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114 lines
4.8 KiB
114 lines
4.8 KiB
package web.servlet.admin;
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import domain.CDC;
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import domain.Student;
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import service.CDCService;
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import service.StudentService;
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import service.impl.CDCServiceImpl;
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import service.impl.StudentServiceImpl;
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import javax.servlet.ServletException;
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import javax.servlet.annotation.WebServlet;
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import javax.servlet.http.HttpServlet;
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import javax.servlet.http.HttpServletRequest;
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import javax.servlet.http.HttpServletResponse;
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import javax.servlet.http.HttpSession;
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import java.io.IOException;
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import java.util.List;
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@WebServlet("/updateStudentServlet")
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public class UpdateStudentServlet extends HttpServlet {
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protected void doPost(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException {
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request.setCharacterEncoding("utf-8");
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HttpSession session = request.getSession();
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String studentid = request.getParameter("sid");
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// session.setAttribute("sid",studentid);
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Student student = new Student();
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student.setS_id(studentid);
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// 创建学生服务的实现类实例，用于处理与学生相关的业务逻辑
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StudentService service = new StudentServiceImpl();
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Student newStudent = service.findStudentById(student);
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request.setAttribute("student",newStudent);
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// 创建 CDCService 的实现类实例，用于处理与院系、系别和班级相关的业务逻辑
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// 创建CDCService实例
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CDCService service2 = new CDCServiceImpl();
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// 调用findAllCollege方法获取所有学院列表
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List<CDC> collegeList = service2.findAllCollege();
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// 调用findAllDepartment方法获取所有部门列表
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List<CDC> departmentList = service2.findAllDepartment();
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// 调用findAllClass方法获取所有班级列表
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List<CDC> classList = service2.findAllClass();
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// 将学院列表存入session中
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session.setAttribute("collegeLists",collegeList);
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// 将部门列表存入session中
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session.setAttribute("departmentLists",departmentList);
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// 将班级列表存入session中
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session.setAttribute("classLists",classList);
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request.getRequestDispatcher("/WEB-INF/admin/updateStudent.jsp").forward(request,response);
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}
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protected void doGet(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException {
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doPost(request,response);
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}
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}
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//package web.servlet.admin;
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//
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//import domain.CDC;
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//import domain.Student;
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//import service.CDCService;
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//import service.StudentService;
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//import service.impl.CDCServiceImpl;
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//import service.impl.StudentServiceImpl;
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//
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//import javax.servlet.ServletException;
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//import javax.servlet.annotation.WebServlet;
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//import javax.servlet.http.HttpServlet;
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//import javax.servlet.http.HttpServletRequest;
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//import javax.servlet.http.HttpServletResponse;
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//import javax.servlet.http.HttpSession;
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//import java.io.IOException;
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//import java.util.List;
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//
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//@WebServlet("/updateStudentServlet")
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//public class UpdateStudentServlet extends HttpServlet {
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// protected void doPost(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException {
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// request.setCharacterEncoding("utf-8");
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// HttpSession session = request.getSession();
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// String studentid = request.getParameter("sid");
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//// session.setAttribute("sid",studentid);
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//
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// Student student = new Student();
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// student.setS_id(studentid);
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// // 创建学生服务的实现类实例，用于处理与学生相关的业务逻辑
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// StudentService service = new StudentServiceImpl();
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// Student newStudent = service.findStudentById(student);
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// request.setAttribute("student",newStudent);
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//
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// // 创建 CDCService 的实现类实例，用于处理与院系、系别和班级相关的业务逻辑
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// // 创建CDCService实例
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// CDCService service2 = new CDCServiceImpl();
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// // 调用findAllCollege方法获取所有学院列表
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// List<CDC> collegeList = service2.findAllCollege();
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// // 调用findAllDepartment方法获取所有部门列表
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// List<CDC> departmentList = service2.findAllDepartment();
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// // 调用findAllClass方法获取所有班级列表
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// List<CDC> classList = service2.findAllClass();
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//
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// // 将学院列表存入session中
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// session.setAttribute("collegeLists",collegeList);
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// // 将部门列表存入session中
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// session.setAttribute("departmentLists",departmentList);
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// // 将班级列表存入session中
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// session.setAttribute("classLists",classList);
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//
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// request.getRequestDispatcher("/WEB-INF/admin/updateStudent.jsp").forward(request,response);
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// }
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//
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// protected void doGet(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException {
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// doPost(request,response);
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// }
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//}
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