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5706d70562
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5706d70562 | |
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bd03ec538d |
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@ -12,20 +12,24 @@ import java.util.TreeMap;
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*/
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public class PayUtil {
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/**
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* 支付大于1元才能进行随机减
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*/
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final static BigDecimal RANDOM_LIMIT = new BigDecimal("1");
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/**
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* 随机减金额
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*/
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final static BigDecimal RANDOM = new BigDecimal("0.5");
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final static BigDecimal RANDOM = new BigDecimal("0.3");
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/**
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* 计算随机金额,0.2元进行随机生成
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* 计算随机金额,0.3元进行随机生成
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*
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* @param amount
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* @return
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*/
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public static BigDecimal handleAmountRandom(BigDecimal amount) {
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if (amount.compareTo(RANDOM) > 0) {
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// 订单金额大于0.99元才进行处理
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if (amount.compareTo(RANDOM_LIMIT) >= 0) {
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// 订单金额大于1元才进行处理
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return amount.subtract(RANDOM).add(RandomUtil.randomBigDecimal(new BigDecimal("0.01"), RANDOM).setScale(2, BigDecimal.ROUND_HALF_UP));
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}
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return amount;
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@ -39,7 +43,7 @@ public class PayUtil {
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* @return
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*/
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public static boolean checkAmount(BigDecimal amount, BigDecimal payAmount) {
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// 实际订单金额 - 支付金额 <= 0.2 则为正常处理
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// 实际订单金额 - 支付金额 <= 0.3 则为正常处理
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return amount.subtract(payAmount).compareTo(RANDOM) <= 0;
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}
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