package com.example.demo.productService.controller; import com.example.demo.bean.Product; import com.example.demo.productService.tools.deletePro; import org.springframework.stereotype.Controller; import org.springframework.web.bind.annotation.RequestMapping; import javax.servlet.http.HttpServletRequest; import javax.servlet.http.HttpServletResponse; import java.io.PrintWriter; @Controller public class deleteController { Product product; deletePro deletes; @RequestMapping("/deleteproduct") public String doPost(HttpServletResponse response, HttpServletRequest request){ PrintWriter writer=null; try{ int productNum=Integer.parseInt(request.getParameter("productNum")); int result= deletes.delete(productNum); response.setContentType("text/hmtl;charset=utf-8"); writer=response.getWriter(); if(result==1){ writer.write("删除成功"); return "/";//返回增加删除修改的总页面 } writer.write("删除失败"); return "/";//返回删除的页面 }catch(Exception e){ e.printStackTrace(); }finally { if(writer!=null){ writer.close(); } } return "页面出错"; } }