Qt QJson解析json数据

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Qt QJson解析json数据

//加载根目录文件

void TeslaManageData::loadRootFolderFiles()
{
QNetworkAccessManager *manager = new QNetworkAccessManager(this);;
QNetworkRequest network_request;
QByteArray post_data; network_request.setUrl(QUrl("http://121.60.49.57:9080/tsinghuaVCService/init/selectAllFolder.action"));
network_request.setHeader(QNetworkRequest::UserAgentHeader, "Mozilla/5.0 (Windows NT 10.0; WOW64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/55.0.2883.87 UBrowser/6.2.4098.3 Safari/537.36"); connect(manager, SIGNAL(finished(QNetworkReply*)), this, SLOT(replyFinished(QNetworkReply*))); //发送请求
manager->get(network_request);
}

void TeslaManageData::replyFinished(QNetworkReply* networkReply)
{
QTextCodec *codec = QTextCodec::codecForName("utf8");
QByteArray allData = networkReply->readAll();
//使用utf8编码，这样才可以显示中文
QString all = codec->toUnicode(allData); QJsonParseError jsonError;
QJsonDocument doucment = QJsonDocument::fromJson(allData, &jsonError); // 转化为 JSON 文档
if (!doucment.isNull() && (jsonError.error == QJsonParseError::NoError)) { // 解析未发生错误
QJsonArray jsonArray1 = doucment.array(); QJsonArray::Iterator iter1;
for (iter1 = jsonArray1.begin();iter1 != jsonArray1.end();++iter1)
{
QJsonObject jsonObject1 = (*iter1).toObject();
parseJsonObjectI(jsonObject1);
}
}
networkReply->deleteLater();
}