yujiao.dpr

电力行业前台收费程序,需要有后台SQL数据库,和电费管理系统配合应用.

library YuJiao;

uses
  Forms,
  Dialogs,
  MainOutUnit in '..\..\MainOutUnit.pas',
  UnitDataMD in 'UnitDataMD.pas' {DataMd: TDataModule},
  Prepay in 'Prepay.pas' {FormPrepay},
  SelOpDate in 'SelOpDate.pas' {FormOpDate};

var
  OldHandle:THandle;
{$R *.res}
procedure DLL_Create(AOwnerHandle:THandle);
begin
  OldHandle:=Application.Handle;
  DCntString:='';               
  DCurHUHAO :='';               
  DCurYHID  :=-1;               
  DCurLSH   :='';               
  DCurSFXH  :=-1;               
  DCurOpID  :=-1;               
  DCurOpName:='';               
  Application.Handle:=AOwnerHandle;
  InitMainOutFun;
end;

procedure DLL_Destory;
begin
  Application.Handle:=OldHandle;
end;

procedure DLL_InitDatabase(ConnectionStr,HuHao,LSH,OpName:PChar;YongHuID,ShouFeiXH,OpID:Integer);
begin
  DCntString:=ConnectionStr;
  DCurHUHAO :=HuHao;
  DCurYHID  :=YongHuID;
  DCurLSH   :=LSH;
  DCurSFXH  :=ShouFeiXH;
  DCurOpID  :=OpID;               
  DCurOpName:=OpName;
  with DataMD do begin
     ADOConnection.ConnectionString:=ConnectionStr;
     ADOConnection.Connected:=True;
  end;
end;

procedure DLL_Open;
var
  FormPrepay: TFormPrepay;
begin
  FormPrepay:= TFormPrepay.Create(Application);
  FormPrepay.ShowModal;
  FormPrepay.Free;
end;

procedure DLL_Prepay(YuJiaoFee:double);
var
  FormPrepay: TFormPrepay;
begin
  FormPrepay:=TFormPrepay.Create(Application);
  FormPrepay.EditHH.Text:=DCurHUHAO;
  FormPrepay.CEditYuJiao.Value:=YuJiaoFee;
  FormPrepay.YuJiao;
  FormPrepay.ShowModal;
  FormPrepay.Free;
end;

procedure LibraryProc(Reason: Integer);
begin{DLL的初始化和卸载函数}
  case Reason of
    0:begin
        DataMd.Free;
      end;
    1:begin
        DataMd:=TDataMd.Create(Application);
      end;
  end;
end;

exports
  DLL_Create,DLL_Destory,DLL_InitDatabase,DLL_Open,DLL_Prepay;

begin
   DLLProc:=@LibraryProc;
   DLLProc(1);
end.