🎨 优化机器人关键词匹配

service/bot/bot.go

@@ -127,6 +127,21 @@ func (btService *BotService) GetBotPublic(keyWord botReq.FindKey, userId uint) (
 	whereClause := strings.Join(conditions, " OR ")
 	err = global.GVA_DB.Where(whereClause, args...).First(&bt).Error
 
+	// 如果没有查到，进行2字一组分词模糊匹配
+	if err == gorm.ErrRecordNotFound {
+		segments := splitByTwoWords(userInput)
+		if len(segments) > 0 {
+			var segConds []string
+			var segArgs []interface{}
+			for _, seg := range segments {
+				segConds = append(segConds, "keyword LIKE ?")
+				segArgs = append(segArgs, "%"+seg+"%")
+			}
+			segWhere := strings.Join(segConds, " OR ")
+			err = global.GVA_DB.Where(segWhere, segArgs...).First(&bt).Error
+		}
+	}
+
 	go func() {
 		// 更新查询次数
 		if err == nil && bt.ID != 0 {
@@ -136,6 +151,16 @@ func (btService *BotService) GetBotPublic(keyWord botReq.FindKey, userId uint) (
 	return
 }
 
+// splitByTwoWords 将字符串按2字一组分割
+func splitByTwoWords(s string) []string {
+	runes := []rune(s)
+	var result []string
+	for i := 0; i < len(runes)-1; i++ {
+		result = append(result, string(runes[i:i+2]))
+	}
+	return result
+}
+
 // generateKeywordVariants 生成关键词的所有可能变体
 func (btService *BotService) generateKeywordVariants(input string) []string {
 	variants := make(map[string]bool)