From 81e6472cd0b6fec19952f7b21cf68301be3c37d9 Mon Sep 17 00:00:00 2001
From: yanweidong <david.yan>
Date: Thu, 29 Jan 2026 02:57:10 +0800
Subject: [PATCH] deving

---
 internal/logic/strategy/rule/rsi.go | 51 ++++++++++++++++++++++++++---
 1 file changed, 46 insertions(+), 5 deletions(-)

diff --git a/internal/logic/strategy/rule/rsi.go b/internal/logic/strategy/rule/rsi.go
index ad00ffd..a8f2710 100644
--- a/internal/logic/strategy/rule/rsi.go
+++ b/internal/logic/strategy/rule/rsi.go
@@ -4,7 +4,6 @@ import (
 	"encoding/json"
 	"fmt"
 
-	"git.apinb.com/bsm-sdk/core/utils"
 	"git.apinb.com/quant/gostock/internal/impl"
 	"git.apinb.com/quant/gostock/internal/logic/types"
 	"git.apinb.com/quant/gostock/internal/models"
@@ -65,11 +64,53 @@ func (r *Rsi) Run(code string) *types.RuleResult {
 	}
 
 	rsiResult := talib.Rsi(close, r.Args.RsiPeriod)
+	prveRsi := rsiResult[len(rsiResult)-2]
 	lastRsi := rsiResult[len(rsiResult)-1]
-	lastRsi = utils.FloatRound(lastRsi, 2)
-	if lastRsi > float64(r.Args.RsiOversold) {
-		return &types.RuleResult{Key: r.Key, Name: r.Name, Score: -1, Desc: fmt.Sprintf("RSI=%.2f 高于%d", lastRsi, r.Args.RsiOversold)}
+	prveRsiInt := int(prveRsi)
+	lastRsiInt := int(lastRsi)
+
+	// 跌破RSI下轨
+	if lastRsiInt > r.Args.RsiOversold {
+		if CheckLowest(close, lastRsiInt, 5) {
+			return &types.RuleResult{Key: r.Key, Name: r.Name, Score: 1, Desc: fmt.Sprintf("RSI=%d 跌破下轨,5日最低", lastRsiInt)}
+		}
+		if CheckLowest(close, lastRsiInt, 14) {
+			return &types.RuleResult{Key: r.Key, Name: r.Name, Score: 1, Desc: fmt.Sprintf("RSI=%d 跌破下轨,14日最低", lastRsiInt)}
+		}
+		if CheckLowest(close, lastRsiInt, 20) {
+			return &types.RuleResult{Key: r.Key, Name: r.Name, Score: 1, Desc: fmt.Sprintf("RSI=%d 跌破下轨,20日最低", lastRsiInt)}
+		}
+		return &types.RuleResult{Key: r.Key, Name: r.Name, Score: -1, Desc: fmt.Sprintf("RSI=%d 高于%d", lastRsiInt, r.Args.RsiOversold)}
 	}
 
-	return &types.RuleResult{Key: r.Key, Name: r.Name, Score: 1, Rsi: lastRsi, Desc: fmt.Sprintf("RSI=%.2f 低于%d", lastRsi, r.Args.RsiOversold)}
+	// RSI跌破下轨后呈上涨趋势
+	if lastRsiInt <= prveRsiInt {
+		return &types.RuleResult{Key: r.Key, Name: r.Name, Score: -1, Desc: fmt.Sprintf("Rsi=%d prveRsi=%d,跌破下轨，持续下跌", lastRsiInt, prveRsiInt)}
+	}
+	return &types.RuleResult{Key: r.Key, Name: r.Name, Score: 1, Rsi: lastRsi, Desc: fmt.Sprintf("RSI=%d prveRsi=%d,跌破下轨后呈上涨趋势", lastRsiInt, prveRsiInt)}
+}
+
+// 检查值是否为数组最后N个元素中的最小值
+func CheckLowest(prices []float64, target int, n int) bool {
+	if len(prices) == 0 || n <= 0 {
+		return false
+	}
+
+	// 如果n大于数组长度，使用整个数组
+	if n > len(prices) {
+		n = len(prices)
+	}
+
+	// 获取最后n个元素
+	slice := prices[len(prices)-n:]
+
+	// 查找最小值
+	minVal := slice[0]
+	for _, val := range slice[1:] {
+		if val < minVal {
+			minVal = val
+		}
+	}
+
+	return target == int(minVal)
 }