{"id":18586,"date":"2025-04-19T01:02:49","date_gmt":"2025-04-18T17:02:49","guid":{"rendered":"https:\/\/www.wsisp.com\/helps\/18586.html"},"modified":"2025-04-19T01:02:49","modified_gmt":"2025-04-18T17:02:49","slug":"libevent%e6%9c%8d%e5%8a%a1%e5%99%a8%e9%99%84%e5%b8%a6qt%e7%95%8c%e9%9d%a2%e5%bc%80%e5%8f%91%ef%bc%88%e9%99%84%e5%b8%a6%e6%ba%90%e7%a0%81%ef%bc%89","status":"publish","type":"post","link":"https:\/\/www.wsisp.com\/helps\/18586.html","title":{"rendered":"libevent\u670d\u52a1\u5668\u9644\u5e26qt\u754c\u9762\u5f00\u53d1\uff08\u9644\u5e26\u6e90\u7801\uff09"},"content":{"rendered":"<\/p>\n<h4>\u672c\u7ae0\u662f\u5165\u95e8\u7ae0\u8282&#xff0c;\u8bb2\u89e3\u5982\u4f55\u5b9e\u73b0\u4e00\u4e2a\u9644\u5e26\u754c\u9762\u7684\u670d\u52a1\u5668&#xff0c;\u540e\u7eed\u4f1a\u5b8c\u5584\u4e0e\u4f18\u5316<\/h4>\n<ul>\n<li>\u4f7f\u7528qt\u7f16\u8bd1libevent<\/li>\n<li>\u6e90\u7801<\/li>\n<li>\u6f14\u793a\u89c6\u9891<\/li>\n<li>qt\u7684\u4e00\u4e9b\u77e5\u8bc6<\/li>\n<\/ul>\n<p><img decoding=\"async\" src=\"https:\/\/www.wsisp.com\/helps\/wp-content\/uploads\/2025\/04\/20250418170244-680285b4ac083.png\" alt=\"\u5728\u8fd9\u91cc\u63d2\u5165\u56fe\u7247\u63cf\u8ff0\" \/><br \/>\n 1.\u4e3b\u8981\u529f\u80fd\u6709\u767b\u5f55\u754c\u9762<br \/>\n 2.\u57fa\u4e8elibevent\u5b9e\u73b0\u7684\u670d\u52a1\u5668\u7684\u4e1a\u52a1\u529f\u80fd <\/p>\n<h2>\u4f7f\u7528qt\u7f16\u8bd1libevent<\/h2>\n<p>\u4e0b\u8f7d\u8fd9\u4e2a&#xff0c;\u5176\u4ed6\u7248\u672c\u4e5f\u53ef\u4ee5 \u4e3b\u8981\u662fgithub\u4e0a\u4e0b\u8f7d&#xff0c;\u53ef\u80fd\u6709\u70b9\u5361 \u94fe\u63a5: link <img decoding=\"async\" src=\"https:\/\/www.wsisp.com\/helps\/wp-content\/uploads\/2025\/04\/20250418170244-680285b4c54fc.png\" alt=\"\u5728\u8fd9\u91cc\u63d2\u5165\u56fe\u7247\u63cf\u8ff0\" \/> <img decoding=\"async\" src=\"https:\/\/www.wsisp.com\/helps\/wp-content\/uploads\/2025\/04\/20250418170245-680285b534050.png\" alt=\"\u5728\u8fd9\u91cc\u63d2\u5165\u56fe\u7247\u63cf\u8ff0\" \/> \u7f16\u8bd1\u6d41\u7a0b 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decoding=\"async\" src=\"https:\/\/www.wsisp.com\/helps\/wp-content\/uploads\/2025\/04\/20250418170246-680285b675d82.png\" alt=\"\u5728\u8fd9\u91cc\u63d2\u5165\u56fe\u7247\u63cf\u8ff0\" \/> <img decoding=\"async\" src=\"https:\/\/www.wsisp.com\/helps\/wp-content\/uploads\/2025\/04\/20250418170247-680285b704399.png\" alt=\"\u5728\u8fd9\u91cc\u63d2\u5165\u56fe\u7247\u63cf\u8ff0\" \/> \u6700\u540e\u7f16\u8bd1\u6210\u529f\u540e\u53ef\u4ee5\u4e22\u5230\/usr\/bin\u91cc\u4e5f\u53ef\u4ee5\u4e22\u5230\u81ea\u5df1\u7684\u5199\u7684\u7a0b\u5e8f\u7684\u76ee\u5f55\u4e0b<\/p>\n<h2>\u6e90\u7801<\/h2>\n<p>\u6e90\u7801\u7ed3\u6784\u5982\u4e0b <img decoding=\"async\" src=\"https:\/\/www.wsisp.com\/helps\/wp-content\/uploads\/2025\/04\/20250418170247-680285b78b101.png\" alt=\"\u5728\u8fd9\u91cc\u63d2\u5165\u56fe\u7247\u63cf\u8ff0\" \/> \u4e0b\u9762\u662flibeventuse.cpp<\/p>\n<p><span class=\"token macro property\"><span class=\"token directive-hash\">#<\/span><span class=\"token directive keyword\">include<\/span> <span class=\"token string\">&#034;libeventuse.h&#034;<\/span><\/span><br \/>\n<span class=\"token macro property\"><span class=\"token directive-hash\">#<\/span><span class=\"token directive keyword\">include<\/span> <span class=\"token string\">&lt;string.h&gt;<\/span><\/span><br \/>\n<span class=\"token macro property\"><span class=\"token directive-hash\">#<\/span><span class=\"token directive keyword\">include<\/span> <span class=\"token string\">&lt;errno.h&gt;<\/span><\/span><br \/>\n<span class=\"token macro property\"><span class=\"token directive-hash\">#<\/span><span class=\"token directive keyword\">include<\/span> <span class=\"token string\">&lt;stdio.h&gt;<\/span><\/span><br \/>\n<span class=\"token macro property\"><span class=\"token directive-hash\">#<\/span><span class=\"token directive keyword\">include<\/span> <span class=\"token string\">&lt;signal.h&gt;<\/span><\/span><br \/>\n<span class=\"token macro property\"><span class=\"token directive-hash\">#<\/span><span class=\"token directive keyword\">ifndef<\/span> <span class=\"token expression\">_WIN32<\/span><\/span><br \/>\n<span class=\"token macro property\"><span class=\"token directive-hash\">#<\/span><span class=\"token directive keyword\">include<\/span> <span class=\"token string\">&lt;netinet\/in.h&gt;<\/span><\/span><br \/>\n<span class=\"token macro property\"><span class=\"token directive-hash\">#<\/span> <span class=\"token directive keyword\">ifdef<\/span> <span class=\"token expression\">_XOPEN_SOURCE_EXTENDED<\/span><\/span><br \/>\n<span class=\"token macro property\"><span class=\"token directive-hash\">#<\/span>  <span class=\"token directive keyword\">include<\/span> <span class=\"token string\">&lt;arpa\/inet.h&gt;<\/span><\/span><br \/>\n<span class=\"token macro property\"><span class=\"token directive-hash\">#<\/span> <span class=\"token directive keyword\">endif<\/span><\/span><br \/>\n<span class=\"token macro property\"><span class=\"token directive-hash\">#<\/span><span class=\"token directive keyword\">include<\/span> <span class=\"token string\">&lt;sys\/socket.h&gt;<\/span><\/span><br \/>\n<span class=\"token macro property\"><span class=\"token directive-hash\">#<\/span><span class=\"token directive keyword\">endif<\/span><\/span><\/p>\n<p><span class=\"token macro property\"><span class=\"token directive-hash\">#<\/span><span class=\"token directive keyword\">include<\/span> <span class=\"token string\">&lt;event2\/bufferevent.h&gt;<\/span><\/span><br \/>\n<span class=\"token macro property\"><span class=\"token directive-hash\">#<\/span><span class=\"token directive keyword\">include<\/span> <span class=\"token string\">&lt;event2\/buffer.h&gt;<\/span><\/span><br \/>\n<span class=\"token macro property\"><span class=\"token directive-hash\">#<\/span><span class=\"token directive keyword\">include<\/span> <span class=\"token string\">&lt;event2\/listener.h&gt;<\/span><\/span><br \/>\n<span class=\"token macro property\"><span class=\"token directive-hash\">#<\/span><span class=\"token directive keyword\">include<\/span> <span class=\"token string\">&lt;event2\/util.h&gt;<\/span><\/span><br \/>\n<span class=\"token macro property\"><span class=\"token directive-hash\">#<\/span><span class=\"token directive keyword\">include<\/span> <span class=\"token string\">&lt;event2\/event.h&gt;<\/span><\/span><br \/>\n<span class=\"token macro property\"><span class=\"token directive-hash\">#<\/span><span class=\"token directive keyword\">include<\/span><span class=\"token string\">&#034;qdebug.h&#034;<\/span><\/span><\/p>\n<p><span class=\"token keyword\">static<\/span> <span class=\"token keyword\">const<\/span> <span class=\"token keyword\">char<\/span> MESSAGE<span class=\"token punctuation\">[<\/span><span class=\"token punctuation\">]<\/span> <span class=\"token operator\">&#061;<\/span> <span class=\"token string\">&#034;Hello, World!