Delphi学生学籍管理系统 第10页

frm_statusU学籍变动界面
public
    procedure FillData;override;
end;

procedure Tfrm_status.FillData;
begin
  DataSource_info.DataSet:=Control_StatusU.GetStatusArray;
  self.DBGrid_info.Columns[0].Visible  :=false;
end;
procedure Tfrm_status.ChangeUIByType(typeStr:string);
begin
  if (typeStr='退学') or (typeStr='休学') then
    begin
      self.Lab_newclass.Visible:=false;
      self.edt_newClass.Visible:=false;
      self.lab_newSchool.Visible:=false;
      self.edt_newSchool.Visible:=false;
    end
  else
    begin
      if (typeStr='转学') then
        begin
          self.Lab_newclass.Visible:=false;
          self.edt_newClass.Visible:=false;
          self.lab_newSchool.Visible:=true;
          self.edt_newSchool.Visible:=true;
        end;
      if (typeStr='调班') then
        begin
          self.Lab_newclass.Visible:=true;
          self.edt_newClass.Visible:=true;
          self.lab_newSchool.Visible:=false;
          self.edt_newSchool.Visible:=false;
        end;
    end;
end;
procedure Tfrm_status.cbx_typeChange(Sender: TObject);
begin
  inherited;
  ChangeUIByType(cbx_type.Text);
end;

procedure Tfrm_status.btn_addClick(Sender: TObject);
var
  Student:TStudent;
  Status:TStatus;
begin
  inherited;
 if((self.edt_stdNo.Text='')) then
        begin
           MessageBox(Handle, '内容填写不正确！', '信息', MB_ICONEXCLAMATION);
           exit;
        end;
     Student:=TStudent.Create;
     Student:=Control_StudentU.GetStudentByStudentNo(self.edt_stdNo.Text);
     if Student=nil then
       begin
         MessageBox(Handle, '学号填写不正确！', '信息', MB_ICONEXCLAMATION);
         edt_stdNo.SetFocus;
         exit;
       end;
     self.edt_oldClass.Text:=Student.ClassName;

    Status:=TStatus.Create;
    Status.studentNo:=self.edt_stdNo.Text;
    Status.changeType:=self.cbx_type.Text;
    Status.changeDate:=DateToStr(now);
    Status.oldClass:=self.edt_oldClass.Text;
    Status.newSchool:=self.edt_newSchool.Text;
    Status.newClass:=self.edt_newClass.Text;
    Status.reason:=self.Memo_reason.Text;
    Status.remark:=self.Memo_remark.Text;

      if(Control_StatusU.AddStatus(Status)) then
        begin
          MessageBox(Handle, '添加成功！', '信息', MB_ICONASTERISK);
          //刷新内容
          FillData;
        end
      else
        begin
          MessageBox(Handle, '添加失败！', '信息', MB_ICONEXCLAMATION);
          exit;
        end;
end;

procedure Tfrm_status.btn_delClick(Sender: TObject);
begin
  inherited;
  if MessageBox(Handle, '您确定要删除该条信息', '信息',
     MB_ICONQUESTION or MB_OKCANCEL) = IDOK then
    begin
      Control_statusU.Delstatus(self.edt_stdNo.Tag);
      FillData;
      if self.DBGrid_info.Fields[0].IsNull then
        exit;
      self.edt_stdNo.Tag:=self.DBGrid_info.Fields[0].Value;//保存id
      self.edt_stdNo.Text:=self.DBGrid_info.Fields[1].Value;
      self.cbx_type.Text:=self.DBGrid_info.Fields[2].Value;
      self.edt_changeDate.Text:=self.DBGrid_info.Fields[3].Value;
      self.edt_oldClass.Text:=self.DBGrid_info.Fields[4].Value;
      self.edt_newSchool.Text:=self.DBGrid_info.Fields[5].Value;
      self.edt_newClass.Text:=self.DBGrid_info.Fields[6].Value;
      self.Memo_reason.Text :=self.DBGrid_info.Fields[7].Value;
      self.Memo_remark.Text:=self.DBGrid_info.Fields[8].Value;
    end;
end;

