QT5.1 调用https

以VS开发为例。因为https访问需要用到SSL认证,而QT默认是不支持SSL认证,所以在使用之前必须先做一些准备工作:

 

需要安装OpenSSL库:

1、首先打开http://slproweb.com/products/Win32OpenSSL.html网页;

2、下载安装包,我下载的是:Win32 OpenSSL v1.0.1c Light安装包,随着时间的推进,这个版本会不断更新的;

3、安装(exe文件)到本地,并且在安装过程中选择将库安装到OpenSSL的安装目录(/bin)下面。

4、将libeay32.dll 和 ssleay32.dll 文件拷贝到Qt中的存放有QtNetwork4.dll和QtNetworkd4.dll的文件目录下。我的是D:\Qt\4.8.2\bin

 

现在可以编写代码:

       

1 QNetworkRequest request;
2     QSslConfiguration config;
3 
4     QSslConfiguration conf = request.sslConfiguration();
5     conf.setPeerVerifyMode(QSslSocket::VerifyNone);
6     conf.setProtocol(QSsl::TlsV1SslV3);
7     request.setSslConfiguration(conf);

 

 

上面三句添回检验证书模式与协议,并设置给对应QNetworkRequest,非常重要,在这里花费了我半天的时间才找到问题

1 request.setUrl(QUrl("https://www.xxx.com/html.jsp"));
2 request.setHeader(QNetworkRequest::ContentTypeHeader, QVariant("application/json"));
3 request.setHeader(QNetworkRequest::ContentLengthHeader, bytePost.length());
4 QNetworkReply *pReply = pManager->post(request, bytePost);

 

 

备注:

    SSL证书认证,有以下三种:

1.
 

1 QSslConfiguration config ;
2 
3  config.setPeerVerifyMode(QSslSocket::VerifyNone);
4  config.setProtocol(QSsl::TlsV1);
5 
6  QNetworkRequest request(req);
7  request.setSslConfiguration(config);

 2.

1  QNetworkRequest request ;
2 
3  request.setAttribute(QNetworkRequest::HttpPipeliningAllowedAttribute, true);
4  QNetworkReply* reply = QNetworkAccessManager::createRequest(op, request, outgoingData);
5  reply->ignoreSslErrors();

 

 

 3.

1  QSslConfiguration config ;
2 
3  QList<QSslCertificate> certs = QSslCertificate::fromPath("C:\\FiddlerRoot.crt");
4  config.setCaCertificates(certs);
5 
6  QNetworkRequest request(req);
7  request.setSslConfiguration(config);

 

posted @ 2017-01-04 13:30  FelixWang  阅读(2360)  评论(0编辑  收藏  举报