Add IndexController

IndexController

@@ -0,0 +1,38 @@
+package com.power.travel.controller;
+
+import com.power.travel.model.TravelRoute;
+import com.power.travel.service.ReserveService;
+import com.power.travel.service.RouteService;
+import com.power.travel.service.StrategyService;
+import com.power.travel.model.Attractions;
+import com.power.travel.model.Hotel;
+import com.power.travel.model.TravelStrategy;
+import org.springframework.beans.factory.annotation.Autowired;
+import org.springframework.stereotype.Controller;
+import org.springframework.ui.Model;
+import org.springframework.web.bind.annotation.RequestMapping;
+
+import java.util.List;
+//@Controller：这是一个Spring MVC的注解，它表示这个类是一个控制器类，用于处理用户的请求
+@Controller
+public class IndexController {
+    @Autowired
+    private ReserveService reserveService;
+    @Autowired
+    private RouteService routeService;
+    @Autowired
+    private StrategyService strategyService;
+//    index(Model model)：这是IndexController类的一个方法，它用于处理用户访问首页的请求
+    @RequestMapping("/")
+    public String index(Model model) {
+        List<Hotel> top10Hotel = reserveService.getTop10Hotel();
+        List<Attractions> top10Attractions = reserveService.getTop10Attractions();
+        List<TravelRoute> top10Route = routeService.findTop10Route();
+        List<TravelStrategy> top10Strategy = strategyService.findTop10Strategy();
+        model.addAttribute("top10Strategy",top10Strategy);
+        model.addAttribute("top10Route", top10Route);
+        model.addAttribute("top10Hotel", top10Hotel);
+        model.addAttribute("top10Attractions", top10Attractions);
+        return "index";
+    }
+}