QT每日下载沪深A股日线数据

.proNameListCatch.hnamelistcatch.cppmain.cpp代码说明

废话不多说，先上代码。

.pro

QT += core gui network greaterThan(QT_MAJOR_VERSION, 4): QT += widgets TARGET = get_hs_a_name_list TEMPLATE = app SOURCES += main.cpp\ namelistcatch.cpp HEADERS += namelistcatch.h FORMS += namelistcatch.ui

NameListCatch.h

#ifndef NAMELISTCATCH_H #define NAMELISTCATCH_H #include <QMainWindow> #include <QDebug> #include <QTimer> #include <QDateTime> #include <QNetworkAccessManager> #include <QNetworkReply> #include <QNetworkRequest> #include <QFile> namespace Ui { class NameListCatch; } class NameListCatch : public QMainWindow { Q_OBJECT public: explicit NameListCatch(QWidget *parent = 0); ~NameListCatch(); void StockListCatch(); public: QTimer *mytimer; QNetworkAccessManager *NetAccessManager; unsigned short file_recv_flag; QString current_date; private slots: void on_mytimer_task(); void on_recv_data(QNetworkReply *reply); private: Ui::NameListCatch *ui; }; #endif // NAMELISTCATCH_H

namelistcatch.cpp

#include "namelistcatch.h" #include "ui_namelistcatch.h" NameListCatch::NameListCatch(QWidget *parent) : QMainWindow(parent), ui(new Ui::NameListCatch) { ui->setupUi(this); file_recv_flag=0; mytimer = new QTimer(this); connect(mytimer, SIGNAL(timeout()), this, SLOT(on_mytimer_task())); mytimer->start(60000); NetAccessManager = new QNetworkAccessManager(this); connect(NetAccessManager, SIGNAL(finished(QNetworkReply *)), this, SLOT(on_recv_data(QNetworkReply*))); } NameListCatch::~NameListCatch() { delete ui; } void NameListCatch::on_mytimer_task() { QDateTime current_date_time =QDateTime::currentDateTime(); current_date =current_date_time.toString("yyyy.MM.dd hh:mm:ss.zzz ddd"); //qDebug()<<current_date; unsigned short hour = current_date.mid(11,2).toInt(); //unsigned short minute = current_date.mid(14,2).toInt(); //unsigned short second = current_date.mid(17,2).toInt(); if(hour==0) { file_recv_flag = 0; } if((hour==17)&&(file_recv_flag==0)) { qDebug()<<"start catch StockList file!"<<current_date; StockListCatch(); file_recv_flag=1; } } void NameListCatch::StockListCatch() { QString url_str = "http://stock.gtimg.cn/data/get_hs_xls.php?id=ranka&type=1&metric=chr"; QUrl url(url_str); NetAccessManager->get(QNetworkRequest(url)); } void NameListCatch::on_recv_data(QNetworkReply *reply) { QString filename; QString path = "//data//namelist//"; QString year = current_date.mid(0,4); QString month = current_date.mid(5,2); QString date = current_date.mid(8,2); filename= path+year+"_"+month+"_"+date+".xls"; QByteArray recv_data = reply->readAll(); reply->deleteLater(); QFile recvfile(filename); recvfile.open(QIODevice::WriteOnly); recvfile.write(QByteArray((const char *)recv_data, recv_data.size())); recvfile.close(); }

main.cpp

#include "namelistcatch.h" #include <QApplication> int main(int argc, char *argv[]) { QApplication a(argc, argv); NameListCatch w; w.show(); return a.exec(); }

代码说明

以上随意的采用widget模式，使用定时器定时检测系统时间，当时间达到17:00后，从腾讯证券请求下载沪深两市A股日线数据的程序，源数据为xls文件，这里不作处理直接保存到指定路径下。