HTML5:拖拽功能

发布于 2021-03-08  1398 次阅读

<!DOCTYPE HTML>
<html>

<head>
    <meta charset="utf-8">
    <title>拖拽</title>
    <style type="text/css">
        #div1 {
            width: 350px;
            height: 70px;
            padding: 10px;
            border: 1px solid #aaaaaa;
        }
    </style>
    <script>
        function allowDrop(ev) {
            ev.preventDefault();
        }

        function drag(ev) {
            ev.dataTransfer.setData("Text", ev.target.id);
        }

        function drop(ev) {
            ev.preventDefault();
            var data = ev.dataTransfer.getData("Text");
            ev.target.appendChild(document.getElementById(data));
        }
    </script>
</head>

<body>

    <p>拖动图片到矩形框中:</p>

    <div id="div1" ondrop="drop(event)" ondragover="allowDrop(event)"></div>
    <br>
    <img loading="lazy" id="drag1" src="logo.png" draggable="true" ondragstart="drag(event)" width="336" height="69">

</body>

</html>

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