feat：创建json读写示例程序

Web/JsonExamples/JsonExamples.pro

+TEMPLATE = subdirs
+
+SUBDIRS += QtJson     # qt使用内置json库读写json示例

Web/JsonExamples/QtJson/QtJson.pro

+#---------------------------------------------------------------------------------------
+# @功能：       使用内置json库读写json示例
+# @编译器：     Desktop Qt 5.12.5 MSVC2017 64bit（也支持其它编译器）
+# @Qt IDE：    D:/Qt/Qt5.12.5/Tools/QtCreator/share/qtcreator
+#
+# @开发者     mhf
+# @邮箱       1603291350@qq.com
+# @时间       2022-12-12 22:49:26
+# @备注
+#---------------------------------------------------------------------------------------
+QT       += core gui
+
+greaterThan(QT_MAJOR_VERSION, 4): QT += widgets
+CONFIG += c++11
+DEFINES += QT_DEPRECATED_WARNINGS
+SOURCES += \
+    main.cpp \
+    widget.cpp
+
+HEADERS += \
+    widget.h
+
+FORMS += \
+    widget.ui
+
+# Default rules for deployment.
+qnx: target.path = /tmp/$${TARGET}/bin
+else: unix:!android: target.path = /opt/$${TARGET}/bin
+!isEmpty(target.path): INSTALLS += target
+
+#  定义程序版本号
+VERSION = 1.0.0
+DEFINES += APP_VERSION=\\\"$$VERSION\\\"
+
+contains(QT_ARCH, i386){            # 使用32位编译器
+    DESTDIR = $$PWD/../bin          # 程序输出路径
+}else{
+    DESTDIR = $$PWD/../bin64        # 使用64位编译器
+}
+
+
+# msvc  编译器使用utf-8编码
+msvc {
+QMAKE_CFLAGS += /utf-8
+QMAKE_CXXFLAGS += /utf-8
+}

Web/JsonExamples/QtJson/main.cpp

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

Web/JsonExamples/QtJson/widget.cpp

+#include "widget.h"
+#include "ui_widget.h"
+
+#include <QJsonArray>
+#include <QJsonDocument>
+#include <QJsonObject>
+#include <QJsonParseError>
+#include <QJsonValue>
+
+Widget::Widget(QWidget *parent)
+    : QWidget(parent)
+    , ui(new Ui::Widget)
+{
+    ui->setupUi(this);
+}
+
+Widget::~Widget()
+{
+    delete ui;
+}
+

Web/JsonExamples/QtJson/widget.h

+#ifndef WIDGET_H
+#define WIDGET_H
+
+#include <QWidget>
+
+QT_BEGIN_NAMESPACE
+namespace Ui { class Widget; }
+QT_END_NAMESPACE
+
+class Widget : public QWidget
+{
+    Q_OBJECT
+
+public:
+    Widget(QWidget *parent = nullptr);
+    ~Widget();
+
+private:
+    Ui::Widget *ui;
+};
+#endif // WIDGET_H

Web/JsonExamples/QtJson/widget.ui

+<?xml version="1.0" encoding="UTF-8"?>
+<ui version="4.0">
+ <class>Widget</class>
+ <widget class="QWidget" name="Widget">
+  <property name="geometry">
+   <rect>
+    <x>0</x>
+    <y>0</y>
+    <width>472</width>
+    <height>366</height>
+   </rect>
+  </property>
+  <property name="windowTitle">
+   <string>Widget</string>
+  </property>
+  <layout class="QGridLayout" name="gridLayout">
+   <item row="1" column="1">
+    <widget class="QPushButton" name="pushButton_2">
+     <property name="text">
+      <string>解析Json</string>
+     </property>
+    </widget>
+   </item>
+   <item row="1" column="0">
+    <widget class="QPushButton" name="pushButton">
+     <property name="text">
+      <string>生成Json</string>
+     </property>
+    </widget>
+   </item>
+   <item row="1" column="2">
+    <spacer name="horizontalSpacer">
+     <property name="orientation">
+      <enum>Qt::Horizontal</enum>
+     </property>
+     <property name="sizeHint" stdset="0">
+      <size>
+       <width>40</width>
+       <height>20</height>
+      </size>
+     </property>
+    </spacer>
+   </item>
+   <item row="0" column="0" colspan="3">
+    <widget class="QTextEdit" name="textEdit"/>
+   </item>
+  </layout>
+ </widget>
+ <resources/>
+ <connections/>
+</ui>

Web/QtWebExamples/authorization/mainwindow.cpp

@@ -13,7 +13,7 @@ MainWindow::MainWindow(QWidget *parent)
     QWebEnginePage* page = m_view->page();
     connect(page, &QWebEnginePage::featurePermissionRequested, this, &MainWindow::on_featurePermissionRequested);
 
-#if 0
+#if 1
     page->load(QUrl(QStringLiteral("https://app.xunjieshipin.com/luping/")));
 #else
     page->load(QUrl(QStringLiteral("qrc:/video.html")));

Web/QtWebExamples/channelDemo/widget.cpp

@@ -9,6 +9,7 @@ Widget::Widget(QWidget *parent)
     , ui(new Ui::Widget)
 {
     ui->setupUi(this);
+    this->setWindowTitle(QString("使用QtWebChannel实现Qt与Web通信交互 - V%1").arg(APP_VERSION));  // 设置窗口标题
 
     connect(Core::getInstance(), &Core::webButClicked, this, &Widget::on_webButClicked);
 

Web/QtWebExamples/minimal2/main.cpp

@@ -16,11 +16,13 @@ int main(int argc, char *argv[])
 #if DEMO == 0
     QString  html("<h1 align='center' style='font-size:80px; color:red;'>hello </h1>");
     view.setHtml(html);    // 直接在QWebEngineView中显示Html代码
+
 #elif DEMO == 1
     // 百度搜索界面的图标地址 https://www.baidu.com/img/PCtm_d9c8750bed0b3c7d089fa7d55720d6cf.png
     // setHtml使用参数2 (baseUrl)后，可以在html代码中使用【相对路径】引用baseUrl中的资源
     QString html("<img src='/img/PCtm_d9c8750bed0b3c7d089fa7d55720d6cf.png'/>");   // 注意：字符串html不能超过2MB
     view.setHtml(html, QUrl("https://www.baidu.com"));
+
 #elif DEMO == 2
     QString  html("<h1 align='center' style='font-size:80px; color:red;'>hello </h1>");
     view.setContent(html.toUtf8(), "text/html; charset=UTF-8");

Web/Web.pro

 TEMPLATE = subdirs
 
-SUBDIRS += QtWebExamples
+SUBDIRS += QtWebExamples \
+    JsonExamples