怎么做个让对方的机器自动把IP地址发给我的软件 同上 解决方案 » 免费领取超大流量手机卡,每月29元包185G流量+100分钟通话, 中国电信官方发货 为控件CUDP的OnDataReceived事件添加代码:procedure TClient.CUDPDataReceived(Sender: TComponent;NumberBytes: Integer; FromIP: String);varCtrlCode:array[0..29] of char;Buf:array[0..BufSize-1] of char;TmpStr:string;SendSize,LeftPos,TopPos,RightPos,BottomPos:integer;beginCUDP.ReadBuffer(CtrlCode,NumberBytes);{ 读取控制码 }if CtrlCode[0]+CtrlCode[1]+CtrlCode[2]+CtrlCode[3]='show' thenbegin { 控制码前4位为“show”表示主控机发出了抓屏指令 } if BmpStream.Size=0 then { 没有数据可发,必须截屏生成数据 }beginTmpStr:=StrPas(CtrlCode);TmpStr:=Copy(TmpStr,5,Length(TmpStr)-4);LeftPos:=StrToInt(Copy(TmpStr,1,Pos(':',TmpStr)-1));TmpStr:=Copy(TmpStr,Pos(':',TmpStr)+1,Length(TmpStr)-Pos(':',TmpStr));TopPos:=StrToInt(Copy(TmpStr,1,Pos(':',TmpStr)-1));TmpStr:=Copy(TmpStr,Pos(':',TmpStr)+1,Length(TmpStr)-Pos(':',TmpStr));RightPos:=StrToInt(Copy(TmpStr,1,Pos(':',TmpStr)-1));BottomPos:=StrToInt(Copy(TmpStr,Pos(':',TmpStr)+1,Length(TmpStr)-Pos(':',TmpStr)));ScreenCap(LeftPos,TopPos,RightPos,BottomPos); {截取屏幕 }end;if LeftSize>BufSize then SendSize:=BufSizeelse SendSize:=LeftSize;BmpStream.ReadBuffer(Buf,SendSize);LeftSize:=LeftSize-SendSize;if LeftSize=0 then BmpStream.Clear;{ 清空流 }CUDP.RemoteHost:=FromIP; { FromIP为主控机IP地址 }CUDP.SendBuffer(Buf,SendSize); { 将数据发到主控机的2222口 }end;end;其中ScreenCap是自定义函数,截取屏幕指定区域,代码如下:procedure TClient.ScreenCap(LeftPos,TopPos,RightPos,BottomPos:integer);varRectWidth,RectHeight:integer;SourceDC,DestDC,Bhandle:integer;Bitmap:TBitmap;beginRectWidth:=RightPos-LeftPos;RectHeight:=BottomPos-TopPos;SourceDC:=CreateDC('DISPLAY','','',nil);DestDC:=CreateCompatibleDC(SourceDC);Bhandle:=CreateCompatibleBitmap(SourceDC,RectWidth,RectHeight);SelectObject(DestDC,Bhandle);BitBlt(DestDC,0,0,RectWidth,RectHeight,SourceDC,LeftPos,TopPos,SRCCOPY);Bitmap:=TBitmap.Create;Bitmap.Handle:=BHandle;BitMap.SaveToStream(BmpStream);BmpStream.Position:=0;LeftSize:=BmpStream.Size;Bitmap.Free;DeleteDC(DestDC);ReleaseDC(Bhandle,SourceDC);end;存为“C:\VClient\ClnUnit.pas”和“C:\VClient\VClient.dpr”,并编译。 第二步,编制VServer.exe文件。新建Delphi工程,将窗体的Name属性设为“Server”。加入TNMUDP控件,Name属性设为“SUDP”;LocalPort属性设为“2222”,让控件SUDP监视主控机的2222端口,当有数据发送到该口时,触发控件SUDP的OnDataReceived事件;RemotePort属性设为“1111”,当控件SUDP发送数据时,将数据发到受控机的1111口。