package action; import java.util.ArrayList; import java.util.List; import javax.servlet.http.HttpServletRequest; import javax.servlet.http.HttpSession; import models.Course; import models.Course_teacher; import models.Student; import models.Student_course; import models.Teacher; import org.apache.struts2.ServletActionContext; import service.TeacherService; import com.opensymphony.xwork2.ActionContext; public class TeacherAction { private HttpServletRequest request; private Teacher newteacher; private TeacherService teacherservice; public HttpServletRequest getRequest() { return request; } public void setRequest(HttpServletRequest request) { this.request = request; } public Teacher getNewteacher() { return newteacher; } public void setNewteacher(Teacher newteacher) { this.newteacher = newteacher; } public TeacherService getTeacherservice() { return teacherservice; } public void setTeacherservice(TeacherService teacherservice) { this.teacherservice = teacherservice; } public String execute() throws Exception { //教师可选课程 ActionContext.getContext().getSession().put("teacher", newteacher); teacherservice.updateTeachInfo(newteacher); return "success"; } public String selectCourse(){ request=ServletActionContext.getRequest(); HttpSession session=request.getSession(); Teacher teacher=(Teacher)session.getAttribute("teacher"); List<Course_teacher> course_selected=teacherservice.hasSelect(teacher);//得到已经选择过的课程 System.out.println(course_selected.size()); List<Course> all=teacherservice.getAll(); //保存所有课程 ArrayList<Integer> selected=new ArrayList<Integer>(); //记录已经选择的课程id ArrayList<Integer> allcourse=new ArrayList<Integer>(); //记录所有课程的id for(int i=0;i<course_selected.size();i++){ Integer a=course_selected.get(i).getCourse().getCId(); selected.add(a); } for(int i=0;i<all.size();i++){ Integer b=all.get(i).getCId(); allcourse.add(b); } for (int j = 0; j < selected.size(); j++) { if (allcourse.contains(selected.get(j))) { allcourse.remove(selected.get(j)); //已经选择过该课程,进行移除 } } ArrayList<Integer> rest=allcourse; ArrayList<Course> restcourse=new ArrayList<Course>(); //记录教师可以选择的课程 for(Course c:all){ for(Integer i:rest){ if(c.getCId()==i){ restcourse.add(c); } } } for(int i=0;i<restcourse.size();i++){ Course a=restcourse.get(i); System.out.println("cid为:"+a.getCId()); System.out.println("cname为:"+a.getCName()); System.out.println("chour为:"+a.getCHour()); } request.setAttribute("canSelect", restcourse); return "success"; } public String sure(){ //教师确定选择某个课程 request=ServletActionContext.getRequest(); HttpSession session=request.getSession(); Teacher a=(Teacher)session.getAttribute("teacher"); int t_id=a.getTId(); String c_id=request.getParameter("cid"); System.out.println("t_id"+t_id); System.out.println("c_id"+c_id); Course_teacher ct=new Course_teacher(); ct.setTeacher(a); Course cou=new Course(); cou.setCId(Integer.parseInt(c_id)); ct.setCourse(cou); teacherservice.sureSelect(ct); return "success"; } public String selectResult(){ //选课结果查询 request=ServletActionContext.getRequest(); HttpSession session=request.getSession(); Teacher teacher=(Teacher)session.getAttribute("teacher"); List<Course_teacher> course_selected=teacherservice.hasSelect(teacher);//得到已经选择过的课程 request.setAttribute("hasSelect", course_selected); return "success"; } public String cancel(){ //删除选课结果 request=ServletActionContext.getRequest(); HttpSession session=request.getSession(); Teacher a=(Teacher)session.getAttribute("teacher"); String ct_id=request.getParameter("ctid"); List<Student_course> list=teacherservice.showOneStu(Integer.parseInt(ct_id)); if(list.size()==0){ Course_teacher ct=new Course_teacher(); ct.setCTId(Integer.parseInt(ct_id)); teacherservice.cancelSelect(ct); return "success"; } else return "fail"; } public String showAll(){ //查询授课 request=ServletActionContext.getRequest(); HttpSession session=request.getSession(); Teacher teacher=(Teacher)session.getAttribute("teacher"); List<Course_teacher> course_selected=teacherservice.hasSelect(teacher);//得到已经选择过的课程 request.setAttribute("hasSelect", course_selected); return "success"; } public String showAStudent(){ request=ServletActionContext.getRequest(); HttpSession session=request.getSession(); Teacher teacher=(Teacher)session.getAttribute("teacher"); String Ctid=request.getParameter("ctid"); List<Student_course> list=teacherservice.showOneStu(Integer.parseInt(Ctid)); request.setAttribute("oneStu", list); return "success"; } public String showWindow(){ request=ServletActionContext.getRequest(); HttpSession session=request.getSession(); String stu_id=request.getParameter("stuid"); String c_t_id=request.getParameter("ctid"); String grade=request.getParameter("grade"); Student a=teacherservice.searchStudent(stu_id); System.out.println("ctid------------->"+c_t_id); session.setAttribute("stuid", stu_id); session.setAttribute("ctid", c_t_id); session.setAttribute("stuName", a.getStuName()); request.setAttribute("grade", grade); return "success"; } public String changeGrade(){ request=ServletActionContext.getRequest(); HttpSession session=request.getSession(); // Teacher a=(Teacher)session.getAttribute("teacher"); String ctid=(String)session.getAttribute("ctid"); String stuid=(String)session.getAttribute("stuid"); String newgrade=(String)request.getParameter("newgrade"); teacherservice.changeGrade(Integer.parseInt(ctid), stuid, Integer.parseInt(newgrade)); return "success"; } }
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