本文整理自网络,侵删。
Delphi单元PAS代码:
unit Unit1;
interface
uses Winapi.Windows, Winapi.Messages, System.SysUtils, System.Variants, System.Classes, Vcl.Graphics, Vcl.Controls, Vcl.Forms, Vcl.Dialogs, FireDAC.Stan.Intf, FireDAC.Stan.Option, FireDAC.Stan.Error, FireDAC.UI.Intf, FireDAC.Phys.Intf, FireDAC.Stan.Def, FireDAC.Stan.Pool, FireDAC.Stan.Async, FireDAC.Phys, FireDAC.Phys.MSSQL, FireDAC.Phys.MSSQLDef, FireDAC.VCLUI.Wait, FireDAC.Comp.UI, Data.DB, FireDAC.Comp.Client, Vcl.StdCtrls;
type TForm1 = class(TForm) FDConnection1: TFDConnection; FDGUIxWaitCursor1: TFDGUIxWaitCursor; grp1: TGroupBox; edtServer: TEdit; lbl1: TLabel; edtUser_Name: TEdit; lbl2: TLabel; edtPassword: TEdit; lbl3: TLabel; grp2: TGroupBox; edtCount: TEdit; lbl4: TLabel; btn1: TButton; mmo1: TMemo; procedure btn1Click(Sender: TObject); private { Private declarations } public { Public declarations } end;
var Form1: TForm1;
implementation
{$R *.dfm}
procedure TForm1.btn1Click(Sender: TObject);var t1, t2, t3: Extended; i, count: integer;begin FDConnection1.Close; FDConnection1.Params.Values['Server'] := edtServer.Text; FDConnection1.Params.Values['User_Name'] := edtUser_Name.Text; FDConnection1.Params.Values['Password'] := edtPassword.Text;
t1 := GetTickCount; count := StrToIntDef(edtCount.Text, 0); for i := 0 to count - 1 do begin FDConnection1.Open(); FDConnection1.Close; end; t2 := GetTickCount; t3 := (t2 - t1) / 1000; mmo1.Lines.Add(format('测试次数:%d 次;耗时:%f 秒;平均每次:%f 秒;', [count, t3, t3 / count] )); // 显示耗时end;
end.
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