AJAX数据分页展示

pager_build : function(act,query,res){
        var pn = res.data.pn,
            rn = res.data.rn,
            tn = res.data.tn,
            pager;
        if(!tn){
            pager = '';
        }
        var dataQuery = StringH.queryUrl(query);
        
        
        var pns = Math.ceil(tn / rn);
        var html = ['<div class="global-page">'];

        var plink = function(i){
            dataQuery.pn = i;
            return '<a href="#" class="action" data-act="'+act+'" data-query="'+ObjectH.encodeURIJson(dataQuery)+'">'+(i+1)+'</a>';
        }
        if(pns < 12){
            for(var i=0;i<pns;i++){
                if(i == pn){ 
                    html.push('<span class="select">'+(pn+1)+'</span>');
                }else{
                    html.push(plink(i));
                }
            }
        }else if(pns > 11){
            if (pn  < 6){
                for(var i=0;i<9;i++){
                    if(i < 9){
                        if(i == pn){ 
                            html.push('<span class="select">'+(pn+1)+'</span>');
                        }else{
                            html.push(plink(i));
                        }
                    }
                }
                html.push('<span class="global-page-break">...</span>');
                html.push(plink(pns-1));
            }else if(pn+5 < pns ){
                html.push(plink(0));
                if(pn == 6){
                    html.push(plink(1));
                }else if(pn != 5){
                    html.push('<span class="global-page-break">...</span>');
                }
                for(var i =0;i<9;i++){
                    if(i == 4){
                        html.push('<span class="select">'+(pn+1)+'</span>');
                    }else{
                        html.push(plink(pn + i - 4));
                    }
                }
                if((pn + 7) == pns){
                    html.push(plink(pns-2));
                }else if((pn+6) == pns){

                }else{
                    html.push('<span class="global-page-break">...</span>');
                }
                html.push(plink(pns-1));
            }else{
                html.push(plink(1));
                html.push('<span class="global-page-break">...</span>');
                for(var i =0;i<9;i++){
                    if((pns-pn) + i == 9){
                        html.push('<span class="select">'+(pn+1)+'</span>');
                    }else{
                        html.push(plink(pns-9+i));
                    }
                }
            }
        }
        html.push('</div>');
        if(pns > 1){
            pager = html.join('');
        }else{
            pager = '';
        }
        W('#settingpageer').html(pager);
    },