码农公社 210.net.cn 210是何含义？10月24日是程序员节，1024 =210、210既
210
之意。
AJAX拖拽上传功能实现，供大家参考，具体内容如下
html>
Document.box {
width: 300px;
height: 300px;
border: 1px solid #000;
text-align: center;
line-height: 300px;
font-size: 40px;
}
var box = document.querySelector('.box');
box.ondragover = function (e) {
e.preventDefault();
}
box.ondrop = function (e) {
console.log(e.dataTransfer)
e.preventDefault();
var xhr = new XMLHttpRequest();
xhr.onreadystatechange = function () {
if (xhr.readyState == 4 && xhr.status == 200) {
console.log(xhr.responseText)
}
}
xhr.open('POST', './server.php', true);
var formdata = new FormData();
formdata.append('pic', e.dataTransfer.files[0]);
formdata.append('name', 'luyao');
xhr.send(formdata);
}
server.php
$rand = rand(1,1000).'.jpg';
move_uploaded_file($_FILES['pic']['tmp_name'], './uploads/'.$rand);
echo '/uploads/'.$rand;