uform_area_edit.pas

Delphi应用婚纱系统 Delphi应用婚纱系统

unit Uform_area_edit;
//区域管理窗口，用于设置各个区域的相关属性
interface

uses
  Windows, Messages, SysUtils, Variants, Classes, Graphics, Controls, Forms,
  Dialogs, StdCtrls, Buttons, ComCtrls, DB, ADODB, ImgList, ExtCtrls;

type
  Tform_area_edit = class(TForm)
    Panel1: TPanel;
    Image1: TImage;
    Label2: TLabel;
    Label4: TLabel;
    Label3: TLabel;
    Label1: TLabel;
    Bevel1: TBevel;
    Image2: TImage;
    ImageList1: TImageList;
    recordset_temp: TADOQuery;
    Apart_list: TListView;
    Panel2: TPanel;
    button_add: TBitBtn;
    BitBtn1: TBitBtn;
    BitBtn2: TBitBtn;
    BitBtn3: TBitBtn;
    procedure BitBtn1Click(Sender: TObject);
    procedure FormShow(Sender: TObject);
    procedure button_addClick(Sender: TObject);
    procedure BitBtn3Click(Sender: TObject);
    procedure BitBtn2Click(Sender: TObject);
  private
    { Private declarations }
  public
    { Public declarations } 
    intCount:integer;
  end;

var
  form_area_edit: Tform_area_edit;

implementation

uses UForm_apart_input, Uform_main;

{$R *.dfm}

procedure Tform_area_edit.BitBtn1Click(Sender: TObject);
//向数据库中添加新区域
var
   ListItem: TListItem;
   p:^integer;
begin
   //不断将用户输入的区域名称添加到数据库，直至用户希望停止为止
   repeat
      //初始化新建区域窗口的内容
      form_apart_input.Caption :='登记新的区域';
      form_apart_input.Edit1.Text :='';
      form_apart_input.Label1.Caption :='登记区域';
      form_apart_input.Label2.Caption :='登记区域';
      form_apart_input.Label3.caption:='    请在下面输入欲登记新区域的名称:';
      form_apart_input.Image2.Picture :=form_area_edit.Image2.Picture ;
      //显示新建区域窗口
      form_apart_input.ShowModal ;
      //判断用户是否正确输入区域名称
      if form_apart_input.bYesno =false then exit;
      //将输入内容添进数据库
      form_main.Dconnect.Execute ('insert into [AREA]([AREA_NAME]) values(''' + form_apart_input.stringApartname +''')');
      recordset_temp.SQL.Clear ;
      recordset_temp.SQL.Add ('select * from [AREA]');
      recordset_temp.Open ;
      recordset_temp.Last ;
      new(p);
      p^:=recordset_temp.Fields[0].AsInteger ;
      //更新区域列表的内容
      listitem:=apart_LIST.Items.Add ;
      listitem.Caption :=form_apart_input.stringApartname ;
      listitem.ImageIndex :=0 ;
      listitem.Data:=p;
      //更新区域数量
      intCount := intCount+1;
      Label4.Caption :=inttostr(intCount) + '个';
   until messagebox(self.Handle ,'您是否还要添加新的区域？','提示',MB_YESNO or MB_ICONASTERISK)<> IDYES;
end;

procedure Tform_area_edit.FormShow(Sender: TObject);
//在本窗口开启时调用数据库内容初始化窗口内容
var
   i:integer;
   ListItem: TListItem;
   p:^integer;
begin
   //清除原先内容
   apart_list.Items.Clear ;
   recordset_temp.SQL.Clear ;
   recordset_temp.SQL.Add ('select * from [AREA]');//选择AREA表中的所有内容
   recordset_temp.Open ;
   intCount:=recordset_temp.RecordCount ;
   Label4.Caption :=inttostr(intCount) + '个';//初始化区域数目
   //读取AREA表中所有的区域，显示在窗口中
   for i:=1 to recordset_temp.RecordCount do
   begin
      listitem:=apart_LIST.Items.Add ;
      listitem.Caption :=recordset_temp.Fields[1].AsString ;
      listitem.ImageIndex :=0;
      new(p);
      p^ := recordset_temp.Fields[0].AsInteger ;
      listitem.Data :=p;
      recordset_temp.Next;
   end;
end;

