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file.html
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73 lines (62 loc) · 2.18 KB
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<!doctype html>
<html>
<head>
<title>File API</title>
<meta charset="UTF-8">
</head>
<body>
<input type="file" id="input" name="files[]" multiple>
<div id="output"></div>
<!-- File APIが使えるかの判定 -->
<script type="text/javascript">
if(window.File){
alert("window.Fileを利用できます");
} else {
alert("window.Fileを利用できません");
}
</script>
<!-- ファイルの名前 種類 サイズを取得する -->
<script type="text/javascript">
document.getElementById("input").addEventListener("change", function(event) {
var files = document.getElementById("input").files;
var output = document.getElementById("output");
for(var i = 0; i < files.length; i++) {
var f = files[i];
output.innerHTML += "名前:" + f.name + " 種類" + f.type + " サイズ" + f.size/1000 + "KB/URN" + f.urn + "<br>";
}
}, true);
</script>
<!-- テキストファイルを読み込む -->
<!-- chromeの場合はaddEventListenerメソッドが未実装のためイベントはイドラonに書き換える -->
<script type="text/javascript">
window.addEventListener("load", function() {
document.getElementById("input2").addEventListener("change", function(event){
var files = document.getElementById("input2").files;
var output2 = document.getElementById("output2");
var f = files[0];
var fr = new FileReader();
fr.readAsText(f, "utf-8");
fr.addEventListener("load", function(event) {
var res = fr.result;
output2.innerHTML = res.replace(/(\n|\r)/g, "<be />");
}, true);
}, true);
}, true);
</script>
<input type="file" id="input2" name="files[]">
<div id="output2"></div>
<script type="text/javascript">
var worker = new Worker("file_sync.js");
document.getElementById("send").addEventListener("click", function(event) {
var files = document.getElementById("file").files;
worker.postMessage(files[0]);
}, true);
worker.addEventListener("message", function(event) {
ret = event.data;
var img = document.createElement("img");
img.src = ret;
document.getElementById("output").appendChild(img);
}, true);
</script>
</body>
</html>