Merge remote-tracking branch 'origin/lwt'

2 months ago · 0f8cb888ad
parent 50d9f1b409 4ef35c034e
commit 0f8cb888ad
1 changed files with 106 additions and 0 deletions
--- a/calc.html
+++ b/calc.html
@ -0,0 +1,106 @@
 <!DOCTYPE html>
 <html lang="zh">
 <head>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>简易计算器</title>
    <style>
        body {
            font-family: Arial, sans-serif;
            display: flex;
            justify-content: center;
            align-items: center;
            height: 100vh;
            background-color: #f4f4f4;
        }
        .calculator {
            background: white;
            padding: 20px;
            border-radius: 10px;
            box-shadow: 0 0 10px rgba(0, 0, 0, 0.1);
            width: 300px;
        }
        input[type="text"] {
            width: 100%;
            padding: 10px;
            margin-bottom: 10px;
            border: 1px solid #100909;
            border-radius: 5px;
            text-align: right;
            font-size: 1.5em;
        }
        button {
            width: 60px;
            height: 60px;
            margin: 5px;
            border: none;
            border-radius: 5px;
            cursor: pointer;
            background-color: #eaedf1;
            color: rgb(145, 10, 10);
            font-size: 1.5em;
        }
    </style>
 </head>
 <body>
 <div class="calculator">
    <input type="text" id="display" placeholder="0" disabled>
    <div>
        <button onclick="appendToDisplay('7')">7</button>
        <button onclick="appendToDisplay('8')">8</button>
        <button onclick="appendToDisplay('9')">9</button>
        <button class="operator" onclick="appendToDisplay('/')">÷</button>
    </div>
    <div>
        <button onclick="appendToDisplay('4')">4</button>
        <button onclick="appendToDisplay('5')">5</button>
        <button onclick="appendToDisplay('6')">6</button>
        <button class="operator" onclick="appendToDisplay('*')">×</button>
    </div>
    <div>
        <button onclick="appendToDisplay('1')">1</button>
        <button onclick="appendToDisplay('2')">2</button>
        <button onclick="appendToDisplay('3')">3</button>
        <button class="operator" onclick="appendToDisplay('-')">−</button>
    </div>
    <div>
        <button onclick="appendToDisplay('0')">0</button>
        <button class="clear" onclick="clearDisplay()">C</button>
        <button class="operator" onclick="calculateResult()">=</button>
        <button class="operator" onclick="appendToDisplay('+')">+</button>
    </div>
    <div>
        <button class="operator" onclick="appendToDisplay('%')">%</button>
    </div>
 </div>
 <script>
    function appendToDisplay(value) {
        const display = document.getElementById('display');
        if (display.value === "0") {
            display.value = value; // Replace zero if it's the first number
        } else {
            display.value += value; // Append the value
        }
    }
    function clearDisplay() {
        document.getElementById('display').value = '0';
    }
    function calculateResult() {
        const display = document.getElementById('display');
        try {
            // Replace symbols for eval
            let expression = display.value.replace(/×/, '*').replace(/÷/, '/');
            display.value = eval(expression);
        } catch (error) {
            display.value = "错误";
        }
    }
 </script>
 </body>
 </html>