Cockpit-cpp/EgoQt/HttpDLL/HttpClient.cpp

#include "include/HttpClient.h"
#include "include/httpThreadNum1_global.h"

HttpClient::HttpClient()
{

}

//传文件用的，暂时没有用
bool HttpClient::post(QString strUrl, QString filePath, QString *errString)
{
    bool Result = true;
    const QUrl url = QUrl::fromUserInput(strUrl);
    m_Manager_ = new QNetworkAccessManager(this);
    QNetworkRequest network_request;


    network_request.setUrl(url);


    QFile *file = new QFile(filePath);
    file->open(QIODevice::ReadOnly);

    QFileInfo info(file->fileName());

    QHttpMultiPart *multiPart = new QHttpMultiPart(QHttpMultiPart::RelatedType);  //http发送文件
    QHttpPart filePart;
    filePart.setBodyDevice(file);
    file->setParent(multiPart);

    filePart.setHeader(QNetworkRequest::ContentDispositionHeader, QVariant(QString("form-data; name=%1;filename=%2").arg(info.fileName()).arg(info.fileName())));
    multiPart->append(filePart);

    network_request.setRawHeader("fileName",info.fileName().toLatin1());

    QNetworkReply* reply  = m_Manager_->post(network_request,multiPart);
    multiPart->setParent(reply);
    QEventLoop eventLoop;
    connect(reply, &QNetworkReply::finished, &eventLoop, &QEventLoop::quit);
    eventLoop.exec(QEventLoop::ExcludeUserInputEvents);
    QByteArray replyData = reply->readAll();
    int statusCode = reply->attribute(QNetworkRequest::HttpStatusCodeAttribute).toInt();
    QVariant redirectAttr = reply->attribute(QNetworkRequest::RedirectionTargetAttribute);
    if (reply->error()
            || 300 == statusCode //状态码300 Multiple Choices，既不是错误也不算重定向，应该是qt bug
            || !redirectAttr.isNull())
    {
        *errString = reply->error() ? reply->errorString() : QString("发生重定向(%1)，不允许此情况").arg(statusCode);
        replyData.clear();
        Result = false;
    }
    file->close();
    delete file;
    delete multiPart;
    reply->deleteLater();
    reply = nullptr;
    delete m_Manager_;
    return Result;
}

//连接服务器，发送和接收数据
//参数：url接口地址，请求信息data，错误信息，接收信息data
bool HttpClient::postQString(QString strUrl, QString strName, QString *errString ,QString *getCardBox)
{
    bool Result = true;
    const QUrl url = QUrl::fromUserInput(strUrl);
    m_Manager_QString = new QNetworkAccessManager(this);
    //http的固定请求类型
    QNetworkRequest network_request;


    network_request.setUrl(url);

    QString passQStringJsonTemp=strName;
    QByteArray passQStringJson=passQStringJsonTemp.toUtf8();

    //使用net请求的格式
    network_request.setHeader(QNetworkRequest::ContentTypeHeader, ("application/json"));
    network_request.setRawHeader("binform-auth","b602b640be404c8497f0fecc01d1f814");
    g_QMutex_token.lock();
    network_request.setRawHeader("token",g_qsToken.toUtf8().data());    //将来扩展token使用
    g_QMutex_token.unlock();

    //使用qt标准post请求
    QNetworkReply* reply  = m_Manager_QString->post(network_request,passQStringJson);
    
    //循环接收，知道包完整在进行下一步，所以做了一个子线程
    //这个循环是一个阻塞
    QEventLoop eventLoop;
    connect(reply, &QNetworkReply::finished, &eventLoop, &QEventLoop::quit);
    eventLoop.exec(QEventLoop::ExcludeUserInputEvents);

    QByteArray replyData = reply->readAll();
    // qDebug()<<replyData<<"看看打印";
    //接收返回的信息data;
    *getCardBox=replyData;
    int statusCode = reply->attribute(QNetworkRequest::HttpStatusCodeAttribute).toInt();
    QVariant redirectAttr = reply->attribute(QNetworkRequest::RedirectionTargetAttribute);
//   qDebug()<<"error"<<reply->error()<<"状态"<<statusCode<< "重定向"<<!redirectAttr.isNull();
    if (reply->error()
            || 300 == statusCode //状态码300 Multiple Choices，既不是错误也不算重定向，应该是qt bug
            || !redirectAttr.isNull())
    {
        *errString = reply->error() ? reply->errorString() : QString("发生重定向(%1)，不允许此情况").arg(statusCode);
        replyData.clear();
        Result = false;
        qDebug()<<statusCode<<!redirectAttr.isNull()<<reply->error()<<"错误";
    }
    reply->deleteLater();
    reply = nullptr;
    delete m_Manager_QString;
    return Result;
}