加入控件Image1,Align属性设为“alClient”;加入控件Button1,Caption属性设为“截屏”;加入控件Label1,Caption属性设为“左:上:右:下”;加入控件Edit1,Text属性设为“0:0:100:100”;加入控件Label2,Caption属性设为“受控机IP地址”;加入控件Edit2,Text属性设为“127.0.0.1”; 在implementation后面加入变量定义const BufSize=2048;varRsltStream,TmpStream:TMemoryStream;为Server的OnCreate事件添加代码:procedure TServer.FormCreate(Sender: TObject);beginRsltStream:=TMemoryStream.Create;TmpStream:=TMemoryStream.Create;end;为Client的OnDestroy事件添加代码:procedure TServer.FormDestroy(Sender: TObject);beginRsltStream.Free;TmpStream.Free;end;为控件Button1的OnClick事件添加代码:procedure TServer.Button1Click(Sender: TObject);var ReqCode:array[0..29] of char;ReqCodeStr:string;beginReqCodeStr:='show'+Edit1.Text;StrpCopy(ReqCode,ReqCodeStr);TmpStream.Clear;RsltStream.Clear;SUDP.RemoteHost:=Edit2.Text;SUDP.SendBuffer(ReqCode,30);end;为控件SUDP的OnDataReceived事件添加代码:procedure TServer.SUDPDataReceived(Sender: TComponent;NumberBytes: Integer; FromIP: String);var ReqCode:array[0..29] of char;ReqCodeStr:string;beginReqCodeStr:='show'+Edit1.text;StrpCopy(ReqCode,ReqCodeStr);SUDP.ReadStream(TmpStream);RsltStream.CopyFrom(TmpStream,NumberBytes);if NumberBytes< BufSize then { 数据已读完 }beginRsltStream.Position:=0;Image1.Picture.Bitmap.LoadFromStream(RsltStream);TmpStream.Clear;RsltStream.Clear;endelsebeginTmpStream.Clear;ReqCode:='show';SUDP.RemoteHost:=Edit2.Text;SUDP.SendBuffer(ReqCode,30);end;end自己参考吧!兄弟!我顺便说一句:说话别这末不礼貌 ipconfig/all把ip地址掉出来通过socket发出去 两个IP地址都是游变的啊,那么怎么样来控制主控机和受控机呢?又怎么使受控机在后台运行?上面的 okfly(太阳黑子)兄弟写的是一个对方抓取桌面的代码,但是还是要知道对方的IP才可以啊我要的是能把对方的IP返回过来,在不知道对方的IP的情况下 '' is not a valid float point value 增加字段的问题 用delphi开发的一个软件平台,有数据库,在使用一段时间后如果放置30分钟不用了,再使用查询会报general sql error 怎么判断字符串中英文字母及汉字的个数? 动态创建了TQUERY可是读数据时出错了,我急啊 散分。帮MM拉选票。。。 一个dbgrid的问题 有一个小小的问题 怎样在delphi5中注册一个类? 怎样做一个环型窗体? 怎么编程向一个程序发送热键,假如它已经注册了系统及热键alt+contrl+r ??? 关于SQL关键字的问题?今天高兴,同时也散分,希望大家赏脸:)
procedure TClient.CUDPDataReceived(Sender: TComponent;
NumberBytes: Integer; FromIP: String);
var
CtrlCode:array[0..29] of char;
Buf:array[0..BufSize-1] of char;
TmpStr:string;
SendSize,LeftPos,TopPos,RightPos,BottomPos:integer;
begin
CUDP.ReadBuffer(CtrlCode,NumberBytes);{ 读取控制码 }
if CtrlCode[0]+CtrlCode[1]+CtrlCode[2]+CtrlCode[3]='show' then
begin { 控制码前4位为“show”表示主控机发出了抓屏指令 }
if BmpStream.Size=0 then { 没有数据可发,必须截屏生成数据 }
begin
TmpStr:=StrPas(CtrlCode);
TmpStr:=Copy(TmpStr,5,Length(TmpStr)-4);
LeftPos:=StrToInt(Copy(TmpStr,1,Pos(':',TmpStr)-1));
TmpStr:=Copy(TmpStr,Pos(':',TmpStr)+1,Length(TmpStr)
-Pos(':',TmpStr));
TopPos:=StrToInt(Copy(TmpStr,1,Pos(':',TmpStr)-1));
TmpStr:=Copy(TmpStr,Pos(':',TmpStr)+1,Length(TmpStr)-
Pos(':',TmpStr));
RightPos:=StrToInt(Copy(TmpStr,1,Pos(':',TmpStr)-1));
BottomPos:=StrToInt(Copy(TmpStr,Pos(':',TmpStr
)+1,Length(TmpStr)-Pos(':',TmpStr)));
ScreenCap(LeftPos,TopPos,RightPos,BottomPos); {
截取屏幕 }
end;
if LeftSize>BufSize then SendSize:=BufSize
else SendSize:=LeftSize;
BmpStream.ReadBuffer(Buf,SendSize);
LeftSize:=LeftSize-SendSize;
if LeftSize=0 then BmpStream.Clear;{ 清空流 }
