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LibQQt/test/sharedmemorytest/mainwindow.cpp

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2018-07-12 13:49:40 +08:00
#include "mainwindow.h"
#include "ui_mainwindow.h"
#include <QSharedMemory>
#include <QSharedData>
#include <QSharedDataPointer>
#include <QSharedPointer>
MainWindow::MainWindow ( QWidget* parent ) :
QMainWindow ( parent ),
ui ( new Ui::MainWindow )
{
ui->setupUi ( this );
//这个地方不用detach就能被删除。所以必须用static初始化保持。
//这里加个static保持就够了下边的初始化Value是按照用户自己的意愿。理论上需要初始化一下。
static MyValue a ( "key" );
//给个初始化的数。
a.initializer();
a.setString ( "This is a test value" );
a.packer();
pline() << "初始化:" << a.getString();
}
MainWindow::~MainWindow()
{
delete ui;
}
void MainWindow::on_pushButton_clicked()
{
MyValue b ( "key" );
b.initializer();
//读取里面的数值,读出来。
b.parser();
//...干点什么
pline() << "b 读取:" << b.getString();
//给个新的值,设进去。
b.setString ( "This is b value written by b." );
b.packer();
//...干点什么
pline() << "b 写入:" << b.getString();
}
void MainWindow::on_pushButton_2_clicked()
{
MyValue a ( "key" );
a.initializer();
//读取里面的数值,读出来。
a.parser();
//...干点什么
pline() << "a 读取:" << a.getString();
//给个新的值,设进去。
a.setString ( "This is a value written by a." );
a.packer();
//...干点什么
pline() << "a 写入:" << a.getString();
}