新增CPU内存控件
feiyangqingyun
parent
ac18f3530a
commit
5e1abd6353
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@ -38,6 +38,7 @@
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| control | 控件相关 | saveruntime | **运行时间记录** |
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| control | 控件相关 | smoothcurve | 平滑曲线 |
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| control | 控件相关 | zhtopy | 汉字转拼音 |
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| control | 控件相关 | cpumemorylabel | CPU内存控件 |
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| tool | 工具相关 | comtool | **串口调试助手** |
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| tool | 工具相关 | nettool | **网络调试助手** |
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| tool | 工具相关 | netserver | **网络中转服务器** |
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@ -114,6 +115,8 @@
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- 汉字转拼音-zhtopy
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- CPU内存控件-cpumemorylabel
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### 3.2 工具相关-tool
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- 串口调试助手-comtool
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Binary file not shown.
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After Width: | Height: | Size: 27 KiB |
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@ -10,3 +10,4 @@ SUBDIRS += savelog
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SUBDIRS += saveruntime
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SUBDIRS += smoothcurve
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SUBDIRS += zhtopy
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SUBDIRS += cpumemorylabel
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@ -0,0 +1,239 @@
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#pragma execution_character_set("utf-8")
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#include "cpumemorylabel.h"
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#include "qtimer.h"
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#include "qprocess.h"
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#include "qdebug.h"
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#ifdef Q_OS_WIN
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#ifndef _WIN32_WINNT
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#define _WIN32_WINNT 0x502
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#endif
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#include "windows.h"
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#endif
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#define MB (1024 * 1024)
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#define KB (1024)
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CpuMemoryLabel::CpuMemoryLabel(QWidget *parent) : QLabel(parent)
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{
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totalNew = idleNew = totalOld = idleOld = 0;
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cpuPercent = 0;
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memoryPercent = 0;
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memoryAll = 0;
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memoryUse = 0;
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//获取CPU占用情况定时器
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timerCPU = new QTimer(this);
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connect(timerCPU, SIGNAL(timeout()), this, SLOT(getCPU()));
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//获取内存占用情况定时器
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timerMemory = new QTimer(this);
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connect(timerMemory, SIGNAL(timeout()), this, SLOT(getMemory()));
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//执行命令获取
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process = new QProcess(this);
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connect(process, SIGNAL(readyRead()), this, SLOT(readData()));
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showText = true;
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}
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CpuMemoryLabel::~CpuMemoryLabel()
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{
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this->stop();
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}
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void CpuMemoryLabel::start(int interval)
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{
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this->getCPU();
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this->getMemory();
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if (!timerCPU->isActive()) {
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timerCPU->start(interval);
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}
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if (!timerMemory->isActive()) {
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timerMemory->start(interval + 1000);
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}
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}
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void CpuMemoryLabel::stop()
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{
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process->close();
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if (timerCPU->isActive()) {
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timerCPU->stop();
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}
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if (timerMemory->isActive()) {
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timerMemory->stop();
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}
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}
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void CpuMemoryLabel::getCPU()
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{
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#ifdef Q_OS_WIN
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#if 0
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static FILETIME lastIdleTime;
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static FILETIME lastKernelTime;
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static FILETIME lastUserTime;
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FILETIME newIdleTime;
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FILETIME newKernelTime;
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FILETIME newUserTime;
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//采用GetSystemTimes获取的CPU占用和任务管理器的不一致
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GetSystemTimes(&newIdleTime, &newKernelTime, &newUserTime);
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int offset = 31;
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quint64 a, b;
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quint64 idle, kernel, user;
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a = (lastIdleTime.dwHighDateTime << offset) | lastIdleTime.dwLowDateTime;
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b = (newIdleTime.dwHighDateTime << offset) | newIdleTime.dwLowDateTime;
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idle = b - a;
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a = (lastKernelTime.dwHighDateTime << offset) | lastKernelTime.dwLowDateTime;
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b = (newKernelTime.dwHighDateTime << offset) | newKernelTime.dwLowDateTime;
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kernel = b - a;
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a = (lastUserTime.dwHighDateTime << offset) | lastUserTime.dwLowDateTime;
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b = (newUserTime.dwHighDateTime << offset) | newUserTime.dwLowDateTime;
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user = b - a;
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cpuPercent = float(kernel + user - idle) * 100 / float(kernel + user);
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lastIdleTime = newIdleTime;
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lastKernelTime = newKernelTime;
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lastUserTime = newUserTime;
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this->setData();
