应用聚合数据 API(申请链接 https://www.juhe.cn/docs/api/id/73) 实现 Windows 日历天气程序，具体展示如下：

今日天气

将来七日天气

当年全副假期

最近的假期

calendar_weather.py

 import json from urllib import request  def get_supported_citys():    #反对城市列表    url = "http://v.juhe.cn/weather/citys?key=key"    with request.urlopen(url) as f:        allData = f.read().decode("utf-8")        dataMap = json.loads(allData)        if dataMap["error_code"] == 0:            file_name = "supported_citys.txt"            for root, dirs, files in os.walk("."):                if file_name in files:                    os.remove(os.path.join(root, file_name))             ret = dataMap["result"]            for data in ret:                with open(file_name, "a") as f:                    s = "%s %s %s %s" %(data["province"], data["city"], data["district"], data["id"])                    f.write(s + "\r\n") def get_weather_by_name_or_id(city_id):    #依据城市名/id查问天气    url = "http://v.juhe.cn/weather/index?cityname=" + city_id + "&dtype=json&format=2&key=key"    with request.urlopen(url) as f:        allData = f.read().decode("utf-8")        dataMap = json.loads(allData)        if dataMap["error_code"] == 0:            ret = dataMap["result"]            sk = ret["sk"]            today = ret["today"]            future = ret["future"]            ret_lst = []            ret_lst.append(sk["wind_strength"])            ret_lst.append(sk["time"])            ret_lst.append(today["date_y"])            ret_lst.append(today["week"])            ret_lst.append(today["city"])            ret_lst.append(today["weather"])            ret_lst.append(today["temperature"])            ret_lst.append(today["wind"])            for data in future:                ret_lst.append(data["date"])                ret_lst.append(data["week"])                ret_lst.append(data["weather"])                ret_lst.append(data["temperature"])                ret_lst.append(data["wind"])            return ret_lst def get_today_calendar(date):    #获取当天的详细信息    url = "http://v.juhe.cn/calendar/day?date=" + date + "&key=key"    with request.urlopen(url) as f:        allData = f.read().decode("utf-8")        dataMap = json.loads(allData)        if dataMap["error_code"] == 0:            ret = dataMap["result"]["data"];            ret_lst = []            ret_lst.append(ret["date"])            ret_lst.append(ret["weekday"])            ret_lst.append(ret["animalsYear"])            ret_lst.append(ret["lunarYear"])            ret_lst.append(ret["lunar"])            ret_lst.append(ret["suit"])            ret_lst.append(ret["avoid"])            return ret_lst def get_this_year_holiday(year):    #获取当年的假期列表    url = "http://v.juhe.cn/calendar/year?year=" + year + "&key=key"    with request.urlopen(url) as f:        allData = f.read().decode("utf-8")        dataMap = json.loads(allData)        if dataMap["error_code"] == 0:            ret = json.loads(dataMap["result"]["data"]["holidaylist"])            ret_lst = []            for data in ret:                ret_lst.append("%s %s" %(data["name"], data["startday"]))            return ret_lst def get_latest_holiday(year_month):    #获取近期假期    url = "http://v.juhe.cn/calendar/month?year-month=" + year_month + "&key=key"    with request.urlopen(url) as f:        allData = f.read().decode("utf-8")        dataMap = json.loads(allData)        if dataMap["error_code"] == 0:            ret = dataMap["result"]["data"]            ret = json.loads(ret["holiday"])            ret_lst = []            for data in ret:                ret_lst.append(data["festival"])                ret_lst.append(data["name"])                ret_lst.append(data["desc"])                ret_lst.append("%s" %(data["list#num#"]))                for detail in data["list"]:                    if detail["status"] == "1":                        ret_lst.append("%s %s" %(detail["date"], "休"))                    elif detail["status"] == "2":                        ret_lst.append("%s %s" %(detail["date"], "班"))            return ret_lst

