Google一下关于利用CHttpFile上传文件,没有找到好用的版本(PUT的版本相对很多,但由于安全问题,实用性不大).仓促中拼揍了一个DEMO.贴出来共勉:-)
DEMO1Dlg.h
1
// DEMO1Dlg.h : 头文件
2//
3
4#pragma once
5#include "afxwin.h"
6#include "afxinet.h"
7#include "MyEdit.h"
8
9
10// CDEMO1Dlg 对话框
11class CDEMO1Dlg : public CDialog
12
{
13
// 构造
14public:
15 CDEMO1Dlg(CWnd* pParent = NULL); // 标准构造函数
16
17// 对话框数据
18
enum { IDD = IDD_DEMO1_DIALOG };
19
20 protected:
21 virtual void DoDataExchange(CDataExchange* pDX); // DDX/DDV 支持
22
23
24// 实现
25protected:
26 HICON m_hIcon;
27
28 // 生成的消息映射函数
29 virtual BOOL OnInitDialog();
30 afx_msg void OnSysCommand(UINT nID, LPARAM lParam);
31 afx_msg void OnPaint();
32 afx_msg HCURSOR OnQueryDragIcon();
33 DECLARE_MESSAGE_MAP()
34protected:
35 CMyEdit m_File;
36public:
37 afx_msg void OnBnClickedBtnsend();
38
39/**///////////////////////////////////////////////////////////////////
40//File Store//////////////////////////////////////////////////////
41/**///////////////////////////////////////////////////////////////////
42protected:
43 CHttpConnection* m_pConnection;
44
45private:
46 CString MakeRequestHeaders(CString& strBoundary);
47 CString MakePreFileData(CString& strBoundary, CString& strFileName, int iRecordID);
48 CString MakePostFileData(CString& strBoundary);
49public:
50 BOOL SendTrack();
51
};
52
DEMO1Dlg.cpp:
1// DEMO1Dlg.cpp : 实现文件
2//
3
4#include "stdafx.h"
5#include "DEMO1.h"
6#include "DEMO1Dlg.h"
7
8#ifdef _DEBUG
9#define new DEBUG_NEW
10#endif
11
12
13// 用于应用程序“关于”菜单项的 CAboutDlg 对话框
14
15class CAboutDlg : public CDialog
16{
17public:
18 CAboutDlg();
19
20// 对话框数据
21 enum { IDD = IDD_ABOUTBOX };
22
23 protected:
24 virtual void DoDataExchange(CDataExchange* pDX); // DDX/DDV 支持
25
26// 实现
27protected:
28 DECLARE_MESSAGE_MAP()
29};
30
31CAboutDlg::CAboutDlg() : CDialog(CAboutDlg::IDD)
32{
33}
34
35void CAboutDlg::DoDataExchange(CDataExchange* pDX)
36{
37 CDialog::DoDataExchange(pDX);
38}
39
40BEGIN_MESSAGE_MAP(CAboutDlg, CDialog)
41END_MESSAGE_MAP()
42
43
44// CDEMO1Dlg 对话框
45
46
47
48
49CDEMO1Dlg::CDEMO1Dlg(CWnd* pParent /**//*=NULL*/)
50 : CDialog(CDEMO1Dlg::IDD, pParent)
51{
52 m_hIcon = AfxGetApp()->LoadIcon(IDR_MAINFRAME);
53}
54
55void CDEMO1Dlg::DoDataExchange(CDataExchange* pDX)
56{
57 CDialog::DoDataExchange(pDX);
58 DDX_Control(pDX, IDC_FILE, m_File);
59}
60
61BEGIN_MESSAGE_MAP(CDEMO1Dlg, CDialog)
62 ON_WM_SYSCOMMAND()
63 ON_WM_PAINT()
64 ON_WM_QUERYDRAGICON()
65 //}}AFX_MSG_MAP
66 ON_BN_CLICKED(ID_BTNSEND, &CDEMO1Dlg::OnBnClickedBtnsend)
67END_MESSAGE_MAP()
68
69
70// CDEMO1Dlg 消息处理程序
71
72BOOL CDEMO1Dlg::OnInitDialog()
73{
74 CDialog::OnInitDialog();
75
76 // 将“关于”菜单项添加到系统菜单中。
77
78 // IDM_ABOUTBOX 必须在系统命令范围内。
79 ASSERT((IDM_ABOUTBOX & 0xFFF0) == IDM_ABOUTBOX);
80 ASSERT(IDM_ABOUTBOX < 0xF000);
81
82 CMenu* pSysMenu = GetSystemMenu(FALSE);
83 if (pSysMenu != NULL)
84 {
85 CString strAboutMenu;
86 strAboutMenu.LoadString(IDS_ABOUTBOX);
87 if (!strAboutMenu.IsEmpty())
88 {
89 pSysMenu->AppendMenu(MF_SEPARATOR);
90 pSysMenu->AppendMenu(MF_STRING, IDM_ABOUTBOX, strAboutMenu);
91
}
92 }
93
94
96
97 // 设置此对话框的图标。当应用程序主窗口不是对话框时，框架将自动
98 // 执行此操作
99 SetIcon(m_hIcon, TRUE); // 设置大图标
100 SetIcon(m_hIcon, FALSE); // 设置小图标
101
102 // TODO: 在此添加额外的初始化代码
103
104 return TRUE; // 除非将焦点设置到控件，否则返回 TRUE
105}
106