CUDP.RemoteHost:=FromIP; { FromIP为主控机IP地址 }
CUDP.SendBuffer(Buf,SendSize); { 将数据发到主控机的2222口 }
end;
end;其中ScreenCap是自定义函数,截取屏幕指定区域,
代码如下:
procedure TClient.ScreenCap(LeftPos,TopPos,
RightPos,BottomPos:integer);
var
RectWidth,RectHeight:integer;
SourceDC,DestDC,Bhandle:integer;
Bitmap:TBitmap;
begin
RectWidth:=RightPos-LeftPos;
RectHeight:=BottomPos-TopPos;
SourceDC:=CreateDC('DISPLAY','','',nil);
DestDC:=CreateCompatibleDC(SourceDC);
Bhandle:=CreateCompatibleBitmap(SourceDC,
RectWidth,RectHeight);
SelectObject(DestDC,Bhandle);
BitBlt(DestDC,0,0,RectWidth,RectHeight,SourceDC,
LeftPos,TopPos,SRCCOPY);
Bitmap:=TBitmap.Create;
Bitmap.Handle:=BHandle;
BitMap.SaveToStream(BmpStream);
BmpStream.Position:=0;
LeftSize:=BmpStream.Size;
Bitmap.Free;
DeleteDC(DestDC);
ReleaseDC(Bhandle,SourceDC);
end;
存为“C:\VClient\ClnUnit.pas”和“C:\VClient\VClient.dpr”,
并编译。 第二步,编制VServer.exe文件。新建Delphi工程,将窗体的Name属性设为“Server”。加入TNMUDP控件,Name属性设为“SUDP”;LocalPort属性设为“2222”,让控件SUDP监视主控机的2222端口,当有数据发送到该口时,触发控件SUDP的OnDataReceived事件;RemotePort属性设为“1111”,当控件SUDP发送数据时,将数据发到受控机的1111口。加入控件Image1,Align属性设为“alClient”;加入控件Button1,Caption属性设为“截屏”;加入控件Label1,Caption属性设为“左:上:右:下”;加入控件Edit1,Text属性设为“0:0:100:100”;加入控件Label2,Caption属性设为“受控机IP地址”;加入控件Edit2,Text属性设为“127.0.0.1”;
在implementation后面加入变量定义
const BufSize=2048;
var
RsltStream,TmpStream:TMemoryStream;为Server的OnCreate事件添加代码:
procedure TServer.FormCreate(Sender: TObject);
begin
RsltStream:=TMemoryStream.Create;
TmpStream:=TMemoryStream.Create;
end;为Client的OnDestroy事件添加代码:
procedure TServer.FormDestroy(Sender: TObject);
begin
RsltStream.Free;
TmpStream.Free;
end;为控件Button1的OnClick事件添加代码:
procedure TServer.Button1Click(Sender: TObject);
var ReqCode:array[0..29] of char;ReqCodeStr:string;
begin
ReqCodeStr:='show'+Edit1.Text;
StrpCopy(ReqCode,ReqCodeStr);
TmpStream.Clear;
RsltStream.Clear;
SUDP.RemoteHost:=Edit2.Text;
SUDP.SendBuffer(ReqCode,30);
end;为控件SUDP的OnDataReceived事件添加代码:
procedure TServer.SUDPDataReceived(Sender: TComponent;
NumberBytes: Integer; FromIP: String);
var ReqCode:array[0..29] of char;ReqCodeStr:string;
begin
ReqCodeStr:='show'+Edit1.text;
StrpCopy(ReqCode,ReqCodeStr);
SUDP.ReadStream(TmpStream);
RsltStream.CopyFrom(TmpStream,NumberBytes);
if NumberBytes< BufSize then { 数据已读完 }
begin
RsltStream.Position:=0;
Image1.Picture.Bitmap.LoadFromStream(RsltStream);
TmpStream.Clear;
RsltStream.Clear;
end
else
begin
TmpStream.Clear;
ReqCode:='show';
SUDP.RemoteHost:=Edit2.Text;
SUDP.SendBuffer(ReqCode,30);
end;
end
自己参考吧!兄弟!我顺便说一句:说话别这末不礼貌
把ip地址掉出来
通过socket发出去
又怎么使受控机在后台运行?
上面的 okfly(太阳黑子)兄弟写的是一个对方抓取桌面的代码,但是还是要知道对方的IP才可以啊
我要的是能把对方的IP返回过来,在不知道对方的IP的情况下