修复查询bug

src/servlet/search_fly.java

@@ -35,9 +35,9 @@ public class search_fly extends HttpServlet {
 		
 		String departure = req.getParameter("departure");
 		String destination = req.getParameter("destination");
-		String departureYear = req.getParameter("departureYear");
-		String departureMonth = req.getParameter("departureMonth");
-		String departureDay = req.getParameter("departureDay");
+		//String departureYear = req.getParameter("departureYear");
+		//String departureMonth = req.getParameter("departureMonth");
+		//String departureDay = req.getParameter("departureDay");
 		String date=req.getParameter("date");
 		String sql = null;
 		/*
@@ -47,12 +47,7 @@ public class search_fly extends HttpServlet {
 		} else {
 			sql = "SELECT * FROM flight WHERE 1=1";
 			
-			if (!departure.isEmpty()) {
-				sql += " AND f_s_p='" + departure + "'";
-			}
-			if (!destination.isEmpty()) {
-				sql += " AND f_a_p='" + destination + "'";
-			}
+			
 			if (!departureYear.isEmpty() && !departureMonth.isEmpty() && !departureDay.isEmpty()) {
 				// 楠岃瘉鏃ユ湡鏍煎紡
 				try {
@@ -76,8 +71,15 @@ public class search_fly extends HttpServlet {
 		} else {  
 		    // 构建SQL查询语句  
 		    sql = "SELECT * FROM flight WHERE 1=1";  
-		    sql += " AND DATE(f_Date)='" + date + "'";
-			
+		    if(!date.isEmpty()) {
+		    	sql += " AND DATE(f_Date)='" + date + "'";
+		    }
+		    if (!departure.isEmpty()) {
+				sql += " AND f_s_p='" + departure + "'";
+			}
+			if (!destination.isEmpty()) {
+				sql += " AND f_a_p='" + destination + "'";
+			}
 			
 			db_conn conn = new db_conn();
 			ArrayList<flight> flightlist = new ArrayList<flight>();

target/classes/META-INF/maven/air_ticket_book/air_ticket_book/pom.properties

@@ -1,5 +1,5 @@
 #Generated by Maven Integration for Eclipse
-#Sun Oct 20 16:16:16 CST 2024
+#Tue Oct 22 14:56:12 CST 2024
 artifactId=air_ticket_book
 groupId=air_ticket_book
 m2e.projectLocation=C\:\\Users\\RichardWang\\Desktop\\ai_agent