frm_mealtype.pas

是一个用delphi设计的考勤系统

{
***************************************************************
*  说明：餐类信息维护                                           *
*  时间：2003/03/04                                           *
*  作者：杨泉清                                               *
***************************************************************
}
unit Frm_MealType;

interface

uses
   Windows, Messages, SysUtils, Variants, Classes, Graphics, Controls, Forms,
   Dialogs, ModalForm, DB, ADODB, ComCtrls, Grids, DBGrids, StdCtrls,
   YLabelButton, ChangeImage, Menus, ExtCtrls;

type
   TMealType = class(TMyModalForm)
      BtnNew: TChangeImg;
      LbtnNew: TLabelB;
      BtnEdit: TChangeImg;
      LBtnEdit: TLabelB;
      BtnDelete: TChangeImg;
      LBtnDelete: TLabelB;
      BtnRefresh: TChangeImg;
      LBtnRefresh: TLabelB;
      BtnHelp: TChangeImg;
      LBtnHelp: TLabelB;
      BtnFind: TChangeImg;
      LBtnFind: TLabelB;
      Label1: TLabel;
      Edtclbh: TEdit;
      Label2: TLabel;
      Edtclmc: TEdit;
      DBGrid1: TDBGrid;
      StatusBar1: TStatusBar;
      DataSource1: TDataSource;
      ADOQry: TADOQuery;
      GroupBox1: TGroupBox;
      ADOStp: TADOStoredProc;
      Label3: TLabel;
      Label4: TLabel;
      edtkssj: TDateTimePicker;
      edtjssj: TDateTimePicker;
      procedure BtnNewClick(Sender: TObject);
      procedure BtnEditClick(Sender: TObject);
      procedure BtnDeleteClick(Sender: TObject);
      procedure BtnRefreshClick(Sender: TObject);
      procedure BtnFindClick(Sender: TObject);
      procedure BtnHelpClick(Sender: TObject);
      procedure DBGrid1CellClick(Column: TColumn);
      procedure FormClose(Sender: TObject; var Action: TCloseAction);
      procedure EdtclbhKeyDown(Sender: TObject; var Key: Word;
         Shift: TShiftState);
      procedure FormShow(Sender: TObject);
      procedure FormDestroy(Sender: TObject);
   private
    { Private declarations }
      procedure InitValue; //初始化窗体数据
      procedure SetEditValue; //设置各显示框的数据值
      function CheckValue: boolean; //检查各个输入框值的准确性
      procedure ExecStore(optmode: integer); //执行存储过程
   public
    { Public declarations }
   end;

var
   MealType: TMealType;

implementation
uses
   DM_DataModal, Uglobal, UgeneralFunc;
{$R *.dfm}

procedure TMealType.InitValue;
begin
   Edtclbh.Text := '';
   Edtclmc.Text := '';
   Edtclbh.SetFocus;
   statusbar1.Panels[2].Text := 'Insert';
   with AdoQry do
   begin
      sql.Clear;
      sql.Add('select * from Zx_S_Clsz');
      open;
   end;
end;

procedure TMealType.SetEditValue;
begin
   if AdoQry.RecordCount > 0 then
   begin
      Edtclbh.Text := AdoQry.fieldbyname('clbh').asstring;
      Edtclmc.Text := AdoQry.fieldbyname('clmc').asstring;
      Edtkssj.DateTime := strtodatetime(AdoQry.fieldbyname('kssj').asstring);
      Edtjssj.DateTime := strtodatetime(AdoQry.fieldbyname('jssj').asstring);
   end;
end;

function TMealType.CheckValue: boolean;
begin
   result := false;
   if Edtclbh.Text = '' then
   begin
      statusbar1.Panels[1].Text := '餐类编号不可为空值，请输入！';
      Edtclbh.SetFocus;
      Edtclbh.SelectAll;
      exit;
   end;
   Result := true;
end;

procedure TMealType.ExecStore(OptMode: integer);
begin
   with AdoStp do
   begin
      parameters.ParamByName('@czfs').Value := OptMode;
      parameters.ParamByName('@clbh').Value := Edtclbh.Text;
      parameters.ParamByName('@clmc').Value := Edtclmc.Text;
      Parameters.ParamByName('@kssj').Value := formatdatetime('hh:mm:ss', Edtkssj.DateTime);
      parameters.ParamByName('@jssj').Value := formatdatetime('hh:mm:ss', Edtjssj.DateTime);
      try
         Execproc;
         Statusbar1.Panels[1].Text := parameters.paramByName('@retmsg').Value;
         InitValue;
      except
         Statusbar1.Panels[1].Text := '维护餐类信息时出现意外！';
      end;
   end;
end;

