扣费金额改成随机

rights-entity/src/main/java/com/cyjd/rights/utils/PriceUtil.java

@@ -0,0 +1,25 @@
+package com.cyjd.rights.utils;
+
+import cn.hutool.core.date.DateUtil;
+
+import java.math.BigDecimal;
+import java.math.RoundingMode;
+import java.util.Date;
+import java.util.Random;
+import java.util.concurrent.ThreadLocalRandom;
+
+public class PriceUtil {
+    /**
+     * 生成交易金额
+     *
+     * @return
+     */
+    public static BigDecimal getOrderPrice() {
+        BigDecimal bigDecimal = new BigDecimal("19.9");
+        int random = (ThreadLocalRandom.current().nextInt(10));
+        BigDecimal randomBigDecimal = BigDecimal.valueOf(random);
+        BigDecimal subtract = bigDecimal.subtract(randomBigDecimal.divide(new BigDecimal(100), 2, RoundingMode.HALF_UP));
+        System.out.println(subtract);
+        return subtract;
+    }
+}