添加sql查询

application/third_party/train/models/BIZ_train_model.php

@@ -698,4 +698,19 @@ class BIZ_train_model extends CI_Model {
 		 $query = $this->HT->query($sql);
 		 
 	 }
+	 
+	 public function get_price($fromStationCode,$toStationCode,$trainCode){
+		$sql = "SELECT 
+					TPL_Price 
+				FROM 
+					TrainPriceList 
+				WHERE 
+					TPL_Train_Code = '$trainCode'
+				AND 
+					TPL_From_Station_Code = '$fromStationCode'
+				AND	
+					TPL_To_Station_Code = '$toStationCode'";
+		$query = $this->INFO->query($sql);		
+		return $query->row();
+	}
 }