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package web.servlet.teacher;
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import domain.Student;
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import domain.Teacher;
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import service.StudentService;
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import service.TeacherService;
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import service.impl.StudentServiceImpl;
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import service.impl.TeacherServiceImpl;
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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.Date;
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@WebServlet("/teacherPasswordUpdateServlet")
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public class TeacherPasswordUpdateServlet extends HttpServlet {
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protected void doPost(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException {
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// 设置请求编码为utf-8
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request.setCharacterEncoding("utf-8");
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// 获取当前会话
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HttpSession session = request.getSession();
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// 从会话中获取教师对象
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Teacher teacher = (Teacher)session.getAttribute("teacher");
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// 获取教师ID
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String teacherid = teacher.getT_id();
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<<<<<<< HEAD
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=======
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//3
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// 获取新密码
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<<<<<<< HEAD
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>>>>>>> remotes/origin/develop
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=======
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>>>>>>> remotes/origin/develop
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String newpassword = request.getParameter("teacher-newpassword");
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// 获取确认新密码
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String ennewpassword = request.getParameter("teacher-ennewpassword");
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// 定义密码格式正则表达式
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String regex = "^[\\w]{3,12}$";
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// 判断新密码是否符合格式
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boolean flag = newpassword.matches(regex);
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// 如果新密码不符合格式
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if (!flag) {
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// 设置错误信息
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request.setAttribute("update_msg", "密码格式错误，重新提交！"+String.format("%tT",new Date()));
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// 转发到修改密码页面
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request.getRequestDispatcher("/WEB-INF/teacher/teacherUpdatePassword.jsp").forward(request, response);
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// 如果新密码和确认新密码不一致
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} else if (!newpassword.equals(ennewpassword)) {
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// 设置错误信息
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request.setAttribute("update_msg", "密码确认错误，请重新提交！" + String.format("%tT", new Date()));
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// 转发到修改密码页面
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request.getRequestDispatcher("/WEB-INF/teacher/teacherUpdatePassword.jsp").forward(request, response);
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// 如果新密码和确认新密码一致
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} else {
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// 创建TeacherService对象
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TeacherService service= new TeacherServiceImpl();
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// 调用updatePassword方法，更新密码
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service.updatePassword(teacherid,newpassword);
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// 根据teacherid查找新的Teacher对象
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Teacher newTeacher = service.findTeacherById(teacher);
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// 将新的Teacher对象赋值给teacher
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teacher = newTeacher;
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// 将teacher对象存入session中
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session.setAttribute("teacher",teacher);
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// 设置update_msg属性，提示修改成功
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request.setAttribute("update_msg", "修改成功！" + String.format("%tT", new Date()));
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// 转发到teacherUpdatePassword.jsp页面
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request.getRequestDispatcher("/WEB-INF/teacher/teacherUpdatePassword.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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