\\\\n&#034;<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p><span class=\"token keyword\">static<\/span> <span class=\"token keyword\">const<\/span> <span class=\"token keyword\">unsigned<\/span> <span class=\"token keyword\">short<\/span> PORT <span class=\"token operator\">&#061;<\/span> <span class=\"token number\">9995<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p><span class=\"token keyword\">static<\/span> <span class=\"token keyword\">void<\/span> <span class=\"token function\">listener_cb<\/span><span class=\"token punctuation\">(<\/span><span class=\"token keyword\">struct<\/span> <span class=\"token class-name\">evconnlistener<\/span> <span class=\"token operator\">*<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token class-name\">evutil_socket_t<\/span><span class=\"token punctuation\">,<\/span><br \/>\n    <span class=\"token keyword\">struct<\/span> <span class=\"token class-name\">sockaddr<\/span> <span class=\"token operator\">*<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token keyword\">int<\/span> socklen<span class=\"token punctuation\">,<\/span> <span class=\"token keyword\">void<\/span> <span class=\"token operator\">*<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n<span class=\"token keyword\">static<\/span> <span class=\"token keyword\">void<\/span> <span class=\"token function\">conn_writecb<\/span><span class=\"token punctuation\">(<\/span><span class=\"token keyword\">struct<\/span> <span class=\"token class-name\">bufferevent<\/span> <span class=\"token operator\">*<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token keyword\">void<\/span> <span class=\"token operator\">*<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n<span class=\"token keyword\">static<\/span> <span class=\"token keyword\">void<\/span> <span class=\"token function\">conn_eventcb<\/span><span class=\"token punctuation\">(<\/span><span class=\"token keyword\">struct<\/span> <span class=\"token class-name\">bufferevent<\/span> <span class=\"token operator\">*<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token keyword\">short<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token keyword\">void<\/span> <span class=\"token operator\">*<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n<span class=\"token keyword\">static<\/span> <span class=\"token keyword\">void<\/span> <span class=\"token function\">signal_cb<\/span><span class=\"token punctuation\">(<\/span><span class=\"token class-name\">evutil_socket_t<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token keyword\">short<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token keyword\">void<\/span> <span class=\"token operator\">*<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p><span class=\"token keyword\">int<\/span> <span class=\"token function\">main3<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><br \/>\n<span class=\"token punctuation\">{<\/span><br \/>\n    <span class=\"token keyword\">struct<\/span> <span class=\"token class-name\">event_base<\/span> <span class=\"token operator\">*<\/span>base<span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token keyword\">struct<\/span> <span class=\"token class-name\">evconnlistener<\/span> <span class=\"token operator\">*<\/span>listener<span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token keyword\">struct<\/span> <span class=\"token class-name\">event<\/span> <span class=\"token operator\">*<\/span>signal_event<span class=\"token punctuation\">;<\/span><\/p>\n<p>    <span class=\"token keyword\">struct<\/span> <span class=\"token class-name\">sockaddr_in<\/span> sin <span class=\"token operator\">&#061;<\/span> <span class=\"token punctuation\">{<\/span><span class=\"token number\">0<\/span><span class=\"token punctuation\">}<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p>    base <span class=\"token operator\">&#061;<\/span> <span class=\"token function\">event_base_new<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><span class=\"token comment\">\/\/\u521d\u59cb\u5316<\/span><br \/>\n    <span class=\"token keyword\">if<\/span> <span class=\"token punctuation\">(<\/span><span class=\"token operator\">!<\/span>base<span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n        <span class=\"token function\">fprintf<\/span><span class=\"token punctuation\">(<\/span><span class=\"token constant\">stderr<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token string\">&#034;Could not initialize libevent!\\\\n&#034;<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n        <span class=\"token keyword\">return<\/span> <span class=\"token number\">1<\/span><span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token punctuation\">}<\/span><\/p>\n<p>    sin<span class=\"token punctuation\">.<\/span>sin_family <span class=\"token operator\">&#061;<\/span> AF_INET<span class=\"token punctuation\">;<\/span><br \/>\n    sin<span class=\"token punctuation\">.<\/span>sin_port <span class=\"token operator\">&#061;<\/span> <span class=\"token function\">htons<\/span><span class=\"token punctuation\">(<\/span>PORT<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p>    listener <span class=\"token operator\">&#061;<\/span> <span class=\"token function\">evconnlistener_new_bind<\/span><span class=\"token punctuation\">(<\/span>base<span class=\"token punctuation\">,<\/span> listener_cb<span class=\"token punctuation\">,<\/span> <span class=\"token punctuation\">(<\/span><span class=\"token keyword\">void<\/span> <span class=\"token operator\">*<\/span><span class=\"token punctuation\">)<\/span>base<span class=\"token punctuation\">,<\/span><br \/>\n        LEV_OPT_REUSEABLE<span class=\"token operator\">|<\/span>LEV_OPT_CLOSE_ON_FREE<span class=\"token punctuation\">,<\/span> <span class=\"token operator\">&#8211;<\/span><span class=\"token number\">1<\/span><span class=\"token punctuation\">,<\/span><br \/>\n        <span class=\"token punctuation\">(<\/span><span class=\"token keyword\">struct<\/span> <span class=\"token class-name\">sockaddr<\/span><span class=\"token operator\">*<\/span><span class=\"token punctuation\">)<\/span><span class=\"token operator\">&amp;<\/span>sin<span class=\"token punctuation\">,<\/span><br \/>\n        <span class=\"token keyword\">sizeof<\/span><span class=\"token punctuation\">(<\/span>sin<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><span class=\"token comment\">\/\/\u4e8b\u4ef6\u76d1\u542c<\/span><\/p>\n<p>    <span class=\"token keyword\">if<\/span> <span class=\"token punctuation\">(<\/span><span class=\"token operator\">!