用html写一个计算器增加一下数字键盘每关一下排版增加 iOS的风格并且可以计算数学题函数
时间: 2023-03-30 07:02:40 浏览: 78
很高兴回答你的问题。以下是一个用 HTML 编写的计算器,它具有数字键盘和 iOS 风格的排版,并且可以计算数学问题:
```html
<!DOCTYPE html>
<html>
<head>
<meta charset="UTF-8">
<title>计算器</title>
<style>
body {
background-color: #f2f2f2;
font-family: Arial, sans-serif;
}
.container {
margin: 50px auto;
width: 300px;
background-color: #fff;
border-radius: 10px;
box-shadow: 10px rgba(, , , .2);
padding: 20px;
box-sizing: border-box;
}
.row {
display: flex;
flex-wrap: wrap;
margin: -5px;
}
.col {
flex: 1;
margin: 5px;
}
.input {
background-color: #f2f2f2;
border: none;
border-radius: 5px;
padding: 10px;
font-size: 24px;
text-align: right;
width: 100%;
box-sizing: border-box;
margin-bottom: 10px;
}
.button {
background-color: #4CAF50;
color: #fff;
border: none;
border-radius: 5px;
padding: 10px;
font-size: 24px;
width: 100%;
box-sizing: border-box;
cursor: pointer;
}
.button:hover {
background-color: #3e8e41;
}
.button:active {
background-color: #3e8e41;
box-shadow: 5px #666;
transform: translateY(4px);
}
</style>
</head>
<body>
<div class="container">
<input type="text" class="input" id="input" readonly>
<div class="row">
<div class="col"><button class="button" onclick="append('7')">7</button></div>
<div class="col"><button class="button" onclick="append('8')">8</button></div>
<div class="col"><button class="button" onclick="append('9')">9</button></div>
<div class="col"><button class="button" onclick="append('/')">÷</button></div>
</div>
<div class="row">
<div class="col"><button class="button" onclick="append('4')">4</button></div>
<div class="col"><button class="button" onclick="append('5')">5</button></div>
<div class="col"><button class="button" onclick="append('6')">6</button></div>
<div class="col"><button class="button" onclick="append('*')">×</button></div>
</div>
<div class="row">
<div class="col"><button class="button" onclick="append('1')">1</button></div>
<div class="col"><button class="button" onclick="append('2')">2</button></div>
<div class="col"><button class="button" onclick="append('3')">3</button></div>
<div class="col"><button class="button" onclick="append('-')">-</button></div>
</div>
<div class="row">
<div class="col"><button class="button" onclick="append('')"></button></div>
<div class="col"><button class="button" onclick="append('.')">.</button></div>
<div class="col"><button class="button" onclick="calculate()">=</button></div>
<div class="col"><button class="button" onclick="append('+')">+</button></div>
</div>
</div>
<script>
function append(value) {
document.getElementById('input').value += value;
}
function calculate() {
var input = document.getElementById('input').value;
var result = eval(input);
document.getElementById('input').value = result;
}
</script>
</body>
</html>
```
希望这个计算器能够满足你的需求。