通过调用
http://wthrcdn.etouch.cn/weather_mini?city=梅州
获取json七天天气信息
void MainWindow::on_weatherButton_clicked()
{
manage = new QNetworkAccessManager(this);
QNetworkRequest network_request;
/*设置发送数据*/
network_request.setUrl(QUrl("http://wthrcdn.etouch.cn/weather_mini?city=梅州"));
network_request.setHeader(QNetworkRequest::UserAgentHeader,"RT-Thread ART");
connect(manage,SIGNAL(finished(QNetworkReply