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drop.php
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drop.php
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<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3***/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html xmlns="http://www.w3***/1999/xhtml">
<head>
<meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
<title>无标题文档</title>
<style type="text/css">
/*#drop_area{ width:300px; height:200px; background-color:#CCC; border:2px dashed #000000; text-align:center;}*/
</style>
<script src="js/jquery.min.js"></script>
<script type="text/javascript">
$(function(){
//...接上部分
var box = document.getElementById('drop_area'); //拖拽区域
box.addEventListener("drop",function(e){
e.preventDefault(); //取消默认浏览器拖拽效果
var fileList = e.dataTransfer.files; //获取文件对象
//检测是否是拖拽文件到页面的操作
if(fileList.length == 0){
return false;
}
//检测文件是不是图片
if(fileList[0].type.indexOf('image') === -1){
alert("您拖的不是图片！");
return false;
}
console.log(fileList[0]);
//拖拉图片到浏览器，可以实现预览功能
var img = window.webkitURL.createObjectURL(fileList[0]);
var filename = fileList[0].name; //图片名称
var filesize = Math.floor((fileList[0].size)/1024);
if(filesize>500){
alert("上传大小不能超过500K.");
return false;
}
var str = "<img src='"+img+"'><p>图片名称："+filename+"</p><p>大小："+filesize+"KB</p>";
$("body").append(str);
//上传
// xhr = new XMLHttpRequest();
// xhr.open("post", "upload.php", true);
// xhr.setRequestHeader("X-Requested-With", "XMLHttpRequest");
// var fd = new FormData();
// fd.append('mypic', fileList[0]);
// xhr.send(fd);
},false);
});
</script>
</head>
<body>
<textarea name="" id="drop_area" cols="30" rows="10"></textarea>
<span style="color: #000;">asdfasdfsadf</span>
</body>
</html>