Js+php实现异步拖拽上传文件

php教程|PHP开发

异步拖拽上传文件

php教程-PHP开发

异步拖拽上传文件–小实例

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upload.html

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#box{ width:150px;height: 150px;border: 1px solid red;} window.onload = function () { var box = document.getElementById(ox); box.ondragenter = function (e) {e.preventDefault(); } box.ondragover = function (e) {e.preventDefault(); } box.ondragleave = function (e) {e.preventDefault(); } box.ondrop = function (e) {e.preventDefault();var file = e.dataTransfer.files[0];var formData = new FormData();formData.append(aa, file); var xml = ajaxFunction();xml.open("post", ./upload.php, true);xml.send(formData);xml.onreadystatechange = function () { if (xml.readyState == 4 && xml.status == 200) { var flag = xml.responseText; console.log(flag); if (flag == 1) {//box.innerHTML="上传成功";alert(上传成功); } }} }}

请拖入上传的文件

upload.php

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<?phpheader("Content-Type:text/html;charset=UTF-8");if(is_uploaded_file($_FILES[aa][ mp_name])){ move_uploaded_file($_FILES[aa][ mp_name], "./".iconv("UTF-8", "GBK", $_FILES[aa][ ame])); echo 1;}

XMLhttpReuest.js

function ajaxFunction() { var xmlHttp; try { // Firefox, Opera 8.0+, Safari xmlHttp=new XMLHttpRequest(); } catch (e) { // Internet Explorer try { xmlHttp=new ActiveXObject("Msxml2.XMLHTTP"); } catch (e) { try{xmlHttp=new ActiveXObject("Microsoft.XMLHTTP");} catch (e){alert("您的浏览器不支持AJAX！");return false;} } } return xmlHttp;}

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