<ul data-am-widget="pagination"
      class="am-pagination am-pagination-default"
      >

      <li class="am-pagination-First ">
        <a href="#" class="">第一页</a>
      </li>

      <li class="am-pagination-prev ">
        <a href="#" class="">上一页</a>
      </li>
            <li class="">
              <a href="#" class="">1</a>
            </li>
            <li class="am-active">
              <a href="#" class="am-active">2</a>
            </li>
            <li class="">
              <a href="#" class="">3</a>
            </li>
            <li class="">
              <a href="#" class="">4</a>
            </li>
            <li class="">
              <a href="#" class="">5</a>
            </li>


      <li class="am-pagination-next ">
        <a href="#" class="">下一页</a>
      </li>

      <li class="am-pagination-last ">
        <a href="#" class="">最末页</a>
      </li>
  </ul>

function fm_page(cnf) {
    VAR fmpage = {
        id:'page',
        pageNo : 0,// 当前页
        pageSize : 10,// 每页条数
        pageCount : 100,// 总条数
        showPageNum : 5,// 分页元素长度
        pageNum:0,// 总页数
        pageCmp:null,
        start:0,
        init : function() {
             var it = this;
             if (cnf) {
                 $.each(cnf, function(k, v) {
                     it[k]=v;
                 });
             }
            this.pageNum=Math.ceil(this.pageCount/this.pageSize)-1;
        }
    }
    fmpage.init();
    return fmpage;
}

renderPage:function(start) {
             this.start = start || 0;
             this.pageCmp=$("#"+this.id);
             this.pageCmp.empty();
             this.pageCmp.apPEnd('<li ><a onclick="{0}" class="">第一页</a></li>'.replace('{0}',this.id+'.toFirst()'));
             this.pageCmp.append('<li ><a onclick="{0}" class="">上一页</a></li>'.replace('{0}',this.id+'.toPRev()'));
             var endNum=this.pageCount/this.pageSize>(this.showPageNum+this.start)?(this.showPageNum+this.start):this.pageCount/this.pageSize;// 截止元素
            
             for(var i=this.start;i<endNum;i++)
                 {
                    var chose = i == this.pageNo? this.choseClass : '';
                     var li='<li class={1} ><a  onclick="{2}" class="">{0}</a></li>';
                     this.pageCmp.append(li.replace('{0}',i+1).replace('{1}',chose).replace('{2}',this.id+'.toPage({0})'.replace('{0}',i)) );
                 }
             
             this.pageCmp.append('<li ><a onclick="{0}"  class="">下一页</a></li>'.replace('{0}',this.id+'.toNext()'));
             this.pageCmp.append('<li ><a onclick="{0}" class="">最末页</a></li>'.replace('{0}',this.id+'.toLast()'));
        }

toNext:function(){
            this.pageNo = this.pageNo==this.pageNum?this.pageNo:this.pageNo+1;
            if(this.pageNo>=this.start+this.showPageNum&&this.pageNo<(this.pageNum)){
                this.start=this.start+this.showPageNum;
                this.renderPage(this.start);
            }
                
            if(this.pageNo<=(this.pageNum))
                this.liCls();
        },
        toPrev:function(){
            this.pageNo = this.pageNo==0?0:this.pageNo-1;
            if(this.pageNo<(this.start)){
                this.start=this.start-this.showPageNum;
                this.renderPage(this.start);
            }
            if(this.pageNo>=0)
                this.liCls();
        },
        toFirst:function(){
            this.pageNo=0;
            if(this.pageNo<(this.start)){
                this.start=0;
                this.renderPage(this.start);
            }
            this.liCls();
        },
        toLast:function(){
            this.pageNo=this.pageNum;
            if(this.pageNo>=this.start+this.showPageNum){
                this.start=this.pageNum-this.showPageNum+1;
                this.renderPage(this.start);
            }
            this.liCls();
        },
        toPage:function(pageNo){
            this.pageNo=pageNo;
            this.liCls();
        },

liCls : function() {
            this.pageChange(this.pageNo);
            this.pageCmp.find('li:eq(' + (this.pageNo - this.start + 2) + ')')
                        .siblings('li').removeClass(this.choseClass).end()
                        .addClass(this.choseClass);
        },
        pageChange:function(pageNo){
            
        }