二款php ajax文件上传代码这两款ajax文件上传代码其实都是利用了js的iframe或ajax post来实现的下面来看看代码吧。

二款php教程 ajax文件上传代码
这两款ajax文件上传代码其实都是利用了js的iframe或ajax post来实现的下面来看看代码吧。

ajax file upload sample

<br><script language="网页特效"> <br />// 上传函数 <br />function btn_send.onclick() { <br />data = "" <br />spliter = "-------7d8d733180846" <br />datadata = data + spliter + "rn" <br />datadata = data + "content-disposition: form-data; name="photofile"; filename="c:a.txt"rn" <br />// datadata = data + "content-type: image/pjpeg" + vbcrlf <br />datadata = data + "content-type: text/plain" + "rn" + "rn" <br />text = "my name is wilson lin." <br />postlength = text.length + data.length + 2 + spliter.length + 4 <br />package = data + text + "rn" + spliter + "--rn"<p>alert(package) <br />// 把xml文档发送到web服务器 <br />var xmlhttp = new activexobject("microsoft.xmlhttp"); <br />xmlhttp.open("post","./upload.php",false); <br />xmlhttp.setrequestheader("content-type", "multipart/form-data; boundary=-----7d8d733180846"); <br />xmlhttp.setrequestheader("content-length", postlength); <br />xmlhttp.send(package); <br />// 显示服务器返回的信息 <br />result.innerhtml=xmlhttp.responsetext; <br />} <br /></script> <br>

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