base class ‘class QObject‘ should be explicitly initialized in the copy constructor

非典型代码

于 2024-10-16 14:35:48 发布

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本文链接：https://blog.youkuaiyun.com/qq_38812514/article/details/142981431

版权

一个类继承自 QObject ，在重写拷贝构造时提示这样一个警告。

BaseModel(const BaseModel& t1)
{
    int propertyCount = t1.metaObject()->propertyCount();
    for(int i = 1 ; i < propertyCount ; i++)
    {
        QMetaProperty prop = t1.metaObject()->property(i);
        this->setProperty(prop.name(),t1.property(prop.name()));
    }

}

改为
BaseModel(const BaseModel& t1) :QObject( nullptr )
{
int propertyCount = t1.metaObject()->propertyCount();
for(int i = 1 ; i < propertyCount ; i++)
{
QMetaProperty prop = t1.metaObject()->property(i);
this->setProperty(prop.name(),t1.property(prop.name()));
}