分享

JavaScript实现桌面图标推拽直接上传

 quasiceo 2012-12-16

JavaScript实现桌面图标推拽直接上传

发布时间:2012-07-27 发布来源:

1、https://groups.google.com/forum/?groups#!msg/refinery-cms/L_PbN3wCimA/BinrRlj2a54J

任何事物都无法抗拒吞食一切的时候。

学科学,是一口气也松不得的;科学的成绩就是毅力加耐性。<!DOCTYPE html>

<html xmlns="http://www./1999/xhtml">

<head>

<meta http-equiv="Content-Type" content="text/html; charset=iso-8859-1" />

<style type="text/css">

#filedrag{

display: none; ?

font-weight: bold; ?

text-align: center; ?

padding: 1em 0; ?

margin: 1em 0; ?

color: #555; ?

border: 2px dashed #555; ?

border-radius: 7px; ?

cursor: default; ?

}

#filedrag.hover{

color: #f00;

border-color: #f00;

border-style: solid;

box-shadow: inset 0 3px 4px #888;

}

#filedrag{

display: none; ?

font-weight: bold; ?

text-align: center; ?

padding: 1em 0; ?

margin: 1em 0; ?

color: #555; ?

border: 2px dashed #555; ?

border-radius: 7px; ?

cursor: default; ?

}

#filedrag.hover{

color: #f00;

border-color: #f00; ?

border-style: solid; ?

box-shadow: inset 0 3px 4px #888; ?

}

</style>

<script type="text/javascript">

window.onload = function(){

if (window.File && window.FileList && window.FileReader) { ?

Init();

}

// initialize

function Init() {

var file = document.getElementById("file"), ?

filedrag = document.getElementById("filedrag"), ?

submitbutton =document.getElementById("submitbutton"); ?

// file ?

file.addEventListener("change", FileSelectHandler, false); ?

// is XHR2 available? ?

var xhr = new XMLHttpRequest();

if (xhr.upload) {

// file drop

filedrag.addEventListener("dragover", FileDragHover, false); ?

filedrag.addEventListener("dragleave", FileDragHover, false); ?

filedrag.addEventListener("drop", FileSelectHandler, false); ?

filedrag.style.display = "block"; ?

// remove submit button ?

submitbutton.style.display = "none"; ?

}

}

//status output information ?

function Output(msg) { ?

var m = document.getElementById("messages"); ?

m.innerHTML = msg + m.innerHTML; ?

}

function FileDragHover(e) { ?

e.stopPropagation();

e.preventDefault(); ?

e.target.className = (e.type == "dragover" ? "hover" : ""); ?

}

function FileSelectHandler(e) {

// cancel event and hover styling

FileDragHover(e);

// fetch FileList object ?

var files = e.target.files || e.dataTransfer.files; ?

// process all File objects ?

for (var i = 0, f; f = files[i]; i++) { ?

ParseFile(f); ?

}

}

function ParseFile(file) { ?

Output( ?

"<p>File information: <strong>" + file.name + ?

"</strong> type: <strong>" + file.type + ?

"</strong> size: <strong>" + file.size + ?

"</strong> bytes</p>" ?

);

}

}

</script>

</head>

<body>

<div id="output" class="clearfix">

<ul id="output-listing01"></ul>

</div>

<form id="upload" action="upload.php" method="POST" enctype="multipart/form-data">

<fieldset>

<legend>HTML File Upload</legend> ?

<input type="hidden" id="MAX_FILE_SIZE" name="MAX_FILE_SIZE" value="300000" />

<div>

<label for="file">Files to upload:</label> ?

<input type="file" id="file" name="file[]" multiple="multiple" />

<div id="filedrag">or drop files here</div> ?

</div>

<div id="submitbutton"> ?

<button type="submit">Upload Files</button> ?

</div>

</fieldset>

</form>

<div id="messages">

<p>Status Messages</p>

</div>?

</body>

</html>

    本站是提供个人知识管理的网络存储空间,所有内容均由用户发布,不代表本站观点。请注意甄别内容中的联系方式、诱导购买等信息,谨防诈骗。如发现有害或侵权内容,请点击一键举报。
    转藏 分享 献花(0

    0条评论

    发表

    请遵守用户 评论公约

    类似文章 更多