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douban.html
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douban.html
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<!DOCTYPE HTML>
<html>
<head>
<meta http-equiv="Content-Type" content="text/html; charset=utf-8">
<meta name="viewport" content="width=device-width, initial-scale=1, maximum-scale=1, user-scalable=no">
<link href="css/bootstrap.min.css" rel="stylesheet" />
<title>仿豆瓣图书搜索</title>
<script>
window.onload = function() {
var oQ = document.getElementById('q');
var oBtnSearch = document.getElementById('btnSearch');
var oList = document.getElementById('list');
var oSerachResultText = document.getElementById('serachResultText');
var oPages = document.getElementById('pages');
var sSearchValue = '';
var iStartIndex = 1;
var iMaxResults = 10;
var iCount = 0;
var iPages = 0;
var iPage = 1;
//搜索
oBtnSearch.onclick = getData;
function getData() {
sSearchValue = oQ.value;
iStartIndex = (iPage - 1) * iMaxResults + 1;
var oScript = document.createElement('script');
oScript.src = 'http://api.douban.com/book/subjects?q='+sSearchValue+'&alt=xd&callback=fnSearchList&max-results=' + iMaxResults + '&start-index=' + iStartIndex;
document.body.appendChild(oScript);
}
//回调函数的处理
window.fnSearchList = function(jData) {
iCount = jData['opensearch:totalResults'].$t;
oSerachResultText.innerHTML = '搜索结果'+iStartIndex+'-'+ (iStartIndex + iMaxResults - 1) +' 共' + iCount;
var entry = jData.entry;
if (entry.length) {
oList.innerHTML = '';
for (var i=0; i<entry.length; i++) {
var oDl = document.createElement('dl');
oDl.className = 'dl-horizontal';
var oDt = document.createElement('dt');
var oImg = document.createElement('img');
oImg.className = 'img-rounded';
oImg.src = entry[i].link[2]['@href'];
oDt.appendChild(oImg);
var oDd = document.createElement('dd');
var html = '<h4>'+entry[i].title.$t+'</h4>';
html += '<ul>';
html += '<li>作者：'+getAtrr(entry[i]['db:attribute'], 'author')+'</li>';
html += '<li>出版社：'+getAtrr(entry[i]['db:attribute'], 'publisher')+'</li>';
html += '<li>译者：'+getAtrr(entry[i]['db:attribute'], 'translator')+'</li>';
html += '<li>出版年：'+getAtrr(entry[i]['db:attribute'], 'pubdate')+'</li>';
html += '<li>定价：'+getAtrr(entry[i]['db:attribute'], 'price')+'</li>';
html += '<li>ISBN：'+getAtrr(entry[i]['db:attribute'], 'isbn10')+'</li>';
html += '</ul>';
oDd.innerHTML = html;
oDl.appendChild(oDt);
oDl.appendChild(oDd);
oList.appendChild(oDl);
}
}
//处理分页
iPages = Math.ceil(iCount / iMaxResults);
var p = createPageList(iPage, iPages, 5);
var iPrev = Math.max(iPage - 1, 1);
var iNext = Math.min(iPage + 1, iPages);
var html = '<li><a href="#" _index="'+iPrev+'">«</a></li>';
for (var i=p.min; i<=p.max; i++) {
if (i == iPage) {
html += '<li class="active" _index="'+i+'"><a href="#">'+i+'</a></li>';
} else {
html += '<li><a href="#" _index="'+i+'">'+i+'</a></li>';
}
}
html += '<li><a href="#" _index="'+iNext+'">»</a></li>';
oPages.innerHTML = html;
var aA = oPages.getElementsByTagName('a');
for (var i=0; i<aA.length; i++) {
aA[i].onclick = function() {
iPage = parseInt(this.getAttribute('_index'));
getData();
return false;
}
}
}
function getAtrr(data,name) {
var v = '';
for (var i=0; i<data.length; i++) {
if (data[i]['@name'] == name) {
v += data[i]['$t'] + ' ';
}
}
return v;
}
function createPageList(page, pages, num) {
var page = page;
var pages = pages;
var num = num;
var il = Math.floor(num / 2);
var ir = il;
var iLeft = page - il;
if (iLeft < 1) {
iLeft = 1;
ir = num - (page - iLeft) - 1;
}
console.log(typeof page + '/' + typeof ir);
var iRight = page + ir;
if (iRight > pages) {
ir = iRight - pages;
iRight = pages;
iLeft = Math.max(iLeft - ir, 1);
}
return {
min : iLeft,
max : iRight
}
}
}
</script>
</head>
<body>
<div class="container">
<h1>豆瓣</h1>
<div class="input-group input-group-lg">
<input type="text" class="form-control" placeholder="请输入您要搜索的关键字" id="q">
<span class="input-group-addon" id="btnSearch"><span class="glyphicon glyphicon-search"></span> 搜索</span>
</div>
<div class="rows">
<div class="col-md-12 text-right" id="serachResultText"></div>
</div>
<div class="rows">
<div class="col-md-12" id="list">
<!--<dl class="dl-horizontal">
<dt>
<img src="http://img3.douban.com/mpic/s3651235.jpg" alt="..." class="img-rounded">
</dt>
<dd>
</dd>
</dl>
<dl class="dl-horizontal">
<dt>
<img src="http://img3.douban.com/mpic/s3651235.jpg" alt="..." class="img-rounded">
</dt>
<dd>
</dd>
</dl>-->
</div>
</div>
<ul class="pagination" id="pages">
</ul>
<!--<ul class="pagination">
<li><a href="#">«</a></li>
<li><a href="#">1</a></li>
<li><a href="#">2</a></li>
<li><a href="#">3</a></li>
<li><a href="#">4</a></li>
<li><a href="#">5</a></li>
<li><a href="#">»</a></li>
</ul>-->
</div>
</body>
</html>