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fix

back_recharge
wangyuan 2019-01-22 09:56:56 +08:00
parent ee902be8ea
commit 6ddd6930ec
1 changed files with 7 additions and 0 deletions
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7
serverlogic/src/main/java/com/ljsd/jieling/util/MathUtils.java
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@ -3,6 +3,7 @@ package com.ljsd.jieling.util;
import org.slf4j.Logger; import org.slf4j.Logger;
import org.slf4j.LoggerFactory; import org.slf4j.LoggerFactory;
import java.util.Random;
import java.util.concurrent.ThreadLocalRandom; import java.util.concurrent.ThreadLocalRandom;
@ -14,6 +15,8 @@ import java.util.concurrent.ThreadLocalRandom;
public class MathUtils { public class MathUtils {
private static final Logger LOGGER = LoggerFactory.getLogger(MathUtils.class); private static final Logger LOGGER = LoggerFactory.getLogger(MathUtils.class);
private static final Random random = new Random();
/** /**
* 权重随机 * 权重随机
* @param rateArray * @param rateArray
@ -82,4 +85,8 @@ public class MathUtils {
return low + ThreadLocalRandom.current().nextInt(hi - low + 1); return low + ThreadLocalRandom.current().nextInt(hi - low + 1);
} }
public static int randomInt(int n){
return random.nextInt(n);
}
} }