示例页面,亲测chatgpt生成的代码可用,太强大了
https://www.goodtools.xyz/cn/t/visavalidity.php
一直困扰于计算方法,没想到几秒钟就做好了,太强大了。chatgpt生成的代码如下:
HTML:
```
<!DOCTYPE html>
<html>
<head>
<title>计算签证有效期</title>
<link rel="stylesheet" type="text/css" href="style.css">
</head>
<body>
<div class="container">
<h1>计算签证有效期</h1>
<form>
<label for="startDate">入境日期:</label>
<input type="date" id="startDate">
<label for="validDays">签证有效期:</label>
<input type="number" id="validDays" placeholder="请输入签证有效期(天)">
<button type="button" onclick="calculate()">计算</button>
</form>
<div id="result"></div>
</div>
<script src="app.js"></script>
</body>
</html>
```
CSS:
```
.container {
max-width: 800px;
margin: 0 auto;
padding: 20px;
}
h1 {
text-align: center;
}
form {
margin-bottom: 20px;
}
label {
display: inline-block;
width: 120px;
}
input[type="date"], input[type="number"] {
width: 200px;
padding: 6px;
border-radius: 4px;
border: 1px solid #ccc;
}
button {
padding: 6px 12px;
background-color: #4CAF50;
color: #fff;
border: none;
border-radius: 4px;
cursor: pointer;
}
button:hover {
background-color: #3e8e41;
}
#result {
margin-top: 20px;
font-size: 20px;
text-align: center;
}
```
JavaScript:
```
function calculate() {
const startDateInput = document.getElementById("startDate");
const validDaysInput = document.getElementById("validDays");
const startDate = new Date(startDateInput.value);
const validDays = parseInt(validDaysInput.value);
if (startDate && validDays) {
const leavingDate = new Date(startDate.getTime() + validDays * 24 * 60 * 60 * 1000);
const resultDiv = document.getElementById("result");
resultDiv.innerHTML = `您应该在${leavingDate.getFullYear()}年${leavingDate.getMonth() + 1}月${leavingDate.getDate()}日前离境。`;
} else {
alert("请输入完整的信息。");
}
}
```