如何控制概率？思路怎么
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- 2016-06-13 11:44:281871浏览
怎么控制概率？思路如何?
我想这样的，一个转盘分成4块，可是怎么控制他们的概率不一样呢？要怎么写？
想不下去啊。。。。。求指引~chance为概率
<br />$lottery_arr=array(<br /> "0"=>array("id"=>1,"min"=>0,"max"=>90,"chance"=>10),<br /> "1"=>array("id"=>2,"min"=>90,"max"=>180,"chance"=>20),<br /> "2"=>array("id"=>3,"min"=>180,"max"=>270,"chance"=>30),<br /> "3"=>array("id"=>4,"min"=>270,"max"=>360,"chance"=>40),<br /> )<br />声明：
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