回的图片ID 隐藏表单的ID var ypimghhid = ""; /** * 初始化参数 * * subUrl 提交的action,需要返回的图片ID * */ function initParam(subUrl,imghidden) { ypimghhid = imghidden; var options = { target : '#output2', beforeSubmit : showRequest, url : subUrl, success : showResponse }; $('#' + yuanpengform).submit(function() { $(this).ajaxSubmit(options); return false;// 阻止表单提交 }); } /** * 初始化参数 手动创建form * * subUrl 提交的action,from id,需要返回的图片ID * */ function initParamForm(subUrl,formid) { var options = { target : '#output2', beforeSubmit : showRequest, url : subUrl, success : showResponse }; $('#' + formid).submit(function() { $(this).ajaxSubmit(options); return false;// 阻止表单提交 }); } /** * * 提交表单 * */ function ajaxSub(formid, method) { var flag = true; if (method != '') { if (!eval(method)) { flag = false; } } if (flag) { $('#' + formid).submit(); } } /** * * 回调函数 ajax请求时会调用此方法 form的数据，jqForm jquery表单对象，options 初始化的参数 * */ function showRequest(formData, jqForm, options) { waitting(); var queryString = $.param(formData); return true; } /** * * 回调函数 ajax提交成功后调用 * * responseText 返回输出的结果，statusText 执行是否成功 * */ function showResponse(responseText, statusText,xhr) { removeAll(); if(showError(error)){ var error = $("#uploaderror").html(); if(error == "no"){ alert("上传失败，您选择的图片大小或者类型不符合要求!"); cleanFile(fileObj.name); var objhidden = $("input[name='"+fileObj.name+"Hi']"); objhidden.val(""); }else{ //alert("恭喜您，上传成功!"); var objhidden = $("input[name='"+fileObj.name+"Hi']"); objhidden.val(error); } } } function showError(error){ return true; } function checkPicResponse(responseText, statusText,xhr) { try{ var error = $("#uploaderror").html(); var jsonss = jQuery.parseJSON(error); var flag = true; var filename = ""; if(jsonss != null){ for(var i=0;i<jsonss.length;i++){ if(jsonss[i][1] != 1){ flag = false; filename = jsonss[i][0]; break; } } }else{ flag = false; } if(!flag){ if(filename==""){ filename = fileObj.name; } var obj = $("input[name='"+filename+"']"); obj.val(""); alert("上传失败，您选择的图片大小或者类型不符合要求!"); }else{ alert("恭喜您，上传成功!"); $("#"+ypimghhid).val(error); } }catch(e){ alert("上传失败，请稍后再试!"); } } /** * * 动态创建form target 指定在那里添加form，formid 表单的id ，varhtml 自定义的表单元素,method 调用外部注入的方法 * */ function createForm(target, formid, varhtml, method) { yuanpengform = formid; varhtml = varhtml.replace("ajaxSub", "ajaxSub('" + yuanpengform + "','" + method + "')"); var tempHtml = '<form method="post" name="' + yuanpengform + '" id="' + yuanpengform + '" >' + varhtml + '</form>'; $("#" + target).html(tempHtml); } function cleanFile(id){ var _file = document.getElementById(id); if(_file.files){ _file.value = ""; }else{ if (typeof _file != "object"){ return null; } var _span = document.createElement("span"); _span.id = "__tt__"; _file.parentNode.insertBefore(_span,_file); var tf = document.createElement("form"); tf.appendChild(_file); document.getElementsByTagName("body")[0].appendChild(tf); tf.reset(); _span.parentNode.insertBefore(_file,_span); _span.parentNode.removeChild(_span); _span = null; tf.parentNode.removeChild(tf); } } function ajaxupload(obj){ var formid = obj.name+"Form"; var hid = obj.name+"Hi"; fileObj = obj; ajaxSub(formid,""); } function waitting() { if($("#WaitIfrmaer").length>0){$("#WaitIfrmaer").eq(0).remove();$("#waiter").eq(0).remove();$("#WaitImager").eq(0).remove()} //注册DIV var WaitDiv=document.createElement("div"); WaitDiv.setAttribute("id","waiter"); //注册IMG var WaitImg=document.createElement("img"); WaitImg.setAttribute("src",SCRIPTS_URL+"scripts/img/upload/waiter123.gif"); WaitImg.setAttribute("id","WaitImager"); //注册Ifrmae var WaitIfrmae=document.createElement("iframe"); WaitIfrmae.setAttribute("id","WaitIfrmaer"); WaitIfrmae.setAttribute("frameborder","0"); //向页面内容 document.body.appendChild(WaitIfrmae); document.body.appendChild(WaitDiv); WaitDiv.appendChild(WaitImg); //设置样式 $("html").css({"height":"100%"}); $("body").css({"height":"100%"}); $("div#waiter").css({"position":"absolute","z-index":"10000","top":"0","left":"0","width":"100%","height":document.documentElement.scrollHeight,"background":"#fff"}); $("div#waiter").fadeTo("fast",0.8); $("img#WaitImager").css({"position":"absolute","top":document.documentElement.scrollTop+400,"left":document.documentElement.scrollWidth/2}); $("iframe#WaitIfrmaer").css({"position":"absolute","z-index":"9990","top":"0","left":"0","width":"99%","height":document.documentElement.scrollHeight-30}); //测试用解除绑定事件 $($("img#WaitImager").bind("click",removeAll)) } function removeAll() { $("#WaitIfrmaer").eq(0).remove();$("#waiter").eq(0).remove();$("#WaitImager").eq(0).remove() }