我有以下代码,我已经“拼凑”在一起。基本上它应该需要一些 JSON 数据(下面也是一个示例),预加载任何适用的图像并修改幻灯片以使用传回的数据。
它正在工作,但是图像和文本不匹配,我认为这与它有关,currImg++%preloadArrayName.length
但我不确定这意味着什么......
任何帮助感激不尽!
function updateHomepageSlideshow(data)
{
var preloadArr = new Array();
var preloadArrName = new Array();
var preloadArrOffer = new Array();
var i;
/* preload images */
for(i=0; i < data.length; i++){
preloadArr[i] = new Image();
preloadArr[i].src = 'http://media.domain.com/restaurants/large/' + data[i] ['restaurantCode'] + '.jpg';
preloadArrName[i] = data[i]['restaurantName'];
preloadArrOffer[i] = data[i]['offerName'];
}
var currImg = 1;
var intID = setInterval(changeImg(data), 6000);
/* image rotator */
function changeImg(data){
$('#amazingOffersAt').hide();
$('#homepageRestaurantNameId').html(preloadArrName[currImg++%preloadArrName.length]);
$('#homepageRotatingImage').css('background-image','url(' + preloadArr[currImg++%preloadArr.length].src +')');
$('#homepageRestaurantOfferId').html(preloadArrOffer[currImg++%preloadArrOffer.length]);
}
}
JSON
[{
"restaurantName": "Caf\u00e9 des Amis",
"restaurantCode": "cafe-des-amis",
"address": "11 - 14 Hanover Place",
"town": "Covent Garden",
"county": "London",
"postcode": "WC2E 9JP",
"lat": "51.5133900",
"lng": "-0.1231300",
"largeImage": "1",
"offerTypeId": "9",
"offerName": "3 course set menu for \u00a315"
}, {
"restaurantName": "Palm Court Brasserie",
"restaurantCode": "palm-court-brasserie",
"address": "39 King Street",
"town": "Covent Garden",
"county": "London",
"postcode": "WC2E 8JS",
"lat": "51.5119700",
"lng": "-0.1243000",
"largeImage": "1",
"offerTypeId": "12",
"offerName": "3 courses and a kir royale \u00a322.50"
}, {
"restaurantName": "Clos Maggiore",
"restaurantCode": "clos-maggiore",
"address": "33 King Street",
"town": "Covent Garden",
"county": "London",
"postcode": "WC2E 8JD",
"lat": "51.5116900",
"lng": "-0.1247700",
"largeImage": "1",
"offerTypeId": "12",
"offerName": "2 courses: \u00a315.50"
}, {
"restaurantName": "Navajo Joe",
"restaurantCode": "navajo-joe",
"address": "34 King Street",
"town": "Covent Garden",
"county": "London",
"postcode": "WC2E 8JD",
"lat": "51.5116900",
"lng": "-0.1247700",
"largeImage": "1",
"offerTypeId": "1",
"offerName": "50% Off Your Food "
}, {
"restaurantName": "Le Deuxieme",
"restaurantCode": "le-deuxieme",
"address": "65a Long Acre, Covent Garden",
"town": "London",
"county": "West End London",
"postcode": "WC2E 9JD",
"lat": "51.5139100",
"lng": "-0.1227800",
"largeImage": "1",
"offerTypeId": "12",
"offerName": "Sunday offer: 3 courses & half bottle of wine \u00a320"
}]