按关键字查询,产品使用热度查询，利率高低排序，按类别查询。

demo/src/test/java/com/example/demo/productService/controller/addController.java

@@ -25,7 +25,7 @@ public class addController extends HttpServlet {
             product.setProductDescription(request.getParameter("description"));
             product.setPictureAddress(request.getParameter("address"));
             int result= addPro.add(product);
-            response.setContentType("text/hmtl;charset=utf-8");
+            response.setContentType("text/html;charset=utf-8");
             writer=response.getWriter();
             if(result==1){
                 writer.write("增加成功");

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

@@ -1,10 +1,38 @@
 package com.example.demo.searchService.controller;
 
 
-import javax.servlet.http.HttpServlet;
+import com.example.demo.bean.Product;
+import com.example.demo.searchService.service.ProductSearchService;
+import org.springframework.stereotype.Controller;
+import org.springframework.web.bind.annotation.RequestMapping;
 
+import javax.servlet.http.HttpServletRequest;
+import javax.servlet.http.HttpServletResponse;
+import java.util.ArrayList;
+import java.util.List;
 
-
-public class SearchServiceController extends HttpServlet {
-
+@Controller
+public class SearchServiceController {
+    private ProductSearchService productSearchService;
+    @RequestMapping("/search")
+    public List<Product> productSearch(HttpServletRequest request, HttpServletResponse response){
+        List<Product> list = new ArrayList<Product>();
+        String productName = request.getParameter("productName");
+        String category = request.getParameter("category");
+        float intrate = Integer.parseInt(request.getParameter("intrate"));
+        if(productName!=null){
+            list = productSearchService.findByNameLike(productName);
+            //按关键字搜索
+        }else if(category!=null){
+            list = productSearchService.findByCategory(category);
+            //按产品类别搜索
+        }else if(intrate!=0){
+            list = productSearchService.findByIntrate(intrate);
+            //按利率排序由低到高
+        }else{
+            list = productSearchService.findByCount();
+            //默认按产品热度由高到低排序
+        }
+        return list;
+    }
 }