无标题界面跳转以及倒计时

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资源介绍:

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#include "logindialog.h" #include "ui_logindialog.h" #include #include "mainwindow.h" #include #include LoginDialog::LoginDialog(QWidget *parent) : QDialog(parent) , ui(new Ui::LoginDialog) { ui->setupUi(this); } LoginDialog::~LoginDialog() { delete ui; } void LoginDialog::on_pushButton_login_clicked() { QString userName = ui->lineEdit_username->text().trimmed(); QString passWord = ui->lineEdit_password->text().trimmed(); QString errorString; if (loginToWindows(userName, passWord, errorString)) { this->close(); m_MainWindow = new MainWindow; m_MainWindow->show(); } else { QMessageBox::critical(this, "error", errorString); } } void LoginDialog::on_pushButton_exit_clicked() { qApp->quit(); } bool LoginDialog::loginToWindows(const QString &username, const QString &password, QString &errorInfo) { // 将QString转换为wchar_t* wchar_t *usernameW = new wchar_t[username.length() + 1]; wchar_t *passwordW = new wchar_t[password.length() + 1]; username.toWCharArray(usernameW); password.toWCharArray(passwordW); bool loginResult = true; // 调用LogonUser API HANDLE token; if (!LogonUserW(usernameW, NULL, passwordW, LOGON32_LOGON_INTERACTIVE, LOGON32_PROVIDER_DEFAULT, &token)) { DWORD errorCode = GetLastError(); // 使用FormatMessage获取错误描述 LPWSTR messageBuffer = NULL; FormatMessageW( FORMAT_MESSAGE_ALLOCATE_BUFFER | FORMAT_MESSAGE_FROM_SYSTEM | FORMAT_MESSAGE_IGNORE_INSERTS, NULL, // 指向错误信息的地址，NULL表示使用系统的最后一个错误信息 errorCode, // 错误代码 MAKELANGID(LANG_NEUTRAL, SUBLANG_DEFAULT), // 消息语言 (LPWSTR)&messageBuffer, // 指向缓冲区的指针 0, // 缓冲区大小 NULL // 指向Arguments数组的指针 ); // 检查是否成功获取错误消息 if (messageBuffer) { errorInfo = QString::fromWCharArray(messageBuffer); // 将获取的错误消息显示给用户 LocalFree(messageBuffer); // 释放由FormatMessage分配的内存 } else { errorInfo = "unknow error!"; // 如果FormatMessage失败，显示一个通用的错误消息 } CloseHandle(token); loginResult = false; } delete[] usernameW; delete[] passwordW; return true; }

资源文件列表:

CAOHUIMIN.zip 大约有19个文件

CAOHUIMIN/
CAOHUIMIN/CAOHUIMIN.pro 948B
CAOHUIMIN/CAOHUIMIN.pro.user 19.08KB
CAOHUIMIN/createwidget.cpp 324B
CAOHUIMIN/createwidget.h 357B
CAOHUIMIN/createwidget.ui 1.49KB
CAOHUIMIN/gobackbarwidget.cpp 347B
CAOHUIMIN/gobackbarwidget.h 441B
CAOHUIMIN/gobackbarwidget.ui 969B
CAOHUIMIN/logindialog.cpp 2.63KB
CAOHUIMIN/logindialog.h 580B
CAOHUIMIN/logindialog.ui 2.61KB
CAOHUIMIN/main.cpp 247B
CAOHUIMIN/mainwindow.cpp 1.82KB
CAOHUIMIN/mainwindow.h 784B
CAOHUIMIN/mainwindow.ui 6.64KB
CAOHUIMIN/searchpasswordwidget.cpp 388B
CAOHUIMIN/searchpasswordwidget.h 421B
CAOHUIMIN/searchpasswordwidget.ui 1.51KB