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#else
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//获取系统版本区分win10
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bool win10 = false;
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#if (QT_VERSION >= QT_VERSION_CHECK(5,4,0))
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win10 = (QSysInfo::productVersion().mid(0, 2).toInt() >= 10);
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#else
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win10 = (QSysInfo::WindowsVersion >= 192);
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#endif
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QString cmd = "\\Processor(_Total)\\% Processor Time";
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if (win10) {
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cmd = "\\Processor Information(_Total)\\% Processor Utility";
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}
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if (process->state() == QProcess::NotRunning) {
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process->start("typeperf", QStringList() << cmd);
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}
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#endif
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#elif defined(Q_OS_UNIX) && !defined(Q_OS_WASM)
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if (process->state() == QProcess::NotRunning) {
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totalNew = idleNew = 0;
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process->start("cat", QStringList() << "/proc/stat");
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}
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#endif
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}
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void CpuMemoryLabel::getMemory()
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{
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#ifdef Q_OS_WIN
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MEMORYSTATUSEX statex;
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statex.dwLength = sizeof(statex);
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GlobalMemoryStatusEx(&statex);
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memoryPercent = statex.dwMemoryLoad;
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memoryAll = statex.ullTotalPhys / MB;
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memoryFree = statex.ullAvailPhys / MB;
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memoryUse = memoryAll - memoryFree;
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this->setData();
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#elif defined(Q_OS_UNIX) && !defined(Q_OS_WASM)
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if (process->state() == QProcess::NotRunning) {
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process->start("cat", QStringList() << "/proc/meminfo");
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}
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#endif
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}
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void CpuMemoryLabel::readData()
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{
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#ifdef Q_OS_WIN
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while (!process->atEnd()) {
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QString s = QLatin1String(process->readLine());
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s = s.split(",").last();
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s.replace("\r", "");
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s.replace("\n", "");
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s.replace("\"", "");
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if (!s.isEmpty() && s.length() < 10) {
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cpuPercent = qRound(s.toFloat());
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}
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}
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#elif defined(Q_OS_UNIX) && !defined(Q_OS_WASM)
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while (!process->atEnd()) {
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QString s = QLatin1String(process->readLine());
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if (s.startsWith("cpu")) {
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QStringList list = s.split(" ");
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idleNew = list.at(5).toUInt();
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foreach (QString value, list) {
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totalNew += value.toUInt();
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}
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quint64 total = totalNew - totalOld;
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quint64 idle = idleNew - idleOld;
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cpuPercent = 100 * (total - idle) / total;
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totalOld = totalNew;
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idleOld = idleNew;
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break;
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} else if (s.startsWith("MemTotal")) {
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s.replace(" ", "");
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s = s.split(":").at(1);
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memoryAll = s.left(s.length() - 3).toUInt() / KB;
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} else if (s.startsWith("MemFree")) {
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s.replace(" ", "");
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s = s.split(":").at(1);
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memoryFree = s.left(s.length() - 3).toUInt() / KB;
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} else if (s.startsWith("Buffers")) {
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s.replace(" ", "");
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s = s.split(":").at(1);
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memoryFree += s.left(s.length() - 3).toUInt() / KB;
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} else if (s.startsWith("Cached")) {
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s.replace(" ", "");
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s = s.split(":").at(1);
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memoryFree += s.left(s.length() - 3).toUInt() / KB;
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memoryUse = memoryAll - memoryFree;
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memoryPercent = 100 * memoryUse / memoryAll;
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break;
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}
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}
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#endif
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this->setData();
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}
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void CpuMemoryLabel::setData()
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{
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cpuPercent = (cpuPercent < 0 ? 0 : cpuPercent);
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cpuPercent = (cpuPercent > 100 ? 0 : cpuPercent);
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QString msg = QString("CPU %1% Mem %2% ( 已用 %3 MB / 共 %4 MB )").arg(cpuPercent).arg(memoryPercent).arg(memoryUse).arg(memoryAll);
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if (showText) {
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this->setText(msg);
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}
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emit textChanged(msg);
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emit valueChanged(cpuPercent, memoryPercent, memoryAll, memoryUse, memoryFree);
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}
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QSize CpuMemoryLabel::sizeHint() const
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{
