zyckk4.github.io/keyboard_test.html at main · zyckk4/zyckk4.github.io · GitHub

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<!DOCTYPE html>
<html lang="zh">
<head>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>键盘检测</title>
    <style>
        body {
            font-family: "微软雅黑", sans-serif;
            text-align: center;
            background-color: #f0f0f0;
        }

        h1 {
            margin: 50px 0;
            color: #4a4a4a;
        }

        p {
            font-size: 18px;
            color: #4a4a4a;
        }

        #output {
            font-size: 24px;
            margin: 20px 0;
            color: #333;
            border: 2px solid #4a4a4a;
            border-radius: 5px;
            padding: 20px;
            background-color: #ffffff;
        }
    </style>
    <script>
        var pressedKeys = {};
        var lastPressedKey = "";
        var lastPressedKeyCode = "";

        function keyDown(event) {
            var key = event.key;
            var code = event.code;
            pressedKeys[code] = key;
            lastPressedKey = key;
            lastPressedKeyCode = code;
            displayKeys();
        }

        function keyUp(event) {
            var code = event.code;
            delete pressedKeys[code];
            displayKeys();
        }

        function displayKeys() {
            var output = document.getElementById("output");
            var keys = Object.values(pressedKeys).join(', ');
            output.innerHTML = "按下的键: " + keys + "<br>最后按下的键: " + lastPressedKey + " (代码: " + lastPressedKeyCode + ")";
        }
    </script>
</head>
<body onkeydown="keyDown(event)" onkeyup="keyUp(event)">
    <h1>键盘检测</h1>
    <p>请按下任意键：</p>
    <div id="output"></div>
</body>
</html>