QDnsMailExchangeRecord 类

QDnsMailExchangeRecord 类存储有关 DNS MX 记录的信息。 更多...

头：	#include <QDnsMailExchangeRecord>
CMake:	find_package(Qt6 REQUIRED COMPONENTS Network) target_link_libraries(mytarget PRIVATE Qt6::Network)
qmake:	QT += network

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• QDnsMailExchangeRecord is part of 网络编程 API and 隐式共享类 .

公共函数

	QDnsMailExchangeRecord ()
	QDnsMailExchangeRecord (const QDnsMailExchangeRecord & other )
	~QDnsMailExchangeRecord ()
QString	exchange () const
QString	name () const
quint16	preference () const
void	swap (QDnsMailExchangeRecord & other )
quint32	timeToLive () const
QDnsMailExchangeRecord &	operator= (const QDnsMailExchangeRecord & other )

详细描述

When performing a lookup on a service, zero or more records will be returned. Each record is represented by a QDnsMailExchangeRecord instance.

字段含义的定义在 RFC 1035 .

另请参阅 QDnsLookup .

成员函数文档编制

QDnsMailExchangeRecord:: QDnsMailExchangeRecord ()

构造空邮件交换记录对象。

QDnsMailExchangeRecord:: QDnsMailExchangeRecord (const QDnsMailExchangeRecord & other )

构造副本为 other .

QDnsMailExchangeRecord:: ~QDnsMailExchangeRecord ()

销毁邮件交换记录。

QString QDnsMailExchangeRecord:: exchange () const

Returns the domain name of the mail exchange for this record.

QString QDnsMailExchangeRecord:: name () const

返回此记录的名称。

quint16 QDnsMailExchangeRecord:: preference () const

Returns the preference for this record.

void QDnsMailExchangeRecord:: swap ( QDnsMailExchangeRecord & other )

Swaps this mail exchange record with other 。此函数非常快且从不失败。

quint32 QDnsMailExchangeRecord:: timeToLive () const

返回此记录有效的持续时间 (以秒为单位)。

QDnsMailExchangeRecord &QDnsMailExchangeRecord:: operator= (const QDnsMailExchangeRecord & other )

赋值数据源于 other 对象到此记录对象，并返回它的引用。

内容

• 公共函数

• 详细描述