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#include <QCoreApplication> | ||
#include <QVector> | ||
#include <QDebug> | ||
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int main(int argc, char *argv[]) | ||
{ | ||
QCoreApplication a(argc, argv); | ||
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QVector<double> vect; | ||
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//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; | ||
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//通过append--不知道大小情况下 | ||
vect.append(4.0); | ||
vect.append(5.0); | ||
vect.append(6.0); | ||
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//通过<<操作符 | ||
vect << 7.0 << 8.0 << 9.0; | ||
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for (int i = 0; i < vect.size(); ++i) { | ||
qDebug() << vect[i]; | ||
} | ||
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return a.exec(); | ||
} |
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#------------------------------------------------- | ||
# | ||
# Project created by QtCreator 2014-11-18T19:10:51 | ||
# | ||
#------------------------------------------------- | ||
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QT += core | ||
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QT -= gui | ||
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TARGET = vector | ||
CONFIG += console | ||
CONFIG -= app_bundle | ||
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TEMPLATE = app | ||
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SOURCES += main.cpp |
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<?xml version="1.0" encoding="UTF-8"?> | ||
<!DOCTYPE QtCreatorProject> | ||
<!-- Written by QtCreator 3.2.1, 2014-11-18T19:17:36. --> | ||
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