realtyl24a.pas

来自「物业管理系统系统特点 一、 实现集中式管理 系统将集团公司、」· PAS 代码 · 共 242 行

unit realtyL24A;

interface

uses
  Windows, Messages, SysUtils, Variants, Classes, Graphics, Controls, Forms,
  Dialogs, dbcgrids, Grids, DBGrids, DB, ADODB, StdCtrls, Buttons, ExtCtrls,
  StrUtils, ExtDlgs, ComCtrls, math, Menus, ImgList, ToolWin;

type
    Tf_realtyL24A = class(TForm)
    L1: TLabel;
    Label2: TLabel;
    Edit1: TEdit;
    Edit2: TEdit;
    Label1: TLabel;
    Button7: TButton;
    Button5: TButton;
    procedure FormKeyDown(Sender: TObject; var Key: Word;
      Shift: TShiftState);
    procedure Button2Click(Sender: TObject);
    procedure Button1Click(Sender: TObject);
    procedure FormCreate(Sender: TObject);
    procedure ToolButton10Click(Sender: TObject);
    procedure getId;
    procedure Button7Click(Sender: TObject);
    procedure Button5Click(Sender: TObject);

  private
    { Private declarations }
  public
    { Public declarations }
       bOK:bool;
       T:string;
  end;

var
  f_realtyL24A: Tf_realtyL24A;
  sNum:string;

implementation

uses data, main, Car4s931,realtyL24;

{$R *.dfm}

procedure Tf_realtyL24A.getId;
var
    query:TADOQuery;
    s:string;
    i:integer;
begin
    query:=TADOQuery.Create(nil);
    query.Connection:=datamoduleado.ADOConnection1;

    s := 'select top 1 * from 计量单位 ORDER BY 编号 DESC';
    Query.SQL.Add(s);
    Query.Open ;
    if query.recordcount > 0 then
    begin
        s:= Query.Fieldbyname('编号').AsString;
        s:= Copy(S, 1, 3);
        i:= strtoint(s)+1;
        if i<10 then edit1.text := '00'+inttostr(i)
        else if (i > 9) and (i<100) then edit1.text := '0'+inttostr(i)
    end
    else  edit1.text := '001';

    query.Close;
    query.free;
end;

procedure Tf_realtyL24A.FormCreate(Sender: TObject);
var
    query:TADOQuery;
    s:string;
    i:integer;
begin
    query:=TADOQuery.Create(nil);
    query.Connection:=datamoduleado.ADOConnection1;

    if f_realtyL24.bNew=true then
    begin
        getId;
    end;


    if f_realtyL24.bNew=false then
    begin
        query.SQL.Clear;
        query.SQL.Add('select * from 计量单位 where 编号='''+f_realtyL24.ListView1.Selected.Caption+'''');
        query.Open;
        if query.RecordCount>0 then
        begin
            edit1.Text:=query.fieldbyname('编号').Value;
            edit2.Text:=query.fieldbyname('名称').Value; 
        end;
    end;
    query.Close;
    query.Free;
end;

//Tab
procedure Tf_realtyL24A.FormKeyDown(Sender: TObject; var Key: Word;
  Shift: TShiftState);
begin
    if key=13 then
        Begin
            key:=0;
            perform(WM_NEXTDLGCTL,0,0);
        end
    else if key=VK_ESCAPE then close;
end;

procedure Tf_realtyL24A.Button2Click(Sender: TObject);
begin
    close;
end;

procedure Tf_realtyL24A.Button1Click(Sender: TObject);
var
    s:string;
    Query:TADOQuery;
    i:integer;
begin

end;


procedure Tf_realtyL24A.ToolButton10Click(Sender: TObject);
begin
    close;
end;
procedure Tf_realtyL24A.Button7Click(Sender: TObject);
var
    query:TADOQuery;
    s:string;
begin
    query:=TADOQuery.Create(nil);
    query.Connection:=datamoduleado.ADOConnection1;

    if Edit1.Text='' then
    begin
        showmessage('请输入代码。');
        Edit1.SetFocus;
        exit;
    end;

    if Edit2.Text='' then
    begin
        showmessage('请输入名称。');
        Edit2.SetFocus;
        exit;
    end;


    if f_realtyL24.bNew=true then
    begin
        Query.SQL.Add('select * from 计量单位 where 编号='''+Edit1.text+'''');
        Query.Open ;
        if query.RecordCount>0 then
        begin
            showmessage('代码重复，请重新输入');
            Edit1.SetFocus;
            query.Close ;
            query.Free ;
            exit;
        end;


        s:= 'insert into 计量单位(编号,名称) values(:s1,:s2)';

        query.sql.Clear ;
        query.sql.add(s);
        query.Parameters.ParamByName('s1').Value:=trim(Edit1.Text);
        query.Parameters.ParamByName('s2').Value:=trim(Edit2.Text);

        DataModuleADO.ADOConnection1.BeginTrans;
        query.execsql;
        DataModuleADO.ADOConnection1.CommitTrans;

        showmessage('保存成功。');

        query.SQL.Clear;
        query.SQL.Add('select * from 计量单位 where 编号='''+edit1.Text+'''');
        query.Open;
        if query.RecordCount>0 then
        begin
            with f_realtyL24.listview1.Items.Add do
            begin
                caption:=query.fieldbyname('编号').Value;
                subitems.Add(query.fieldbyname('名称').Value);
            end;
        end;
        query.Close;
        query.Free;

        if f_realtyL24.listview1.Items.Count>0 then f_realtyL24.listview1.Items.Item[0].Selected:=true;


        getId;
        edit2.Text:='';
        edit1.SetFocus;
    end;

    if f_realtyL24.bNew=false then    ///修改
    begin
        s:='update 计量单位 set 编号='''+edit1.text;
        s:=s+''',名称='''+edit2.Text;
        s:=s+''' where 编号='''+f_realtyL24.ListView1.Selected.Caption+'''';

        query.SQL.Clear;
        query.SQL.Add(s);
        DataModuleADO.ADOConnection1.BeginTrans;
        query.ExecSQL;
        DataModuleADO.ADOConnection1.CommitTrans;

        query.SQL.Clear;
        query.SQL.Add('select * from 计量单位 where 编号='''+edit1.text+'''');
        query.Open;
        if query.RecordCount>0 then
        begin
           with f_realtyL24.listview1.Selected do
            begin
                caption:=query.fieldbyname('编号').Value;
                subitems[0]:=query.fieldbyname('名称').Value;
            end;
        end;
        query.close;
        query.free;
        close;
    end;

end;

procedure Tf_realtyL24A.Button5Click(Sender: TObject);
begin
    close;
end;

end.