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return QSize(300, 30);
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}
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QSize CpuMemoryLabel::minimumSizeHint() const
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{
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return QSize(30, 10);
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}
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bool CpuMemoryLabel::getShowText() const
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{
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return this->showText;
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}
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void CpuMemoryLabel::setShowText(bool showText)
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{
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this->showText = showText;
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}
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@ -0,0 +1,75 @@
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#ifndef CPUMEMORYLABEL_H
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#define CPUMEMORYLABEL_H
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/**
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* CPU内存显示控件 作者:feiyangqingyun(QQ:517216493) 2016-11-18
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* 1. 实时显示当前CPU占用率。
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* 2. 实时显示内存使用情况。
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* 3. 包括共多少内存、已使用多少内存。
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* 4. 全平台通用，包括windows、linux、ARM。
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* 5. 发出信号通知占用率和内存使用情况等，以便自行显示到其他地方。
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*/
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#include <QLabel>
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class QProcess;
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#ifdef quc
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class Q_DECL_EXPORT CpuMemoryLabel : public QLabel
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#else
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class CpuMemoryLabel : public QLabel
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#endif
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{
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Q_OBJECT
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Q_PROPERTY(bool showText READ getShowText WRITE setShowText)
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public:
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explicit CpuMemoryLabel(QWidget *parent = 0);
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~CpuMemoryLabel();
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private:
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quint64 totalNew, idleNew, totalOld, idleOld;
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quint64 cpuPercent; //CPU百分比
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quint64 memoryPercent; //内存百分比
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quint64 memoryAll; //所有内存
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quint64 memoryUse; //已用内存
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quint64 memoryFree; //空闲内存
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QTimer *timerCPU; //定时器获取CPU信息
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QTimer *timerMemory; //定时器获取内存信息
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QProcess *process; //执行命令行
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bool showText; //自己显示值
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private slots:
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void getCPU(); //获取cpu
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void getMemory(); //获取内存
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void readData(); //读取数据
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void setData(); //设置数据
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public:
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//默认尺寸和最小尺寸
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QSize sizeHint() const;
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QSize minimumSizeHint() const;
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//获取和设置是否显示文本
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bool getShowText() const;
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void setShowText(bool showText);
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public Q_SLOTS:
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//开始启动服务
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void start(int interval);
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//停止服务
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void stop();
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Q_SIGNALS:
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//文本改变信号
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void textChanged(const QString &text);
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//cpu和内存占用情况数值改变信号
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void valueChanged(quint64 cpuPercent, quint64 memoryPercent, quint64 memoryAll, quint64 memoryUse, quint64 memoryFree);
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};
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#endif // CPUMEMORYLABEL_H
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@ -0,0 +1,17 @@
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QT += core gui
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greaterThan(QT_MAJOR_VERSION, 4): QT += widgets
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greaterThan(QT_MAJOR_VERSION, 5): QT += core5compat
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TARGET = cpumemorylabel
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TEMPLATE = app
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DESTDIR = $$PWD/../bin
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CONFIG += warn_off
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SOURCES += main.cpp
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SOURCES += frmcpumemorylabel.cpp
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SOURCES += cpumemorylabel.cpp
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HEADERS += frmcpumemorylabel.h
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HEADERS += cpumemorylabel.h
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FORMS += frmcpumemorylabel.ui
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@ -0,0 +1,42 @@
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#pragma execution_character_set("utf-8")
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#include "frmcpumemorylabel.h"
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#include "ui_frmcpumemorylabel.h"
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frmCpuMemoryLabel::frmCpuMemoryLabel(QWidget *parent) : QWidget(parent), ui(new Ui::frmCpuMemoryLabel)
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{
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ui->setupUi(this);
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this->initForm();
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}
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frmCpuMemoryLabel::~frmCpuMemoryLabel()
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{
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delete ui;
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}
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void frmCpuMemoryLabel::initForm()
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{
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QFont font;
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font.setPixelSize(16);
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setFont(font);
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QString qss1 = QString("QLabel{background-color:rgb(0,0,0);color:rgb(%1);}").arg("100,184,255");
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QString qss2 = QString("QLabel{background-color:rgb(0,0,0);color:rgb(%1);}").arg("255,107,107");
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QString qss3 = QString("QLabel{background-color:rgb(0,0,0);color:rgb(%1);}").arg("24,189,155");
