示例存储过程：

create procedure proc_login

username varchar(20),

password varchar(20)

as

declare @result int

select @result=count(*) from loginuser where user=@username and pass=@password

if @result=0

return 0

return 1

go

Delphi代码：

var ret:integer;

......

      with ADOStoredProc1 do

        begin

          Close;

          ProcedureName:='proc_login';

          Parameters.Clear;

          Parameters.Refresh;

          Parameters.ParamByName('@username').Value:= Edit1.text;

          Parameters.ParamByName('@password').Value:= Edit2.text;

          ExecProc;

          ret:= Parameters.ParamByName('@return_value').Value;

        end;

      if ret=1 //用户名密码匹配

     begin

       //你想要的操作

      end

示例二

在delphi中取存储过程的返回值

   Close;

    SQL.Clear;

    SQL.Text:='declare @ReturnCount int exec Pr_SelStockHead '''+StockNo+''',@ReturnCount output select @ReturnCount';

    open;

    CountNO:=fields[0].value;

    cxtxtdtNameCSHYH.Text:=IntToStr(CountNO);

在sql语句里面 如果有返回值的话,可以是用return 返回,,其他的都是参数返回,如果取参数的话 从 Parameters[1].Value 开始,如果取return 的返回值 要用Parameters[0].Value

调用存储过程的方法，用adodataset控件

function TfrmPower_Cut.HasNewPowerCutInfo: Boolean;

begin

Result := False;

with spPower_Cut do //spPower_Cut为Tadostoredproc控件

begin

    Close;

    ProcedureName := 'p_Has_PowerCut_Info';

    with Parameters do

    begin

      Clear;

      Refresh;

      ParamByName('@BiggestID').Direction := pdInputOutput;

      ParamByName('@BiggestID').Value := FPower_Cut_ID_Refresh;

      ParamByName('@NoProcess').Direction := pdInputOutput;

      ParamByName('@NoProcess').Value := FNoProcess;

      ParamByName('@IsPassTimeAndNoProc').Direction := pdInputOutput;

      ParamByName('@IsPassTimeAndNoProc').Value := FIsPassTimeAndNoProc;

      ParamByName('@IsNearestTime').Direction := pdInputOutput;

      ParamByName('@IsNearestTime').Value := FIsNearestTime;

      ParamByName('@IsDelete').Direction := pdInputOutput;

      ParamByName('@IsDelete').Value := FIsNearestTime;

      ParamByName('@Hour').Value := 3;

    end;

    Prepared;

    try

      ExecProc;

      if Parameters[0].Value <> FPower_Cut_ID_Refresh then

      begin

        FPower_Cut_ID_Refresh := Parameters[1].Value;

        Result := True;

      end;

      if Parameters[2].Value <> FNoProcess then

      begin

        FNoProcess := Parameters[2].Value;

        Result := True;

      end;

      if Parameters[3].Value <> FIsPassTimeAndNoProc then

      begin

        FIsPassTimeAndNoProc := Parameters[3].Value;

        Result := True;

      end;

      if Parameters[4].Value <> FIsNearestTime then

      begin

        FIsNearestTime := Parameters[4].Value;

        Result := True;

      end;

      if Parameters[5].Value <> FIsDelete then

      begin

        FIsDelete := Parameters[5].Value;

        Result := True;

      end;

    except

      on e: Exception do

        ShowMessage(e.Message);

    end;

end;

end;

存储过程

/*

功能: 判断数据库内是否有新的呼叫中心停电信息

参数: @BiggestID 客户端最大的记录ID,如果小于当前表中的ID,则返回最大的ID,客户端据此判断是否刷新

返回值: 无

*/

ALTER procedure p_Has_PowerCut_Info @BiggestID bigint=0 output, @NoProcess int=0 output,

@IsPassTimeAndNoProc int=0 output, @IsNearestTime int=0 output, @IsDelete int=0 output, @Hour int=3 as

begin

declare @tmp_ID bigint,@tmp_NoProcess int

select @tmp_ID=Power_Cut_ID from Power_Cut

if (@@error=0) and (@@rowcount>0)

    if @tmp_id>@BiggestID

      set @BiggestID=@tmp_ID

select @tmp_NoProcess=count(*) from Power_Cut where PC_ProcType=0

if (@@error=0) and (@@rowcount>0)

    set @NoProcess=@tmp_NoProcess

--超过发送时间未处理

select @IsPassTimeAndNoProc=count(case when (getdate()>PC_StartTime and PC_ProcType=0) then 1 end) from Power_Cut

--距离发送时间还有3小时未处理

select @IsNearestTime=count(case when (DATEDIFF(minute, getdate(), PC_StartTime)>=0 and DATEDIFF(minute, getdate(), PC_StartTime)<@Hour*60

    and PC_ProcType=0) then 1 end) from Power_Cut

select @IsDelete=count(*) from Power_Cut where PC_State=2

return @BiggestID

end

return 返回的是正确或错误的标志,比如 100: 成功 0: 失败(未知原因) 1: 参数错误 2: .... 然后参数里面返回具体需要的数据