Created
January 10, 2011 09:45
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| <!DOCTYPE html> | |
| <html lang="ja"> | |
| <head> | |
| <title>File API</title> | |
| <meta charset="UTF-8"> | |
| </head> | |
| <body> | |
| <h1>File API</h1> | |
| <div id="result">使用できない</div> | |
| <script> | |
| if (window.File) { | |
| document.getElementById("result").innerHTML = "使用できる"; | |
| } | |
| </script> | |
| <input type="file" id="file"> | |
| <h2>ファイル情報</h2> | |
| <input type="button" id="button" value="情報を取得"> | |
| <div id="info"></div> | |
| <script> | |
| document.getElementById("button").addEventListener("click", function () { | |
| var file = document.getElementById("file").files[0]; | |
| if (file) { | |
| var info = document.getElementById("info"); | |
| info.innerHTML = ""; | |
| for(var index in file) { | |
| info.innerHTML += index + ": " + file[index] + "<br>"; | |
| } | |
| if (file.type.match(/image\/(jpeg|png|gif)/)) { | |
| info.innerHTML += '<img src="' + file.getAsDataURL() + '"><br>'; | |
| } | |
| } else { | |
| alert("ファイルが選択されていません"); | |
| } | |
| }, false); | |
| </script> | |
| </body> | |
| </html> |
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