90 lines
2.2 KiB
HTML
90 lines
2.2 KiB
HTML
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<!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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function clearResult() {
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p.textContent = '';
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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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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>
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