fslrunit.pas

高校学生学籍管理系统源码

unit fslrunit;

interface

uses
  Windows, Messages, SysUtils, Variants, Classes, Graphics, Controls, Forms,
  Dialogs, StdCtrls, ExtCtrls, DB, DBTables, Mask;

type
  Tfslrfrm = class(TForm)
    Panel1: TPanel;
    Label1: TLabel;
    Label2: TLabel;
    Label3: TLabel;
    Label4: TLabel;
    Label5: TLabel;
    Label6: TLabel;
    Label7: TLabel;
    Label8: TLabel;
    Label9: TLabel;
    Label10: TLabel;
    Label11: TLabel;
    Edit1: TEdit;
    Edit2: TEdit;
    Edit3: TEdit;
    Edit4: TEdit;
    Edit5: TEdit;
    Edit7: TEdit;
    Edit9: TEdit;
    Edit10: TEdit;
    Edit11: TEdit;
    Button1: TButton;
    DataSource1: TDataSource;
    qry: TQuery;
    MaskEdit1: TMaskEdit;
    ComboBox1: TComboBox;
    procedure Edit1Exit(Sender: TObject);
    procedure Edit4Exit(Sender: TObject);
    procedure Button1Click(Sender: TObject);
    procedure Edit1KeyPress(Sender: TObject; var Key: Char);
  private
    { Private declarations }
  public
    { Public declarations }
  end;

var
  fslrfrm: Tfslrfrm;

implementation

uses fplrunit, datadomule;

{$R *.dfm}

procedure Tfslrfrm.Edit1Exit(Sender: TObject);
begin
with qry do
begin
close;
sql.Clear ;
sql.Add('select * from xsmc where xsxh_id=:id') ;
parambyname('id').asstring:=edit1.text;
open;
if not findfirst then
begin
application.MessageBox('该学生的不存在!','提示',mb_ok+mb_iconinformation);
edit1.Clear ;
edit1.SetFocus ;
exit;
end;

edit2.text:=fields[5].asstring;
edit3.text:=fields[3].asstring;
end;
end;

procedure Tfslrfrm.Edit4Exit(Sender: TObject);
begin
with datamodule1.qry_fslr do
begin
close;
sql.Clear ;
sql.add('select * from kcb0 where kcbh=:id');
parambyname('id').asstring:=edit4.Text;
open;

if not findfirst then
begin
application.MessageBox('没有找到该课的信息，请在课程维护里添加这门课程!','提示',mb_ok+mb_iconinformation);
edit4.Clear ;
edit4.SetFocus ;
exit;
end;

edit5.text:=fields[1].asstring;
combobox1.text:=fields[2].asstring;
edit7.text:=fields[3].asstring;
edit9.text:=fields[4].asstring;
end;
end;

procedure Tfslrfrm.Button1Click(Sender: TObject);
begin
if (edit1.text='') or (edit4.text='') or (edit11.text='') then
begin
application.MessageBox('请输入完整信息!','提示',mb_ok+mb_iconinformation);
exit;
end;


with qry do     //同样的课程不可能学2次
begin
close;
sql.Clear;
sql.add('select * from cjb0 where xsxh_id=:id and kcbh=:bh');
parambyname('id').asstring:=edit1.text;
parambyname('bh').asstring:=edit4.text;
open;
if recordcount>0 then
begin
application.MessageBox('该学生的成绩已经存在!','提示',mb_ok+mb_iconinformation);
fslrfrm.Close;
exit;

end;
end;

with datamodule1.qry_fslr do
begin
close;
sql.Clear;
sql.add('select * from cjb0');
open;
edit;
append;
fields[1].asstring:=edit1.text;
fields[2].asstring:=edit2.text;
fields[3].asstring:=edit3.text;
fields[4].asstring:=edit4.text;
fields[5].asstring:=edit5.text;
fields[6].asstring:=combobox1.text;
fields[7].asstring:=edit7.text;
fields[8].asstring:=maskedit1.text;
fields[9].asstring:=edit9.text;
fields[10].asstring:=edit11.text;
fields[11].asstring:=edit10.text;
post;
end;
edit1.Clear;
edit4.Clear;
edit10.Clear;
edit11.Clear;
edit1.SetFocus ;
application.MessageBox('成绩输入成功!','提示',mb_ok+mb_iconinformation);
end;

procedure Tfslrfrm.Edit1KeyPress(Sender: TObject; var Key: Char);
begin
if key=#13 then
selectnext (activecontrol,true,true);
end;

end.