Embedded Files
<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<meta name="viewport" content="width=device-width, initial-scale=1.0">
<title>精美计算器</title>
<style>
* {
margin: 0;
padding: 0;
box-sizing: border-box;
font-family: "Helvetica Neue", sans-serif;
}
body {
display: flex;
justify-content: center;
align-items: center;
min-height: 100vh;
background: linear-gradient(45deg, #3498db, #8e44ad);
}
.calculator {
background: rgba(255, 255, 255, 0.1);
backdrop-filter: blur(10px);
border-radius: 15px;
padding: 20px;
box-shadow: 0 4px 30px rgba(0, 0, 0, 0.1);
}
#display {
width: 100%;
height: 80px;
font-size: 2.5rem;
text-align: right;
margin-bottom: 10px;
padding: 10px;
background: rgba(255, 255, 255, 0.2);
border: none;
border-radius: 5px;
color: #fff;
}
.buttons {
display: grid;
grid-template-columns: repeat(4, 1fr);
gap: 10px;
}
button {
padding: 15px;
font-size: 1.2rem;
border: none;
border-radius: 5px;
cursor: pointer;
background: rgba(255, 255, 255, 0.2);
color: #fff;
transition: background 0.3s;
}
button:hover {
background: rgba(255, 255, 255, 0.3);
}
.operator {
background: rgba(255, 165, 0, 0.6);
}
.operator:hover {
background: rgba(255, 165, 0, 0.8);
}
#equals {
background: rgba(46, 204, 113, 0.6);
}
#equals:hover {
background: rgba(46, 204, 113, 0.8);
}
#clear {
background: rgba(231, 76, 60, 0.6);
}
#clear:hover {
background: rgba(231, 76, 60, 0.8);
}
</style>
</head>
<body>
<div class="calculator">
<input type="text" id="display" readonly>
<div class="buttons">
<button onclick="clearDisplay()" id="clear">C</button>
<button onclick="appendToDisplay('(')">(</button>
<button onclick="appendToDisplay(')')">)</button>
<button onclick="appendToDisplay('/')" class="operator">÷</button>
<button onclick="appendToDisplay('7')">7</button>
<button onclick="appendToDisplay('8')">8</button>
<button onclick="appendToDisplay('9')">9</button>
<button onclick="appendToDisplay('*')" class="operator">×</button>
<button onclick="appendToDisplay('4')">4</button>
<button onclick="appendToDisplay('5')">5</button>
<button onclick="appendToDisplay('6')">6</button>
<button onclick="appendToDisplay('-')" class="operator">-</button>
<button onclick="appendToDisplay('1')">1</button>
<button onclick="appendToDisplay('2')">2</button>
<button onclick="appendToDisplay('3')">3</button>
<button onclick="appendToDisplay('+')" class="operator">+</button>
<button onclick="appendToDisplay('0')">0</button>
<button onclick="appendToDisplay('.')">.</button>
<button onclick="backspace()">←</button>
<button onclick="calculate()" id="equals">=</button>
</div>
</div>
<script>
function appendToDisplay(value) {
document.getElementById('display').value += value;
}
function clearDisplay() {
document.getElementById('display').value = '';
}
function calculate() {
try {
document.getElementById('display').value = eval(document.getElementById('display').value);
} catch (error) {
document.getElementById('display').value = 'Error';
}
}
function backspace() {
var value = document.getElementById('display').value;
document.getElementById('display').value = value.substr(0, value.length - 1);
}
</script>
</body>
</html>
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