<\/span>listener<span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n        <span class=\"token function\">fprintf<\/span><span class=\"token punctuation\">(<\/span><span class=\"token constant\">stderr<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token string\">&#034;Could not create a listener!\\\\n&#034;<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n        <span class=\"token keyword\">return<\/span> <span class=\"token number\">1<\/span><span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token punctuation\">}<\/span><\/p>\n<p>    signal_event <span class=\"token operator\">&#061;<\/span> <span class=\"token function\">evsignal_new<\/span><span class=\"token punctuation\">(<\/span>base<span class=\"token punctuation\">,<\/span> SIGINT<span class=\"token punctuation\">,<\/span> signal_cb<span class=\"token punctuation\">,<\/span> <span class=\"token punctuation\">(<\/span><span class=\"token keyword\">void<\/span> <span class=\"token operator\">*<\/span><span class=\"token punctuation\">)<\/span>base<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><span class=\"token comment\">\/\/\u4fe1\u53f7\u4e8b\u4ef6<\/span><\/p>\n<p>    <span class=\"token keyword\">if<\/span> <span class=\"token punctuation\">(<\/span><span class=\"token operator\">!<\/span>signal_event <span class=\"token operator\">||<\/span> <span class=\"token function\">event_add<\/span><span class=\"token punctuation\">(<\/span>signal_event<span class=\"token punctuation\">,<\/span> <span class=\"token constant\">NULL<\/span><span class=\"token punctuation\">)<\/span><span class=\"token operator\">&lt;<\/span><span class=\"token number\">0<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n        <span class=\"token function\">fprintf<\/span><span class=\"token punctuation\">(<\/span><span class=\"token constant\">stderr<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token string\">&#034;Could not create\/add a signal event!\\\\n&#034;<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n        <span class=\"token keyword\">return<\/span> <span class=\"token number\">1<\/span><span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token punctuation\">}<\/span><\/p>\n<p>    <span class=\"token function\">event_base_dispatch<\/span><span class=\"token punctuation\">(<\/span>base<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><span class=\"token comment\">\/\/\u542f\u52a8<\/span><\/p>\n<p>    <span class=\"token function\">evconnlistener_free<\/span><span class=\"token punctuation\">(<\/span>listener<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token function\">event_free<\/span><span class=\"token punctuation\">(<\/span>signal_event<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token function\">event_base_free<\/span><span class=\"token punctuation\">(<\/span>base<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p>    <span class=\"token function\">printf<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string\">&#034;done\\\\n&#034;<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token keyword\">return<\/span> <span class=\"token number\">0<\/span><span class=\"token punctuation\">;<\/span><br \/>\n<span class=\"token punctuation\">}<\/span><\/p>\n<p><span class=\"token keyword\">static<\/span> <span class=\"token keyword\">void<\/span><br \/>\n<span class=\"token function\">listener_cb<\/span><span class=\"token punctuation\">(<\/span><span class=\"token keyword\">struct<\/span> <span class=\"token class-name\">evconnlistener<\/span> <span class=\"token operator\">*<\/span>listener<span class=\"token punctuation\">,<\/span> <span class=\"token class-name\">evutil_socket_t<\/span> fd<span class=\"token punctuation\">,<\/span><br \/>\n    <span class=\"token keyword\">struct<\/span> <span class=\"token class-name\">sockaddr<\/span> <span class=\"token operator\">*<\/span>sa<span class=\"token punctuation\">,<\/span> <span class=\"token keyword\">int<\/span> socklen<span class=\"token punctuation\">,<\/span> <span class=\"token keyword\">void<\/span> <span class=\"token operator\">*<\/span>user_data<span class=\"token punctuation\">)<\/span><br \/>\n<span class=\"token punctuation\">{<\/span><br \/>\n    <span class=\"token keyword\">struct<\/span> <span class=\"token class-name\">event_base<\/span> <span class=\"token operator\">*<\/span>base <span class=\"token operator\">&#061;<\/span> static_cast<span class=\"token operator\">&lt;<\/span>event_base<span class=\"token operator\">*<\/span><span class=\"token operator\">&gt;<\/span><span class=\"token punctuation\">(<\/span>user_data<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token keyword\">struct<\/span> <span class=\"token class-name\">bufferevent<\/span> <span class=\"token operator\">*<\/span>bev<span class=\"token punctuation\">;<\/span><\/p>\n<p>    bev <span class=\"token operator\">&#061;<\/span> <span class=\"token function\">bufferevent_socket_new<\/span><span class=\"token punctuation\">(<\/span>base<span class=\"token punctuation\">,<\/span> fd<span class=\"token punctuation\">,<\/span> BEV_OPT_CLOSE_ON_FREE<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token keyword\">if<\/span> <span class=\"token punctuation\">(<\/span><span class=\"token operator\">!<\/span>bev<span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n        <span class=\"token function\">fprintf<\/span><span class=\"token punctuation\">(<\/span><span class=\"token constant\">stderr<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token string\">&#034;Error constructing bufferevent!