前端分页（输入页号）

 $('#submitgo').click(function(){
        if($('#fillNum').val()!=''){

            var u = location.href.toString();

            if(u.indexOf('page') >=0){
                var url=replaceParamVal('page',$('#fillNum').val());
                location.href=url;
            }else{

                location.href= u+'&page='+$('#fillNum').val();
            }

        }
    })