擴(kuò)展JQuery很容易，作為一個(gè)練習(xí)，編寫(xiě)一個(gè)簡(jiǎn)單的分頁(yè)插件，代碼量不大，直接看代碼好了：
$.fn.mypagination = function(totalProperty,opts){
opts = $.extend({
perPage:10,
callback:function(){
}
},opts||{});
return this.each(function(){
function numPages(){
return Math.ceil(totalProperty/opts.perPage);
}
function selectPage(page){
return function(){
currPage = page;
if (page<0) currPage = 0;
if (page>=numPages()) currPage = numPages()-1;
render();
$('img.page-wait',panel).attr('src','images/wait.gif');
opts.callback(currPage+1);
$('img.page-wait',panel).attr('src','images/nowait.gif');
}
}
function render(){
var html = '<table><tbody><tr>'
+'<td><a href="#"><img class="page-first"></a></td>'
+'<td><a href="#"><img class="page-prev"></a></td>'
+'<td><span>第<input type="text" class="page-num">頁(yè)/共'+numPages()+'頁(yè)</span></td>'
+'<td><a href="#"><img class="page-next"></a></td>'
+'<td><a href="#"><img class="page-last"></a></td>'
+'<td><img src="images/nowait.gif" class="page-wait"></td>'
+'<td><span style="padding-left:50px;">檢索到'+totalProperty+'記錄</span></td>'
+'</tr></tbody></table>';
var imgFirst = 'images/page-first-disabled.gif';
var imgPrev = 'images/page-prev-disabled.gif';
var imgNext = 'images/page-next-disabled.gif';
var imgLast = 'images/page-last-disabled.gif';
if (currPage > 0){
imgFirst = 'images/page-first.gif';
imgPrev = 'images/page-prev.gif';
}
if (currPage < numPages()-1){
imgNext = 'images/page-next.gif';
imgLast = 'images/page-last.gif';
}
panel.empty();
panel.append(html);
$('img.page-first',panel)
.bind('click',selectPage(0))
.attr('src',imgFirst);
$('img.page-prev',panel)
.bind('click',selectPage(currPage-1))
.attr('src',imgPrev);
$('img.page-next',panel)
.bind('click',selectPage(currPage+1))
.attr('src',imgNext);
$('img.page-last',panel)
.bind('click',selectPage(numPages()-1))
.attr('src',imgLast);
$('input.page-num',panel)
.val(currPage+1)
.change(function(){
selectPage($(this).val()-1)();
});
}
var currPage = 0;
var panel = $(this);
render();
});
}
下面測(cè)試一下：
<head>
<meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
<link rel="stylesheet" href="mypagination.css"/>
<script type="text/javascript" src="jquery-1.2.6.js"></script>
<script type="text/javascript" src="jquery.mypagination.js"></script>
<script>
$(document).ready(function(){
$('#mypage').mypagination(10112,{
callback:function(page){
alert(page);
}
});
});
</script>
</head>
<div id="mypage" class="mypagination"></div>
運(yùn)行效果圖如下：
以上就是本文的全部?jī)?nèi)容，希望對(duì)大家的學(xué)習(xí)有所幫助。
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