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效果演示： 文末获取源码
代码目录：
主要代码实现：
CSS样式：
body {
display: flex;
justify-content: center;
align-items: center;
min-height: 100vh;
background-color: #dcf3f3;
}
.overall {
background-color: #e3e7f1;
--button-width: 80px;
--button-height: 80px;
box-shadow: -8px -8px 16px -10px rgba(255, 255, 255, 1), 8px 8px 16px -10px rgba(0, 0, 0, .9);
padding: 44px 24px 24px 24px;
border-radius: 20px;
display: grid;
grid-template-areas: "result result result result" "AC plus-minus percent divide" "num-7 num-8 num-9 multiply" "num-4 num-5 num-6 subtract" "num-1 num-2 num-3 add" "num-0 num-0 dot equal";
grid-template-columns: repeat(4, var(--button-width));
grid-template-rows: repeat(6, var(--button-height));
}
/* 按钮 */
.overall button {
display: block;
outline: none;
border-radius: calc(var(--button-height)/3);
font-size: 24px;
font-family: Helvetica;
font-weight: normal;
margin: 10px;
padding: 0;
border: 0;
color: rgb(66, 85, 105);
background: linear-gradient(135deg, rgb(177, 202, 219)0%, rgba(246, 246, 246, 1)100%);
box-shadow: -4px -4px 10px -8px rgba(255, 255, 255, 1), 4px 4px 10px -8px rgba(0, 0, 0, .9);
}HTML代码 :
<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<meta http-equiv="X-UA-Compatible" content="IE=edge">
<meta name="viewport" content="width=device-width, initial-scale=1.0">
<title>简单计算器</title>
<link rel="stylesheet" type="text/css" href="css/mystyle.css" />
</head>
<body>
<div class="overall">
<div>
<input type="text" class="output" onfocus="this.blur();" value="0" id="result">
</div>
<button style="grid-area :AC " onClick="clearzero()" color:gray><b>AC</b></button>
<button style="grid-area :plus-minus" onClick="calToggle()">±</button>
<button style="grid-area :percent" onClick="calPercentage()">%</button>
<button style="grid-area :add" onClick="append('+')">+</button>
<button style="grid-area :subtract" onClick="append('-')">-</button>
<button style="grid-area :multiply" onClick="append('×')">×</button>
<button style="grid-area :divide" onClick="append('÷')">÷</button>
<button style="grid-area :equal " onClick="equal()"><b>=</b></button>
<button style="grid-area :num-1" onClick="appendNum(1)">1</button>
<button style="grid-area :num-2" onClick="appendNum(2)">2</button>
<button style="grid-area :num-3" onClick="appendNum(3)">3</button>
<button style="grid-area :num-4" onClick="appendNum(4)">4</button>
<button style="grid-area :num-5" onClick="appendNum(5)">5</button>
<button style="grid-area :num-6" onClick="appendNum(6)">6</button>
<button style="grid-area :num-7" onClick="appendNum(7)">7</button>
<button style="grid-area :num-8" onClick="appendNum(8)">8</button>
<button style="grid-area :num-9" onClick="appendNum(9)">9</button>
<button style="grid-area :num-0" onClick="appendNum(0)">0</button>
<button style="grid-area :dot" onClick="dot('.')">.</button>
</div>
<script type="text/javascript" src="js/mystyle.js"></script>
</body>
</html>上面的JS文件需要引入
源码获取
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