计算器‘

qweqweqw qweqwe
1 month ago · 789df3590c
commit 789df3590c
1 changed files with 99 additions and 0 deletions
--- a/计算器.html
+++ b/计算器.html
@ -0,0 +1,99 @@
 <!DOCTYPE html>
 <html lang="en">
 <head>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>计算器</title>
    <style>
        body {
            display: flex;
            justify-content: center;
            align-items: center;
            height: 100vh;
            background-color: #f0f0f0;
        }
        #calculator {
            border: 1px solid #ccc;
            border-radius: 10px;
            padding: 20px;
            background-color: #fff;
        }
        #display {
            width: 100%;
            height: 50px;
            margin-bottom: 10px;
            font-size: 1.5em;
            text-align: right;
            padding: 10px;
            box-sizing: border-box;
        }
        .button {
            width: 23%;
            padding: 15px;
            margin: 1%;
            font-size: 1.2em;
            cursor: pointer;
            border: none;
            border-radius: 5px;
            background-color: #ddd;
        }
        .button:hover {
            background-color: #ccc;
        }
    </style>
 </head>
 <body>
 <div id="calculator">
    <input type="text" id="display" disabled>
    <div>
        <button class="button" onclick="clearDisplay()">C</button>
        <button class="button" onclick="appendToDisplay('%')">%</button>
        <button class="button" onclick="appendToDisplay('/')">/</button>
        <button class="button" onclick="appendToDisplay('*')">*</button>
    </div>
    <div>
        <button class="button" onclick="appendToDisplay('7')">7</button>
        <button class="button" onclick="appendToDisplay('8')">8</button>
        <button class="button" onclick="appendToDisplay('9')">9</button>
        <button class="button" onclick="appendToDisplay('-')">-</button>
    </div>
    <div>
        <button class="button" onclick="appendToDisplay('4')">4</button>
        <button class="button" onclick="appendToDisplay('5')">5</button>
        <button class="button" onclick="appendToDisplay('6')">6</button>
        <button class="button" onclick="appendToDisplay('+')">+</button>
    </div>
    <div>
        <button class="button" onclick="appendToDisplay('1')">1</button>
        <button class="button" onclick="appendToDisplay('2')">2</button>
        <button class="button" onclick="appendToDisplay('3')">3</button>
        <button class="button" onclick="calculateResult()">=</button>
    </div>
    <div>
        <button class="button" onclick="appendToDisplay('0')">0</button>
        <button class="button" onclick="appendToDisplay('.')">.</button>
    </div>
 </div>
 <script>
    function appendToDisplay(value) {
        document.getElementById('display').value += value;
    }
    function clearDisplay() {
        document.getElementById('display').value = '';
    }
    function calculateResult() {
        try {
            let result = eval(document.getElementById('display').value);
            document.getElementById('display').value = result;
        } catch (e) {
            document.getElementById('display').value = '错误';
        }
    }
 </script>
 </body>
 </html>