在线POST请求工具 - 轻松发送HTTP POST请求 - 常规

<!DOCTYPE html>
<html>
<head>
	<title>在线POST请求工具 - 轻松发送HTTP POST请求</title>
	<meta charset='utf-8'>
	<style>
		body {
			margin: 0;
			padding: 0;
			background-color: #f2f2f2;
		}
		h1 {
			text-align: center;
			margin-top: 50px;
			font-size: 36px;
			color: #333;
		}
		form {
			width: 50%;
			margin: 0 auto;
			background-color: #fff;
			padding: 30px;
			box-shadow: 0 0 10px #ccc;
			border-radius: 5px;
			margin-top: 50px;
		}
		label {
			display: block;
			margin-bottom: 10px;
			font-size: 18px;
			color: #333;
		}
		input[type='text'], textarea {
			width: 100%;
			padding: 10px;
			border: 1px solid #ccc;
			border-radius: 5px;
			font-size: 16px;
			margin-bottom: 20px;
		}
		button[type='submit'] {
			background-color: #333;
			color: #fff;
			padding: 10px 20px;
			border: none;
			border-radius: 5px;
			font-size: 18px;
			cursor: pointer;
		}
	</style>
</head>
<body>
	<h1>在线POST请求工具</h1>
	<form>
		<label for='url'>URL：</label>
		<input type='text' id='url' name='url' placeholder='请输入请求的URL'>
		<label for='data'>请求数据：</label>
		<textarea id='data' name='data' rows='10' placeholder='请输入请求数据'></textarea>
		<button type='submit' onclick='sendPostRequest(event)'>发送请求</button>
	</form>
	<script>
		function sendPostRequest(event) {
			event.preventDefault();
			const url = document.getElementById('url').value;
			const data = document.getElementById('data').value;
			const xhr = new XMLHttpRequest();
			xhr.open('POST', url);
			xhr.setRequestHeader('Content-Type', 'application/json;charset=UTF-8');
			xhr.onload = function() {
				if (xhr.status === 200) {
					alert(xhr.responseText);
				} else {
					alert('请求失败，错误码：' + xhr.status);
				}
			}
			xhr.send(data);
		}
	</script>
</body>
</html>