修改productService包里的类，实现deleteController消息传递成功

demo/src/main/java/com/example/demo/Dao/productHistroyMapper.java

@@ -2,6 +2,7 @@ package com.example.demo.Dao;
 
 
 import com.example.demo.bean.ProductHistroy;
+import org.apache.ibatis.annotations.Delete;
 import org.apache.ibatis.annotations.Insert;
 import org.apache.ibatis.annotations.Mapper;
 import org.apache.ibatis.annotations.Select;

demo/src/main/java/com/example/demo/Dao/productMapper.java

@@ -39,5 +39,5 @@ public interface productMapper {
 
 
     @Delete("delete from product where productNum=#{productNum}")
-    public void deleteProduct(int productNum);
+    public void deleteProduct(long productNum);
 }

demo/src/main/java/com/example/demo/productService/controller/deleteController.java

@@ -7,12 +7,13 @@ import org.springframework.beans.factory.annotation.Autowired;
 import org.springframework.stereotype.Controller;
 import org.springframework.web.bind.annotation.RequestMapping;
 
+import javax.servlet.http.HttpServlet;
 import javax.servlet.http.HttpServletRequest;
 import javax.servlet.http.HttpServletResponse;
 import java.io.PrintWriter;
 
 @Controller
-public class deleteController {
+public class deleteController extends HttpServlet {
     @Autowired
     deletePro deletes;
     @RequestMapping("/deleteproduct")
@@ -20,7 +21,7 @@ public class deleteController {
         PrintWriter writer=null;
         Product product = new Product();
         try{
-            int productNum=Integer.parseInt(request.getParameter("productNum"));
+            long productNum=Long.parseLong(request.getParameter("productNum"));
             int result= deletes.delete(productNum);
             response.setContentType("text/hmtl;charset=utf-8");
             writer=response.getWriter();

demo/src/main/java/com/example/demo/productService/controller/updateController.java

@@ -6,14 +6,15 @@ import org.springframework.beans.factory.annotation.Autowired;
 import org.springframework.stereotype.Controller;
 import org.springframework.web.bind.annotation.RequestMapping;
 
+import javax.servlet.http.HttpServlet;
 import javax.servlet.http.HttpServletRequest;
 import javax.servlet.http.HttpServletResponse;
 import java.io.PrintWriter;
 
 @Controller
-public class updateController {
+public class updateController extends HttpServlet {
    @Autowired
-    private updatePro updatePro;
+    updatePro updatePro;
     @RequestMapping("/updateproduct")
     public String doPost(HttpServletResponse response, HttpServletRequest request){
         PrintWriter writer=null;

demo/src/main/java/com/example/demo/productService/service/deletePro.java

@@ -1,24 +1,36 @@
 package com.example.demo.productService.service;
 
 import com.example.demo.Dao.productHistroyMapper;
+import com.example.demo.Dao.productMapper;
+import com.example.demo.bean.Product;
 import com.example.demo.bean.ProductHistroy;
+import org.springframework.beans.factory.annotation.Autowired;
+import org.springframework.stereotype.Service;
 
-//@Service
+@Service
 public class deletePro {
-   // @Autowired
-    private com.example.demo.productService.service.nowTime nowTime;
-   // @Autowired
-    private com.example.demo.Dao.productMapper productMapper;
-   // @Autowired
+    private nowTime nowTime = new nowTime();
+    @Autowired
+    private productMapper productMapper;
+    @Autowired
     private productHistroyMapper proHisMapper;
-    //@Autowired
-    private ProductHistroy productHistroy;
 
-    public int delete(int productNum){
+
+    public int delete(long productNum){
+        ProductHistroy productHistroy = new ProductHistroy();
+
+        Product product = productMapper.selectProductByProductNum(productNum);
+        if(product == null)return -1;
+        productHistroy.setProductNum(product.getProductNum());
+        productHistroy.setProductName(product.getProductName());
+        productHistroy.setBankNum(product.getBankNum());
+        productHistroy.setCategory(product.getCategory());
+        productHistroy.setIntrate(product.getIntrate());
+        productHistroy.setProductDescription(product.getProductDescription());
+
         productMapper.deleteProduct(productNum);
-        productHistroy.setProductNum(productNum);
         //productHistroy.setManagerNum(); manager.setManagerNum();调用登陆里面的一个接口得到managerNum
-        productHistroy.setUpLoadTime(nowTime.nowTime());
+        productHistroy.setDeleteTime(nowTime.nowTime());
         proHisMapper.addProductHistroy(productHistroy);
         return 1;
     }