@Override
public int doCreate(Student student) throws Exception {
String sql =
"insert into student(stuNumber,stuPassword,stuName,stuSex,stuIdentification,stuIsGat,stuPhone,departmentId,majorId,gradeNow,nationMark,birthday,address,politics) values(?,?,?,?,?,?,?,?,?,?,?,?,?,?)";
try {
pstmt = conn.prepareStatement(sql);
pstmt.setString(1, student.getStuNumber());
pstmt.setString(2, student.getStuPassword());
pstmt.setString(3, student.getStuName());
pstmt.setString(4, student.getStuSex());
pstmt.setString(5, student.getStuIdentification());
pstmt.setString(6, student.getStuIsGat());
pstmt.setString(7, student.getStuPhone());
pstmt.setInt(8, student.getDepartmentId());
pstmt.setInt(9, student.getMajorId());
pstmt.setString(10, student.getGradeNow());
pstmt.setInt(11, student.getNationMark());
pstmt.setString(12, student.getBithday());
pstmt.setString(13, student.getAddress());
pstmt.setString(14, student.getPolitics());
result = pstmt.executeUpdate();
} catch (Exception e) {
e.printStackTrace();
} finally {
DatabaseConnection.closePreparedStatement(pstmt);
DatabaseConnection.closeConnection(conn);
}
return result;
}
@Override
public int doUpdate(int id, Student student) throws Exception {
String sql =
"update student set stuNumber=?,stuPassword=?,stuName=?,stuSex=?,stuIdentification=?,stuIsGat=?,stuPhone=?,departmentId=?,majorId=?,gradeNow=?,nationMark=?,birthday=?,address=?,politics=? where id=?";
try {
pstmt = conn.prepareStatement(sql);
pstmt.setString(1, student.getStuNumber());
pstmt.setString(2, student.getStuPassword());
pstmt.setString(3, student.getStuName());
pstmt.setString(4, student.getStuSex());
pstmt.setString(5, student.getStuIdentification());
pstmt.setString(6, student.getStuIsGat());
pstmt.setString(7, student.getStuPhone());
pstmt.setInt(8, student.getDepartmentId());
pstmt.setInt(9, student.getMajorId());
pstmt.setString(10, student.getGradeNow());
pstmt.setInt(11, student.getNationMark());
pstmt.setString(12, student.getBithday());
pstmt.setString(13, student.getAddress());
pstmt.setString(14, student.getPolitics());
pstmt.setInt(15, id);
result = pstmt.executeUpdate();
} catch (Exception e) {
e.printStackTrace();
} finally {
DatabaseConnection.closePreparedStatement(pstmt);
DatabaseConnection.closeConnection(conn);
}
return result;
}
@Override
public StudentView findByIdV(int id) throws Exception {
StudentView sv = null;
String sql = "select * from student where id=?";
try {
pstmt = conn.prepareStatement(sql);
pstmt.setInt(1, id);
rs = pstmt.executeQuery();
while (rs.next()) {
sv = new StudentView();
sv.setId(rs.getInt(1));
sv.setStuNumber(rs.getString(2));
sv.setStuPassword(rs.getString(3));
sv.setStuName(rs.getString(4));
sv.setStuSex(rs.getString(5));
sv.setStuIdentification(rs.getString(6));
sv.setStuIsGat(rs.getString(7));
sv.setStuPhone(rs.getString(8));
// 部门转换
int depId = rs.getInt(9);
DepartmentDaoProxy ddp = new DepartmentDaoProxy();
sv.setDepartmentName(ddp.findById(depId).getDepartmentName());
// 专业转换
int majId = rs.getInt(10);
MajorClassDaoProxy mcdp = new MajorClassDaoProxy();
sv.setMajorClassName(mcdp.findById(majId).getMajorClassName());
sv.setGradeNow(rs.getString(11));
// 民族转换
int nationId = rs.getInt(12);
NationDaoProxy ndp = new NationDaoProxy();
sv.setNationName(ndp.getNameById(nationId));
sv.setBirthday(rs.getString(13));
sv.setAddress(rs.getString(14));
sv.setPolitics(rs.getString(15));
}
} catch (Exception e) {
e.printStackTrace();
} finally {