procedure Tform_area_edit.button_addClick(Sender: TObject);
//修改原有的区域名称
var
   p:^integer;
begin
   //是否在列表中选择某一区域
   if apart_list.Selected =nil then exit ;
   //查询数据库
   recordset_temp.SQL.Clear ;
   p:=Apart_list.Selected.Data;
   recordset_temp.SQL.Add ('select * from [AREA] where [AREA_ID]=' + inttostr(p^));
   recordset_temp.Open ;
   //确认数据库中存在该区域
   if recordset_temp.RecordCount <>0 then
   begin
      //初始化修改区域名称窗口
      form_apart_input.Edit1.Text :=recordset_temp.Fields[1].AsString ;
      form_apart_input.Caption :='修改区域';
      form_apart_input.Label1.Caption :='修改区域';
      form_apart_input.Label2.Caption :='修改区域';
      form_apart_input.Label3.caption:='    请在下面修改区域的名称:';
            form_apart_input.Image2.Picture :=form_area_edit.Image2.Picture ;
      form_apart_input.ShowModal ;
      //判断用户是否正确输入区域名称
      if form_apart_input.bYesno =true then
      begin
         //修改对应内容
         form_main.Dconnect.Execute('update [AREA] set [AREA_NAME]=''' + form_apart_input.stringApartname + ''' where [AREA_ID]=' + inttostr(P^));
         //修改区域列表对应内容
         apart_list.Selected.Caption :=form_apart_input.stringApartname ;
      end;
   end;
end;

procedure Tform_area_edit.BitBtn3Click(Sender: TObject);
//关闭本窗口
begin
   close;
end;

procedure Tform_area_edit.BitBtn2Click(Sender: TObject);
//删除某一区域
var
   temp:pchar;
   p:^integer;
   count1:integer;
   count2:integer;
   count3:integer;
begin
   //是否在部门列表中选择某区域
   if apart_list.Selected =nil then exit ;
   //搜寻数据库中关于该区域的评价纪录，客户纪录，评价纪录
   p:=Apart_list.Selected.Data;
   recordset_temp.SQL.Clear;
   recordset_temp.SQL.Add('select count([CUSTOM_ID]) from [CUSTOM] where [CUSTOM_AREA]=' + inttostr(p^));
   recordset_temp.Open;
   count1:=recordset_temp.Fields[0].AsInteger ;
   recordset_temp.Close ;
   recordset_temp.SQL.Clear ;
   recordset_temp.SQL.Add('select count([PJ_ID]) from [PJ] where [PJ_CU_ID] in ( select [CUSTOM_ID] from [CUSTOM] where [CUSTOM_AREA]=' + inttostr(p^) +')');
   recordset_temp.Open ;
   count2:=recordset_temp.Fields[0].AsInteger ;
   recordset_temp.Close ;
   recordset_temp.SQL.Clear ;
   recordset_temp.SQL.Add('select count([JY_ID]) from [JY] where [JY_CUSTOMID] in ( select [CUSTOM_ID] from [CUSTOM] where [CUSTOM_AREA]=' + inttostr(p^) +')');
   recordset_temp.Open;
   count3:=recordset_temp.Fields[0].AsInteger ;
   recordset_temp.Close ;
   //再次询问用户以确定删除
   temp:=pchar('您是否确定要删除['+apart_list.Selected.caption +  ']' + #13 +   #13 +
               '您将关联删除' + inttostr(count1) + '名客户纪录' + #13 +
               '您将关联删除' + inttostr(count2) + '条部门评价纪录' + #13 +
               '您将关联删除' + inttostr(count3) + '条交易纪录');
   if messagebox(self.Handle, temp,
                  '警告',MB_yesno or MB_ICONQUESTION	)=IDyes then
   begin
      //删除数据库中对应内容
      form_main.Dconnect.Execute('delete * from [PJ] where [PJ_CU_ID] in ( select [CUSTOM_ID] from [CUSTOM] where [CUSTOM_AREA]=' + inttostr(p^) +')');
      form_main.Dconnect.Execute('delete * from [JY] where [JY_CUSTOMID] in ( select [CUSTOM_ID] from [CUSTOM] where [CUSTOM_AREA]=' + inttostr(p^) + ')');
      form_main.Dconnect.Execute('delete * from [CUSTOM] where [CUSTOM_AREA]=' + inttostr(p^));
      form_main.Dconnect.Execute('delete * from [AREA] where [AREA_ID]=' + inttostr(p^));
      Dispose(p);
      //更新窗口显示
      apart_list.Selected.Delete ;
      intCount := intCount-1;
      Label4.Caption :=inttostr(intCount) + '个';
   end;
   apart_list.SetFocus ;
end;

end.