![\"\"](\"http:\/\/blog-1252406596.costj.myqcloud.com\/photo\/c.png\")
<\/p>\n<\/p>\n
```c++
\n#include "iostream"
\n#include <stdio.h>
\n#include <conio.h>
\n#include <windows.h>
\nusing namespace std;
\nconst int KB_DIV = 1024;
\nconst int MB_DIV = 1024 * 1024;
\nclass CCPUUseRate<br \/>
\n{<br \/>
\npublic:<br \/>
\n BOOL Initialize()<br \/>
\n {<br \/>
\n FILETIME ftIdle, ftKernel, ftUser;<br \/>
\n BOOL flag = FALSE;<br \/>
\n if (flag = GetSystemTimes(&ftIdle, &ftKernel, &ftUser))<br \/>
\n {<br \/>
\n m_fOldCPUIdleTime = FileTimeToDouble(ftIdle);<br \/>
\n m_fOldCPUKernelTime = FileTimeToDouble(ftKernel);<br \/>
\n m_fOldCPUUserTime = FileTimeToDouble(ftUser);<\/p>\n
<pre><code> }
\n return flag;
\n}
\n\/\/\u8c03\u7528Initialize\u540e\u8981\u7b49\u5f851\u79d2\u518d\u8c03\u7528\u6b64\u51fd\u6570
\nint GetCPUUseRate()
\n{
\n int nCPUUseRate = -1;
\n FILETIME ftIdle, ftKernel, ftUser;
\n if (GetSystemTimes(&ftIdle, &ftKernel, &ftUser))
\n {
\n double fCPUIdleTime = FileTimeToDouble(ftIdle);
\n double fCPUKernelTime = FileTimeToDouble(ftKernel);
\n double fCPUUserTime = FileTimeToDouble(ftUser);
\n nCPUUseRate= (int)(100.0 - (fCPUIdleTime - m_fOldCPUIdleTime)
\n \/ (fCPUKernelTime - m_fOldCPUKernelTime + fCPUUserTime - m_fOldCPUUserTime)
\n *100.0);
\n m_fOldCPUIdleTime = fCPUIdleTime;
\n m_fOldCPUKernelTime = fCPUKernelTime;
\n m_fOldCPUUserTime = fCPUUserTime;
\n }
\n return nCPUUseRate;
\n}
\n<\/code><\/pre><\/p>\n
private:<br \/>
\n double FileTimeToDouble(FILETIME &filetime)<br \/>
\n {<br \/>
\n return (double)(filetime.dwHighDateTime * 4.294967296E9) + (double)filetime.dwLowDateTime;<br \/>
\n }<br \/>
\nprivate:<br \/>
\n double m_fOldCPUIdleTime;<br \/>
\n double m_fOldCPUKernelTime;<br \/>
\n double m_fOldCPUUserTime;<br \/>
\n};<br \/>
\nint main(){
\n MEMORYSTATUS memStatus;
\n GlobalMemoryStatus(&memStatus);
\n cout<<"**************\u7cfb\u7edf\u8d44\u6e90\u663e\u793a**************"<<endl<<endl;<\/p>\n
<pre><code> printf("*******\u5f53\u524d\u5185\u5b58\u4f7f\u7528\u7387\uff1a%d%%\\n",memStatus.dwMemoryLoad);
\nprintf("*******\u5f53\u524d\u53ef\u7528\u7269\u7406\u5185\u5b58\uff1a%dKB(%dMB)\\n",memStatus.dwAvailPhys \/ KB_DIV,memStatus.dwAvailPhys \/ MB_DIV);
\nCCPUUseRate cpuUseRate;
\nif (!cpuUseRate.Initialize())
\n{
\n printf("Error! %d\\n", GetLastError());
\n getch();
\n return -1;
\n}
\nelse
\n{
\n while (true)
\n {
\n Sleep(1000);
\n printf("\\r\u5f53\u524dCPU\u4f7f\u7528\u7387\u4e3a\uff1a%4d%%", cpuUseRate.GetCPUUseRate());
\n }
\n} <\/p>\n
while(true){
\n Sleep(1000);<\/p>\n
}
\nint a;cin>>a;
\nreturn 0;
\n<\/code><\/pre><\/p>\n
}
\n```<\/p>\n","protected":false},"excerpt":{"rendered":"
\u5206\u4eab\u4e00\u6bb5c++\u8c03\u7528windows.h\uff0c\u663e\u793a\u5f53\u524d\u7cfb\u7edf\u5185\u5b58\u4f7f\u7528\u7387\uff0c\u5269\u4f59\u5185\u5b58\uff0c\u52a8\u6001\u663e\u793acpu\u4f7f\u7528\u7387\u7684\u4ee3\u7801\uff0c\u5728c++\u7f16\u2026 Read More »<\/a><\/span><\/p>\n","protected":false},"author":1,"featured_media":448,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"aside","meta":{"footnotes":""},"categories":[29],"tags":[39],"class_list":["post-447","post","type-post","status-publish","format-aside","has-post-thumbnail","hentry","category-cplus","tag-cplus","post_format-post-format-aside"],"_links":{"self":[{"href":"http:\/\/rain1024.com\/index.php\/wp-json\/wp\/v2\/posts\/447","targetHints":{"allow":["GET"]}}],"collection":[{"href":"http:\/\/rain1024.com\/index.php\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"http:\/\/rain1024.com\/index.php\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"http:\/\/rain1024.com\/index.php\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"http:\/\/rain1024.com\/index.php\/wp-json\/wp\/v2\/comments?post=447"}],"version-history":[{"count":1,"href":"http:\/\/rain1024.com\/index.php\/wp-json\/wp\/v2\/posts\/447\/revisions"}],"predecessor-version":[{"id":1507,"href":"http:\/\/rain1024.com\/index.php\/wp-json\/wp\/v2\/posts\/447\/revisions\/1507"}],"wp:featuredmedia":[{"embeddable":true,"href":"http:\/\/rain1024.com\/index.php\/wp-json\/wp\/v2\/media\/448"}],"wp:attachment":[{"href":"http:\/\/rain1024.com\/index.php\/wp-json\/wp\/v2\/media?parent=447"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"http:\/\/rain1024.com\/index.php\/wp-json\/wp\/v2\/categories?post=447"},{"taxonomy":"post_tag","embeddable":true,"href":"http:\/\/rain1024.com\/index.php\/wp-json\/wp\/v2\/tags?post=447"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}