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();

}

标签：networkReply,Qt,iter1,request,manager,json,doucment,QJson,network

来源： https://www.cnblogs.com/herd/p/11877520.html

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