{"id":59671,"date":"2024-10-12T23:52:18","date_gmt":"2024-10-12T15:52:18","guid":{"rendered":"https:\/\/server.hk\/cnblog\/59671\/"},"modified":"2024-10-12T23:52:18","modified_gmt":"2024-10-12T15:52:18","slug":"c%e8%aa%9e%e8%a8%80%e7%b7%a8%e7%a8%8b%ef%bc%9a%e5%88%a9%e7%94%a8%e4%ba%8b%e4%bb%b6%e5%82%b3%e9%81%9e%e5%af%a6%e7%8f%be%e9%ab%98%e6%95%88%e6%95%b8%e6%93%9a%e5%ba%ab%e6%93%8d%e4%bd%9c-c%e9%80%9a","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/59671\/","title":{"rendered":"C\u8a9e\u8a00\u7de8\u7a0b\uff1a\u5229\u7528\u4e8b\u4ef6\u50b3\u905e\u5be6\u73fe\u9ad8\u6548\u6578\u64da\u5eab\u64cd\u4f5c (c\u901a\u904e\u4e8b\u4ef6\u50b3\u905e\u6578\u64da\u5eab)"},"content":{"rendered":"<h1 id=\"c%e8%aa%9e%e8%a8%80%e7%b7%a8%e7%a8%8b%ef%bc%9a%e5%88%a9%e7%94%a8%e4%ba%8b%e4%bb%b6%e5%82%b3%e9%81%9e%e5%af%a6%e7%8f%be%e9%ab%98%e6%95%88%e6%95%b8%e6%93%9a%e5%ba%ab%e6%93%8d%e4%bd%9c-zgTaaULONu\">C\u8a9e\u8a00\u7de8\u7a0b\uff1a\u5229\u7528\u4e8b\u4ef6\u50b3\u905e\u5be6\u73fe\u9ad8\u6548\u6578\u64da\u5eab\u64cd\u4f5c<\/h1>\n<p>\u5728\u7576\u4eca\u7684\u8edf\u4ef6\u958b\u767c\u4e2d\uff0c\u6578\u64da\u5eab\u64cd\u4f5c\u7684\u6548\u7387\u5c0d\u65bc\u61c9\u7528\u7a0b\u5e8f\u7684\u6027\u80fd\u81f3\u95dc\u91cd\u8981\u3002C\u8a9e\u8a00\u4f5c\u70ba\u4e00\u7a2e\u9ad8\u6548\u7684\u7de8\u7a0b\u8a9e\u8a00\uff0c\u63d0\u4f9b\u4e86\u591a\u7a2e\u65b9\u6cd5\u4f86\u512a\u5316\u6578\u64da\u5eab\u64cd\u4f5c\u3002\u5176\u4e2d\uff0c\u4e8b\u4ef6\u50b3\u905e\u6280\u8853\u662f\u4e00\u7a2e\u6709\u6548\u7684\u624b\u6bb5\uff0c\u53ef\u4ee5\u5e6b\u52a9\u958b\u767c\u8005\u5728\u9032\u884c\u6578\u64da\u5eab\u64cd\u4f5c\u6642\u63d0\u9ad8\u6548\u7387\u3002\u672c\u6587\u5c07\u63a2\u8a0e\u5982\u4f55\u5229\u7528\u4e8b\u4ef6\u50b3\u905e\u4f86\u5be6\u73fe\u9ad8\u6548\u7684\u6578\u64da\u5eab\u64cd\u4f5c\u3002<\/p>\n<h2 id=\"%e4%bb%80%e9%ba%bc%e6%98%af%e4%ba%8b%e4%bb%b6%e5%82%b3%e9%81%9e%ef%bc%9f-zgTaaULONu\">\u4ec0\u9ebc\u662f\u4e8b\u4ef6\u50b3\u905e\uff1f<\/h2>\n<p>\u4e8b\u4ef6\u50b3\u905e\u662f\u4e00\u7a2e\u8a2d\u8a08\u6a21\u5f0f\uff0c\u5141\u8a31\u5c0d\u8c61\u4e4b\u9593\u9032\u884c\u901a\u4fe1\u800c\u4e0d\u9700\u8981\u76f4\u63a5\u5f15\u7528\u3002\u9019\u7a2e\u6a21\u5f0f\u901a\u5