dlgaddstudents.cpp

vc6.0是一个很好的开放环境

// dlgaddstudents.cpp : implementation file
//

#include "stdafx.h"
#include "ClientDemo.h"
#include "dlgaddstudents.h"
#include "Get_CheckSum.h"

#ifdef _DEBUG
#define new DEBUG_NEW
#undef THIS_FILE
static char THIS_FILE[] = __FILE__;
#endif

/////////////////////////////////////////////////////////////////////////////
// CDlgAddStudents dialog


CDlgAddStudents::CDlgAddStudents(CWnd* pParent /*=NULL*/)
	: CDialog(CDlgAddStudents::IDD, pParent)
{
	//{{AFX_DATA_INIT(CDlgAddStudents)
	m_stdno = _T("");
	m_userid = _T("");
	m_username = _T("");
	m_deptcode = _T("");
	//}}AFX_DATA_INIT
}


void CDlgAddStudents::DoDataExchange(CDataExchange* pDX)
{
	CDialog::DoDataExchange(pDX);
	//{{AFX_DATA_MAP(CDlgAddStudents)
	DDX_Text(pDX, IDC_EDIT_STDID, m_stdno);
	DDV_MaxChars(pDX, m_stdno, 10);
	DDX_Text(pDX, IDC_EDIT_USERID, m_userid);
	DDV_MaxChars(pDX, m_userid, 18);
	DDX_Text(pDX, IDC_EDIT_NAME, m_username);
	DDV_MaxChars(pDX, m_username, 8);
	DDX_Text(pDX, IDC_EDIT_CODE, m_deptcode);
	DDV_MaxChars(pDX, m_deptcode, 2);
	//}}AFX_DATA_MAP
}


BEGIN_MESSAGE_MAP(CDlgAddStudents, CDialog)
	//{{AFX_MSG_MAP(CDlgAddStudents)
	ON_BN_CLICKED(IDC_BUTTON_COMMIT, OnButtonCommit)
	//}}AFX_MSG_MAP
END_MESSAGE_MAP()

/////////////////////////////////////////////////////////////////////////////
// CDlgAddStudents message handlers

void CDlgAddStudents::OnButtonCommit() 
{
	// TODO: Add your control notification handler code here
	UpdateData(true);
	if(m_stdno.IsEmpty())
		return;

	char sendBuf[1024];
	char recBuf[11];
	//第1步：连接APPServer
	strcpy(m_socket.m_cIP,"211.67.33.79");
	m_socket.m_usPort=4567;
	m_socket.InitialSocket();
    int i;
	for(i=0;i<2;i++)
	{
		if(m_socket.ConnectServer())
		{
			break;
		}
		Sleep(50);
	}
	if(i>=2)
	{
		AfxMessageBox("连接应用服务器失败，请检查系统配置!      ");
		return ;
	}
	TRACE0("连接应用服务器成功");

	//第2步：构造发送数据并发送
    SYSTEMTIME stLocal;
	CString CurDateStr;
	char oldSum[9]="",DesSum[9]="";
	::GetLocalTime(&stLocal);
	CurDateStr.Format("%u-%02u-%02u", stLocal.wYear, stLocal.wMonth, stLocal.wDay);
	sprintf(sendBuf,"%-4s%-4s%-2s%-10s%-8s%-18s%-10s%-8s","64",\
		"0001",m_deptcode,m_stdno,m_username,m_userid,CurDateStr,"00000000");
	m_CheckSumObj.Get_CheckSum(sendBuf,64,DesSum);
	TRACE1("sendBuf=%s",sendBuf);
	
    m_socket.SendString(sendBuf, 64);
	m_socket.GetString(recBuf,10);
	recBuf[10]=0;

	//得到传过来的原始校验和值
    strncpy(oldSum,recBuf+2,8);
	oldSum[8]=0;

	//计算校验和，检查校验
    m_CheckSumObj.Get_CheckSum(recBuf,10,DesSum);
	
	TRACE3("recbuf=%s,oldSum=%s,DesSum=%s",recBuf,oldSum,DesSum);
	if(strcmp(oldSum,DesSum)!=0)
	{
		recBuf[0]='N';   
	}
		

	switch(recBuf[0])
	{
	case '0':
		AfxMessageBox("业务成功！  ");
		break;
	case '1':
		AfxMessageBox("业务失败！数据库错误.  ");
		break;
	case '2':
		AfxMessageBox("该学号已经存在.  ");
		break;
	case '3':
		AfxMessageBox("发送数据校验错误.  ");
		break;
	case 'N':
		AfxMessageBox("返回数据校验错误.  ");
		break;
	}
	
	//第3步：关闭socket，释放socket库。注意此处休眠的使用（Sleep(1);不能少）。
    Sleep(1);
	m_socket.CloseSock();  //关闭socket
	TRACE0("CLOSED SOCKET");
	
}