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indy10下以字节形式发送结构无法收到解

发布时间: 2012-03-23 12:06:21 作者: rapoo

indy10下以字节形式发送结构无法收到
客户端以字节数组形式发送一个结构以后,服务器无法正确读出内容,不知道问题出在哪里


客户端发送
userInfo aUser;
aUser.name=Edit1->Text;
aUser.passWord=Edit2->Text;

TBytes buffer;
buffer=RawToBytes(&aUser, sizeof(userInfo));
IdTCPClient1->IOHandler->Write(buffer);

服务器端接收
userInfo aUser;
TBytes buffer;
try
{
AContext->Connection->IOHandler->ReadBytes(buffer, sizeof(userInfo), false);
BytesToRaw(buffer, &aUser, sizeof(userInfo));
Memo1->Lines->Add("用户名:"+aUser.name);
Memo1->Lines->Add("密码:"+aUser.passWord);
}
catch (Exception &e)
{
Memo1->Lines->Add("读取登录信息异常");
return;
}

[解决办法]

C/C++ code
//---------------------------------------#include <vcl.h>#pragma hdrstop#include "Unit1.h"#include <TCHAR.h>//---------------------------------------#pragma package(smart_init)#pragma link "IdBaseComponent"#pragma link "IdComponent"#pragma link "IdTCPClient"#pragma link "IdTCPConnection"#pragma link "IdContext"#pragma link "IdCustomTCPServer"#pragma link "IdTCPServer"#pragma resource "*.dfm"TForm1 *Form1;struct userInfo{    TCHAR  name[20];    TCHAR  passWord[20]  ;};//---------------------------------------__fastcall TForm1::TForm1(TComponent* Owner)    : TForm(Owner){}//---------------------------------------void __fastcall TForm1::Button1Click(TObject *Sender){  userInfo aUser ;  _tcscpy(aUser.name,"张三") ;  _tcscpy(aUser.passWord,"123") ;  TBytes buffer;  buffer=RawToBytes(&aUser, sizeof(userInfo));  IdTCPClient1->Port = 8000;  IdTCPClient1->Host = "127.0.0.1";  IdTCPClient1->Connect();  IdTCPClient1->IOHandler->Write(buffer);  IdTCPClient1->Disconnect();  //、delete  aUser ;}//---------------------------------------void __fastcall TForm1::IdTCPServer1Execute(TIdContext *AContext){    userInfo aUser;    TBytes buffer;    try    {        AContext->Connection->IOHandler->ReadBytes(buffer, sizeof(userInfo), false);        BytesToRaw(buffer, &aUser, sizeof(userInfo));        Memo1->Lines->Add("用户名:"+AnsiString(aUser.name));        Memo1->Lines->Add("密码:"+AnsiString(aUser.passWord));    }    catch (Exception &e)    {        Memo1->Lines->Add("读取登录信息异常");    }}//---------------------------------------void __fastcall TForm1::FormShow(TObject *Sender){    IdTCPServer1->DefaultPort = 8000;    IdTCPServer1->Active = true ;}//--------------------------------------- 

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