2020-12-16

深藏阁楼爱情的钟 2022-12-28 09:16 63阅读 0赞

<!doctype html>
    <html>
    <head>
    <meta charset="utf-8">
    <meta name="description" content="在线Base64生成转换小工具，可以实现任意文件转Base64 Data-URI编码，文件往页面中一拖即可。" />
    <meta name="keywords" content="base64, FileReader, readAsDataURL, 文件" />
     
    <title>任意文件转base64-直接拖进来</title>
    <style>
        body { word-break: break-all; margin: 0 1em; min-height: 100vh; font-family: Consolas, "Andale Mono", "Lucida Console", "Lucida Sans Typewriter", Monaco, "Courier New", monospace; overflow: hidden;}
        .empty::before{position: absolute; font-size: 50px; content: '任意文件\A拖到这里'; white-space: pre; left: 50%; top: 50%; transform: translate(-50%,-50%); color: gray;}
    </style>
    </head>
    <body class="empty">
    <script>
        window.addEventListener("dragenter", function(event) { event.preventDefault(); }, false);
        window.addEventListener("dragover", function(event) { event.preventDefault(); }, false);
        window.addEventListener("drop", function(event) {
            var reader = new FileReader();
            reader.onload = function(e) {
                document.body.insertAdjacentHTML("afterBegin", '<p>' + e.target.result + '</p>');
                document.body.classList.remove('empty');
            };
            reader.readAsDataURL(event.dataTransfer.files[0]);
            event.preventDefault();
        }, false);
    </script>
    
    </body>
    </html>

2020-12-16

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