90 lines
		
	
	
		
			2.2 KiB
		
	
	
	
		
			HTML
		
	
	
	
	
	
			
		
		
	
	
			90 lines
		
	
	
		
			2.2 KiB
		
	
	
	
		
			HTML
		
	
	
	
	
	
| <!DOCTYPE html>
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| <html>
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| 	<head>
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| 		<meta charset="utf-8">
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| 		<title>成都机动车限行查询</title>
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| 		<style>
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| 			#search {
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| 				width: 640px;
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| 				margin: 0 auto;
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| 				text-align: center;
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| 				margin-top: 150px;
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| 			}
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| 			#carno {
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| 				display: inline-block;
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| 				width: 460px;
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| 				height: 36px;
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| 				font: 36px/36px arial;
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| 				text-align: center;
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| 				vertical-align: middle;
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| 				border: none;
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| 				outline: none;
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| 				border-bottom: 1px dotted darkgray;
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| 			}
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| 			#search input[type=button] {
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| 				width: 80px;
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| 				height: 36px;
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| 				font: 28px/36px arial;
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| 				border: none;
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| 				color: white;
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| 				background-color: red;
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| 				vertical-align: middle;
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| 			}
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| 			#result {
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| 				width: 640px;
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| 				margin: 0 auto;
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| 				text-align: center;
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| 				font: 32px/36px arial;
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| 			}
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| 		</style>
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| 	</head>
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| 	<body>
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| 		<div id="search">
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| 			<input type="text" id="carno" placeholder="请输入车牌号">
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| 			<input type="button" value="查询" onclick="showResult()">
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| 			<input type="button" value="清除" onclick="clearResult()">
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| 		</div>
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| 		<hr>
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| 		<p id="result"></p>
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| 		<script>
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| 			var p = document.getElementById('result');
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| 			
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| 			function clearResult() {
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| 				p.textContent = '';
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| 			}
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| 			
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| 			function showResult() {
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| 				var input = document.getElementById('carno');
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| 				var carNo = input.value;
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| 				var regex = /^[京津沪渝辽吉黑冀鲁豫晋陕甘闽粤桂川云贵苏浙皖湘鄂赣青新宁蒙藏琼][A-Z]\s*[0-9A-Z]{5}$/;
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| 				if (regex.test(carNo)) {
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| 					var digitStr = lastDigit(carNo);
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| 					if (digitStr) {
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| 						var digit = parseInt(digitStr);
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| 						var day = new Date().getDay();
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| 						if (digit % 5 == day || digit % 5 == day - 5) {
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| 							p.innerHTML = carNo + '今日限行<br>' + p.innerHTML;
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| 						} else {
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| 							p.innerHTML = carNo + '今日不限行<br>' + p.innerHTML;
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| 						}
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| 					} else {
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| 						p.innerHTML = carNo + '不是有效的车牌号<br>' + p.innerHTML; 
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| 					}
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| 				} else {
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| 					p.innerHTML = carNo + '不是有效的车牌号<br>' + p.innerHTML; 
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| 				}
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| 				input.value = '';
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| 			}
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| 			
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| 			function lastDigit(str) {
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| 				for (var index = str.length - 1; index >= 0; index -= 1) {
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| 					var digitStr = str[index];
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| 					if (digitStr >= '0' && digitStr <= '9') {
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| 						return digitStr;
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| 					}
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| 				}
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| 				return null;
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| 			}
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| 		</script>
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| 	</body>
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| </html> | 
