{"id":11439,"date":"2024-01-17T10:44:34","date_gmt":"2024-01-17T02:44:34","guid":{"rendered":"http:\/\/xinyiworld.top\/wordpress_it\/?p=11439"},"modified":"2024-03-26T17:04:18","modified_gmt":"2024-03-26T09:04:18","slug":"qapplication","status":"publish","type":"post","link":"http:\/\/xinyiworld.top\/wordpress_it\/?p=11439","title":{"rendered":"QApplication"},"content":{"rendered":"<p><a href=\"https:\/\/blog.csdn.net\/u012803067\/article\/details\/68485878\">https:\/\/blog.csdn.net\/u012803067\/article\/details\/68485878<\/a><\/p>\n<ul>\n<li>\u5728QT\u7684\u4efb\u610f\u754c\u9762\u83b7\u53d6QApplication\u5b9e\u4f8b<br \/>\n<a href=\"https:\/\/blog.csdn.net\/csdnlg112\/article\/details\/125665451\">https:\/\/blog.csdn.net\/csdnlg112\/article\/details\/125665451<\/a><\/li>\n<\/ul>\n<pre><code class=\"language-bash\">\u5728\u8c03\u7528\u7684\u5730\u65b9\u6dfb\u52a0qapplication.h \u5934\u6587\u4ef6\n\n\u5728\u8fd9\u4e2a\u6587\u4ef6\u4e2d\u6709\u5982\u4e0b\u5b8f\uff0c\u4f7f\u7528\u8fd9\u4e2a\u5b8f\u5c31\u53ef\u4ee5\u83b7\u53d6\u5230QApplication\u5b9e\u4f8bqApp\n\n #define qApp (static_cast&lt;QApplication *&gt;(QCoreApplication::instance()))\n\u4f8b\u5982\u5728\u67d0\u4e2a\u754c\u9762\u70b9\u51fb\u5173\u95ed\u6309\u94ae\uff0c\u9000\u51fa\u6574\u4e2a\u7a0b\u5e8f\u3002\n\n qApp-&gt;quit();\n<\/code><\/pre>\n<ul>\n<li>\u73af\u5883\u76f8\u5173\u7684api<\/li>\n<\/ul>\n<pre><code class=\"language-cpp\">    qDebug()&lt;&lt;&quot;\u53ef\u6267\u884c\u6587\u4ef6\u6240\u5728\u76ee\u5f55:&quot;&lt;&lt;QCoreApplication::applicationDirPath();\n\n    qDebug()&lt;&lt;&quot;\u53ef\u6267\u884c\u6587\u4ef6\u7edd\u5bf9\u8def\u5f84:&quot;&lt;&lt;QCoreApplication::applicationFilePath();\n\n    qDebug()&lt;&lt;&quot;\u53ef\u6267\u884c\u6587\u4ef6\u540d:&quot;&lt;&lt;QCoreApplication::applicationName();\n\n    qDebug()&lt;&lt;&quot;\u5f53\u524d\u7a0b\u5e8f\u8fd0\u884c\u76ee\u5f55:&quot;&lt;&lt;QDir::currentPath();<\/code><\/pre>\n<ul>\n<li>\u6740\u6b7b\u5f53\u524d\u8fdb\u7a0b<\/li>\n<\/ul>\n<pre><code class=\"language-bash\">\n#include &lt;QCoreApplication&gt;\n\nvoid QtWinApi::KillProcess()\n{\n    qint64 pid = QCoreApplication::applicationPid();\/\/\u83b7\u53d6\u5f53\u524d\u8fdb\u7a0b\u7684PID\n\n    QString cmd = QString(&quot;kill -9 %1&quot;).arg(pid);\/\/Linux \u7cfb\u7edf\u4e0b\uff0c\u5f3a\u5236\u6740\u6b7b\u5f53\u524d\u8fdb\u7a0b\u547d\u4ee4\n\n  system(cmd.toLocal8Bit().data());\n}\n<\/code><\/pre>\n<button class=\"simplefavorite-button\" data-postid=\"11439\" data-siteid=\"1\" data-groupid=\"1\" data-favoritecount=\"0\" style=\"\">\u6536\u85cf <i class=\"sf-icon-star-empty\"><\/i><\/button>","protected":false},"excerpt":{"rendered":"<p>https:\/\/blog.csdn.net\/u012803067\/article\/details\/6 [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":[],"categories":[890],"tags":[],"_links":{"self":[{"href":"http:\/\/xinyiworld.top\/wordpress_it\/index.php?rest_route=\/wp\/v2\/posts\/11439"}],"collection":[{"href":"http:\/\/xinyiworld.top\/wordpress_it\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"http:\/\/xinyiworld.top\/wordpress_it\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"http:\/\/xinyiworld.top\/wordpress_it\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"http:\/\/xinyiworld.top\/wordpress_it\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=11439"}],"version-history":[{"count":4,"href":"http:\/\/xinyiworld.top\/wordpress_it\/index.php?rest_route=\/wp\/v2\/posts\/11439\/revisions"}],"predecessor-version":[{"id":12643,"href":"http:\/\/xinyiworld.top\/wordpress_it\/index.php?rest_route=\/wp\/v2\/posts\/11439\/revisions\/12643"}],"wp:attachment":[{"href":"http:\/\/xinyiworld.top\/wordpress_it\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=11439"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"http:\/\/xinyiworld.top\/wordpress_it\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=11439"},{"taxonomy":"post_tag","embeddable":true,"href":"http:\/\/xinyiworld.top\/wordpress_it\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=11439"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}