ADD file via upload

main
huangxiaotong 1 month ago
parent d05e6ebc20
commit 91cd638206

@ -1,34 +1,142 @@
<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<meta name="viewport" content="width=device-width, initial-scale=1.0">
<title>简易计算器</title>
<link rel="stylesheet" href="styles.css">
<title>计算器</title>
<style>
/* 设置顶部标题栏样式 */
#top {
width: 450px;
height: 50px;
margin: auto;
background-color: #4278bb;
border-radius: 10px 10px 0px 0px;
}
/* 设置标题样式 */
#calc-title {
font-size: 22px;
color: white;
float: left;
margin: 10px 10px 0px 200px;
}
/* 设置结果显示样式 */
#result {
width: 445px;
height: 60px;
margin: auto;
font-size: 40px;
background-color: white;
border: solid 3px #4278bb;
}
/* 设置按钮样式 */
#button {
width: 450px;
height: 422px;
background-color: #4278bb;
margin: auto;
}
#button div {
width: 108px;
height: 80px;
float: left;
background-color: #7ecbff;
margin: 2px;
line-height: 80px;
text-align: center;
font-size: 26px;
}
#button div:hover {
background-color: rgb(48, 149, 203);
}
</style>
<script type="text/javascript">
// 传递输入的数字
function clickNumber(number) {
var result = document.getElementById("result");
result.innerHTML = result.innerHTML + number;
}
//传递输入运算符
function clickOperator(operator) {
var result = document.getElementById("result");
var string = result.innerHTML;
var len = string.length;
var last = string.charAt(len - 1);
if (last == "+" || last == "-" || last == "*" || last == "/" || last == "%") {
var temp = string.substr(0, len - 1) + operator;
result.innerHTML = temp;
} else {
result.innerHTML += operator;
}
}
// 输入小数点
function clickPonit() {
var result = document.getElementById("result");
var string = result.innerHTML;
var len = string.length;
var last = string.charAt(len - 1);
if (last !== ".") {
result.innerHTML = result.innerHTML + ".";
} else {
result.innerHTML = result.innerHTML;
}
}
// 清空输入
function clearresult() {
var result = document.getElementById("result");
result.innerHTML = "";
}
// 删除操作
function del() {
var result = document.getElementById("result");
var string = result.innerHTML;
if (string.length > 0) {
result.innerHTML = string.slice(0, -1);
}
}
// 计算结果eval参数
function doCalc() {
var result = document.getElementById("result");
var expression = result.innerHTML;
result.innerHTML = eval(expression);
}
</script>
</head>
<body>
<div class="calculator">
<input type="text" id="display" disabled>
<div class="buttons">
<button onclick="appendNumber(7)">7</button>
<button onclick="appendNumber(8)">8</button>
<button onclick="appendNumber(9)">9</button>
<button onclick="chooseOperation('/')">/</button>
<button onclick="appendNumber(4)">4</button>
<button onclick="appendNumber(5)">5</button>
<button onclick="appendNumber(6)">6</button>
<button onclick="chooseOperation('*')">*</button>
<button onclick="appendNumber(1)">1</button>
<button onclick="appendNumber(2)">2</button>
<button onclick="appendNumber(3)">3</button>
<button onclick="chooseOperation('-')">-</button>
<button onclick="clearDisplay()">C</button>
<button onclick="appendNumber(0)">0</button>
<button onclick="appendDecimal('.')">.</button>
<button onclick="calculateResult('=')">=</button>
<button onclick="chooseOperation('+')">+</button>
</div>
<div id="top">
<div id="calc-title">计算器</div>
</div>
<div id="result">
</div>
<div id="button">
<div onclick="clearresult()">AC</div>
<div onclick="clickOperator('/')">÷</div>
<div onclick="clickOperator('*')">x</div>
<div onclick="del()">删除</div>
<div onclick="clickNumber(7)">7</div>
<div onclick="clickNumber(8)">8</div>
<div onclick="clickNumber(9)">9</div>
<div onclick="clickOperator('%')">%</div>
<div onclick="clickNumber(4)">4</div>
<div onclick="clickNumber(5)">5</div>
<div onclick="clickNumber(6)">6</div>
<div onclick="clickOperator('-')">-</div>
<div onclick="clickNumber(1)">1</div>
<div onclick="clickNumber(2)">2</div>
<div onclick="clickNumber(3)">3</div>
<div onclick="clickOperator('+')">+</div>
<div></div>
<div onclick="clickNumber(0)">0</div>
<div onclick="clickPonit()">.</div>
<div onclick="doCalc()">=</div>
</div>
<script src="script.js"></script>
</body>
</html>

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