基于struts2_hibernate3+oracle.1_dwr开发的学生管理系统

package org.mystruts2.action; import java.util.ArrayList; import java.util.List; import java.util.Map; import org.mystruts2.dao.StuDao; import org.mystruts2.dao.TeaDao; import org.mystruts2.entity.Students; import org.mystruts2.entity.Teachers; /** * @author 作 者：熊世凤 * @version 创建时间：2010-7-21 下午02:15:39 */ public class StudentAction { private Integer delete_stuid; private Integer update_stuid; private String update_stuname; private String update_teanames; private Students studentOne; private Students studentTwo; private Teachers teacherOne; private Teachers teacherTwo; private List<Students> students = new ArrayList<Students>(); private List<Teachers> teachers = new ArrayList<Teachers>(); private StuDao<Students> stuDao = new StuDao<Students>(); private TeaDao<Teachers> teaDao = new TeaDao<Teachers>(); public Integer getUpdate_stuid() { return update_stuid; } public void setUpdate_stuid(Integer updateStuid) { update_stuid = updateStuid; } public Integer getDelete_stuid() { return delete_stuid; } public void setDelete_stuid(Integer deleteStuid) { delete_stuid = deleteStuid; } public String getUpdate_teanames() { return update_teanames; } public void setUpdate_teanames(String updateTeanames) { update_teanames = updateTeanames; } public String getUpdate_stuname() { return update_stuname; } public void setUpdate_stuname(String update_stuname) { this.update_stuname = update_stuname; } public List<Students> getStudents() { return students; } public void setStudents(List<Students> students) { this.students = students; } public List<Teachers> getTeachers() { return teachers; } public void setTeachers(List<Teachers> teachers) { this.teachers = teachers; } public Teachers getTeacherTwo() { return teacherTwo; } public void setTeacherTwo(Teachers teacherTwo) { this.teacherTwo = teacherTwo; } public Students getStudentOne() { return studentOne; } public void setStudentOne(Students studentOne) { this.studentOne = studentOne; } public Students getStudentTwo() { return studentTwo; } public void setStudentTwo(Students studentTwo) { this.studentTwo = studentTwo; } public Teachers getTeacherOne() { return teacherOne; } public void setTeacherOne(Teachers teacherOne) { this.teacherOne = teacherOne; } public String addStu() { studentOne.getTeachers().add(teacherOne); studentOne.getTeachers().add(teacherTwo); studentTwo.getTeachers().add(teacherOne); teacherOne.getStudents().add(studentOne); teacherOne.getStudents().add(studentTwo); teacherTwo.getStudents().add(studentOne); boolean bool = stuDao.save(studentOne); if (bool) { return "success"; } return "failure"; } public String findStus(){ Map<String, List<Students>> map = stuDao.queryAllStudentsInfo(false,null); this.setStudents((List<Students>)map.get("students")); return "success"; } public String updateStus(){ String[] teacherNames_Ids=update_teanames.trim().split(" "); int tea_len=teacherNames_Ids.length; Students stu=new Students(); stu.setStuname(update_stuname); for(int i=0;i<tea_len;i++){ String tea_name=teacherNames_Ids[i]; Teachers tea=new Teachers(); tea.setTeaname(tea_name); stu.getTeachers().add(tea); } boolean bool=stuDao.updateStuInfoByStuId(update_stuid, stu); if(bool){ return "success"; } return "failure"; } public String deleteStus(){ boolean bool=stuDao.deleteStuInfoByStuId(delete_stuid); if(bool){ return "success"; } return "failure"; } /* * dwr验证学员名是否存在 */ public boolean checkStudent(String stu_name){ Students stu=stuDao.queryStudentByStuName(stu_name); if(stu!=null){ return true; } return false; } /* * dwr验证老师名是否存在 */ public boolean checkTeacher(String tea_name){ Teachers tea=teaDao.queryTeacherByTeaName(tea_name); if(tea!=null){ return true; } return false; } }