flex Êý×Ö
uint int Number
Flex ËÄÉáÎåÈ룺
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СÊýµÄÓÐ tofixed(uint) ·½·¨
ÀýÈç var num:Number = 56.159;
num.tofixed(2); ËüÊǸöStringµÄÀàÐÍ£¬Òâ˼ÊDZ£ÁôÁ½Î»Ð¡Êý¡£²¢ÇÒËÄÉáÎåÈ룬µÃ 56.16
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trace(Math.round(204.499)); //Êä³ö:204
trace(Math.round(401.5)); //Êä³ö:402
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