jQuery翻页yunm.pager.js，涉及div局部刷新(2)

<%@ page language="java" contentType="text/html; charset=utf-8" pageEncoding="utf-8"%>
<%@ include file="/components/common/taglib.jsp"%>
<c:forEach items="${deal_page}" var="deal">
    ${deal.name}
</c:forEach>
<div class="turnPagePager" rel="${param.rel}" totalCount="${vo.totalCount}" numPerPage="${vo.numPerPage}"
        currentPage="${vo.pageNum}">

$("div.turnPagePager", $p).each(function() {
    var $this = $(this);
    $this.pager({
        rel : $this.attr("rel"),
        totalCount : $this.attr("totalCount"),
        numPerPage : $this.attr("numPerPage"),
        currentPage : $this.attr("currentPage")
    });
});

(function($) {
    $.fn.extend({
        pager : function(opts) {
            // 可参照bootstrap的翻页，为了获得前一页和后一页的按钮组件
            var setting = {
                prev$ : "li.previous",
                next$ : "li.next",
            };
            return this.each(function() {
                var $this = $(this);
                var pc = new Pager(opts);
                if (pc.type() == 'arrow') {
                    $this.html('<ul class="pager">' + '<li class="previous left"><a href="#"></a></li>' + '<li class="next right"><a href="#"></a></li>'
                            + '</ul>');
                } else {
                    // 参照bootstrap翻页
                    $this.html('<ul class="pager">' + '<li class="previous"><a href="#">&larr; 前一页</a></li>'
                            + '<li class="next"><a href="#">后一页 &rarr;</a></li>' + '</ul>');
                }
                var $prev = $this.find(setting.prev$);
                var $next = $this.find(setting.next$);
                if (pc.hasPrev()) {
                    // 如果有前一页，绑定前一页事件
                    _bindEvent($prev, pc.getCurrentPage() - 1, pc.rel());
                } else {
                    // 否则置灰
                    if (pc.type() == 'arrow') {
                        $prev.addClass("hide");
                    } else {
                        $prev.addClass("disabled");
                    }
                }
                if (pc.hasNext()) {
                    _bindEvent($next, pc.getCurrentPage() + 1, pc.rel());
                } else {
                    if (pc.type() == 'arrow') {
                        $next.addClass("hide");
                    } else
                        $next.addClass("disabled");
                }
            });
            // 绑定点击事件，主要传递第几页
            function _bindEvent($target, pageNum, rel) {
                $target.bind("click", {
                    pageNum : pageNum
                }, function(event) {
                    yunmPageBreak({
                        rel : rel,
                        data : {
                            pageNum : event.data.pageNum
                        }
                    });
                    event.preventDefault();
                });
            }
        },
    });
    // 翻页的必要参数
    var Pager = function(opts) {
        this.opts = $.extend({
            type : "",// 指定翻页的类型，目前支持两种样式
            rel : "", // 用于局部刷新div id号
            totalCount : 0,// 总数
            numPerPage : 10,// 默认显示10个
            currentPage : 1,// 当前页
            callback : function() {
                return false;
            }
        }, opts);
    };
    $.extend(Pager.prototype, {
        rel : function() {
            return this.opts.rel;
        },
        type : function() {
            return this.opts.type;
        },
        // 每页显示多少个
        numPages : function() {
            return Math.ceil(this.opts.totalCount / this.opts.numPerPage);
        },
        // 当前页
        getCurrentPage : function() {
            var currentPage = parseInt(this.opts.currentPage);
            if (isNaN(currentPage))
                return 1;
            return currentPage;
        },
        // 能否向前翻页
        hasPrev : function() {
            return this.getCurrentPage() > 1;
        },
        // 向后翻页
        hasNext : function() {
            return this.getCurrentPage() < this.numPages();
        }
    });
})(jQuery);

$("div.turnPagePager", $p).each(function() {
    var $this = $(this);
    YUNM.debug('div.turnPagePager' + $this.selector);
    $this.pager({
        rel : $this.attr("rel"),
        type : $this.attr("type"),// 设置type
        totalCount : $this.attr("totalCount"),
        numPerPage : $this.attr("numPerPage"),
        currentPage : $this.attr("currentPage")
    });
});

.arrow_page {
    padding: 0;
    height: 0;
}
.pager .left>a,.pager .left>a:HOVER,.pager .right>a,.pager .right>a:HOVER {
    cursor: pointer;
    height: 70px;
    width: 30px;
    background: url(../../assets/images/bgs_2.png) no-repeat;
    display: block;
    border: none;
}
.pager .left>a:HOVER {
    background-position: 0 -70px;
}
.pager .right>a:HOVER {
    background-position: 0 -210px;
}
.pager .left>a {
    left: -30px;
    position: absolute;
    top: -240px;
}
.pager .right>a {
    background-position: 0 -140px;
    position: absolute;
    right: -30px;
    top: -240px;
}