script/mvcar/js/script.js

68 lines
2.1 KiB
JavaScript

document.addEventListener('DOMContentLoaded', function() {
const searchButton = document.getElementById('searchButton');
const licensePlateInput = document.getElementById('licensePlate');
const errorMessage = document.getElementById('errorMessage');
// 从JSON文件获取车辆数据库
let carDatabase = [];
let isDataLoaded = false;
// 加载车辆数据
fetch('js/cars.json')
.then(response => response.json())
.then(data => {
carDatabase = data;
isDataLoaded = true;
})
.catch(error => {
console.error('加载车辆数据失败:', error);
showError('无法加载车辆数据库');
});
searchButton.addEventListener('click', function() {
const plate = licensePlateInput.value.trim();
if (!plate) {
showError('请输入车牌号码');
return;
}
// 检查数据是否已加载
if (!isDataLoaded) {
showError('数据加载中,请稍后再试...');
return;
}
// 在数据库中查找车牌(支持模糊匹配,忽略大小写)
//const carInfo = carDatabase.find(car => car.plate.includes(plate));
const carInfo = carDatabase.find(car =>
car.plate.toLowerCase().includes(plate.toLowerCase())
);
if (carInfo) {
// 将车辆信息存储到 sessionStorage
sessionStorage.setItem('carInfo', JSON.stringify(carInfo));
// 跳转到结果页面
window.location.href = 'result.html';
} else {
showError('没有找到该车牌号码对应的车主信息');
}
});
// 回车键触发搜索
licensePlateInput.addEventListener('keypress', function(e) {
if (e.key === 'Enter') {
searchButton.click();
}
});
function showError(message) {
errorMessage.textContent = message;
errorMessage.style.display = 'block';
// 3秒后隐藏错误信息
setTimeout(() => {
errorMessage.style.display = 'none';
}, 3000);
}
});