107void CDEMO1Dlg::OnSysCommand(UINT nID, LPARAM lParam)
108{
109 if ((nID & 0xFFF0) == IDM_ABOUTBOX)
110 {
111 CAboutDlg dlgAbout;
112 dlgAbout.DoModal();
113 }
114 else
115 {
116 CDialog::OnSysCommand(nID, lParam);
117 }
118}
119
120// 如果向对话框添加最小化按钮，则需要下面的代码
121// 来绘制该图标。对于使用文档/视图模型的 MFC 应用程序，
122// 这将由框架自动完成。
123
124void CDEMO1Dlg::OnPaint()
125{
126 if (IsIconic())
127 {
128 CPaintDC dc(this); // 用于绘制的设备上下文
129
130 SendMessage(WM_ICONERASEBKGND, reinterpret_cast<WPARAM>(dc.GetSafeHdc()), 0);
131
132 // 使图标在工作矩形中居中
133 int cxIcon = GetSystemMetrics(SM_CXICON);
134 int cyIcon = GetSystemMetrics(SM_CYICON);
135 CRect rect;
136 GetClientRect(&rect);
137 int x = (rect.Width() - cxIcon + 1) / 2;
138 int y = (rect.Height() - cyIcon + 1) / 2;
139
140 // 绘制图标
141 dc.DrawIcon(x, y, m_hIcon);
142 }
143 else
144 {
145 CDialog::OnPaint();
146 }
147}
148
149//当用户拖动最小化窗口时系统调用此函数取得光标显示。
150//
151HCURSOR CDEMO1Dlg::OnQueryDragIcon()
152{
153 return static_cast<HCURSOR>(m_hIcon);
154}
155
156void CDEMO1Dlg::OnBnClickedBtnsend()
157{
158 /**//*CString _mFilePath;
159 GetDlgItemText(IDC_FILE,_mFilePath);
160
163 SendTrack();
164}
165
166/**////////////////////////////////////////////////////////////////////167//File Store
168/**////////////////////////////////////////////////////////////////////169CString CDEMO1Dlg::MakeRequestHeaders(CString &strBoundary)
170{
171 CString strFormat;
172 CString strData;
173
174 strFormat = _T("Content-Type: multipart/form-data; boundary=%s\r\n");
175
176 strData.Format(strFormat, strBoundary);
177
178 return strData;
179}
180
181CString CDEMO1Dlg::MakePreFileData(CString &strBoundary, CString &strFileName, int iRecordID)
182{
183 /**/////////////////////////////////////////////////////////////////////////////////
184 //Content-Type:
185 //JPG image/pjpeg
186 //PNG image/x-png
187 //BMP image/bmp
188 //TIF image/tiff
189 //GIF image/gif
190 CString strFormat;
191 CString strData;
192
193 strFormat += _T("--%s");
194 strFormat += _T("\r\n");
195 strFormat += _T("Content-Disposition: form-data; name=\"recordid\"");
196 strFormat += _T("\r\n\r\n");
197 strFormat += _T("%i");
198 strFormat += _T("\r\n");
199 strFormat += _T("--%s");
200 strFormat += _T("\r\n");
201 strFormat += _T("Content-Disposition: form-data; name=\"trackdata\"; filename=\"%s\"");
202 strFormat += _T("\r\n");
203 strFormat += _T("Content-Type: image/pjpeg");
204 strFormat += _T("\r\n");
205 strFormat += _T("Content-Transfer-Encoding: binary");
206 strFormat += _T("\r\n\r\n");
207
208 strData.Format(strFormat, strBoundary, iRecordID, strBoundary, strFileName);
209
210 return strData;
211}
212
213CString CDEMO1Dlg::MakePostFileData(CString &strBoundary)
214{
215 CString strFormat;
216 CString strData;
217
218 strFormat = _T("\r\n");
219 strFormat += _T("--%s");
220 strFormat += _T("\r\n");
221 strFormat += _T("Content-Disposition: form-data; name=\"submitted\"");
222 strFormat += _T("\r\n\r\n");
223 strFormat += _T("hello");
224 strFormat += _T("\r\n");
225 strFormat += _T("--%s--");
226 strFormat += _T("\r\n");
227
228 strData.Format(strFormat, strBoundary, strBoundary);
229
230 return strData;
231}
232
233BOOL CDEMO1Dlg::SendTrack()
234{
235 CString _mFilePath;
236 GetDlgItemText(IDC_FILE,_mFilePath);
237
238 int startp = _mFilePath.ReverseFind('\\');