procedure Tfrm_status.btn_editClick(Sender: TObject);
var
  status:Tstatus;
  Student:TStudent;
  typeStr:string;
begin
inherited;
  if edt_stdNo.Text ='' then
    begin
      MessageBox(Handle, '没有可以修改的数据！', '信息', MB_ICONEXCLAMATION);
      exit;
    end
  else
    begin
      if((edt_stdNo.Text='')) then
    begin
       MessageBox(Handle, '内容填写不正确！', '信息', MB_ICONEXCLAMATION);
       exit;
    end;
      Student:=TStudent.Create;
     Student:=Control_StudentU.GetStudentByStudentNo(self.edt_stdNo.Text);
     if Student=nil then
       begin
         MessageBox(Handle, '学号填写不正确！', '信息', MB_ICONEXCLAMATION);
         edt_stdNo.SetFocus;
         exit;
       end;
     self.edt_oldClass.Text:=Student.ClassName;
    typeStr:=self.cbx_type.Text;
     if (typeStr='退学') or (typeStr='休学') then
    begin
      self.edt_newClass.Text:='';
      self.edt_newSchool.Text:='';
    end
  else
    begin
      if (typeStr='转学') then
        begin
          self.edt_newClass.Text:='';
        end;
      if (typeStr='调班') then
        begin
          self.edt_newSchool.Text:='';
        end;
    end;

    Status:=TStatus.Create;
    Status.id:=self.edt_stdNo.Tag;
    Status.studentNo:=self.edt_stdNo.Text;
    Status.changeType:=self.cbx_type.Text;
    Status.changeDate:=self.edt_changeDate.Text;
    Status.oldClass:=self.edt_oldClass.Text;
    Status.newSchool:=self.edt_newSchool.Text;
    Status.newClass:=self.edt_newClass.Text;
    Status.reason:=self.Memo_reason.Text;
    Status.remark:=self.Memo_remark.Text;

  if(Control_statusU.Editstatus(status)) then
    begin
      MessageBox(Handle, '修改成功！', '信息', MB_ICONASTERISK);
      //刷新内容
      FillData;
    end
  else
     begin
      MessageBox(Handle, '修改失败！', '信息', MB_ICONEXCLAMATION);
      exit;
     end;
      self.edt_stdNo.SetFocus;
  end;
end;

procedure Tfrm_status.DBGrid_infoCellClick(Column: TColumn);
var
  typeStr:string;
begin
  inherited;
if self.DBGrid_info.Fields[0].IsNull then
    exit;
typeStr:=self.DBGrid_info.Fields[2].Value;//变动类型
if (typeStr='退学') or (typeStr='休学') then
    begin
      self.Lab_newclass.Visible:=false;
      self.edt_newClass.Visible:=false;
      self.lab_newSchool.Visible:=false;
      self.edt_newSchool.Visible:=false;
    end
  else
    begin
      if (typeStr='转学') then
        begin
          self.Lab_newclass.Visible:=false;
          self.edt_newClass.Visible:=false;
          self.lab_newSchool.Visible:=true;
          self.edt_newSchool.Visible:=true;
        end;
      if (typeStr='调班') then
        begin
          self.Lab_newclass.Visible:=true;
          self.edt_newClass.Visible:=true;
          self.lab_newSchool.Visible:=false;
          self.edt_newSchool.Visible:=false;
        end;
    end;
  self.edt_stdNo.Tag:=self.DBGrid_info.Fields[0].Value;//保存id
  self.edt_stdNo.Text:=self.DBGrid_info.Fields[1].Value;
  self.cbx_type.Text :=self.DBGrid_info.Fields[2].Value;

  self.edt_changeDate.Text:=DatetoStr(self.DBGrid_info.Fields[3].Value);
  self.edt_oldClass.Text:=self.DBGrid_info.Fields[4].Value;
  self.edt_newSchool.Text:=self.DBGrid_info.Fields[5].Value;
  self.edt_newClass.Text:=self.DBGrid_info.Fields[6].Value;
 
  self.Memo_reason.Text:=self.DBGrid_info.Fields[7].Value;
  self.Memo_remark.Text:=self.DBGrid_info.Fields[8].Value;
end;

procedure Tfrm_status.btn_search_stdNoClick(Sender: TObject);
begin
  inherited;
  if self.edt_stdNo_s.Text='' then
    DataSource_info.DataSet:=Control_statusU.GetStatusArray
  else
    DataSource_info.DataSet:=GetStatusQueryByStdNo(self.edt_stdNo_s.Text);
  self.DBGrid_info.Columns[0].Visible  :=false;
end;frm_StudentU学生信息界面
private
    stdNo:string;//保存当前学生证号
  public
    //填充数据
    procedure FillData;override;
  end;

procedure Tfrm_Student.FillData;
begin
  DataSource_info.DataSet:=Control_StudentU.GetStudentArray;
  self.DBGrid_info.Columns[2].Visible  :=false;//照片路径不可见
  Control_classU.FillCombobox(self.cbx_class);
end;

procedure Tfrm_Student.FormShow(Sender: TObject);
begin
  inherited;
   FillData;
end;

