Qt官方示例-QML扩展方法

❝该示例在BirthdayParty类中有一个附加方法：invite()。invite()用Q_INVOKABLE声明，以便可以从QML调用它。❞

代码语言：javascript复制

class BirthdayParty : public QObject
{
    ...
    Q_INVOKABLE void invite(const QString &name);
    ...
}

qmlRegisterType<BirthdayParty>("People", 1,0, "BirthdayParty");

  在下列QML代码中，该invite()方法在Component.onCompleted信号处理程序中调用：

代码语言：javascript复制

import QtQuick 2.0
import People 1.0

BirthdayParty {
    host: Person {
        name: "Bob Jones"
        shoeSize: 12
    }
    guests: [
        Person { name: "Leo Hodges" },
        Person { name: "Jack Smith" },
        Person { name: "Anne Brown" }
    ]

    Component.onCompleted: invite("William Green")
}

qml

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