#include "loginwindow.h"
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#include "ui_loginwindow.h"
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#include "registerwindow.h"
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#include "datastructures.h"
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#include <QMessageBox>
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#include <QRegExpValidator>
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#include <QTextCodec>
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LoginWindow::LoginWindow(QWidget *parent) :
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QWidget(parent),
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ui(new Ui::LoginWindow)
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{
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ui->setupUi(this);
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setWindowTitle("登录");
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// 设置输入框验证
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ui->passwordLineEdit->setEchoMode(QLineEdit::Password);
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}
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LoginWindow::~LoginWindow()
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{
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delete ui;
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}
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void LoginWindow::on_loginButton_clicked()
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{
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QString username = ui->usernameLineEdit->text().trimmed();
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QString password = ui->passwordLineEdit->text().trimmed();
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if (validateInput(username, password)) {
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// 构造登录请求结构体
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LoginReq loginReq;
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strncpy(loginReq.username, username.toUtf8().constData(), sizeof(loginReq.username)-1);
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strncpy(loginReq.password, password.toUtf8().constData(), sizeof(loginReq.password)-1);
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// 这里发送登录请求
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emit loginSuccess();
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}
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}
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void LoginWindow::on_registerButton_clicked()
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{
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RegisterWindow registerWindow(this);
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registerWindow.setWindowModality(Qt::ApplicationModal);
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registerWindow.exec();
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}
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bool LoginWindow::validateInput(const QString &username, const QString &password)
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{
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if (username.isEmpty() || password.isEmpty()) {
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QMessageBox::warning(this, "错误", "用户名和密码不能为空");
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return false;
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}
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if (!isUsernameValid(username)) {
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QMessageBox::warning(this, "错误", "用户名包含非法字符");
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return false;
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}
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if (!isPasswordValid(password)) {
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QMessageBox::warning(this, "错误", "密码长度应在6-16位之间，且只能包含字母、数字和下划线");
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return false;
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}
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return true;
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}
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bool LoginWindow::isUsernameValid(const QString &username)
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{
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// 允许中文、字母、数字和下划线
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QRegExp regex("^[\u4e00-\u9fa5a-zA-Z0-9_]{1,16}$");
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return regex.exactMatch(username);
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}
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bool LoginWindow::isPasswordValid(const QString &password)
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{
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// 密码长度6-16位，包含字母、数字和下划线
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QRegExp regex("^[a-zA-Z0-9_]{6,16}$");
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return regex.exactMatch(password);
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}
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