SubList分页-014-SubListServlet类

1.添加成员：SubListStudentServiceImpl
2.实现doPost：
- 接受request参数
- 组装查询条件
- 使用SubListStudentServiceImpl获取查询结果
- 存储结果
- 转发

测试代码

package top.itcourse.page.controller;import java.io.IOException;import javax.servlet.ServletException;import javax.servlet.annotation.WebServlet;import javax.servlet.http.HttpServlet;import javax.servlet.http.HttpServletRequest;import javax.servlet.http.HttpServletResponse;import top.itcourse.page.model.Constant;import top.itcourse.page.model.InputParameter;import top.itcourse.page.model.Pager;import top.itcourse.page.model.Student;import top.itcourse.page.service.StudentService;import top.itcourse.page.service.SubListStudentServiceImpl;/* * SubListServlet类： *  1.添加成员：SubListStudentServiceImpl *  2.实现doPost： *      接受request参数 *      组装查询条件 *      使用SubListStudentServiceImpl获取查询结果 *      存储结果 *      转发 */public class SubListServlet extends HttpServlet {    private static final long serialVersionUID = 3993891107643551740L;    private StudentService studentService = new SubListStudentServiceImpl();    protected void doGet(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException {        doPost(request, response);    }    protected void doPost(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException {        System.out.println("访问成功~~~~~~");        // 1.接受request参数            // 学生姓名        String name = request.getParameter("name");            // 学生性别        String genderStr = request.getParameter("gender");        int gender = Constant.DEFAULT_GENDER;        if( genderStr != null ) {            gender = Integer.parseInt(genderStr);        }            // 存储参数        InputParameter parameter = new InputParameter(name,gender);            // 当前页        String currentPageStr = request.getParameter("currentPage");        int currentPage = Constant.DEFAULT_CURRENT_PAGE;        if( currentPageStr != null ) {            currentPage = Integer.parseInt(currentPageStr);        }            // 一页最多记录数目        String pageSizeStr = request.getParameter("pageSize");        int pageSize = Constant.DEFAULT_PAGE_SIZE;        if( pageSizeStr != null ) {            pageSize = Integer.parseInt(pageSizeStr);        }        // 2.组装查询条件        Student searchModel = new Student();        System.out.println("name: " + name);        searchModel.setName(name);        searchModel.setGender(gender);        // 3.使用studentService获取查询结果        Pager<Student> result = studentService.findStudent(searchModel, currentPage, pageSize);        // 4.存储结果        request.setAttribute("result", result);         request.setAttribute("parameter", parameter);        System.out.println("Pager: " + result);        // 5.转发        System.out.println(request.getContextPath() + "/SubListView/index.jsp");        request.getRequestDispatcher("/SubListView/index.jsp").forward(request, response);//      return ;    }}

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