今天进行了贩卖机的模拟,
实现购买之后减一,点击补货后全部成为满货状态。
package res; import java.io.IOException; import jakarta.servlet.ServletException; import jakarta.servlet.annotation.WebServlet; import jakarta.servlet.http.HttpServlet; import jakarta.servlet.http.HttpServletRequest; import jakarta.servlet.http.HttpServletResponse; @WebServlet("/Sere") public class Serve extends HttpServlet{ Daos d=new Daos(); public void doPost(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException{ String method=request.getParameter("method"); switch (method){ case "findAll": String num=request.getParameter("num"); Integer i=Integer.parseInt(num)-1; String num1=String.valueOf(i); String name="可乐"; d.find(name, num1); request.getRequestDispatcher("top.jsp").forward(request, response); case "find": String nums=request.getParameter("num"); Integer is=Integer.parseInt(nums)-1; String nums1=String.valueOf(is); String names=request.getParameter("name"); d.finds(names, nums1); request.getRequestDispatcher("top1.jsp").forward(request, response); case "bh": String numse=request.getParameter("numz"); String namese=request.getParameter("name"); String numses=request.getParameter("numzs"); String nameses=request.getParameter("names"); d.finds(namese, numse); d.finds(nameses, numses); request.getRequestDispatcher("top1.jsp").forward(request, response); } } @Override public void doGet(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException{ doPost(request,response); } }
标签:4.5,总结,String,每日,request,getParameter,import,servlet,response From: https://www.cnblogs.com/syhxx/p/17291154.html