procedure Tfrm_Student.DBGrid_infoCellClick(Column: TColumn);
var
  WorkPath:string;
begin
  if self.DBGrid_info.Fields[0].IsNull then
    exit;
  stdNo:= self.DBGrid_info.Fields[0].Value;//保存当前学生证号
  self.edt_studentNo.Text :=self.DBGrid_info.Fields[0].Value;
  self.edt_name.Text:=self.DBGrid_info.Fields[1].Value;
   //显示照片信息
  WorkPath := ExtractFilePath(Application.ExeName);
  try
  self.image_pic.Picture.LoadFromFile(WorkPath+self.DBGrid_info.Fields[2].Value);
  except
  self.image_pic.Picture:=nil;
  end;
  self.cbx_sex.Text:=self.DBGrid_info.Fields[3].Value;
  self.edt_nation.Text:=self.DBGrid_info.Fields[4].Value;
  self.DTP_birthday.Date:=self.DBGrid_info.Fields[5].Value;
  self.edt_native.Text :=self.DBGrid_info.Fields[6].Value;
  self.edt_IDCard.Text:=self.DBGrid_info.Fields[7].Value;
  self.edt_hometel.Text:=self.DBGrid_info.Fields[8].Value;
  self.edt_address.Text:=self.DBGrid_info.Fields[9].Value;
  self.edt_postalcode.Text:=self.DBGrid_info.Fields[10].Value;
  self.DTP_indate.Date:=self.DBGrid_info.Fields[11].Value;
  self.cbx_class.Text:=self.DBGrid_info.Fields[12].Value;
  self.edt_duty.Text:=self.DBGrid_info.Fields[13].Value;
  self.Memo_remark.Text:=self.DBGrid_info.Fields[14].Value;
  inherited;
end;

procedure Tfrm_Student.btn_addClick(Sender: TObject);
var
  Student:TStudent;
  WorkPath:string;
begin
  inherited;
 if((self.edt_studentNo.Text='') or (edt_Name.Text='')
        or (edt_nation.Text='') or (self.edt_native.Text='')
        or (edt_IDCard.Text='') or (self.edt_homeTel.Text='')
        or (edt_address.Text='') or (self.edt_postalcode.Text='')
        ) then
        begin
           MessageBox(Handle, '*为必填信息！', '信息', MB_ICONEXCLAMATION);
           exit;
        end;
       //查找是否存在重复
      if (Control_StudentU.GetStudentByStudentNo(trim(edt_studentNo.Text)))<>nil then
        begin
          MessageBox(Handle, '该学号已经存在,请重新设置！', '信息', MB_ICONEXCLAMATION);
          exit;
        end;
     WorkPath := ExtractFilePath(Application.ExeName);
     Student:=TStudent.Create;
     Student.stdNo:=self.edt_studentNo.Text;
     Student.stdName:=self.edt_name.Text;
     Student.picPath:='photo\'+Student.stdNo+'.bmp';
     Student.sex:=self.cbx_sex.Text;
     Student.nation:=self.edt_nation.Text;
     Student.birthday:=DateToStr(self.DTP_birthday.date);
     Student.native:=self.edt_native.Text;
     Student.IDCard:=self.edt_IDCard.Text;
     Student.homeTel:=self.edt_homeTel.Text;
     Student.address:=self.edt_address.Text;
     Student.postalcode:=self.edt_postalcode.Text;
     Student.inDate:=DateTostr(self.DTP_indate.Date);
     Student.ClassName:=self.cbx_class.Text;
     Student.duty:=self.edt_duty.Text;
     Student.remark:=self.Memo_remark.Text;
          
      if(Control_StudentU.AddStudent(Student)) then
        begin

          self.image_pic.Picture.SaveToFile(WorkPath+Student.picPath);
          MessageBox(Handle, '添加成功！', '信息', MB_ICONASTERISK);
          //刷新内容
          FillData;
        end
      else
        begin
          MessageBox(Handle, '添加失败！', '信息', MB_ICONEXCLAMATION);
          exit;
        end;

end;

procedure Tfrm_Student.btn_delClick(Sender: TObject);
begin
 if MessageBox(Handle, '您确定要删除该学生信息', '信息',
         MB_ICONQUESTION or MB_OKCANCEL) = IDOK then
        begin
          Control_StudentU.DelStudent(self.edt_studentNo.Text);
          FillData;
          if self.DBGrid_info.Fields[0].IsNull then
            exit;
          self.edt_studentNo.Text :=self.DBGrid_info.Fields[0].Value;
          self.edt_name.Text:=self.DBGrid_info.Fields[1].Value;
          self.image_pic.Picture.LoadFromFile(self.DBGrid_info.Fields[2].Value);
          self.cbx_sex.Text:=self.DBGrid_info.Fields[3].Value;
          self.edt_nation.Text:=self.DBGrid_info.Fields[4].Value;
          self.DTP_birthday.Date:=self.DBGrid_info.Fields[5].Value;
          self.edt_native.Text :=self.DBGrid_info.Fields[6].Value;
          self.edt_IDCard.Text:=self.DBGrid_info.Fields[7].Value;
          self.edt_hometel.Text:=self.DBGrid_info.Fields[8].Value;
          self.edt_address.Text:=self.DBGrid_info.Fields[9].Value;
          self.edt_postalcode.Text:=self.DBGrid_info.Fields[10].Value;
          self.DTP_indate.Date:=self.DBGrid_info.Fields[11].Value;
          self.cbx_class.Text:=self.DBGrid_info.Fields[12].Value;
          self.edt_duty.Text:=self.DBGrid_info.Fields[13].Value;
          self.Memo_remark.Text:=self.DBGrid_info.Fields[14].Value;
        end;
end;

