: QWidget(parent), userId(0), settings(settings_ref)

{

// 设置服务器URL

serverUrl = "http://47.102.155.138:5000";

// 创建UI组件

QVBoxLayout *layout = new QVBoxLayout(this);

usernameEdit = new QLineEdit(this);

usernameEdit->setPlaceholderText("用户名");

layout->addWidget(usernameEdit);

passwordEdit = new QLineEdit(this);

passwordEdit->setPlaceholderText("密码");

passwordEdit->setEchoMode(QLineEdit::Password);

layout->addWidget(passwordEdit);

emailEdit = new QLineEdit(this);

emailEdit->setPlaceholderText("邮箱 (注册用)");

layout->addWidget(emailEdit);

nicknameEdit = new QLineEdit(this);

nicknameEdit->setPlaceholderText("昵称");

layout->addWidget(nicknameEdit);

skinEdit = new QLineEdit(this);

skinEdit->setPlaceholderText("皮肤 (default/dark/light)");

layout->addWidget(skinEdit);

loginButton = new QPushButton("登录", this);

layout->addWidget(loginButton);

registerButton = new QPushButton("注册", this);

layout->addWidget(registerButton);

updateButton = new QPushButton("更新设置", this);

layout->addWidget(updateButton);

logoutButton = new QPushButton("登出", this);

layout->addWidget(logoutButton);

statusLabel = new QLabel(this);

layout->addWidget(statusLabel);

// 连接信号和槽

connect(loginButton, &QPushButton::clicked, this, &SimpleAuthSystem::onLoginClicked);

connect(registerButton, &QPushButton::clicked, this, &SimpleAuthSystem::onRegisterClicked);

connect(updateButton, &QPushButton::clicked, this, &SimpleAuthSystem::onUpdateSettingsClicked);

connect(logoutButton, &QPushButton::clicked, this, &SimpleAuthSystem::onLogoutClicked);

setWindowTitle("简单认证系统");

resize(300, 400);

const QString &method, const QString &token,

std::function<void(bool, const QJsonDocument &)> callback)

{

QProcess *process = new QProcess(this);

QStringList args;

args << "-s"; // 静默模式

args << "-X" << method; // 请求方法

args << "-H" << "Content-Type: application/json";

if (!token.isEmpty())

{

args << "-H" << QString("Authorization: Bearer %1").arg(token);

}

if (!data.isEmpty())

{

args << "-d" << data;

}

QString url = serverUrl + endpoint;

args << url;

statusLabel->setText("正在发送请求...");

connect(process, &QProcess::finished, this, [=, this](int exitCode, QProcess::ExitStatus exitStatus)

{

QString response = QString::fromUtf8(process->readAllStandardOutput());

QString error = QString::fromUtf8(process->readAllStandardError());

bool success = (exitCode == 0 && exitStatus == QProcess::NormalExit);

if (!success) {

statusLabel->setText("请求失败: " + error);

process->deleteLater();

return;

}

// 解析JSON响应

QJsonParseError jsonError;

QJsonDocument jsonDoc = QJsonDocument::fromJson(response.toUtf8(), &jsonError);

if (jsonError.error != QJsonParseError::NoError) {

statusLabel->setText("JSON解析错误: " + jsonError.errorString());

process->deleteLater();

return;

}

callback(true, jsonDoc);

process->deleteLater(); });

process->start("curl", args);

{

QString username = usernameEdit->text().trimmed();

QString password = passwordEdit->text();

if (username.isEmpty() || password.isEmpty())

{

statusLabel->setText("用户名和密码不能为空");

return;

}

// 准备JSON数据

QJsonObject jsonObj;

jsonObj["username"] = username;

jsonObj["password"] = password;

QJsonDocument doc(jsonObj);

QString jsonData = QString::fromUtf8(doc.toJson());

// 发送请求

sendHttpRequest("/api/auth/login", jsonData, "POST", "", [this](bool success, const QJsonDocument &response)

{

if (!success) return;

QJsonObject responseObj = response.object();

if (responseObj["status"].toString() == "success") {

accessToken = responseObj["access_token"].toString();

userId = responseObj["user"].toObject()["id"].toInt();

QString nickname = responseObj["user"].toObject()["nickname"].toString();

settings.setUserID(userId);

settings.setUserNickname(nickname.toStdString());

statusLabel->setText("登录成功");

} else {

QString message = responseObj.contains("message") ?

responseObj["message"].toString() : "未知错误";

statusLabel->setText("登录失败: " + message);

} });

{

QString username = usernameEdit->text().trimmed();

QString password = passwordEdit->text();

QString email = emailEdit->text().trimmed();

QString nickname = nicknameEdit->text().trimmed();

if (username.isEmpty() || password.isEmpty() || email.isEmpty())

{

statusLabel->setText("用户名、密码和邮箱不能为空");

return;

}

// 准备JSON数据

QJsonObject jsonObj;

jsonObj["username"] = username;

jsonObj["password"] = password;

jsonObj["email"] = email;

if (!nickname.isEmpty())

{

jsonObj["nickname"] = nickname;

}

QJsonDocument doc(jsonObj);

QString jsonData = QString::fromUtf8(doc.toJson());

// 发送请求

sendHttpRequest("/api/auth/register", jsonData, "POST", "", [this](bool success, const QJsonDocument &response)

{

if (!success) return;

QJsonObject responseObj = response.object();

if (responseObj["status"].toString() == "success") {

accessToken = responseObj["access_token"].toString();

userId = responseObj["user"].toObject()["id"].toInt();

QString nickname = responseObj["user"].toObject()["nickname"].toString();

settings.setUserID(userId);

settings.setUserNickname(nickname.toStdString());

statusLabel->setText("注册成功");

} else {

QString message = responseObj.contains("message") ?

responseObj["message"].toString() : "未知错误";

statusLabel->setText("注册失败: " + message);

} });

{

if (accessToken.isEmpty())

{

statusLabel->setText("请先登录");

return;

}

QString nickname = nicknameEdit->text().trimmed();

QString skin = skinEdit->text().trimmed();

if (nickname.isEmpty())

{

statusLabel->setText("昵称不能为空");

return;

}

// 准备JSON数据

QJsonObject jsonObj;

jsonObj["nickname"] = nickname;

jsonObj["current_skin"] = skin.isEmpty() ? "default" : skin;

QJsonDocument doc(jsonObj);

QString jsonData = QString::fromUtf8(doc.toJson());

// 发送请求

sendHttpRequest("/api/auth/settings", jsonData, "PUT", accessToken, [this](bool success, const QJsonDocument &response)

{

if (!success) return;

QJsonObject responseObj = response.object();

if (responseObj["status"].toString() == "success") {

statusLabel->setText("设置更新成功");

} else {

QString message = responseObj.contains("message") ?

responseObj["message"].toString() : "未知错误";

statusLabel->setText("更新设置失败: " + message);

} });

{

if (accessToken.isEmpty())

{

statusLabel->setText("未登录");

return;

}

// 发送请求

sendHttpRequest("/api/auth/logout", "", "POST", accessToken, [this](bool success, const QJsonDocument &response)

{

// 无论服务器响应如何，都清除本地令牌

accessToken = "";

userId = 0;

statusLabel->setText("已登出"); });