修改完成登录注册跳转到首页并展示产品

demo/src/main/java/com/example/demo/loginService/UserController.java

@@ -4,6 +4,7 @@ import com.example.demo.bean.User;
 import com.example.demo.loginService.API.impl.UserServiceImpl;
 import org.springframework.beans.factory.annotation.Autowired;
 import org.springframework.stereotype.Controller;
+import org.springframework.web.bind.annotation.GetMapping;
 import org.springframework.web.bind.annotation.PostMapping;
 
 import javax.servlet.ServletException;
@@ -21,7 +22,7 @@ public class UserController extends HttpServlet {
     @Autowired
     private UserServiceImpl userServiceImpl;
 
-    @PostMapping("/login")
+    @GetMapping("/login")
     public String  handle(HttpServletRequest request, HttpServletResponse response)throws IOException, ServletException {
         String userName = request.getParameter("userName");
         String userPwd = request.getParameter("userPwd");
@@ -30,8 +31,8 @@ public class UserController extends HttpServlet {
             if(user.getUserPwd().equals(userPwd)){
                 HttpSession session=request.getSession();
                 session.setAttribute("user",user);
-                return "redirect:index.html";
+                //request.getRequestDispatcher("index.html").forward(request,response);
-                //request.getRequestDispatcher("/").forward(request,response);
+                return "index";
             }
             else{
                 return "/userPwdError";

demo/src/main/java/com/example/demo/searchService/controller/SearchServiceController.java

@@ -6,7 +6,10 @@ import com.example.demo.searchService.service.ProductSearchService;
 
 import com.alibaba.fastjson.JSON;
 import com.alibaba.fastjson.JSONObject;
+import org.springframework.beans.factory.annotation.Autowired;
 import org.springframework.stereotype.Controller;
+import org.springframework.web.bind.annotation.GetMapping;
+import org.springframework.web.bind.annotation.PostMapping;
 import org.springframework.web.bind.annotation.RequestMapping;
 
 import javax.servlet.ServletException;
@@ -19,7 +22,9 @@ import java.util.List;
 
 @Controller
 public class SearchServiceController extends HttpServlet {
+    @Autowired
     private ProductSearchService productSearchService;
+
     @RequestMapping("/search")
     public void doPost(HttpServletRequest request, HttpServletResponse response)throws ServletException, IOException {
         response.setContentType("text/html;charset=utf-8");
@@ -45,7 +50,13 @@ public class SearchServiceController extends HttpServlet {
         response.getWriter().print(json);
 
     }
-    public void doGet(HttpServletRequest request, HttpServletResponse response)throws ServletException, IOException{
+
-        doPost(request,response);
+    @PostMapping("/showIndex")
+    public void showPro(HttpServletRequest request, HttpServletResponse response)throws ServletException, IOException{
+        List<Product> products = productSearchService.findByCount();
+        String json = JSONObject.toJSONString(products);
+        System.out.println(json);
+        response.setCharacterEncoding("utf-8");
+        response.getWriter().print(json);
     }
 }

demo/src/main/java/com/example/demo/searchService/service/ProductSearchService.java

@@ -4,6 +4,7 @@ import com.example.demo.bean.Product;
 
 import java.util.List;
 
+
 public interface ProductSearchService {
     //按关键字查询
     List<Product> findByNameLike(String productName);

demo/src/main/java/com/example/demo/searchService/service/impl/ProductSearchServiceImpl.java

@@ -5,15 +5,17 @@ import com.example.demo.Dao.usageDateMapper;
 import com.example.demo.bean.Product;
 import com.example.demo.searchService.service.ProductSearchService;
 import org.springframework.beans.factory.annotation.Autowired;
+import org.springframework.stereotype.Service;
 
 import java.util.ArrayList;
 import java.util.List;
 
+@Service
 public class ProductSearchServiceImpl implements ProductSearchService {
     @Autowired
     productMapper productMapper;
+    @Autowired
     usageDateMapper usageDateMapper;
-    Product product;
 
     @Override
     public List<Product> findByNameLike(String productName){
@@ -32,6 +34,7 @@ public class ProductSearchServiceImpl implements ProductSearchService {
 
     @Override
     public List<Product> findByCount(){
+        Product product = new Product();
         List<Product> productList = new ArrayList<Product>();
         List<Integer> listusage = usageDateMapper.selectByCount();
         int[] arr = listusage.stream().mapToInt(Integer::valueOf).toArray();