1.预警阈值比较改为区分正负值

ruoyi-system/src/main/java/com/ruoyi/system/service/impl/ZsOperationWarnresultServiceImpl.java

                             //我们设置的预警阈值
                             BigDecimal priceChange  = new BigDecimal(zsOperationWarnconfig.getPriceChangeThreshold());
                             // 比较差值比例是否大于等于我们设置的预警阈值
-                            if (percentageChange.compareTo(priceChange) >= 0) {
+                            if ((priceChange.doubleValue()>=0&&percentageChange.compareTo(priceChange) >= 0)||
+                                (priceChange.doubleValue()<0&&percentageChange.compareTo(priceChange) <= 0)
+                            ) {
                                 //5.生成 预警结果数据
                                 String warnTypes = zsOperationWarnconfig.getWarnTypes();
                                 ZsOperationWarnresult zsOperationWarnresult = new ZsOperationWarnresult();
     }
 
     /**
-     * 判断价格变化是否超过阈值
+     * 返回变化的差值比例
      * @param curPrice 当前价格（基准价）
      * @param newPrice 新价格
-     * @return 变化幅度超过阈值返回true，否则false
      */
-    public  BigDecimal getChangeThreshold(BigDecimal curPrice,BigDecimal newPrice) {
+/*    public  BigDecimal getChangeThreshold(BigDecimal curPrice,BigDecimal newPrice) {
         // 参数校验
         if (curPrice == null || newPrice == null ) {
             throw new IllegalArgumentException("参数不能为空");
         BigDecimal percentageChange = diff.divide(curPrice, 4, RoundingMode.HALF_UP)
             .multiply(new BigDecimal("100"));
         return percentageChange;
+    }*/
+
+    public static BigDecimal getChangeThreshold(BigDecimal curPrice, BigDecimal newPrice) {
+        if (curPrice == null || newPrice == null ) {
+            throw new IllegalArgumentException("价格参数不能为空");
+        }
+
+        // 计算差值
+        BigDecimal difference = newPrice.subtract(curPrice);
+        // 计算百分比 (差值/原价)*100
+        return difference.divide(curPrice,10, RoundingMode.HALF_UP)
+            .multiply(new BigDecimal(100));
+        //.setScale(2, RoundingMode.HALF_UP);
     }
     public boolean isBetween9And18() {
         LocalTime currentTime = LocalTime.now();