新增首二一一模型

internal/api/limit_board_handler.go

@@ -31,3 +31,19 @@ func (h *LimitBoardHandler) GetOverview(c *gin.Context) {
 
 	c.JSON(http.StatusOK, resp)
 }
+
+func (h *LimitBoardHandler) GetOpenLowerGroups(c *gin.Context) {
+	var req model.LimitBoardRequest
+	if err := c.ShouldBindQuery(&req); err != nil || req.TradeDate == "" {
+		c.JSON(http.StatusBadRequest, gin.H{"error": "trade_date 参数不能为空"})
+		return
+	}
+
+	resp, err := h.Service.GetLimitOpenCompareGroups(req.TradeDate)
+	if err != nil {
+		c.JSON(http.StatusInternalServerError, gin.H{"error": err.Error()})
+		return
+	}
+
+	c.JSON(http.StatusOK, resp)
+}