?? downloader.cpp
字號:
#include <qmessagebox.h>#include "downloader.h"Downloader::Downloader(const QUrl &url){ if (url.protocol() != "ftp") { QMessageBox::warning(0, tr("Downloader"), tr("Protocol must be 'ftp'.")); emit finished(); return; } int port = 21; if (url.hasPort()) port = url.port(); connect(&ftp, SIGNAL(done(bool)), this, SLOT(ftpDone(bool))); connect(&ftp, SIGNAL(listInfo(const QUrlInfo &)), this, SLOT(listInfo(const QUrlInfo &))); ftp.connectToHost(url.host(), port); ftp.login(url.user(), url.password()); ftp.cd(url.path()); ftp.list();}void Downloader::listInfo(const QUrlInfo &urlInfo){ if (urlInfo.isFile() && urlInfo.isReadable()) { QFile *file = new QFile(urlInfo.name()); if (!file->open(IO_WriteOnly)) { QMessageBox::warning(0, tr("Downloader"), tr("Error: Cannot open file " "%1:\n%2.") .arg(file->name()) .arg(file->errorString())); emit finished(); return; } ftp.get(urlInfo.name(), file); openedFiles.push_back(file); }}void Downloader::ftpDone(bool error){ if (error) QMessageBox::warning(0, tr("Downloader"), tr("Error: %1.") .arg(ftp.errorString())); for (int i = 0; i < (int)openedFiles.size(); ++i) delete openedFiles[i]; emit finished();}?? 快捷鍵說明
復制代碼
Ctrl + C
搜索代碼
Ctrl + F
全屏模式
F11
切換主題
Ctrl + Shift + D
顯示快捷鍵
?
增大字號
Ctrl + =
減小字號
Ctrl + -