jQuery分页插件
/** * jQuery分页插件 */ +function($){ $.fn.pagination = function(options){ // 配置参数 var defaults = { totalCount: 100, // 总条数 showPage: 5, // 显示的页数 currentPage: 1, // 当前页 perPage: 10, // 每页显示条数 callback: function (currentPage, perPage) { // 回调函数 console.log(currentPage + ‘:‘ + perPage); } }; $.extend(defaults, options || {}); var totalCount = parseInt(defaults.totalCount), showPage = parseInt(defaults.showPage), perPage = parseInt(defaults.perPage), totalPage = Math.ceil(totalCount / perPage), currentPage = parseInt(defaults.currentPage), centerSep = Math.ceil(showPage / 2), html = ‘‘; // html结构初始化 showPage = showPage < totalPage ? showPage : totalPage; html += ‘<div class="pagination">‘; html += ‘<a class="pagination-prev" href="javascript:;">«</a>‘; html += ‘<a class="pagination-disabled" href="javascript:;">...</a>‘; for (var i = 1; i <= showPage; i++) { html += ‘<a class="pagination-num" href="javascript:;"></a>‘; } html += ‘<a class="pagination-disabled" href="javascript:;">...</a>‘; html += ‘<a class="pagination-next" href="javascript:;">»</a></div>‘; $(this).html(html); var $pagination = $(this).find(‘.pagination‘), $prev = $pagination.find(‘.pagination-prev‘), $next = $pagination.find(‘.pagination-next‘), $num = $pagination.find(‘.pagination-num‘); setCurrentPage(); // 事件绑定 $pagination .delegate(‘.pagination-num‘, ‘click‘, function(e) { currentPage = parseInt($(this).html()); setCurrentPage(); }) .delegate(‘.pagination-prev‘, ‘click‘, function(e) { currentPage--; setCurrentPage(); }) .delegate(‘.pagination-next‘, ‘click‘, function(e) { currentPage++; setCurrentPage(); }); // 根据当前页渲染分页 function setCurrentPage(){ currentPage = currentPage > totalPage ? totalPage : currentPage; currentPage = currentPage < 1 ? 1 : currentPage; if(currentPage == 1){ $prev.addClass(‘pagination-disabled‘); }else{ $prev.removeClass(‘pagination-disabled‘); } if(currentPage == totalPage){ $next.addClass(‘pagination-disabled‘); }else{ $next.removeClass(‘pagination-disabled‘); } if(currentPage - centerSep <= 0){ $prev.next().addClass(‘pagination-hidden‘); }else{ $prev.next().removeClass(‘pagination-hidden‘); } if(currentPage + centerSep > totalPage){ $next.prev().addClass(‘pagination-hidden‘); }else{ $next.prev().removeClass(‘pagination-hidden‘); } $num.removeClass(‘pagination-active‘).each(function (index, el) { if(currentPage - centerSep < 0){ index += 1; }else if(currentPage + centerSep > totalPage) { index = totalPage - showPage + index + 1; }else { index = currentPage - centerSep + index + 1; } if(index == currentPage){ $(el).addClass(‘pagination-active‘); } $(el).html(index); }); $.isFunction(defaults.callback) && defaults.callback(currentPage, perPage); } } }(jQuery);
* { margin: 0; padding: 0; } .pagination { text-align: center; } .pagination a { display: inline-block; padding: 5px 15px; margin-left: -1px; color: #428bca; text-decoration: none; background-color: #fff; border: 1px solid #ddd; } .pagination a:hover { color: #2a6496; background-color: #eee; border-color: #ddd; } .pagination .pagination-disabled, .pagination .pagination-disabled:hover { color: #777; cursor: default; background-color: #fff; border-color: #ddd; } .pagination .pagination-active, .pagination .pagination-active:hover { color: #fff; cursor: default; background-color: #428bca; border-color: #428bca; } .pagination .pagination-hidden { display: none; }
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