自己写的sql学习记录：
<!-- 查询机构下面地址的组织订购的报刊数量的排名 -->
<select id="select.DifferentiationDisplayManageDaoImpl.getCustomersOfDifferentiationData"
parameterClass="String" resultClass="DifferDisplayBean">
select a.*,t3.c_dz from
(select count(t.id) as num,t2.c_y as y ,t2.c_x as x,min(t2.id) as id from t
left outer join t2 on t2.c_jgid = t.c_jgid
where t.c_jgid >0 and t2.c_x>0 and t2.c_xzqh = #n_jgdh#
group by t2.c_x,t2.c_y )a
left outer join t_company t3 on t3.id = a.id
order by num
</select>
//延迟加载 之后的使用计算显示extend
public function getExtentForMapToShow(timerLoop:TimerLoop,arr:Array,map:Map):void{
if(arr ==null||arr.length==0){return;}
popupProgressBar(true);
var extent:Extent = getExtent(arr);
var time:int = arr.length/timerLoop.scope+1;
map.extent = extent;
setTimeout(function():void{
popupProgressBar(false);
},timerLoop.delay*time);
}
private function getExtent(arr:Array):Extent{
var extent:Extent = new Extent();
extent.xmax = arr[0].x;
extent.xmin = arr[0].x;
extent.ymax = arr[0].y;
extent.ymin = arr[0].y;
for(var m:int = 0; m < arr.length; m++)
{
if(arr[m].x>extent.xmax){
extent.xmax = arr[m].x;
}
if(arr[m].y>extent.ymax){
extent.ymax = arr[m].y;
}
if(arr[m].x<extent.xmin){
extent.xmin = arr[m].x;
}
if(arr[m].y<extent.ymin){
extent.ymin = arr[m].y;
}
}
return extent;
}
这一周一看基本上没有写什么有营养的代码，哎