📄 picdesc.pas
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unit PicDesc;
interface
uses
Windows, Messages, SysUtils, Variants, Classes, Graphics, Controls, Forms,
Dialogs, ExamDesc, cxStyles, cxCustomData, cxGraphics, cxFilter, cxData,
cxDataStorage, cxEdit, DB, cxDBData, ADODB, StdCtrls, Buttons, DBCtrls,
cxGridLevel, cxClasses, cxControls, cxGridCustomView,
cxGridCustomTableView, cxGridTableView, cxGridDBTableView, cxGrid,
ExtCtrls;
type
TFrmPicDesc = class(TFrmExamDesc)
procedure BtnCloseClick(Sender: TObject);
procedure BtnNewClick(Sender: TObject);
procedure BtnSaveClick(Sender: TObject);
procedure FormCreate(Sender: TObject);
private
Flag:integer;
//显示数据
procedure ShowData;
//初始化
procedure IniForm;
{ Private declarations }
public
{ Public declarations }
end;
var
FrmPicDesc: TFrmPicDesc;
implementation
uses DataModule, PubFunction;
{$R *.dfm}
procedure TFrmPicDesc.BtnCloseClick(Sender: TObject);
begin
inherited;
close;
end;
//显示数据
procedure TFrmPicDesc.ShowData;
begin
EdtID.Text:=ADQ.FieldByName('ID').AsString;
EdtSample.Text:=ADQ.FieldByName('SampleDesc').AsString;
EdtDetail.Text:=ADQ.FieldByName('DetailDesc').AsString;
end;
procedure TFrmPicDesc.IniForm;
begin
EdtID.Text :='';
EdtSample.Text:='';
EdtDetail.Text:='';
end;
procedure TFrmPicDesc.BtnNewClick(Sender: TObject);
begin
inherited;
EdtID.Text:=GenID('ID','PicDesc','P');
end;
procedure TFrmPicDesc.BtnSaveClick(Sender: TObject);
begin
//inherited;
if Trim(EdtSample.Text)='' then
begin
application.MessageBox('请输入简介!','提示',mb_ok+mb_iconinformation);
EdtSample.SetFocus;
exit;
end;
if Trim(EdtDetail.Text)='' then
begin
application.MessageBox('请输入详细!','提示',mb_ok+mb_iconinformation);
EdtDetail.SetFocus;
exit;
end;
DM.ADOCn.BeginTrans;
if Flag=0 then
begin
try
with ADQ do
begin
sql.Clear;
sql.Add('INSERT INTO PicDesc(ID,SampleDesc,DetailDesc) VALUES (:v1,:v2,:v3)');
Parameters.ParamByName('v1').Value :=Trim(EdtID.Text);
Parameters.ParamByName('v2').Value :=Trim(EdtSample.Text);
Parameters.ParamByName('v3').Value :=Trim(EdtDetail.Text);
ExecSql;
end;
DM.ADOCn.CommitTrans;
ShowRecord(ADQ,'*','PicDesc','ID');
SetBtnStatus(BtnNew,BtnDel,BtnEdit,BtnSave,'Ini');
IniForm;
except
on e:Exception do
begin
DM.ADOCn.RollbackTrans;
WriteLog('影像描述保存失败'+e.Message);
Application.MessageBox('保存失败!','警告',mb_ok+mb_iconwarning);
ShowRecord(ADQ,'*','PicDesc','ID');
end;
end;
end
else
begin
try
with ADQ do
begin
sql.Clear;
sql.Add('UPDATE PicDesc Set SampleDesc=:v1,DetailDesc=:v2 WHERE ID=:v3');
Parameters.ParamByName('v1').Value :=Trim(EdtSample.Text);
Parameters.ParamByName('v2').Value :=Trim(EdtDetail.Text);
Parameters.ParamByName('v3').Value :=Trim(EdtID.Text);
ExecSql;
end;
DM.ADOCn.CommitTrans;
ShowRecord(ADQ,'*','PicDesc','ID');
SetBtnStatus(BtnNew,BtnDel,BtnEdit,BtnSave,'Ini');
IniForm;
except
on e:Exception do
begin
DM.ADOCn.RollbackTrans;
application.MessageBox('保存失败!','警告',mb_ok+mb_iconwarning);
WriteLog('影像描述修改失败'+e.Message);
ShowRecord(ADQ,'*','PicDesc','ID');
end;
end;
end;
end;
procedure TFrmPicDesc.FormCreate(Sender: TObject);
begin
//inherited;
IniForm;
ShowRecord(ADQ,'*','PicDesc','ID');
end;
end.
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