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//// slideshow.html | |
<head> | |
<meta charset="UTF-8"> | |
<title>スライドショー</title> | |
<link rel="stylesheet" href="slideshow.css" type="text/stylesheet" media="all"> | |
<script type="text/javascript" src="slideshow.js"></script> | |
<script type="text/javascript" src="image-database.js"></script> | |
</head> | |
<body onLoad="setThumbImages()"> | |
<img src="img/sample0.jpg" id="main"> | |
<div id="thumbArea"></div> | |
<div id="see more" onClick="seeMore()">もっと見る</div> | |
</body> | |
////// slideshow.js | |
var mainImage = document.getElementById("main"); | |
var thumbImages; | |
function setThumbImages() { | |
var thumb = [] | |
for(var i in imageArray){ | |
// image tagを用意 | |
thumb.push('<img src="' + imageArray[i] + '_s.jpg" class="thumb" onClick="showImage(' + i + ')">'); | |
} | |
// 文字列連結してthumbAreaにつっこむ | |
document.getElementById("thumbArea").innerHTML(thumb.join('')); | |
// showImageのたびにgetElementsしていたらコストになるので、ここで一回だけ行う | |
thumbImages = document.getElementsByClassName("thumb") | |
} | |
function showImage(imageNo) { | |
mainImage.src = imageArray[imageNo] + '.jpg'; | |
for (var i in thumbImages) { | |
thumbImages[i].classList.remove("select"); | |
} | |
thumbImages[imageNo].classList.add("select"); | |
} | |
function seeMore() { | |
// ここでサーバーのデータベースにリクエス | |
// きっとこんなん。 | |
// images = sendRequest.getImages({userId: 001}); | |
// 返ってきたのをimageArrayに入れる。 | |
// mageArray.push(images); | |
// thumbに追加表示 | |
setThumbImages(); | |
} | |
///// image-database.js | |
var imageArray = ["img/sample0","img/sample1","img/sample2","img/sample3","img/sample4"]; |
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