jquery获取值，ios获取不到，而android可以

 function ajaxform(){ var id=$(".main_box ul li:last-child").find('.delete_btn').attr('field');alert(id);alert(isadmin); $.ajax({ type:'POST', url:"{:U('App/Friends/ajaxform')}", data:{"openid":openid,"id":id}, dataType:"json", global:false, success:function(data){ $.each(data[1],function(e,a){ isblack=a; }); } });

}