&#034;<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n        <span class=\"token function\">event_base_loopbreak<\/span><span class=\"token punctuation\">(<\/span>base<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n        <span class=\"token keyword\">return<\/span><span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token punctuation\">}<\/span><br \/>\n    <span class=\"token function\">bufferevent_setcb<\/span><span class=\"token punctuation\">(<\/span>bev<span class=\"token punctuation\">,<\/span> <span class=\"token constant\">NULL<\/span><span class=\"token punctuation\">,<\/span> conn_writecb<span class=\"token punctuation\">,<\/span> conn_eventcb<span class=\"token punctuation\">,<\/span> <span class=\"token constant\">NULL<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token function\">bufferevent_enable<\/span><span class=\"token punctuation\">(<\/span>bev<span class=\"token punctuation\">,<\/span> EV_WRITE<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token function\">bufferevent_disable<\/span><span class=\"token punctuation\">(<\/span>bev<span class=\"token punctuation\">,<\/span> EV_READ<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p>    <span class=\"token function\">bufferevent_write<\/span><span class=\"token punctuation\">(<\/span>bev<span class=\"token punctuation\">,<\/span> MESSAGE<span class=\"token punctuation\">,<\/span> <span class=\"token function\">strlen<\/span><span class=\"token punctuation\">(<\/span>MESSAGE<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n<span class=\"token punctuation\">}<\/span><\/p>\n<p><span class=\"token keyword\">static<\/span> <span class=\"token keyword\">void<\/span><br \/>\n<span class=\"token function\">conn_writecb<\/span><span class=\"token punctuation\">(<\/span><span class=\"token keyword\">struct<\/span> <span class=\"token class-name\">bufferevent<\/span> <span class=\"token operator\">*<\/span>bev<span class=\"token punctuation\">,<\/span> <span class=\"token keyword\">void<\/span> <span class=\"token operator\">*<\/span>user_data<span class=\"token punctuation\">)<\/span><br \/>\n<span class=\"token punctuation\">{<\/span><br \/>\n    <span class=\"token keyword\">struct<\/span> <span class=\"token class-name\">evbuffer<\/span> <span class=\"token operator\">*<\/span>output <span class=\"token operator\">&#061;<\/span> <span class=\"token function\">bufferevent_get_output<\/span><span class=\"token punctuation\">(<\/span>bev<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token keyword\">if<\/span> <span class=\"token punctuation\">(<\/span><span class=\"token function\">evbuffer_get_length<\/span><span class=\"token punctuation\">(<\/span>output<span class=\"token punctuation\">)<\/span> <span class=\"token operator\">&#061;&#061;<\/span> <span class=\"token number\">0<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n        <span class=\"token function\">printf<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string\">&#034;flushed answer\\\\n&#034;<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n        <span class=\"token function\">bufferevent_free<\/span><span class=\"token punctuation\">(<\/span>bev<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token punctuation\">}<\/span><br \/>\n<span class=\"token punctuation\">}<\/span><\/p>\n<p><span class=\"token keyword\">static<\/span> <span class=\"token keyword\">void<\/span><br \/>\n<span class=\"token function\">conn_eventcb<\/span><span class=\"token punctuation\">(<\/span><span class=\"token keyword\">struct<\/span> <span class=\"token class-name\">bufferevent<\/span> <span class=\"token operator\">*<\/span>bev<span class=\"token punctuation\">,<\/span> <span class=\"token keyword\">short<\/span> events<span class=\"token punctuation\">,<\/span> <span class=\"token keyword\">void<\/span> <span class=\"token operator\">*<\/span>user_data<span class=\"token punctuation\">)<\/span><br \/>\n<span class=\"token punctuation\">{<\/span><br \/>\n    <span class=\"token keyword\">if<\/span> <span class=\"token punctuation\">(<\/span>events <span class=\"token operator\">&amp;<\/span> BEV_EVENT_EOF<span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n        <span class=\"token function\">printf<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string\">&#034;Connection closed.\\\\n&#034;<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token punctuation\">}<\/span> <span class=\"token keyword\">else<\/span> <span class=\"token keyword\">if<\/span> <span class=\"token punctuation\">(<\/span>events <span class=\"token operator\">&amp;<\/span> BEV_EVENT_ERROR<span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n        <span class=\"token function\">printf<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string\">&#034;Got an error on the connection: %s\\\\n&#034;<\/span><span class=\"token punctuation\">,<\/span><br \/>\n            <span class=\"token function\">strerror<\/span><span class=\"token punctuation\">(<\/span>errno<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><span class=\"token comment\">\/*XXX win32*\/<\/span><br \/>\n    <span class=\"token punctuation\">}<\/span><br \/>\n    <span class=\"token comment\">\/* None of the other events can happen here, since we haven&#039;t enabled<br \/>\n     * timeouts *\/<\/span><br \/>\n    <span class=\"token function\">bufferevent_free<\/span><span class=\"token punctuation\">(<\/span>bev<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n<span class=\"token punctuation\">}<\/span><\/p>\n<p><span class=\"token keyword\">static<\/span> <span class=\"token keyword\">void<\/span><br \/>\n<span class=\"token function\">signal_cb<\/span><span class=\"token punctuation\">(<\/span><span class=\"token class-name\">evutil_socket_t<\/span> sig<span class=\"token punctuation\">,<\/span> <span class=\"token keyword\">short<\/span> events<span class=\"token punctuation\">,<\/span> <span class=\"token keyword\">void<\/span> <span class=\"token operator\">*<\/span>user_data<span class=\"token punctuation\">)<\/span><br \/>\n<span class=\"token punctuation\">{<\/span><br \/>\n    <span class=\"token keyword\">struct<\/span> <span class=\"token class-name\">event_base<\/span> <span class=\"token operator\">*<\/span>base <span class=\"token operator\">&#061;<\/span> static_cast<span class=\"token operator\">&lt;<\/span>event_base<span class=\"token operator\">*<\/span><span class=\"token operator\">&gt;<\/span><span class=\"token punctuation\">(<\/span>user_data<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token keyword\">struct<\/span> <span class=\"token class-name\">timeval<\/span> delay <span class=\"token operator\">&#061;<\/span> <span class=\"token punctuation\">{<\/span> <span class=\"token number\">2<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token number\">0<\/span> <span class=\"token punctuation\">}<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p>    <span class=\"token function\">printf<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string\">&#034;Caught an interrupt signal; exiting cleanly in two seconds.