e38\u7528\u65bcGUI\u61c9\u7528\u7a0b\u5e8f\u4e2d\uff0c\u4f46\u5728\u6578\u64da\u5eab\u64cd\u4f5c\u4e2d\u540c\u6a23\u9069\u7528\u3002\u901a\u904e\u4e8b\u4ef6\u50b3\u905e\uff0c\u958b\u767c\u8005\u53ef\u4ee5\u5728\u6578\u64da\u5eab\u64cd\u4f5c\u5b8c\u6210\u5f8c\u89f8\u767c\u76f8\u61c9\u7684\u4e8b\u4ef6\uff0c\u5f9e\u800c\u5be6\u73fe\u975e\u963b\u585e\u7684\u64cd\u4f5c\u3002<\/p>\n<h2 id=\"%e4%ba%8b%e4%bb%b6%e5%82%b3%e9%81%9e%e7%9a%84%e5%9f%ba%e6%9c%ac%e5%8e%9f%e7%90%86-zgTaaULONu\">\u4e8b\u4ef6\u50b3\u905e\u7684\u57fa\u672c\u539f\u7406<\/h2>\n<p>\u4e8b\u4ef6\u50b3\u905e\u7684\u57fa\u672c\u539f\u7406\u662f\u4f7f\u7528\u4e8b\u4ef6\u6e90\u548c\u4e8b\u4ef6\u76e3\u807d\u5668\u3002\u4e8b\u4ef6\u6e90\u662f\u89f8\u767c\u4e8b\u4ef6\u7684\u5c0d\u8c61\uff0c\u800c\u4e8b\u4ef6\u76e3\u807d\u5668\u5247\u662f\u5c0d\u4e8b\u4ef6\u9032\u884c\u97ff\u61c9\u7684\u5c0d\u8c61\u3002\u5728C\u8a9e\u8a00\u4e2d\uff0c\u9019\u53ef\u4ee5\u901a\u904e\u51fd\u6578\u6307\u91dd\u4f86\u5be6\u73fe\u3002<\/p>\n<h3 id=\"%e7%a4%ba%e4%be%8b%ef%bc%9a%e5%9f%ba%e6%9c%ac%e7%9a%84%e4%ba%8b%e4%bb%b6%e5%82%b3%e9%81%9e%e5%af%a6%e7%8f%be-zgTaaULONu\">\u793a\u4f8b\uff1a\u57fa\u672c\u7684\u4e8b\u4ef6\u50b3\u905e\u5be6\u73fe<\/h3>\n<pre><code>\n#include &lt;stdio.h&gt;\n#include &lt;stdlib.h&gt;\n\ntypedef void (*EventHandler)(int);\n\ntypedef struct {\n    EventHandler handler;\n} Event;\n\nvoid onDatabaseOperationComplete(int result) {\n    printf(\"\u6578\u64da\u5eab\u64cd\u4f5c\u5b8c\u6210\uff0c\u7d50\u679c\uff1a%dn\", result);\n}\n\nvoid performDatabaseOperation(Event *event) {\n    \/\/ \u6a21\u64ec\u6578\u64da\u5eab\u64cd\u4f5c\n    int result = rand() % 100; \/\/ \u96a8\u6a5f\u751f\u6210\u7d50\u679c\n    if (event-&gt;handler) {\n        event-&gt;handler(result); \/\/ \u89f8\u767c\u4e8b\u4ef6\n    }\n}\n\nint main() {\n    Event event;\n    event.handler = onDatabaseOperationComplete;\n\n    performDatabaseOperation(&amp;event);\n    return 0;\n}\n<\/code><\/pre>\n<p>\u5728\u4e0a\u8ff0\u793a\u4f8b\u4e2d\uff0c\u6211\u5011\u5b9a\u7fa9\u4e86\u4e00\u500b\u4e8b\u4ef6\u7d50\u69cb\uff0c\u4e26\u4f7f\u7528\u51fd\u6578\u6307\u91dd\u4f86\u6307\u5b9a\u4e8b\u4ef6\u8655\u7406\u7a0b\u5e8f\u3002\u7576\u6578\u64da\u5eab\u64cd\u4f5c\u5b8c\u6210\u6642\uff0c\u5c07\u96a8\u6a5f\u751f\u6210\u4e00\u500b\u7d50\u679c\u4e26\u89f8\u767c\u4e8b\u4ef6\uff0c\u5f9e\u800c\u8abf\u7528\u76f8\u61c9\u7684\u8655\u7406\u7a0b\u5e8f\u3002<\/p>\n<h2 