mainwindow.cpp

#include "ui_mainwindow.h"#include <QDir>#include <QMessageBox>#include <QFile>#include <QTextStream>#include <QStringListModel> MainWindow::MainWindow(QWidget *parent) :    QMainWindow(parent),    ui(new Ui::MainWindow){    ui->setupUi(this);    QFont font;    font.setPixelSize(14);    setFont(font);    setWindowTitle(QStringLiteral("日历天气"));     connect(ui->comboBox_province, SIGNAL(currentTextChanged(QString)), this, SLOT(provinceChanged(QString)));    connect(ui->comboBox_city, SIGNAL(currentTextChanged(QString)), this, SLOT(cityChanged(QString)));    connect(ui->listWidget, SIGNAL(currentRowChanged(int)), this, SLOT(listwidgetChanged()));     ui->comboBox_province->setSizeAdjustPolicy(QComboBox::AdjustToContents);    ui->comboBox_city->setSizeAdjustPolicy(QComboBox::AdjustToContents);    ui->comboBox_district->setSizeAdjustPolicy(QComboBox::AdjustToContents);    ui->listWidget->setMaximumWidth(200);     QStringList headersLst;    headersLst << QStringLiteral("工夫") << QStringLiteral("天气") << QStringLiteral("温度") << QStringLiteral("风力");    ui->tableWidget->setColumnCount(headersLst.count());    ui->tableWidget->setHorizontalHeaderLabels(headersLst);     ui->tableWidget->setRowCount(7);    ui->tableWidget->verticalHeader()->setVisible(false);     ui->tableWidget->horizontalHeader()->setSectionResizeMode(0, QHeaderView::ResizeToContents);    ui->tableWidget->horizontalHeader()->setSectionResizeMode(1, QHeaderView::ResizeToContents);    ui->tableWidget->horizontalHeader()->setSectionResizeMode(2, QHeaderView::ResizeToContents);    ui->tableWidget->horizontalHeader()->setSectionResizeMode(3, QHeaderView::Stretch);     ui->tableWidget->setEditTriggers(QAbstractItemView::NoEditTriggers);    ui->tableWidget->setSelectionBehavior(QAbstractItemView::SelectRows);     ui->treeWidget->setHeaderHidden(true);    ui->treeWidget->setColumnCount(1);     readSupportedCitys();    readSavedCitys();} MainWindow::~MainWindow(){    delete ui;} void MainWindow::closeEvent(QCloseEvent *event){    Q_UNUSED(event);     QFile file("saved_citys.txt");    file.open(QIODevice::WriteOnly | QIODevice::Text);     QTextStream in(&file);    in.setCodec("utf-8");     int count = ui->listWidget->count();    for (int i = 0; i < count; ++i)    {        QListWidgetItem *item = ui->listWidget->item(i);        in << item->text() << " " << item->data(Qt::UserRole).toString() << endl;    }     file.close();} void MainWindow::readSavedCitys(){    QFile file("saved_citys.txt");    if (!file.open(QIODevice::ReadOnly | QIODevice::Text))    {        QMessageBox::information(this, QStringLiteral("提醒"), QStringLiteral("找不到saved_citys.txt文件"), QStringLiteral("确定"));        return;    }     QTextStream in(&file);    in.setCodec("utf-8");     while (!in.atEnd())    {        QStringList strLst = in.readLine().split(" ");        QListWidgetItem *item = new QListWidgetItem;        item->setText(strLst[0]);        item->setData(Qt::UserRole, strLst[1]);        ui->listWidget->addItem(item);    }} void MainWindow::getTodayCalendar(QString date){    if (!initPython())    {        return;    }     PyObject *pFun = PyObject_GetAttrString(mPythonModule, "get_today_calendar");    PyObject *args = Py_BuildValue("(s)", date.toStdString().c_str());    PyObject *pRet = PyObject_CallObject(pFun, args);     if (pRet == nullptr)    {        QMessageBox::information(this, QStringLiteral("提醒"), QStringLiteral("临时获取不到数据"), QStringLiteral("确定"));        return;    }     QString animalsYear = getPythonListByIndex(pRet, 2);    QString lunarYear = getPythonListByIndex(pRet, 3);    QString lunar = getPythonListByIndex(pRet, 4);    QString suit = getPythonListByIndex(pRet, 5);    QString avoid = getPythonListByIndex(pRet, 6);     ui->label_lunar->setText(QStringLiteral("%1 %2 %3").arg(lunarYear).arg(animalsYear).arg(lunar));    ui->label_suit->setText(suit.replace(".", " "));    ui->label_avoid->setText(avoid.replace(".", " "));     Py_Finalize();} void MainWindow::getThisYearHoliday(QString year){    if (!initPython() || mIsAllHolidayGeted)    {        return;    }     PyObject *pFun = PyObject_GetAttrString(mPythonModule, "get_this_year_holiday");    PyObject *args = Py_BuildValue("(s)", year.toStdString().c_str());    PyObject *pRet = PyObject_CallObject(pFun, args);     if (pRet == nullptr)    {        QMessageBox::information(this, QStringLiteral("提醒"), QStringLiteral("临时获取不到数据"), QStringLiteral("确定"));        return;    }     int count = PyList_Size(pRet);    for (int i = 0; i < count; ++i)    {        QString str = getPythonListByIndex(pRet, i);        QListWidgetItem *item = new QListWidgetItem;        item->setText(str);        ui->listWidget_2->addItem(item);         if (!mIsAllHolidayGeted)        {            mIsAllHolidayGeted = true;        }    }     Py_Finalize();} void MainWindow::getLatestHoliday(QString yearMonth){    if (!initPython() || mIsLatestHolidayGeted)    {        return;    }     PyObject *pFun = PyObject_GetAttrString(mPythonModule, "get_latest_holiday");    PyObject *args = Py_BuildValue("(s)", yearMonth.toStdString().c_str());    PyObject *pRet = PyObject_CallObject(pFun, args);     if (pRet == nullptr)    {        QMessageBox::information(this, QStringLiteral("提醒"), QStringLiteral("临时获取不到数据"), QStringLiteral("确定"));        return;    }     int count = PyList_Size(pRet);    QString str;    for (int i = 0; i < count;)    {        QString tmp = getPythonListByIndex(pRet, i);         if (tmp.toInt())        {            QTreeWidgetItem *root = new QTreeWidgetItem(ui->treeWidget);            QStringList strLst = str.split(" ");            root->setText(0, QStringLiteral("%1：%2（%3）").arg(strLst[0]).arg(strLst[1]).arg(strLst[2]));            ui->treeWidget->addTopLevelItem(root);             for (int j = i + 1; j < i + 1 + tmp.toInt(); ++j)            {                QStringList lst;                lst << getPythonListByIndex(pRet, j);                QTreeWidgetItem *child = new QTreeWidgetItem(root, lst);                root->addChild(child);            }             i = i + 1 + tmp.toInt();            str = "";        }        else        {            if (str.isEmpty())            {                str = tmp;            }            else            {                str = str + " " + tmp;            }             i = i + 1;        }         if (!mIsLatestHolidayGeted)        {            mIsLatestHolidayGeted = true;        }    }     Py_Finalize();} void MainWindow::readSupportedCitys(){    QFile file("supported_citys.txt");    if (!file.open(QIODevice::ReadOnly | QIODevice::Text))    {        QMessageBox::information(this, QStringLiteral("提醒"), QStringLiteral("找不到supported_citys.txt文件"), QStringLiteral("确定"));        return;    }     QTextStream in(&file);    in.setCodec("utf-8");     QString oldProvince;    QString oldCity;    while (!in.atEnd())    {        QStringList strLst = in.readLine().split(" ");         QString province = strLst[0];        QString city = strLst[1];        if (oldCity.isEmpty())        {            oldCity = city;        }        if (oldProvince.isEmpty())        {            oldProvince = province;        }         if (city != oldCity)        {            mCityDistrictMap.insert(oldCity, mDistrictIdMap);            oldCity = city;            mDistrictIdMap.clear();        }         if (province != oldProvince)        {            mProvinceCityMap.insert(oldProvince, mCityDistrictMap);            oldProvince = province;            mCityDistrictMap.clear();        }         mDistrictIdMap.insert(strLst[2], strLst[3]);    }     QStringList provinceLst;    foreach (QString province, mProvinceCityMap.keys())    {        provinceLst << province;    }    QStringListModel *model = new QStringListModel;    model->setStringList(provinceLst);    ui->comboBox_province->setModel(model);     file.close();} bool MainWindow::initPython(){    Py_Initialize();    if (!Py_IsInitialized())    {        QMessageBox::information(this, QStringLiteral("提醒"), QStringLiteral("未能初始化Python库"), QStringLiteral("确定"));        return false;    }     QString str = "sys.path.append('" + QDir::currentPath() + "')";    PyRun_SimpleString("import sys");    PyRun_SimpleString(str.toStdString().c_str());     mPythonModule = PyImport_ImportModule("calendar_weather");    if (!mPythonModule)    {        QMessageBox::information(this, QStringLiteral("提醒"), QStringLiteral("找不到calendar_weather.py文件或文件存在语法错误"), QStringLiteral("确定"));        return false;    }     return true;} void MainWindow::getWeatherById(QString id){    if (!initPython())    {        return;    }     PyObject *pFun = PyObject_GetAttrString(mPythonModule, "get_weather_by_name_or_id");    PyObject *args = Py_BuildValue("(s)", id.toStdString().c_str());    PyObject *pRet = PyObject_CallObject(pFun, args);     if (pRet == nullptr)    {        QMessageBox::information(this, QStringLiteral("提醒"), QStringLiteral("临时获取不到数据"), QStringLiteral("确定"));        return;    }     QString time = getPythonListByIndex(pRet, 1);    QString date = getPythonListByIndex(pRet, 2);    QString week = getPythonListByIndex(pRet, 3);    QString city = getPythonListByIndex(pRet, 4);    QString weather = getPythonListByIndex(pRet, 5);    QString temperature = getPythonListByIndex(pRet, 6);    QString wind = getPythonListByIndex(pRet, 7);     ui->label_date->setText(QStringLiteral("%1 %2 %3")                            .arg(date.replace(QStringLiteral("年"), "-").replace(QStringLiteral("月"), "-").replace(QStringLiteral("日"), ""))                            .arg(week)                            .arg(QStringLiteral("（更新工夫 %1）").arg(time)));    ui->label_city->setText(city);    ui->label_weather->setText(weather);    ui->label_temperature->setText(temperature);    ui->label_wind->setText(wind);     QString str = date.replace(QStringLiteral("年"), "-").replace(QStringLiteral("月"), "-").replace(QStringLiteral("日"), "");    QStringList strLst = str.split("-");     getTodayCalendar(QStringLiteral("%1-%2-%3").arg(strLst[0].toInt()).arg(strLst[1].toInt()).arg(strLst[2].toInt()));    getThisYearHoliday(strLst[0]);    getLatestHoliday(QStringLiteral("%1-%2").arg(strLst[0].toInt()).arg(strLst[1].toInt()));     int row = 0;    for (int index = 7; index < PyList_Size(pRet) - 5; index = index + 5)    {        QString futureDate = getPythonListByIndex(pRet, index + 1);        futureDate = QStringLiteral("%1-%2-%3")                .arg(futureDate.mid(0, 4))                .arg(futureDate.mid(4, 2))                .arg(futureDate.mid(6, 2));        QString futureWeek = getPythonListByIndex(pRet, index + 2);        QString futureWeather = getPythonListByIndex(pRet, index + 3);        QString futureTemperature = getPythonListByIndex(pRet, index + 4);        QString futureWind = getPythonListByIndex(pRet, index + 5);         ui->tableWidget->setItem(row, 0, new QTableWidgetItem(QStringLiteral("%1 %2")                                                              .arg(futureDate)                                                              .arg(futureWeek)));        ui->tableWidget->setItem(row, 1, new QTableWidgetItem(futureWeather));        ui->tableWidget->setItem(row, 2, new QTableWidgetItem(futureTemperature));        ui->tableWidget->setItem(row, 3, new QTableWidgetItem(futureWind));         row = row + 1;    }     Py_Finalize();} QString MainWindow::getPythonListByIndex(PyObject *ret, int index){    return QStringLiteral("%1").arg(PyUnicode_AsUTF8(PyList_GetItem(ret, index)));} void MainWindow::provinceChanged(const QString &province){    QMap<QString, QMap<QString, QString>> map = mProvinceCityMap.value(province);    QStringList cityLst;    foreach (QString city, map.keys())    {        cityLst << city;    }     QStringListModel *model = new QStringListModel;    model->setStringList(cityLst);    ui->comboBox_city->setModel(model);} void MainWindow::cityChanged(const QString &city){    ui->comboBox_district->clear();    QMap<QString, QString> map = mProvinceCityMap.value(ui->comboBox_province->currentText()).value(city);    foreach (QString district, map.keys())    {        ui->comboBox_district->addItem(district, map.value(district));    }} void MainWindow::on_pushButton_clicked(){    if (ui->listWidget->count() == 0)    {        connect(ui->listWidget, SIGNAL(currentRowChanged(int)), this, SLOT(listwidgetChanged()));    }     QString text = QStringLiteral("%1/%2/%3")            .arg(ui->comboBox_province->currentText())            .arg(ui->comboBox_city->currentText())            .arg(ui->comboBox_district->currentText());     int count = ui->listWidget->count();    for (int i = 0; i < count; ++i)    {        QListWidgetItem *item = ui->listWidget->item(i);        if (item->text() == text)        {            return;        }    }     QListWidgetItem *item = new QListWidgetItem;    item->setText(text);    item->setData(Qt::UserRole, ui->comboBox_district->currentData());    ui->listWidget->addItem(item);} void MainWindow::listwidgetChanged(){    QListWidgetItem *item =  ui->listWidget->currentItem();    getWeatherById(item->data(Qt::UserRole).toString());} void MainWindow::on_pushButton_2_clicked(){    if (ui->listWidget->count() == 1)    {        disconnect(ui->listWidget, SIGNAL(currentRowChanged(int)), this, SLOT(listwidgetChanged()));    }     QListWidgetItem *item = ui->listWidget->takeItem(ui->listWidget->currentRow());    delete item;}

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