\\\\n&#034;<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p>    <span class=\"token function\">event_base_loopexit<\/span><span class=\"token punctuation\">(<\/span>base<span class=\"token punctuation\">,<\/span> <span class=\"token operator\">&amp;<\/span>delay<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n<span class=\"token punctuation\">}<\/span><br \/>\nlibeventuse<span class=\"token operator\">::<\/span><span class=\"token function\">libeventuse<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><br \/>\n<span class=\"token punctuation\">{<\/span><br \/>\n    <span class=\"token function\">main3<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n<span class=\"token punctuation\">}<\/span><\/p>\n<p>\u4e0b\u9762\u662fmainwindow.cpp<\/p>\n<p><span class=\"token macro property\"><span class=\"token directive-hash\">#<\/span><span class=\"token directive keyword\">include<\/span> <span class=\"token string\">&#034;mainwindow.h&#034;<\/span><\/span><br \/>\n<span class=\"token macro property\"><span class=\"token directive-hash\">#<\/span><span class=\"token directive keyword\">include<\/span> <span class=\"token string\">&#034;ui_mainwindow.h&#034;<\/span><\/span><br \/>\n<span class=\"token macro property\"><span class=\"token directive-hash\">#<\/span><span class=\"token directive keyword\">include<\/span> <span class=\"token string\">&#034;ui_form.h&#034;<\/span><\/span><br \/>\n<span class=\"token macro property\"><span class=\"token directive-hash\">#<\/span><span class=\"token directive keyword\">include<\/span><span class=\"token string\">&#034;QString&#034;<\/span><\/span><br \/>\n<span class=\"token macro property\"><span class=\"token directive-hash\">#<\/span><span class=\"token directive keyword\">include<\/span><span class=\"token string\">&#034;qdebug.h&#034;<\/span><\/span><br \/>\n<span class=\"token macro property\"><span class=\"token directive-hash\">#<\/span><span class=\"token directive keyword\">include<\/span><span class=\"token string\">&#034;qmessagebox.h&#034;<\/span><\/span><br \/>\n<span class=\"token macro property\"><span class=\"token directive-hash\">#<\/span><span class=\"token directive keyword\">include<\/span><span class=\"token string\">&#034;libeventuse.h&#034;<\/span><\/span><\/p>\n<p><span class=\"token macro property\"><span class=\"token directive-hash\">#<\/span><span class=\"token directive keyword\">include<\/span> <span class=\"token string\">&lt;QMutex&gt;<\/span><\/span><br \/>\n<span class=\"token macro property\"><span class=\"token directive-hash\">#<\/span><span class=\"token directive keyword\">include<\/span> <span class=\"token string\">&lt;QTime&gt;<\/span><\/span><br \/>\n<span class=\"token macro property\"><span class=\"token directive-hash\">#<\/span><span class=\"token directive keyword\">include<\/span> <span class=\"token string\">&lt;QWidget&gt;<\/span><\/span><\/p>\n<p>WorkThread<span class=\"token operator\">::<\/span><span class=\"token function\">WorkThread<\/span><span class=\"token punctuation\">(<\/span>QObject <span class=\"token operator\">*<\/span>parent<span class=\"token punctuation\">)<\/span> <span class=\"token operator\">:<\/span> <span class=\"token function\">QThread<\/span><span class=\"token punctuation\">(<\/span>parent<span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{<\/span><span class=\"token punctuation\">}<\/span><\/p>\n<p><span class=\"token keyword\">void<\/span> WorkThread<span class=\"token operator\">::<\/span><span class=\"token function\">run<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{<\/span>  <span class=\"token comment\">\/\/ \u5fc5\u987b\u5b9e\u73b0 run()<\/span><br \/>\nlibeventuse tmp<span class=\"token punctuation\">;<\/span><br \/>\nemit this<span class=\"token operator\">-&gt;<\/span><span class=\"token function\">server_finish<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n<span class=\"token punctuation\">}<\/span><\/p>\n<p>MainWindow<span class=\"token operator\">::<\/span><span class=\"token function\">MainWindow<\/span><span class=\"token punctuation\">(<\/span>QWidget <span class=\"token operator\">*<\/span>parent<span class=\"token punctuation\">)<\/span> <span class=\"token operator\">:<\/span><br \/>\n    <span class=\"token function\">QMainWindow<\/span><span class=\"token punctuation\">(<\/span>parent<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">,<\/span><br \/>\n    <span class=\"token function\">ui<\/span><span class=\"token punctuation\">(<\/span>new Ui<span class=\"token operator\">::<\/span>MainWindow<span class=\"token punctuation\">)<\/span><br \/>\n<span class=\"token punctuation\">{<\/span><\/p>\n<p>    ui<span class=\"token operator\">-&gt;<\/span><span class=\"token function\">setupUi<\/span><span class=\"token punctuation\">(<\/span>this<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n   login_win<span class=\"token operator\">&#061;<\/span>new Form<span class=\"token punctuation\">;<\/span><br \/>\n   workthread<span class=\"token operator\">&#061;<\/span>new WorkThread<span class=\"token punctuation\">;<\/span><br \/>\n   login_win<span class=\"token operator\">-&gt;<\/span><span class=\"token function\">hide<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><span class=\"token comment\">\/\/\u767b\u5f55\u7a97\u53e3\u6253\u5f00<\/span><br \/>\n   workthread<span class=\"token operator\">-&gt;<\/span><span class=\"token function\">start<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p>   <span class=\"token function\">connect<\/span><span class=\"token punctuation\">(<\/span>this<span class=\"token operator\">-&gt;<\/span>workthread<span class=\"token punctuation\">,<\/span><span class=\"token operator\">&amp;<\/span>WorkThread<span class=\"token operator\">::<\/span>server_finish<span class=\"token punctuation\">,<\/span><span class=\"token punctuation\">[<\/span><span class=\"token operator\">&#061;<\/span><span class=\"token punctuation\">]<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">{<\/span><br \/>\n            <span class=\"token function\">qDebug<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token operator\">&lt;&lt;<\/span><span class=\"token string\">&#034;\u670d\u52a1\u5668\u5173\u95ed&#034;<\/span><span class=\"token punctuation\">;<\/span><br \/>\n   <span class=\"token punctuation\">}<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n   <span class=\"token function\">connect<\/span><span class=\"token punctuation\">(<\/span>this<span class=\"token operator\">-&gt;<\/span>workthread<span class=\"token punctuation\">,<\/span><span class=\"token operator\">&amp;<\/span>WorkThread<span class=\"token operator\">::<\/span>finished<span class=\"token punctuation\">,<\/span>this<span class=\"token operator\">-&gt;<\/span>workthread<span class=\"token punctuation\">,<\/span><span