id=\"%e4%ba%8b%e4%bb%b6%e5%82%b3%e9%81%9e%e5%9c%a8%e6%95%b8%e6%93%9a%e5%ba%ab%e6%93%8d%e4%bd%9c%e4%b8%ad%e7%9a%84%e6%87%89%e7%94%a8-zgTaaULONu\">\u4e8b\u4ef6\u50b3\u905e\u5728\u6578\u64da\u5eab\u64cd\u4f5c\u4e2d\u7684\u61c9\u7528<\/h2>\n<p>\u5728\u5be6\u969b\u61c9\u7528\u4e2d\uff0c\u4e8b\u4ef6\u50b3\u905e\u53ef\u4ee5\u7528\u65bc\u591a\u7a2e\u6578\u64da\u5eab\u64cd\u4f5c\uff0c\u4f8b\u5982\u63d2\u5165\u3001\u66f4\u65b0\u548c\u522a\u9664\u6578\u64da\u3002\u901a\u904e\u5c07\u9019\u4e9b\u64cd\u4f5c\u5c01\u88dd\u5728\u4e8b\u4ef6\u4e2d\uff0c\u958b\u767c\u8005\u53ef\u4ee5\u5be6\u73fe\u66f4\u9748\u6d3b\u7684\u6578\u64da\u5eab\u4ea4\u4e92\u3002<\/p>\n<h3 id=\"%e7%a4%ba%e4%be%8b%ef%bc%9a%e6%8f%92%e5%85%a5%e6%95%b8%e6%93%9a%e7%9a%84%e4%ba%8b%e4%bb%b6%e5%82%b3%e9%81%9e-zgTaaULONu\">\u793a\u4f8b\uff1a\u63d2\u5165\u6578\u64da\u7684\u4e8b\u4ef6\u50b3\u905e<\/h3>\n<pre><code>\nvoid onInsertComplete(int result) {\n    printf(\"\u6578\u64da\u63d2\u5165\u5b8c\u6210\uff0c\u7d50\u679c\uff1a%dn\", result);\n}\n\nvoid insertData(Event *event) {\n    \/\/ \u6a21\u64ec\u6578\u64da\u63d2\u5165\u64cd\u4f5c\n    int result = rand() % 100; \/\/ \u96a8\u6a5f\u751f\u6210\u7d50\u679c\n    if (event-&gt;handler) {\n        event-&gt;handler(result); \/\/ \u89f8\u767c\u4e8b\u4ef6\n    }\n}\n\nint main() {\n    Event insertEvent;\n    insertEvent.handler = onInsertComplete;\n\n    insertData(&amp;insertEvent);\n    return 0;\n}\n<\/code><\/pre>\n<p>\u5728\u9019\u500b\u793a\u4f8b\u4e2d\uff0c\u6211\u5011\u5b9a\u7fa9\u4e86\u4e00\u500b\u63d2\u5165\u6578\u64da\u7684\u4e8b\u4ef6\uff0c\u4e26\u5728\u63d2\u5165\u64cd\u4f5c\u5b8c\u6210\u5f8c\u89f8\u767c\u76f8\u61c9\u7684\u4e8b\u4ef6\u8655\u7406\u7a0b\u5e8f\u3002\u9019\u6a23\u7684\u8a2d\u8a08\u4f7f\u5f97\u6578\u64da\u5eab\u64cd\u4f5c\u66f4\u52a0\u6a21\u7d44\u5316\uff0c\u4fbf\u65bc\u7dad\u8b77\u548c\u64f4\u5c55\u3002<\/p>\n<h2 