$prize_arr?=?array（?
????‘0‘?=>?array（‘id‘=>1‘min‘=>1‘max‘=>29‘prize‘=>‘一等獎‘‘v‘=>1）?
????‘1‘?=>?array（‘id‘=>2‘min‘=>302‘max‘=>328‘prize‘=>‘二等獎‘‘v‘=>2）?
????‘2‘?=>?array（‘id‘=>3‘min‘=>242‘max‘=>268‘prize‘=>‘三等獎‘‘v‘=>5）?
????‘3‘?=>?array（‘id‘=>4‘min‘=>182‘max‘=>208‘prize‘=>‘四等獎‘‘v‘=>7）?
????‘4‘?=>?array（‘id‘=>5‘min‘=>122‘max‘=>148‘prize‘=>‘五等獎‘‘v‘=>10）?
????‘5‘?=>?array（‘id‘=>6‘min‘=>62‘max‘=>88‘prize‘=>‘六等獎‘‘v‘=>25）?
????‘6‘?=>?array（‘id‘=>7‘min‘=>array（3292152212272332）?
‘max‘=>array（58118178238298358）‘prize‘=>‘七等獎‘‘v‘=>50）?
）;?

function?getRand（$proArr）?{?
????$result?=?‘‘;?
?
????//概率數(shù)組的總概率精度?
????$proSum?=?array_sum（$proArr）;?
?
????//概率數(shù)組循環(huán)?
????foreach?（$proArr?as?$key?=>?$proCur）?{?
????????$randNum?=?mt_rand（1?$

?屬性????????????大小?????日期????時間???名稱
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?????文件???????11500??2013-01-17?11:16??jQueryRotate.2.2.js
?????文件???????27297??2013-04-28?15:23??start.png
?????文件???????45587??2013-04-28?16:21??disk.jpg
?????文件????????2291??2013-08-23?09:44??index.html
?????文件????????5555??2013-01-17?18:22??jquery.easing.min.js
?????文件????????1532??2013-08-23?09:44??data.php