customersrequest.pas

企业客户关系管理系统

unit customersrequest;

interface

uses
  Windows, Messages, SysUtils, Variants, Classes, Graphics, Controls, Forms,
  Dialogs, StdCtrls, Buttons;

type
  TF_customersrequest = class(TForm)
    GroupBox1: TGroupBox;
    Label1: TLabel;
    Edit1: TEdit;
    Label2: TLabel;
    Label3: TLabel;
    Edit3: TEdit;
    Label4: TLabel;
    Edit4: TEdit;
    Label5: TLabel;
    Edit5: TEdit;
    Label6: TLabel;
    Memo1: TMemo;
    Label7: TLabel;
    Memo2: TMemo;
    GroupBox2: TGroupBox;
    btn_Search: TBitBtn;
    btn_Update: TBitBtn;
    btn_Add: TBitBtn;
    btn_Delete: TBitBtn;
    btn_Clear: TBitBtn;
    btn_Out: TBitBtn;
    ComboBox1: TComboBox;
    procedure btn_SearchClick(Sender: TObject);
    procedure btn_UpdateClick(Sender: TObject);
    procedure btn_AddClick(Sender: TObject);
    procedure btn_DeleteClick(Sender: TObject);
    procedure btn_ClearClick(Sender: TObject);
    procedure btn_OutClick(Sender: TObject);
    procedure FormShow(Sender: TObject);
  private
    { Private declarations }
  public
    { Public declarations }
  end;

var
  F_customersrequest: TF_customersrequest;
  strSQL:String;
implementation
uses datamodule;
{$R *.dfm}

procedure TF_customersrequest.btn_SearchClick(Sender: TObject);
begin
with DM_datamodule do
begin
if crmDB.Connected then
begin
if trim(edit1.Text)<>'' then
begin
with qry_CustomersRequest do
begin
create(nil);
sql.Add('select * from CustomersRequest where 编号=:f1');
Parambyname('f1').AsString:=edit1.Text;
prepare;
open;
if Recordcount<>0 then
begin
combobox1.Text:=fieldbyname('客户编号').AsString;
edit3.Text:=fieldbyname('日期').AsString;
edit4.Text:=fieldbyname('相关联系人').AsString;
edit5.Text:=fieldbyname('联系人电话').AsString;
memo1.Text:=fieldbyname('摘要').AsString;
memo2.Text:=fieldbyname('详细内容').AsString;
Close;
end
else
begin
messagedlg('不存在该客户请求!查找失败!',mtinformation,[mbok],0);
close;
end;
end;
end;
end
else
messagedlg('请先登陆!',mtinformation,[mbok],0);
end;
end;

procedure TF_customersrequest.btn_UpdateClick(Sender: TObject);
begin
strSQL:='update CustomersRequest set 客户编号=:f2,日期=:f3,相关联系人=:f4,联系人电话=:f5,摘要=:f6,详细内容=:f7 where 编号=:f1';
with DM_datamodule do
begin
if crmDB.Connected then
begin
if trim(edit1.Text)<>'' then
begin
with qry_CustomersRequest do
begin
create(nil);
sql.Add('select * from CustomersRequest where 编号=:f1');
Parambyname('f1').AsString:=edit1.Text;
open;
if Recordcount<>0 then
begin
sql.Add(strSQL);
Parambyname('f2').AsString:=combobox1.Text;
Parambyname('f3').AsDateTime:=strtodatetime(edit3.Text);
Parambyname('f4').AsString:=edit4.Text;
Parambyname('f5').AsString:=edit5.Text;
Parambyname('f6').AsString:=memo1.Text;
Parambyname('f7').AsString:=memo2.Text;
ExecSQL;
Close;
messagedlg('修改成功!',mtinformation,[mbok],0);
end
else
begin
messagedlg('不存在该客户请求!修改失败!',mtinformation,[mbok],0);
close;
end;
end;
end;
end
else
messagedlg('请先登陆!',mtinformation,[mbok],0);
end;
end;

procedure TF_customersrequest.btn_AddClick(Sender: TObject);
begin
strSQL:='insert into CustomersRequest values(:f1,:f2,:f3,:f4,:f5,:f6,:f7)';
with DM_datamodule do
begin
if crmDB.Connected then
begin
if trim(edit1.Text)<>'' then
begin
with qry_CustomersRequest do
begin
create(nil);
sql.Add('select * from CustomersRequest where 编号=:f1');
Parambyname('f1').AsString:=edit1.Text;
open;
if Recordcount=0 then
begin
sql.Add(strSQL);
Parambyname('f2').AsString:=combobox1.Text;
Parambyname('f3').AsDateTime:=strtodatetime(edit3.Text);
Parambyname('f4').AsString:=edit4.Text;
Parambyname('f5').AsString:=edit5.Text;
Parambyname('f6').AsString:=memo1.Text;
Parambyname('f7').AsString:=memo2.Text;
ExecSQL;
Close;
messagedlg('新增成功!',mtinformation,[mbok],0);
end
else
begin
messagedlg('已经存在该客户请求!新增失败!',mtinformation,[mbok],0);
close;
end;
end;
end;
end
else
messagedlg('请先登陆!',mtinformation,[mbok],0);
end;
end;

procedure TF_customersrequest.btn_DeleteClick(Sender: TObject);
begin
 strSQL:='delete from CustomersRequest where 编号=:f1';
with DM_datamodule do
begin
if crmDB.Connected then
begin
if trim(edit1.Text)<>'' then
begin
if messagedlg('确定要删除吗?',mtinformation,[mbyes,mbno],0)=mrYes then
begin
with qry_CustomersRequest do
begin
create(nil);
sql.Add('select * from CustomersRequest where 编号=:f1');
Parambyname('f1').AsString:=edit1.Text;
open;
if Recordcount<>0 then
begin
sql.Add(strSQL);
ExecSQL;
Close;
messagedlg('删除成功!',mtinformation,[mbok],0);
edit1.Clear;
 edit3.Text:=datetostr(now);
 edit4.Clear;
 edit5.Clear;
 memo1.Clear;
 memo2.Clear;
end
else
begin
messagedlg('不存在该客户请求!删除失败!',mtinformation,[mbok],0);
close;
end;
end;
end;
end;
end
else
messagedlg('请先登陆!',mtinformation,[mbok],0);
end;
end;

procedure TF_customersrequest.btn_ClearClick(Sender: TObject);
begin
 edit1.Clear;
 edit3.Text:=datetostr(now);
 edit4.Clear;
 edit5.Clear;
 memo1.Clear;
 memo2.Clear;
end;

procedure TF_customersrequest.btn_OutClick(Sender: TObject);
begin
combobox1.Clear;
edit1.Clear;
 edit3.Text:=datetostr(now);
 edit4.Clear;
 edit5.Clear;
 memo1.Clear;
 memo2.Clear;
 Close;
end;

procedure TF_customersrequest.FormShow(Sender: TObject);
begin
with DM_datamodule.qry_CustomersInfo do
begin
close;
sql.Clear;
sql.Add('select 客户编号 from CustomersInfo');
try
prepare;
execsql;
open;
first;
while not eof do
begin
combobox1.Items.Add(fieldbyname('客户编号').AsString);
next;
end;
finally
close;
end;
end;
combobox1.Text:=combobox1.Items.Text;
combobox1.ItemIndex:=0;

edit3.Text:=datetostr(now);
 memo1.Text:='';
 memo2.Text:='';
end;

end.