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Qt获取本机IP、主机名及当前时间
阿紫
posted @ 2012年7月25日 18:28
in Qt
, 9786 阅读
获取本机ip：
QString m_ip; QHostInfo host = QHostInfo::fromName(QHostInfo::localHostName()); foreach (QHostAddress address, host.addresses()); m_ip = address.toString();
获取主机名：
#pragma comment(lib,"ws2_32.lib")//相当于把ws2_32.lib这个库加入到了工程文件中，同setting中加入库效果一样
//获取计算机名
WSAData data;
if(WSAStartup(MAKEWORD(1,1),&data)!=0)
{
cout<<"初始化错误,无法获取主机信息..."<<endl ;
}
wchar_t chBuffer[20];
DWORD dwSize=20;
if(!GetComputerName(chBuffer,&dwSize))
{
QMessageBox::warning(0,QObject::tr("error"), QObject::tr("get computername error!"),QMessageBox::Ok);
}
strName=QString::fromWCharArray(chBuffer);
获取当前时间：
#include<QDateTime>
void mainwindow::gettime()
{
QDateTime dateTime = QDateTime::currentDateTime();
int y=dateTime.date().year();
int m=dateTime.date().month();
int d=dateTime.date().day();
QString strTime=dateTime.time().toString();
stime=(strTime+" "+QString::number(y)+"/"+QString::number(m)+"/"+QString::number(d));
}
滚动条保持在最底端：
recEdit->moveCursor(QTextCursor::End,QTextCursor::KeepAnchor); recEdit->verticalScrollBar()->setValue(recEdit->verticalScrollBar()->maximumHeight());
- 无匹配
2012年7月25日 21:55
第二段代码用的是 Win32 API，可不是 Qt，也不跨平台哦。
2012年7月25日 22:20
嗯，这个确实，只是整理了下以前写的东西，以前也只是用在win下，也没考虑那么多
2012年9月17日 12:46
那个获取当前时间的完全可以使用一行代码搞定！
QDateTime::currentDateTime().toString("hh-mm-ss yyyy/MM/dd");
2012年9月17日 13:30
获取主机名称也是一行代码：
QHostInfo::localHostName();
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