procedure Tfrm_Student.btn_editClick(Sender: TObject);
var
  Student:TStudent;
  WorkPath:string;
begin
inherited;
  if edt_StudentNo.Text ='' then
    begin
       MessageBox(Handle, '没有可以修改的数据！', '信息', MB_ICONEXCLAMATION);
      exit;
    end
  else
    begin
      if((self.edt_studentNo.Text='') or (edt_Name.Text='')
        or (edt_nation.Text='') or (self.edt_native.Text='')
        or (edt_IDCard.Text='') or (self.edt_homeTel.Text='')
        or (edt_address.Text='') or (self.edt_postalcode.Text='')
        ) then
      begin
         MessageBox(Handle, '*为必填信息！', '信息', MB_ICONEXCLAMATION);
         exit;
      end;
  //查找是否存在重复
  Student:=TStudent.Create;
  Student:=GetStudentByStudentNo(trim(edt_StudentNo.Text));
  if(Student<>nil) then
    begin
      if(Student.stdNo<>stdNo) then
        begin
          MessageBox(Handle, '该学生证号已经存在,请重新设置！', '信息', MB_ICONEXCLAMATION);
          exit;
        end;
    end;
   WorkPath := ExtractFilePath(Application.ExeName);
   Student:=TStudent.Create;
   Student.stdNo:=self.edt_studentNo.Text;
   Student.stdName:=self.edt_name.Text;
   Student.picPath:='photo\'+Student.stdNo+'.bmp';
   Student.sex:=self.cbx_sex.Text;
   Student.nation:=self.edt_nation.Text;
   Student.birthday:=DateToStr(self.DTP_birthday.date);
   Student.native:=self.edt_native.Text;
   Student.IDCard:=self.edt_IDCard.Text;
   Student.homeTel:=self.edt_homeTel.Text;
   Student.address:=self.edt_address.Text;
   Student.postalcode:=self.edt_postalcode.Text;
   Student.inDate:=DateTostr(self.DTP_indate.Date);
   Student.ClassName:=self.cbx_class.Text;
   Student.duty:=self.edt_duty.Text;
   Student.remark:=self.Memo_remark.Text;
  if(Control_StudentU.EditStudent(Student,stdNo)) then
    begin
      self.image_pic.Picture.SaveToFile(WorkPath+Student.picPath);
      MessageBox(Handle, '修改成功！', '信息', MB_ICONASTERISK);
      //刷新内容
      FillData;
    end
  else
     begin
      MessageBox(Handle, '修改失败！', '信息', MB_ICONEXCLAMATION);
      exit;
     end;
      self.edt_StudentNo.SetFocus;
  end;
end;

procedure Tfrm_Student.btn_search_nameClick(Sender: TObject);
begin
  inherited;
if self.edt_name_s.Text='' then
  self.FillData
else
  begin
    self.DataSource_info.DataSet:=
         Control_StudentU.GetStudentByName(trim(self.edt_name_s.Text));
    self.DBGrid_info.Columns[2].Visible  :=false;
  end;
end;

procedure Tfrm_Student.image_picClick(Sender: TObject);
begin
  inherited;
  if self.OpenD_pic.Execute then
   begin
    image_pic.Picture.LoadFromFile(self.OpenD_pic.FileName );
   end;
end;

procedure Tfrm_Student.edt_postalcodeKeyPress(Sender: TObject;
  var Key: Char);
begin
  inherited;
if not((key in ['0'..'9',#8,#13])) then
    key:=#0;
end;

procedure Tfrm_Student.btn_search_stdNoClick(Sender: TObject);
begin
  inherited;
if self.edt_stdNo_s.Text='' then
  self.FillData
else
  begin
    self.DataSource_info.DataSet:=
         Control_StudentU.GetStudentQueryByStudentNo(trim(self.edt_stdNo_s.Text));
    self.DBGrid_info.Columns[2].Visible  :=false;
  end;
end;

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