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ui->label1->setStyleSheet(qss1);
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ui->label2->setStyleSheet(qss2);
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ui->label3->setStyleSheet(qss3);
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connect(ui->label1, SIGNAL(textChanged(QString)), ui->label2, SLOT(setText(QString)));
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connect(ui->label1, SIGNAL(valueChanged(quint64, quint64, quint64, quint64, quint64)),
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this, SLOT(valueChanged(quint64, quint64, quint64, quint64, quint64)));
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ui->label1->start(1000);
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}
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void frmCpuMemoryLabel::valueChanged(quint64 cpuPercent, quint64 memoryPercent, quint64 memoryAll, quint64 memoryUse, quint64 memoryFree)
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{
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//重新组织文字
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QString msg = QString("CPU: %1% 内存: %2% ( %3 MB / %4 MB )").arg(cpuPercent).arg(memoryPercent).arg(memoryUse).arg(memoryAll);
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ui->label3->setText(msg);
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}
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@ -0,0 +1,27 @@
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#ifndef FRMCPUMEMORYLABEL_H
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#define FRMCPUMEMORYLABEL_H
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#include <QWidget>
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namespace Ui {
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class frmCpuMemoryLabel;
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}
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class frmCpuMemoryLabel : public QWidget
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{
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Q_OBJECT
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public:
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explicit frmCpuMemoryLabel(QWidget *parent = 0);
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~frmCpuMemoryLabel();
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private:
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Ui::frmCpuMemoryLabel *ui;
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private slots:
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void initForm();
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//cpu和内存占用情况数值改变信号
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void valueChanged(quint64 cpuPercent, quint64 memoryPercent, quint64 memoryAll, quint64 memoryUse, quint64 memoryFree);
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};
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#endif // FRMCPUMEMORYLABEL_H
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@ -0,0 +1,73 @@
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<?xml version="1.0" encoding="UTF-8"?>
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<ui version="4.0">
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<class>frmCpuMemoryLabel</class>
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<widget class="QWidget" name="frmCpuMemoryLabel">
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<property name="geometry">
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<rect>
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<x>0</x>
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<y>0</y>
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<width>800</width>
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<height>600</height>
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</rect>
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</property>
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<property name="windowTitle">
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<string>Form</string>
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</property>
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<layout class="QVBoxLayout" name="verticalLayout">
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<property name="spacing">
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<number>6</number>
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</property>
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<property name="leftMargin">
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<number>6</number>
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</property>
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<property name="topMargin">
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<number>6</number>
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</property>
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<property name="rightMargin">
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<number>6</number>
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</property>
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<property name="bottomMargin">
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<number>6</number>
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</property>
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<item>
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<widget class="CpuMemoryLabel" name="label1">
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<property name="text">
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<string/>
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</property>
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<property name="alignment">
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<set>Qt::AlignCenter</set>
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</property>
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</widget>
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</item>
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<item>
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<widget class="QLabel" name="label2">
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<property name="text">
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<string/>
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</property>
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<property name="alignment">
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<set>Qt::AlignCenter</set>
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</property>
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</widget>
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</item>
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<item>
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<widget class="QLabel" name="label3">
|
||||
<property name="text">
|
||||
<string/>
|
||||
</property>
|
||||
<property name="alignment">
|
||||
<set>Qt::AlignCenter</set>
|
||||
</property>
|
||||
</widget>
|
||||
</item>
|
||||
</layout>
|
||||
</widget>
|
||||
<customwidgets>
|
||||
<customwidget>
|
||||
<class>CpuMemoryLabel</class>
|
||||
<extends>QLabel</extends>
|
||||
<header>cpumemorylabel.h</header>
|
||||
</customwidget>
|
||||
</customwidgets>
|
||||
<resources/>
|
||||
<connections/>
|
||||
</ui>
|
||||
|
|
@ -0,0 +1,34 @@
|
|||
#pragma execution_character_set("utf-8")
|
||||
|
||||
#include "frmcpumemorylabel.h"
|
||||
#include <QApplication>
|
||||
#include <QTextCodec>
|
||||
|
||||
int main(int argc, char *argv[])
|
||||
{
|
||||
QApplication a(argc, argv);
|
||||
QFont font;
|
||||
font.setFamily("Microsoft Yahei");
|
||||
font.setPixelSize(13);
|
||||
a.setFont(font);
|
||||
|
||||
#if (QT_VERSION < QT_VERSION_CHECK(5,0,0))
|
||||
#if _MSC_VER
|
||||
QTextCodec *codec = QTextCodec::codecForName("gbk");
|
||||
#else
|
||||
QTextCodec *codec = QTextCodec::codecForName("utf-8");
|
||||
#endif
|
||||
QTextCodec::setCodecForLocale(codec);
|
||||
QTextCodec::setCodecForCStrings(codec);
|
||||
QTextCodec::setCodecForTr(codec);
|
||||
#else
|
||||
QTextCodec *codec = QTextCodec::codecForName("utf-8");
|
||||
QTextCodec::setCodecForLocale(codec);
|
||||
#endif
|
||||
|
||||
frmCpuMemoryLabel w;
|
||||
w.setWindowTitle("CPU内存显示控件 (QQ: 517216493 WX: feiyangqingyun)");
|
||||
w.show();
|
||||
|
||||
return a.exec();
|
||||
}
|
||||
Loading…
Reference in New Issue