QDnsMailExchangeRecord Class
QDnsMailExchangeRecord 类存储有关 DNS MX 记录的信息。更多
| 头文件： | #include <QDnsMailExchangeRecord> |
| CMake： | find_package(Qt6 REQUIRED COMPONENTS Network)target_link_libraries(mytarget PRIVATE Qt6::Network) |
| qmake： | QT += network |
- 所有成员（包括继承成员）的列表
- QDnsMailExchangeRecord 属于网络编程 API和隐式共享类。
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) |
另请参阅 QDnsLookup 。
成员函数文档
QDnsMailExchangeRecord::QDnsMailExchangeRecord()
构造一个空的邮件交换记录对象。
QDnsMailExchangeRecord::QDnsMailExchangeRecord(const QDnsMailExchangeRecord &other)
构造other 的副本。
[noexcept] QDnsMailExchangeRecord::~QDnsMailExchangeRecord()
销毁邮件交换记录。
QString QDnsMailExchangeRecord::exchange() const
返回此记录的邮件交换中心域名。
QString QDnsMailExchangeRecord::name() const
返回此记录的名称。
quint16 QDnsMailExchangeRecord::preference() const
返回此记录的首选项。
[noexcept] void QDnsMailExchangeRecord::swap(QDnsMailExchangeRecord &other)
将此邮件交换记录与other 互换。该操作速度非常快，从未出现过故障。
quint32 QDnsMailExchangeRecord::timeToLive() const
返回该记录的有效期（以秒为单位）。
QDnsMailExchangeRecord &QDnsMailExchangeRecord::operator=(const QDnsMailExchangeRecord &other)
将other 对象的数据赋值给此记录对象，并返回一个引用。
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