procedure TMealType.BtnNewClick(Sender: TObject);
begin
   inherited;
   if CheckValue then ExecStore(1);
end;

procedure TMealType.BtnEditClick(Sender: TObject);
begin
   inherited;
   if CheckValue then ExecStore(3);
end;

procedure TMealType.BtnDeleteClick(Sender: TObject);
var
   msg: string;
begin
   inherited;
   msg := '请确认要删除该笔卡类信息！';
   if showmsg(msg, 0, 2) then
   begin
      ExecStore(2);
   end
   else
      statusbar1.Panels[1].Text := '删除操作已取消！';
end;

procedure TMealType.BtnRefreshClick(Sender: TObject);
begin
   inherited;
   InitValue;
   statusbar1.Panels[1].Text := '';
end;

procedure TMealType.BtnFindClick(Sender: TObject);
var
   Sqlstr: string;
   iRec: integer;
begin
   inherited;
   irec := 0;
   Sqlstr := 'select * from zx_s_clsz';
   if (length(trim(Edtclbh.Text)) > 0) then
   begin
      if irec < 1 then
      begin
         SqlStr := Sqlstr + ' where (clbh like ''' + trim(Edtclbh.text) + ''')';
         inc(irec);
      end
      else begin
         SqlStr := Sqlstr + ' and (clbh like ''' + trim(Edtclbh.text) + ''')';
         inc(irec);
      end;
   end;
   if (length(trim(Edtclmc.Text)) > 0) then
   begin
      if irec < 1 then
      begin
         SqlStr := Sqlstr + ' where (clmc like ''' + trim(Edtclmc.text) + ''')';
         inc(irec);
      end
      else begin
         SqlStr := Sqlstr + ' and (clmc like ''' + trim(Edtclmc.text) + ''')';
         inc(irec);
      end;
   end;
   if irec = 0 then
   begin
      statusbar1.Panels[1].Text := '请输入查询条件,只能根据餐类编号或餐类名称进行查询！';
      exit;
   end;
   with Adoqry do
   begin
      sql.Clear;
      sql.Add(sqlstr);
      open;
   end;
   if Adoqry.RecordCount > 0 then
   begin
      SetEditValue;
      Edtclbh.SetFocus;
      edtclbh.SelectAll;
      statusbar1.Panels[1].Text := '查找到' + inttostr(Adoqry.RecordCount) + '笔符合条件的记录！';
      statusbar1.Panels[2].Text := 'Modify'
   end
   else begin
      InitValue;
      statusbar1.Panels[1].Text := '无符合条件的餐类信息！';
   end;

end;

procedure TMealType.BtnHelpClick(Sender: TObject);
begin
   inherited;
  //帮助信息
   HtmlHelp(Handle, gtSyscs.sHelpFileName, $0001, DWORD(PChar('Introduction.htm')));
end;

procedure TMealType.DBGrid1CellClick(Column: TColumn);
begin
   inherited;
   SetEditValue;
   Edtclbh.SetFocus;
   Edtclbh.SelectAll;
   statusbar1.Panels[2].Text := 'Modify';
end;

procedure TMealType.FormClose(Sender: TObject; var Action: TCloseAction);
begin
   inherited;
   Action := Cafree;
end;

procedure TMealType.EdtclbhKeyDown(Sender: TObject; var Key: Word;
   Shift: TShiftState);
var
   Sqlstr: string;
begin
   inherited;
   if key = 13 then
   begin
      if Edtclbh.Text = '' then
      begin
         statusbar1.Panels[1].Text := '餐类编号不可为空值，请输入！';
         exit;
      end;
      SqlStr := 'select * from zx_s_clsz  where clbh like ''' + trim(edtclbh.text) + '''';
      with Adoqry do
      begin
         sql.Clear;
         sql.Add(sqlstr);
         open;
      end;
      if Adoqry.RecordCount > 0 then
      begin
         SetEditValue;
         statusbar1.Panels[1].Text := '查找到' + inttostr(Adoqry.RecordCount) + '笔符合条件的记录！';
         statusbar1.Panels[2].Text := 'Modify'
      end;
      Edtclmc.SetFocus;
      edtclmc.SelectAll;
   end;

end;

procedure TMealType.FormShow(Sender: TObject);
var
   Sqlstr: string;
begin
   inherited;
   InitValue;
end;

procedure TMealType.FormDestroy(Sender: TObject);
begin
   inherited;
   MealType := nil;
end;

end.