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StudentServiceImp.java
资源名称：exams.rar　[点击查看]
上传用户：nbxinmin
上传日期：2021-10-09
资源大小：46k
文件大小：2k
源码类别：

Internet/IE编程

开发平台：

Java

StudentServiceImp.java：源码内容
  1. package com.xdf.exams.bo.service;
  3. import java.util.List;
  5. import com.xdf.exams.bean.Result;
  6. import com.xdf.exams.bean.Student;
  7. import com.xdf.exams.bo.IStudentService;
  8. import com.xdf.exams.dao.IExamrecordDAO;
  9. import com.xdf.exams.dao.IResultDAO;
  10. import com.xdf.exams.dao.IStudentDAO;
  12. public class StudentServiceImp extends BaseService implements IStudentService{
  13. private IExamrecordDAO examrecorddao = null;
  14. private IResultDAO resultdao = null;
  15. private IStudentDAO studentdao = null;
  17. public IExamrecordDAO getExamrecorddao() {
  18. return examrecorddao;
  19. }
  21. public void setExamrecorddao(IExamrecordDAO examrecorddao) {
  22. this.examrecorddao = examrecorddao;
  23. }
  25. public IResultDAO getResultdao() {
  26. return resultdao;
  27. }
  29. public void setResultdao(IResultDAO resultdao) {
  30. this.resultdao = resultdao;
  31. }
  33. public IStudentDAO getStudentdao() {
  34. return studentdao;
  35. }
  37. public void setStudentdao(IStudentDAO studentdao) {
  38. this.studentdao = studentdao;
  39. }
  41. public void addStudent(Student s) {
  42. beginTransaction();
  43. studentdao.add(s);
  44. commitTransaction();
  45. }
  47. public void deleteStudent(Student s) {
  48. try {
  49. beginTransaction();
  50. List list = resultdao.findResultByUserid(s.getStudentid());
  51. for (int i=0;i<list.size();i++) {
  52. Result r = (Result)list.get(i);
  53. examrecorddao.deleteExamrecordbyResult(r.getResultid());
  54. }
  55. resultdao.deleteResultbyStudent(s.getStudentid());
  56. studentdao.delete(s);
  57. commitTransaction();
  58. } catch (RuntimeException e) {
  59. rollbackTransaction();
  60. e.printStackTrace();
  61. throw e;
  62. }
  63. }
  65. public List findAllStudent() {
  66. return studentdao.findAllStudent();
  67. }
  69. public List findAllStudent(int pageno,int pagesize ) {
  70. return studentdao.findAllStudent(pageno,pagesize);
  71. }
  73. public Student findStudent(Long id) {
  74. return (Student)studentdao.load(Student.class,id);
  75. }
  77. public List findStudentByName(String name, int pageno, int pagesize) {
  78. return studentdao.findStudentByName(name,pageno,pagesize);
  79. }
  81. public int findStudentnum() {
  82. return studentdao.findStudentnum();
  83. }
  85. public int findStudentnumByName(String name) {
  86. return studentdao.findStudentnumByName(name);
  87. }
  89. public void updateStudent(Student s) {
  90. beginTransaction();
  91. studentdao.update(s);
  92. commitTransaction();
  93. }
  94. public boolean checkStudentNameExists(String name,Long id) {
  95. return studentdao.checkStudentNameExists(name,id);
  96. }
  97. }