class=\"token operator\">&amp;<\/span>QObject<span class=\"token operator\">::<\/span>deleteLater<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p>   <span class=\"token function\">connect<\/span><span class=\"token punctuation\">(<\/span>this<span class=\"token operator\">-&gt;<\/span>login_win<span class=\"token punctuation\">,<\/span><span class=\"token operator\">&amp;<\/span>Form<span class=\"token operator\">::<\/span>back<span class=\"token punctuation\">,<\/span><span class=\"token punctuation\">[<\/span><span class=\"token operator\">&#061;<\/span><span class=\"token punctuation\">]<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">{<\/span><span class=\"token comment\">\/\/\u69fd\u51fd\u6570<\/span><br \/>\n       this<span class=\"token operator\">-&gt;<\/span><span class=\"token function\">show<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><span class=\"token comment\">\/\/\u8fd4\u56de\u767b\u5f55\u754c\u9762<\/span><br \/>\n       this<span class=\"token operator\">-&gt;<\/span>login_win<span class=\"token operator\">-&gt;<\/span><span class=\"token function\">hide<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><span class=\"token comment\">\/\/\u4e3b\u6267\u884c\u754c\u9762\u5173\u95ed<\/span><br \/>\n   <span class=\"token punctuation\">}<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p><span class=\"token punctuation\">}<\/span><\/p>\n<p>MainWindow<span class=\"token operator\">::<\/span><span class=\"token operator\">~<\/span><span class=\"token function\">MainWindow<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><br \/>\n<span class=\"token punctuation\">{<\/span><br \/>\n    delete login_win<span class=\"token punctuation\">;<\/span><br \/>\n    delete ui<span class=\"token punctuation\">;<\/span><br \/>\n<span class=\"token punctuation\">}<\/span><\/p>\n<p>Form<span class=\"token operator\">::<\/span><span class=\"token function\">Form<\/span><span class=\"token punctuation\">(<\/span>QWidget <span class=\"token operator\">*<\/span>parent<span class=\"token punctuation\">)<\/span> <span class=\"token operator\">:<\/span><br \/>\n    <span class=\"token function\">QWidget<\/span><span class=\"token punctuation\">(<\/span>parent<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">,<\/span><br \/>\n    <span class=\"token function\">ui<\/span><span class=\"token punctuation\">(<\/span>new Ui<span class=\"token operator\">::<\/span>Form<span class=\"token punctuation\">)<\/span><br \/>\n<span class=\"token punctuation\">{<\/span><br \/>\n    ui<span class=\"token operator\">-&gt;<\/span><span class=\"token function\">setupUi<\/span><span class=\"token punctuation\">(<\/span>this<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p><span class=\"token punctuation\">}<\/span><\/p>\n<p>Form<span class=\"token operator\">::<\/span><span class=\"token operator\">~<\/span><span class=\"token function\">Form<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><br \/>\n<span class=\"token punctuation\">{<\/span><\/p>\n<p>    delete ui<span class=\"token punctuation\">;<\/span><br \/>\n<span class=\"token punctuation\">}<\/span><\/p>\n<p><span class=\"token keyword\">void<\/span> MainWindow<span class=\"token operator\">::<\/span><span class=\"token function\">on_pushButton_clicked<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><br \/>\n<span class=\"token punctuation\">{<\/span><br \/>\n    QString RootName<span class=\"token operator\">&#061;<\/span>ui<span class=\"token operator\">-&gt;<\/span>rootName<span class=\"token operator\">-&gt;<\/span><span class=\"token function\">text<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n    QString Password<span class=\"token operator\">&#061;<\/span>ui<span class=\"token operator\">-&gt;<\/span>password<span class=\"token operator\">-&gt;<\/span><span class=\"token function\">text<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token keyword\">if<\/span><span class=\"token punctuation\">(<\/span>RootName<span class=\"token punctuation\">.<\/span><span class=\"token function\">size<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token operator\">&#061;&#061;<\/span><span class=\"token number\">0<\/span><span class=\"token punctuation\">)<\/span><br \/>\n    <span class=\"token punctuation\">{<\/span><br \/>\n       QMessageBox<span class=\"token operator\">::<\/span><span class=\"token function\">information<\/span><span class=\"token punctuation\">(<\/span>this<span class=\"token punctuation\">,<\/span> <span class=\"token function\">tr<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string\">&#034;\u63d0\u793a&#034;<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token function\">tr<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string\">&#034;\u7528\u6237\u540d\u6ca1\u6709\u8f93\u5165&#034;<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n       <span class=\"token keyword\">return<\/span> <span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token punctuation\">}<\/span><br \/>\n    <span class=\"token keyword\">else<\/span> <span class=\"token keyword\">if<\/span><span class=\"token punctuation\">(<\/span>RootName<span class=\"token punctuation\">.<\/span><span class=\"token function\">size<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token operator\">&#061;&#061;<\/span><span class=\"token number\">0<\/span><span class=\"token punctuation\">)<\/span><br \/>\n    <span class=\"token punctuation\">{<\/span><br \/>\n        QMessageBox<span class=\"token operator\">::<\/span><span class=\"token function\">information<\/span><span class=\"token punctuation\">(<\/span>this<span class=\"token punctuation\">,<\/span> <span class=\"token function\">tr<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string\">&#034;\u63d0\u793a&#034;<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token function\">tr<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string\">&#034;\u5bc6\u7801\u6ca1\u6709\u8f93\u5165&#034;<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token punctuation\">}<\/span><br \/>\n    <span class=\"token keyword\">if<\/span><span class=\"token punctuation\">(<\/span>RootName<span class=\"token operator\">&#061;&#061;<\/span><span class=\"token string\">&#034;i&#034;<\/span><span class=\"token operator\">&amp;&amp;<\/span>Password<span class=\"token operator\">&#061;&#061;<\/span><span class=\"token string\">&#034;1&#034;<\/span><span class=\"token punctuation\">)<\/span><span class=\"token comment\">\/\/\u9a8c\u8bc1\u7528\u6237\u548c\u5bc6\u7801<\/span><br \/>\n    <span class=\"token punctuation\">{<\/span><br \/>\n        <span class=\"token function\">qDebug<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token operator\">&lt;&lt;<\/span>RootName<span class=\"token operator\">&lt;&lt;<\/span>Password<span class=\"token punctuation\">;<\/span><br \/>\n        login_win<span class=\"token operator\">-&gt;<\/span><span class=\"token function\">show<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><span class=\"token comment\">\/\/\u4e3b\u6267\u884c\u754c\u9762\u6253\u5f00<\/span><br \/>\n        this<span class=\"token operator\">-&gt;<\/span><span class=\"token function\">hide<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><span class=\"token comment\">\/\/\u767b\u5f55\u754c\u9762\u5173\u95ed<\/span><br \/>\n    <span class=\"token punctuation\">}<\/span><br \/>\n    <span class=\"token keyword\">else<\/span><br \/>\n    <span class=\"token punctuation\">{<\/span><br \/>\n          QMessageBox<span class=\"token operator\">::<\/span><span class=\"token function\">information<\/span><span class=\"token punctuation\">(<\/span>this<span class=\"token punctuation\">,<\/span> <span class=\"token function\">tr<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string\">&#034;\u63d0\u793a&#034;<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token function\">tr<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string\">&#034;\u7528\u6237\u6216\u5bc6\u7801\u8f93\u5165\u9519\u8bef&#034;<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token punctuation\">}<\/span><\/p>\n<p><span class=\"token punctuation\">}<\/span><\/p>\n<p><span class=\"token keyword\">void<\/span> Form<span class=\"token operator\">::<\/span><span class=\"token function\">on_pushButton_clicked<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><br \/>\n<span class=\"token punctuation\">{<\/span><br \/>\n    emit this<span class=\"token operator\">-&gt;<\/span><span class=\"token function\">back<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><span class=\"token comment\">\/\/\u53d1\u9001\u4fe1\u53f7<\/span><br \/>\n<span class=\"token punctuation\">}<\/span><\/p>\n<p><span class=\"token keyword\">void<\/span> MainWindow<span class=\"token operator\">::<\/span><span class=\"token function\">on_pushButton_2_clicked<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><br \/>\n<span class=\"token punctuation\">{<\/span><\/p>\n<p><span class=\"token punctuation\">}<\/span><\/p>\n<p>\u4e0b\u9762\u662flibeventuse.h<\/p>\n<p><span class=\"token macro property\"><span class=\"token directive-hash\">#<\/span><span class=\"token directive keyword\">ifndef<\/span> <span class=\"token expression\">LIBEVENTUSE_H<\/span><\/span><br \/>\n<span class=\"token macro property\"><span class=\"token directive-hash\">#<\/span><span class=\"token directive keyword\">define<\/span> <span class=\"token macro-name\">LIBEVENTUSE_H<\/span><\/span><br \/>\nclass libeventuse<br \/>\n<span class=\"token punctuation\">{<\/span><br \/>\npublic<span class=\"token operator\">:<\/span><br \/>\n    <span class=\"token function\">libeventuse<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n<span class=\"token punctuation\">}<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p><span class=\"token macro property\"><span class=\"token directive-hash\">#<\/span><span class=\"token directive keyword\">endif<\/span> <span class=\"token comment\">\/\/ LIBEVENTUSE_H<\/span><\/span><\/p>\n<p>\u4e0b\u9762\u662fmainwindow.h<\/p>\n<p><span class=\"token macro property\"><span class=\"token directive-hash\">#<\/span><span class=\"token directive keyword\">ifndef<\/span> <span class=\"token expression\">MAINWINDOW_H<\/span><\/span><br \/>\n<span class=\"token macro property\"><span class=\"token directive-hash\">#<\/span><span class=\"token directive keyword\">define<\/span> <span class=\"token macro-name\">MAINWINDOW_H<\/span><\/span><\/p>\n<p><span class=\"token macro property\"><span class=\"token directive-hash\">#<\/span><span class=\"token directive keyword\">include<\/span> <span class=\"token string\">&lt;QMainWindow&gt;<\/span><\/span><br \/>\nnamespace Ui <span class=\"token punctuation\">{<\/span><br \/>\nclass Form<span class=\"token punctuation\">;<\/span><br \/>\n<span class=\"token punctuation\">}<\/span><\/p>\n<p>class Form <span class=\"token operator\">:<\/span> public QWidget<br \/>\n<span class=\"token punctuation\">{<\/span><br \/>\n    Q_OBJECT<\/p>\n<p>public<span class=\"token operator\">:<\/span><br \/>\n    explicit <span class=\"token function\">Form<\/span><span class=\"token punctuation\">(<\/span>QWidget <span class=\"token operator\">*<\/span>parent <span class=\"token operator\">&#061;<\/span> <span class=\"token number\">0<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token operator\">~<\/span><span class=\"token function\">Form<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p>private slots<span class=\"token operator\">:<\/span><br \/>\n    <span class=\"token keyword\">void<\/span> <span class=\"token function\">on_pushButton_clicked<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\nsignals<span class=\"token operator\">:<\/span><br \/>\n    <span class=\"token keyword\">void<\/span> <span class=\"token function\">back<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\nprivate<span class=\"token operator\">:<\/span><br \/>\n    Ui<span class=\"token operator\">::<\/span>Form <span class=\"token operator\">*<\/span>ui<span class=\"token punctuation\">;<\/span><br \/>\n<span class=\"token punctuation\">}<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p><span class=\"token macro property\"><span class=\"token directive-hash\">#<\/span><span class=\"token directive keyword\">include<\/span> <span class=\"token string\">&lt;QThread&gt;<\/span><\/span><br \/>\nclass WorkThread <span class=\"token operator\">:<\/span> public QThread <span class=\"token punctuation\">{<\/span><br \/>\n    Q_OBJECT  <span class=\"token comment\">\/\/ \u5fc5\u987b\u6dfb\u52a0&#xff01;&#xff01;&#xff01;<\/span><br \/>\npublic<span class=\"token operator\">:<\/span><br \/>\n    explicit <span class=\"token function\">WorkThread<\/span><span class=\"token punctuation\">(<\/span>QObject <span class=\"token operator\">*<\/span>parent <span class=\"token operator\">&#061;<\/span> nullptr<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\nprotected<span class=\"token operator\">:<\/span><br \/>\n    <span class=\"token keyword\">void<\/span> <span class=\"token function\">run<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span> override<span class=\"token punctuation\">;<\/span>  <span class=\"token comment\">\/\/ \u865a\u51fd\u6570\u58f0\u660e<\/span><br \/>\nsignals<span class=\"token operator\">:<\/span><br \/>\n<span class=\"token keyword\">void<\/span> <span class=\"token function\">WorkThread_signal<\/span><span class=\"token punctuation\">(<\/span><span class=\"token keyword\">int<\/span> b<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><span class=\"token comment\">\/\/\u81ea\u5b9a\u4e49\u7684\u4fe1\u53f7<\/span><br \/>\n<span class=\"token keyword\">void<\/span> <span class=\"token function\">server_finish<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n<span class=\"token punctuation\">}<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p>namespace Ui <span class=\"token punctuation\">{<\/span><br \/>\nclass MainWindow<span class=\"token punctuation\">;<\/span><br \/>\n<span class=\"token punctuation\">}<\/span><br \/>\nclass MainWindow <span class=\"token operator\">:<\/span> public QMainWindow<br \/>\n<span class=\"token punctuation\">{<\/span><br \/>\n    Q_OBJECT<\/p>\n<p>public<span class=\"token operator\">:<\/span><br \/>\n    explicit <span class=\"token function\">MainWindow<\/span><span class=\"token punctuation\">(<\/span>QWidget <span class=\"token operator\">*<\/span>parent <span class=\"token operator\">&#061;<\/span> <span class=\"token number\">0<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token operator\">~<\/span><span class=\"token function\">MainWindow<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n   Form<span class=\"token operator\">*<\/span> login_win<span class=\"token operator\">&#061;<\/span>nullptr<span class=\"token punctuation\">;<\/span><br \/>\n   WorkThread<span class=\"token operator\">*<\/span>workthread<span class=\"token operator\">&#061;<\/span>nullptr<span class=\"token punctuation\">;<\/span><br \/>\nprivate slots<span class=\"token operator\">:<\/span><br \/>\n   <span class=\"token keyword\">void<\/span> <span class=\"token function\">on_pushButton_clicked<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n   <span class=\"token keyword\">void<\/span> <span class=\"token function\">on_pushButton_2_clicked<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p>private<span class=\"token operator\">:<\/span><br \/>\n    Ui<span class=\"token operator\">::<\/span>MainWindow <span class=\"token operator\">*<\/span>ui<span class=\"token punctuation\">;<\/span><br \/>\n<span class=\"token punctuation\">}<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p><span class=\"token macro property\"><span class=\"token directive-hash\">#<\/span><span class=\"token directive keyword\">endif<\/span> <span class=\"token comment\">\/\/ MAINWINDOW_H<\/span><\/span><\/p>\n<p>pro\u6587\u4ef6\u7684\u914d\u7f6e <img decoding=\"async\" src=\"https:\/\/www.wsisp.com\/helps\/wp-content\/uploads\/2025\/04\/20250418170247-680285b7d48cd.png\" alt=\"\u5728\u8fd9\u91cc\u63d2\u5165\u56fe\u7247\u63cf\u8ff0\" \/><\/p>\n<h2>\u6f14\u793a\u89c6\u9891<\/h2>\n<\/p>\n<p>20250415_153450<\/p>\n<\/p>\n<p>\u6211\u89c6\u9891\u7b2c\u4e00\u90e8\u5206\u5c55\u793a\u4e86\u5982\u4f55\u5728qt\u521b\u5efa\u7a97\u53e3 \u89c6\u9891\u7b2c\u4e8c\u90e8\u5206\u5c55\u793a\u4e86\u5ba2\u6237\u7aef\u8fde\u63a5\u5230\u670d\u52a1\u5668\u540e\u4f1a\u63a5\u6536\u5230hello world \u89c6\u9891\u7b49\u5ba1\u6838\u8fc7\u4e86\u6211\u518d\u653e\u4e0a\u6765 \u5ba1\u6838\u6ca1\u8fc7\u6211\u5c31\u53d1\u6548\u679c\u56fe <img decoding=\"async\" src=\"https:\/\/www.wsisp.com\/helps\/wp-content\/uploads\/2025\/04\/20250418170247-680285b7f311e.png\" alt=\"\u5728\u8fd9\u91cc\u63d2\u5165\u56fe\u7247\u63cf\u8ff0\" \/><\/p>\n<h2>qt\u7684\u4e00\u4e9b\u77e5\u8bc6<\/h2>\n<p><img decoding=\"async\" src=\"https:\/\/www.wsisp.com\/helps\/wp-content\/uploads\/2025\/04\/20250418170248-680285b82b566.png\" alt=\"\u5728\u8fd9\u91cc\u63d2\u5165\u56fe\u7247\u63cf\u8ff0\" \/> 1.\u4fe1\u53f7\u7684\u683c\u5f0f signals: void WorkThread_signal(int b);\/\/\u81ea\u5b9a\u4e49\u7684\u4fe1\u53f7 2.\u6ce8\u610f\u4e8b\u9879&#xff0c;\u9700\u8981\u5206\u5199\u5165Q_OBJECT\u624d\u80fd\u8fd9\u4e48\u5b9a\u4e49 3.\u4fe1\u53f7\u53d1\u9001\u4f7f\u7528 emit \u53d1\u9001 <img decoding=\"async\" src=\"https:\/\/www.wsisp.com\/helps\/wp-content\/uploads\/2025\/04\/20250418170248-680285b842a92.png\" alt=\"\u5728\u8fd9\u91cc\u63d2\u5165\u56fe\u7247\u63cf\u8ff0\" \/> 4.\u4f7f\u7528connect\u69fd\u51fd\u6570\u6765\u7ed1\u5b9a\u4fe1\u53f7\u8981\u5904\u7406\u7684\u903b\u8f91 <img decoding=\"async\" src=\"https:\/\/www.wsisp.com\/helps\/wp-content\/uploads\/2025\/04\/20250418170248-680285b8553a5.png\" alt=\"\u5728\u8fd9\u91cc\u63d2\u5165\u56fe\u7247\u63cf\u8ff0\" \/><\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u6587\u7ae0\u6d4f\u89c8\u9605\u8bfb995\u6b21\uff0c\u70b9\u8d5e31\u6b21\uff0c\u6536\u85cf11\u6b21\u3002\u672c\u7ae0\u4e3b\u8981\u8bb2\u89e3\u5982\u4f55\u4f7f\u7528qt\u6765\u7ed9\u670d\u52a1\u5668\u6dfb\u52a0\u754c\u9762\uff0c\u5e76\u9644\u5e26\u6e90\u7801\uff0c\u670d\u52a1\u5668\u4f7f\u7528libevent\u6765\u521b\u5efa\uff0c\u5f53\u5ba2\u6237\u7aef\u8bbf\u95ee\u5b83\u65f6\u4f1a\u53d1\u9001hello world\u7ed9\u5ba2\u6237\u7aef\uff0c\u7aef\u53e3\u53f7\u662f9995\uff0c\u8fd9\u7bc7\u6587\u7ae0\u4e5f\u4f1a\u4ecb\u7ecdqt\u7684\u69fd\u51fd\u6570\uff0c\u4fe1\u53f7\u7684\u4f7f\u7528<\/p>\n","protected":false},"author":2,"featured_media":18571,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[55,218,292,43,1363],"topic":[],"class_list":["post-18586","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-server","tag-c","tag-qt","tag-292","tag-43","tag-1363"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v20.3 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>libevent\u670d\u52a1\u5668\u9644\u5e26qt\u754c\u9762\u5f00\u53d1\uff08\u9644\u5e26\u6e90\u7801\uff09 - \u7f51\u7855\u4e92\u8054\u5e2e\u52a9\u4e2d\u5fc3<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/www.wsisp.com\/helps\/18586.html\" \/>\n<meta property=\"og:locale\" content=\"zh_CN\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"libevent\u670d\u52a1\u5668\u9644\u5e26qt\u754c\u9762\u5f00\u53d1\uff08\u9644\u5e26\u6e90\u7801\uff09 - \u7f51\u7855\u4e92\u8054\u5e2e\u52a9\u4e2d\u5fc3\" \/>\n<meta property=\"og:description\" content=\"\u6587\u7ae0\u6d4f\u89c8\u9605\u8bfb995\u6b21\uff0c\u70b9\u8d5e31\u6b21\uff0c\u6536\u85cf11\u6b21\u3002\u672c\u7ae0\u4e3b\u8981\u8bb2\u89e3\u5982\u4f55\u4f7f\u7528qt\u6765\u7ed9\u670d\u52a1\u5668\u6dfb\u52a0\u754c\u9762\uff0c\u5e76\u9644\u5e26\u6e90\u7801\uff0c\u670d\u52a1\u5668\u4f7f\u7528libevent\u6765\u521b\u5efa\uff0c\u5f53\u5ba2\u6237\u7aef\u8bbf\u95ee\u5b83\u65f6\u4f1a\u53d1\u9001hello 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