id=\"%e7%b8%bd%e7%b5%90-zgTaaULONu\">\u7e3d\u7d50<\/h2>\n<p>\u5229\u7528\u4e8b\u4ef6\u50b3\u905e\u6280\u8853\uff0cC\u8a9e\u8a00\u958b\u767c\u8005\u53ef\u4ee5\u5be6\u73fe\u9ad8\u6548\u7684\u6578\u64da\u5eab\u64cd\u4f5c\u3002\u9019\u7a2e\u65b9\u6cd5\u4e0d\u50c5\u63d0\u9ad8\u4e86\u4ee3\u78bc\u7684\u53ef\u8b80\u6027\u548c\u53ef\u7dad\u8b77\u6027\uff0c\u9084\u80fd\u5920\u5728\u6578\u64da\u5eab\u64cd\u4f5c\u5b8c\u6210\u5f8c\u9032\u884c\u975e\u963b\u585e\u7684\u4e8b\u4ef6\u97ff\u61c9\u3002\u96a8\u8457\u5c0d\u6578\u64da\u5eab\u64cd\u4f5c\u9700\u6c42\u7684\u589e\u52a0\uff0c\u638c\u63e1\u9019\u7a2e\u6280\u8853\u5c07\u5c0d\u958b\u767c\u8005\u7684\u5de5\u4f5c\u5927\u6709\u88e8\u76ca\u3002<\/p>\n<p>\u5982\u679c\u60a8\u6b63\u5728\u5c0b\u627e\u9ad8\u6548\u7684 <a href=\"https:\/\/server.hk\">VPS<\/a> \u89e3\u6c7a\u65b9\u6848\u4f86\u652f\u6301\u60a8\u7684\u6578\u64da\u5eab\u64cd\u4f5c\uff0cServer.HK \u63d0\u4f9b\u591a\u7a2e\u9078\u64c7\uff0c\u6eff\u8db3\u4e0d\u540c\u9700\u6c42\u7684\u5ba2\u6236\u3002\u7121\u8ad6\u662f <a href=\"https:\/\/server.hk\">\u9999\u6e2fVPS<\/a> \u9084\u662f\u5176\u4ed6\u670d\u52d9\uff0c\u6211\u5011\u90fd\u80fd\u70ba\u60a8\u63d0\u4f9b\u7a69\u5b9a\u7684\u652f\u6301\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u63a2\u7d22C\u8a9e\u8a00\u7de8\u7a0b\u4e2d\u5982\u4f55\u901a\u904e\u4e8b\u4ef6\u50b3\u905e\u6280\u8853\u5be6\u73fe\u9ad8\u6548\u7684\u6578\u64da\u5eab\u64cd\u4f5c\uff0c\u63d0\u5347\u6027\u80fd\u8207\u97ff\u61c9\u901f\u5ea6\u3002<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[101],"tags":[],"class_list":["post-59671","post","type-post","status-publish","format-standard","hentry","category-database"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/59671","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/comments?post=59671"}],"version-history":[{"count":1,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/59671\/revisions"}],"predecessor-version":[{"id":59672,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/59671\/revisions\/59672"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=59671"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=59671"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=59671"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}