无刷新上传文件
兼容主流浏览器
<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.0 Transitional//EN"> <HTML> <HEAD> <TITLE> New Document </TITLE> <META NAME="Generator" CONTENT="EditPlus"> <META NAME="Author" CONTENT=""> <META NAME="Keywords" CONTENT=""> <META NAME="Description" CONTENT=""> <script type="text/javascript"> /*附件添加提示*/ function getFirefoxTip(form) { var tipDiv=document.createElement("div"); tipDiv.style.cssText="width:100px;font:12px Arial;color:#00f;text-decoration:underline"; tipDiv.innerHTML="添加一个附件"; tipDiv.onclick=function() { var i=form.getAttribute("count")||0; createInput(form,parseInt(i)+1); }; form.appendChild(tipDiv); } /*删除已经添加的附件项*/ function removeChild(parent,child) { var i=parent.getAttribute("count"); parent.removeChild(child); i--; if(i==0) { parent.lastChild.innerHTML="添加一个附件"; } parent.setAttribute("count",i); } /* 添加移除项*/ function getRemove(form,node) { var span=document.createElement("span"); span.style.cssText="font:10px Arial;color:#00f;text-decoration:underline;"; span.innerHTML="移除"; span.onclick=function(){removeChild(form,node);} return span; } /*文件选择框*/ function createInput(form,inputIndex) { var i=inputIndex||0; if(i==0) { getFirefoxTip(form);; } else { var inputDiv=document.createElement("div"); var input=document.createElement("input"); input.setAttribute("type","file"); input.setAttribute("name","file_"+i); inputDiv.appendChild(input); inputDiv.appendChild(getRemove(form,inputDiv)); form.insertBefore(inputDiv,form.lastChild); form.setAttribute("count",i); form.lastChild.innerHTML="再添加一个附件"; } } /*初始化*/ function init() { createInput(document.forms['uploadForm']); } </script> </HEAD> <BODY onload="init()"> <form name="uploadForm" action="/upload.do" target="upload" enctype="multipart/form-data" method="post"></form> <iframe name="upload" style="display:none"></iframe> </BODY></HTML>?
?
?