JAVAWEB网上商城项目实现controller层的业务五------JAVA

布满荆棘的人生 2024-03-02 08:15 42阅读 0赞

>     package controller;
>     
>     import jakarta.servlet.*;
>     import jakarta.servlet.http.*;
>     import jakarta.servlet.annotation.*;
>     
>     import java.io.IOException;
>     import java.io.PrintWriter;
>     
>     @WebServlet(name = "controller.LoginWebServlet", urlPatterns = "/controller.LoginWebServlet")
>     public class LoginWebServlet extends HttpServlet {
>         @Override
>         protected void doGet(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException {
>             this.doPost(request,response);
>         }
>     
>         @Override
>         protected void doPost(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException {
>             HttpSession session = request.getSession();
>             if((session.getAttribute("Management")) != null)
>             {
>                 session.setAttribute("Management",null) ;
>             }
>             PrintWriter printWriter = response.getWriter();
>             response.setContentType("text/html;charset=GBK");
>             printWriter.println("<script>window.location.href='login.jsp'</script>");
>         }
>     }
> 
>     package controller;
>     
>     import jakarta.servlet.*;
>     import jakarta.servlet.http.*;
>     import jakarta.servlet.annotation.*;
>     
>     import java.io.IOException;
>     import java.io.PrintWriter;
>     
>     @WebServlet(name = "controller.LoginWebServlet", urlPatterns = "/controller.LoginWebServlet")
>     public class LoginWebServlet extends HttpServlet {
>         @Override
>         protected void doGet(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException {
>             this.doPost(request,response);
>         }
>     
>         @Override
>         protected void doPost(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException {
>             HttpSession session = request.getSession();
>             if((session.getAttribute("Management")) != null)
>             {
>                 session.setAttribute("Management",null) ;
>             }
>             PrintWriter printWriter = response.getWriter();
>             response.setContentType("text/html;charset=GBK");
>             printWriter.println("<script>window.location.href='login.jsp'</script>");
>         }
>     }

>     package controller;
>     
>     import Service.Login;
>     import bean.Manager;
>     import jakarta.servlet.*;
>     import jakarta.servlet.http.*;
>     import jakarta.servlet.annotation.*;
>     
>     import java.io.IOException;
>     import java.io.PrintWriter;
>     
>     @WebServlet(name = "controller.ManagerLoginServlet", urlPatterns = "/controller.ManagerLoginServlet")
>     public class ManagerLoginServlet extends HttpServlet {
>         @Override
>         protected void doGet(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException {
>             this.doPost(request,response);
>         }
>     
>         @Override
>         protected void doPost(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException {
>             String name = request.getParameter("username");
>             String inputPassword = request.getParameter("password");
>             response.setContentType("text/html;charset=GBK");
>             PrintWriter printWriter = response.getWriter();
>             String email = new Login().ManagerLogin(name,inputPassword);
>             if(!(email == null))
>             {
>                 Manager manager = new Manager(name,inputPassword,email);
>                 HttpSession session = request.getSession();
>                 session.setAttribute( "manager",manager);
>                 request.getRequestDispatcher("html/index.jsp").forward(request,response);
>             }
>             else
>             {
>                 printWriter.println("<script>alert(\"登陆失败,请检查后重新登陆\");</script>");
>                 printWriter.println("<script>window.location.href='login.jsp'</script>");
>             }
>         }
>     }
> 
>     package controller;
>     
>     import Service.Login;
>     import bean.Manager;
>     import jakarta.servlet.*;
>     import jakarta.servlet.http.*;
>     import jakarta.servlet.annotation.*;
>     
>     import java.io.IOException;
>     import java.io.PrintWriter;
>     
>     @WebServlet(name = "controller.ManagerLoginServlet", urlPatterns = "/controller.ManagerLoginServlet")
>     public class ManagerLoginServlet extends HttpServlet {
>         @Override
>         protected void doGet(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException {
>             this.doPost(request,response);
>         }
>     
>         @Override
>         protected void doPost(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException {
>             String name = request.getParameter("username");
>             String inputPassword = request.getParameter("password");
>             response.setContentType("text/html;charset=GBK");
>             PrintWriter printWriter = response.getWriter();
>             String email = new Login().ManagerLogin(name,inputPassword);
>             if(!(email == null))
>             {
>                 Manager manager = new Manager(name,inputPassword,email);
>                 HttpSession session = request.getSession();
>                 session.setAttribute( "manager",manager);
>                 request.getRequestDispatcher("html/index.jsp").forward(request,response);
>             }
>             else
>             {
>                 printWriter.println("<script>alert(\"登陆失败,请检查后重新登陆\");</script>");
>                 printWriter.println("<script>window.location.href='login.jsp'</script>");
>             }
>         }
>     }

>     package controller;
>     
>     import jakarta.servlet.*;
>     import jakarta.servlet.http.*;
>     import jakarta.servlet.annotation.*;
>     
>     import java.io.IOException;
>     import java.io.PrintWriter;
>     
>     @WebServlet(name = "controller.ManagementServlet", urlPatterns = "/controller.ManagementServlet")
>     public class ManagementServlet extends HttpServlet {
>         @Override
>         protected void doGet(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException {
>             this.doPost(request,response);
>         }
>     
>         @Override
>         protected void doPost(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException {
>             HttpSession session = request.getSession();
>             session.setAttribute("Management","Management");
>             PrintWriter printWriter = response.getWriter();
>             response.setContentType("text/html;charset=GBK");
>             printWriter.println("<script>alert(\"正在跳转管理员身份登录页\");</script>");
>             printWriter.println("<script>window.location.href='login.jsp'</script>");
>         }
>     }
> 
>     package controller;
>     
>     import jakarta.servlet.*;
>     import jakarta.servlet.http.*;
>     import jakarta.servlet.annotation.*;
>     
>     import java.io.IOException;
>     import java.io.PrintWriter;
>     
>     @WebServlet(name = "controller.ManagementServlet", urlPatterns = "/controller.ManagementServlet")
>     public class ManagementServlet extends HttpServlet {
>         @Override
>         protected void doGet(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException {
>             this.doPost(request,response);
>         }
>     
>         @Override
>         protected void doPost(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException {
>             HttpSession session = request.getSession();
>             session.setAttribute("Management","Management");
>             PrintWriter printWriter = response.getWriter();
>             response.setContentType("text/html;charset=GBK");
>             printWriter.println("<script>alert(\"正在跳转管理员身份登录页\");</script>");
>             printWriter.println("<script>window.location.href='login.jsp'</script>");
>         }
>     }