layui数据表格自定义每页条数limit设置

table.render({
   elem: '#data_grid'
   //,width: 900
   //,height: 274
   ,cols: [[ //标题栏
    {field: 'id', title: 'ID', width: 80, sort: true}
    ,{field: 'username', title:'用户名',width: 100} //空列
    ,{field: 'password', title: '密码', width: 120}
    ,{field: 'gender', title: '性别', width: 150}
    ,{field: 'nichen', title: '昵称', width: 150}
    ,{field: 'birthday', title: '出生年月', width: 120}
    ,{fixed: 'right', width: 215,align:'center', toolbar: '#barDemo'}
   ]]
   ,url:url
   ,skin: 'row' //表格风格
   ,even: true
   ,page: true //是否显示分页
   ,limits: [3,5,10]
   ,limit: 5 //每页默认显示的数量
   ,done:function(res){
    userPage.data = res.data;
   }
   //,loading: false //请求数据时，是否显示loading
  });