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add vector
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leichaojian committed Nov 18, 2014
1 parent 5606201 commit 925abd5
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31 changes: 31 additions & 0 deletions vector/main.cpp
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#include <QCoreApplication>
#include <QVector>
#include <QDebug>

int main(int argc, char *argv[])
{
QCoreApplication a(argc, argv);

QVector<double> vect;

//通过[]操作符--知道大小情况下
vect.resize(3);
vect[0] = 1.0;
vect[1] = 2.0;
vect[2] = 3.0;

//通过append--不知道大小情况下
vect.append(4.0);
vect.append(5.0);
vect.append(6.0);

//通过<<操作符
vect << 7.0 << 8.0 << 9.0;

for (int i = 0; i < vect.size(); ++i) {
qDebug() << vect[i];
}


return a.exec();
}
18 changes: 18 additions & 0 deletions vector/vector.pro
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#-------------------------------------------------
#
# Project created by QtCreator 2014-11-18T19:10:51
#
#-------------------------------------------------

QT += core

QT -= gui

TARGET = vector
CONFIG += console
CONFIG -= app_bundle

TEMPLATE = app


SOURCES += main.cpp
255 changes: 255 additions & 0 deletions vector/vector.pro.user
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