日历组件html-526互联

<!DOCTYPE html>
<html>
<head>
	<title>Calendar Component</title>
	<style>
		body {
			font-family: Arial, sans-serif;
			background-color: #f2f2f2;
		}
		h1 {
			text-align: center;
			margin-top: 50px;
			margin-bottom: 20px;
			color: #333;
		}
		.container {
			max-width: 600px;
			margin: 0 auto;
			padding: 20px;
			background-color: #fff;
			box-shadow: 0 0 10px rgba(0,0,0,0.2);
		}
		.navigation {
			display: flex;
			align-items: center;
			justify-content: space-between;
			margin-bottom: 20px;
		}
		.navigation button {
			background-color: #333;
			color: #fff;
			border: none;
			border-radius: 4px;
			padding: 10px 20px;
			cursor: pointer;
		}
		.navigation button:hover {
			background-color: #555;
		}
		.current-month {
			font-size: 24px;
			font-weight: bold;
			color: #333;
		}
		.selectors {
			display: flex;
			align-items: center;
			justify-content: center;
			margin-bottom: 20px;
		}
		.selectors select {
			background-color: #fff;
			color: #333;
			border: 1px solid #ccc;
			border-radius: 4px;
			padding: 10px;
			margin: 0 10px;
			cursor: pointer;
		}
		table {
			border-collapse: collapse;
			margin: 0 auto;
			width: 100%;
			max-width: 600px;
			table-layout: fixed;
		}
		td {
			border: 1px solid #ccc;
			width: 30px;
			height: 30px;
			text-align: center;
			vertical-align: middle;
			font-size: 14px;
			color: #333;
		}
		td.today {
			background-color: #333;
			color: #fff;
		}
		.today-button {
			background-color: #333;
			color: #fff;
			border: none;
			border-radius: 4px;
			padding: 10px 20px;
			cursor: pointer;
			margin-left: 20px;
		}
		.today-button:hover {
			background-color: #555;
		}
	</style>
</head>
<body>
	<div class="container">
		<h1>Calendar Component</h1>
		<div class="selectors">
			<select id="monthSelector" onchange="changeMonth()">
				<option value="0">January</option>
				<option value="1">February</option>
				<option value="2">March</option>
				<option value="3">April</option>
				<option value="4">May</option>
				<option value="5">June</option>
				<option value="6">July</option>
				<option value="7">August</option>
				<option value="8">September</option>
				<option value="9">October</option>
				<option value="10">November</option>
				<option value="11">December</option>
			</select>
			<select id="yearSelector" onchange="changeYear()">
			</select>
			<button class="today-button" onclick="goToToday()">Today</button>
		</div>
		<div class="navigation">
			<button onclick="previousMonth()">Previous Month</button>
			<span class="current-month" id="currentMonth"></span>
			<button onclick="nextMonth()">Next Month</button>
		</div>
		<table id="calendar"></table>
	</div>
	<script>
		var months = ["January", "February", "March", "April", "May", "June", "July", "August", "September", "October", "November", "December"];
		var currentMonthIndex = new Date().getMonth();
		var currentYear = new Date().getFullYear();
		var calendar = document.getElementById("calendar");
		var currentMonth = document.getElementById("currentMonth");
		var monthSelector = document.getElementById("monthSelector");
		var yearSelector = document.getElementById("yearSelector");
		currentMonth.innerHTML = months[currentMonthIndex] + " " + currentYear;

		function generateCalendar() {
			var daysInMonth = new Date(currentYear, currentMonthIndex + 1, 0).getDate();
			var firstDayOfMonth = new Date(currentYear, currentMonthIndex, 1).getDay();
			var rows = Math.ceil((daysInMonth + firstDayOfMonth) / 7);
			var date = 1;
			for (var i = 0; i < rows; i++) {
				var row = document.createElement("tr");
				for (var j = 0; j < 7; j++) {
					if (i === 0 && j < firstDayOfMonth) {
						var cell = document.createElement("td");
						var cellText = document.createTextNode("");
						cell.appendChild(cellText);
						row.appendChild(cell);
					} else if (date > daysInMonth) {
						break;
					} else {
						var cell = document.createElement("td");
						var cellText = document.createTextNode(date);
            if (date === new Date().getDate() && currentMonthIndex === new Date().getMonth() && currentYear === new Date().getFullYear()) {
            cell.classList.add("today");
            cell.style.color = "#fff";
            }
						cell.appendChild(cellText);
						row.appendChild(cell);
						date++;
					}
				}
				calendar.appendChild(row);
			}
		}
		generateCalendar();

		function clearCalendar() {
			while (calendar.firstChild) {
				calendar.removeChild(calendar.firstChild);
			}
		}

		function previousMonth() {
			clearCalendar();
			if (currentMonthIndex === 0) {
				currentMonthIndex = 11;
				currentYear--;
			} else {
				currentMonthIndex--;
			}
			currentMonth.innerHTML = months[currentMonthIndex] + " " + currentYear;
			monthSelector.value = currentMonthIndex;
			yearSelector.value = currentYear;
			generateCalendar();
		}

		function nextMonth() {
			clearCalendar();
			if (currentMonthIndex === 11) {
				currentMonthIndex = 0;
				currentYear++;
			} else {
				currentMonthIndex++;
			}
			currentMonth.innerHTML = months[currentMonthIndex] + " " + currentYear;
			monthSelector.value = currentMonthIndex;
			yearSelector.value = currentYear;
			generateCalendar();
		}

		function changeMonth() {
			clearCalendar();
			currentMonthIndex = parseInt(monthSelector.value);
			currentMonth.innerHTML = months[currentMonthIndex] + " " + currentYear;
			generateCalendar();
		}

		function changeYear() {
			clearCalendar();
			currentYear = parseInt(yearSelector.value);
			currentMonth.innerHTML = months[currentMonthIndex] + " " + currentYear;
			generateCalendar();
		}

		function goToToday() {
			clearCalendar();
			currentMonthIndex = new Date().getMonth();
			currentYear = new Date().getFullYear();
			currentMonth.innerHTML = months[currentMonthIndex] + " " + currentYear;
			monthSelector.value = currentMonthIndex;
			yearSelector.value = currentYear;
			generateCalendar();
		}

		// 添加年份选项
		var currentYear = new Date().getFullYear();
		for (var i = currentYear - 10; i <= currentYear + 10; i++) {
			var option = document.createElement("option");
			option.value = i;
			option.text = i;
			yearSelector.appendChild(option);
		}
		yearSelector.value = currentYear;
	</script>
</body>
</html>