DatabaseConnection.closeResultSet(rs);
DatabaseConnection.closePreparedStatement(pstmt);
DatabaseConnection.closeConnection(conn);
}
return sv;
}
@Override
public int doDelete(int id) throws Exception {
String sql = "delete from student where id=?";
try {
pstmt = conn.prepareStatement(sql);
pstmt.setInt(1, id);
result = pstmt.executeUpdate();
} catch (Exception e) {
e.printStackTrace();
} finally {
DatabaseConnection.closePreparedStatement(pstmt);
DatabaseConnection.closeConnection(conn);
}
return result;
}
@Override
public int doChangePassword(String stuNumber, String stuPassword) throws Exception {
String sql = "update student set stuPassword=? where stuNumber=?";
try {
pstmt = conn.prepareStatement(sql);
pstmt.setString(1, stuPassword);
pstmt.setString(2, stuNumber);
result = pstmt.executeUpdate();
} catch (Exception e) {
e.printStackTrace();
} finally {
DatabaseConnection.closePreparedStatement(pstmt);
DatabaseConnection.closeConnection(conn);
}
return result;
}
@Override
public List<Student> findByFourCondition(
String stuNumber, String stuName, int stuMajId, String stuGradeNow) throws Exception {
List<Student> studentList = new ArrayList<Student>();
Student student = null;
String sql =
"select * from student where stuNumber like ? and stuName like ? and majorId=? and gradeNow=?";
try {
pstmt = conn.prepareStatement(sql);
pstmt.setString(1, "%" + stuNumber + "%");
pstmt.setString(2, "%" + stuName + "%");
pstmt.setInt(3, stuMajId);
pstmt.setString(4, stuGradeNow);
rs = pstmt.executeQuery();
while (rs.next()) {
student = new Student();
student.setId(rs.getInt(1));
student.setStuNumber(rs.getString(2));
student.setStuPassword(rs.getString(3));
student.setStuName(rs.getString(4));
student.setStuSex(rs.getString(5));
student.setStuIdentification(rs.getString(6));
student.setStuIsGat(rs.getString(7));
student.setStuPhone(rs.getString(8));
student.setDepartmentId(rs.getInt(9));
student.setMajorId(rs.getInt(10));
student.setGradeNow(rs.getString(11));
student.setNationMark(rs.getInt(12));
student.setBithday(rs.getString(13));
student.setAddress(rs.getString(14));
student.setPolitics(rs.getString(15));
studentList.add(student);
}
} catch (Exception e) {
e.printStackTrace();
} finally {
DatabaseConnection.closeResultSet(rs);
DatabaseConnection.closePreparedStatement(pstmt);
DatabaseConnection.closeConnection(conn);
}
return studentList;
}
@Override
public Student findByStuNumber(String stuNumber) throws Exception {
Student student = null;
String sql = "select * from student where stuNumber=?";
try {
pstmt = conn.prepareStatement(sql);
pstmt.setString(1, stuNumber);
rs = pstmt.executeQuery();
while (rs.next()) {
student = new Student();
student.setId(rs.getInt(1));
student.setStuNumber(rs.getString(2));
student.setStuPassword(rs.getString(3));
student.setStuName(rs.getString(4));
student.setStuSex(rs.getString(5));
student.setStuIdentification(rs.getString(6));
student.setStuIsGat(rs.getString(7));
student.setStuPhone(rs.getString(8));
student.setDepartmentId(rs.getInt(9));
student.setMajorId(rs.getInt(10));
student.setGradeNow(rs.getString(11));
student.setNationMark(rs.getInt(12));
student.setBithday(rs.getString(13));
student.setAddress(rs.getString(14));
student.setPolitics(rs.getString(15));
}
} catch (Exception e) {
e.printStackTrace();
} finally {
DatabaseConnection.closeResultSet(rs);
DatabaseConnection.closePreparedStatement(pstmt);
DatabaseConnection.closeConnection(conn);
}
return student;
}