239 int namelen = _mFilePath.GetLength()-startp-1;
240
241 CString pcmname = _mFilePath.Mid(startp+1,namelen);
242
243 CString defServerName ="uploada.mytest.com";
244 CString defObjectName ="/upload.aspx";
245
246
247 // USES_CONVERSION;
248 CInternetSession Session;
249 CHttpConnection *pHttpConnection = NULL;
250 INTERNET_PORT nPort = 80;
251 CFile fTrack;
252 CHttpFile* pHTTP;
253 CString strHTTPBoundary;
254 CString strPreFileData;
255 CString strPostFileData;
256 DWORD dwTotalRequestLength;
257 DWORD dwChunkLength;
258 DWORD dwReadLength;
259 DWORD dwResponseLength;
260 TCHAR szError[MAX_PATH];
261 void* pBuffer;
262 LPSTR szResponse;
263 CString strResponse;
264 BOOL bSuccess = TRUE;
265
266 CString strDebugMessage;
267
268 if (FALSE == fTrack.Open(_mFilePath, CFile::modeRead | CFile::shareDenyWrite))
269 {
270 AfxMessageBox(_T("Unable to open the file."));
271 return FALSE;
272 }
273
274 int iRecordID = 1;
275 strHTTPBoundary = _T("IllBeVerySurprisedIfThisTurnsUp");
276 strPreFileData = MakePreFileData(strHTTPBoundary, pcmname, iRecordID);
277 strPostFileData = MakePostFileData(strHTTPBoundary);
278
279 AfxMessageBox(strPreFileData);
280 AfxMessageBox(strPostFileData);
281
282 dwTotalRequestLength = strPreFileData.GetLength() + strPostFileData.GetLength() + fTrack.GetLength();
283
284 dwChunkLength = 64 * 1024;
285
286 pBuffer = malloc(dwChunkLength);
287
288 if (NULL == pBuffer)
289 {
290 return FALSE;
291 }
292
293 try
294 {
295 pHttpConnection = Session.GetHttpConnection(defServerName,nPort);
296 pHTTP = pHttpConnection->OpenRequest(CHttpConnection::HTTP_VERB_POST, defObjectName);
297 pHTTP->AddRequestHeaders(MakeRequestHeaders(strHTTPBoundary));
298 pHTTP->SendRequestEx(dwTotalRequestLength, HSR_SYNC | HSR_INITIATE);
299
300 #ifdef _UNICODE
301 pHTTP->Write(W2A(strPreFileData), strPreFileData.GetLength());
302 #else
303 pHTTP->Write((LPSTR)(LPCSTR)strPreFileData, strPreFileData.GetLength());
304 #endif
305
306 dwReadLength = -1;
307 while (0 != dwReadLength)
308 {
309 strDebugMessage.Format(_T("%u / %u\n"), fTrack.GetPosition(), fTrack.GetLength());
310 TRACE(strDebugMessage);
311 dwReadLength = fTrack.Read(pBuffer, dwChunkLength);
312 if (0 != dwReadLength)
313 {
314 pHTTP->Write(pBuffer, dwReadLength);
315 }
316 }
317
318 #ifdef _UNICODE
319 pHTTP->Write(W2A(strPostFileData), strPostFileData.GetLength());
320 #else
321 pHTTP->Write((LPSTR)(LPCSTR)strPostFileData, strPostFileData.GetLength());
322 #endif
323
324 pHTTP->EndRequest(HSR_SYNC);
325
326 dwResponseLength = pHTTP->GetLength();
327 while (0 != dwResponseLength)
328 {
329 szResponse = (LPSTR)malloc(dwResponseLength + 1);
330 szResponse[dwResponseLength] = '\0';
331 pHTTP->Read(szResponse, dwResponseLength);
332 strResponse += szResponse;
333 free(szResponse);
334 dwResponseLength = pHTTP->GetLength();
335 }
336
337 AfxMessageBox(strResponse);
338
339 }
340 catch (CException* e)
341 {
342 e->GetErrorMessage(szError, MAX_PATH);
343 e->Delete();
344 AfxMessageBox(szError);
345 bSuccess = FALSE;
346 }
347
348 pHTTP->Close();
349 delete pHTTP;
350
351 fTrack.Close();
352
353 if (NULL != pBuffer)
354 {
355 free(pBuffer);
356 }
357 return bSuccess;
358}
posted on 2007-05-07 18:07
Boon 阅读(4238)
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