效果图:
代码:(demo33.jsp)
<%@ page contentType="text/html;charset=UTF-8" language="java" %><html><head> <title>demo33.jsp</title></head><body><label for="text">名称</label><input type="text" id="text" name="name"/><label for="file">文件</label><input type="file" id="file" name="file"/><button type="button" onclick="ajaxUploadFile()">确定</button></body><script type="text/javascript"> function ajaxUploadFile() { var formData = new FormData(); var xmlhttp; if (window.XMLHttpRequest) {// code for IE7+, Firefox, Chrome, Opera, Safari xmlhttp = new XMLHttpRequest(); }else {// code for IE6, IE5 xmlhttp = new ActiveXObject("Microsoft.XMLHTTP"); } xmlhttp.open("POST","/data",true); xmlhttp.setRequestHeader("X-Requested-With", "XMLHttpRequest"); formData.append("name",document.getElementById("text").value); formData.append("file",document.getElementById("file").files[0]); xmlhttp.send(formData); xmlhttp.onreadystatechange=function() { if (xmlhttp.readyState==4) { if (xmlhttp.status==200) { console.log("上传成功"+xmlhttp.responseText); }else { console.log("上传失败"+xmlhttp.responseText); } } } }</script></html>
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