{"id":97142,"date":"2024-10-20T15:21:17","date_gmt":"2024-10-20T07:21:17","guid":{"rendered":"https:\/\/server.hk\/cnblog\/97142\/"},"modified":"2024-10-20T15:21:17","modified_gmt":"2024-10-20T07:21:17","slug":"qt%e7%99%bc%e5%b8%83%e9%81%87%e5%88%b0%e6%95%b8%e6%93%9a%e5%ba%ab%e9%80%a3%e6%8e%a5%e5%95%8f%e9%a1%8c-qt%e7%99%bc%e5%b8%83%e9%80%a3%e4%b8%8d%e4%b8%8a%e6%95%b8%e6%93%9a%e5%ba%ab","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/97142\/","title":{"rendered":"Qt\u767c\u5e03\u9047\u5230\u6578\u64da\u5eab\u9023\u63a5\u554f\u984c (qt\u767c\u5e03\u9023\u4e0d\u4e0a\u6578\u64da\u5eab)"},"content":{"rendered":"<h1 id=\"qt%e7%99%bc%e5%b8%83%e9%81%87%e5%88%b0%e6%95%b8%e6%93%9a%e5%ba%ab%e9%80%a3%e6%8e%a5%e5%95%8f%e9%a1%8c-qt%e7%99%bc%e5%b8%83%e9%80%a3%e4%b8%8d%e4%b8%8a%e6%95%b8%e6%93%9a%e5%ba%ab-NoYzQMDMQu\">Qt\u767c\u5e03\u9047\u5230\u6578\u64da\u5eab\u9023\u63a5\u554f\u984c (qt\u767c\u5e03\u9023\u4e0d\u4e0a\u6578\u64da\u5eab)<\/h1>\n<p>\u5728\u4f7f\u7528Qt\u9032\u884c\u61c9\u7528\u7a0b\u5e8f\u958b\u767c\u6642\uff0c\u6578\u64da\u5eab\u9023\u63a5\u554f\u984c\u662f\u958b\u767c\u8005\u7d93\u5e38\u9047\u5230\u7684\u6311\u6230\u4e4b\u4e00\u3002\u7121\u8ad6\u662f\u4f7f\u7528SQLite\u3001MySQL\u9084\u662fPostgreSQL\uff0c\u9019\u4e9b\u554f\u984c\u90fd\u53ef\u80fd\u5c0e\u81f4\u61c9\u7528\u7a0b\u5e8f\u7121\u6cd5\u6b63\u5e38\u904b\u884c\u3002\u672c\u6587\u5c07\u63a2\u8a0eQt\u767c\u5e03\u904e\u7a0b\u4e2d\u53ef\u80fd\u51fa\u73fe\u7684\u6578\u64da\u5eab\u9023\u63a5\u554f\u984c\u53ca\u5176\u89e3\u6c7a\u65b9\u6848\u3002<\/p>\n<h2 id=\"%e5%b8%b8%e8%a6%8b%e7%9a%84%e6%95%b8%e6%93%9a%e5%ba%ab%e9%80%a3%e6%8e%a5%e5%95%8f%e9%a1%8c-NoYzQMDMQu\">\u5e38\u898b\u7684\u6578\u64da\u5eab\u9023\u63a5\u554f\u984c<\/h2>\n<p>\u5728Qt\u61c9\u7528\u7a0b\u5e8f\u4e2d\uff0c\u6578\u64da\u5eab\u9023\u63a5\u554f\u984c\u901a\u5e38\u8868\u73fe\u70ba\u4ee5\u4e0b\u5e7e\u7a2e\u60c5\u6cc1\uff1a<\/p>\n<ul>\n<li>\u7121\u6cd5\u627e\u5230\u6578\u64da\u5eab\u9a45\u52d5\u7a0b\u5e8f<\/li>\n<li>\u9023\u63a5\u53c3\u6578\u914d\u7f6e\u932f\u8aa4<\/li>\n<li>\u9632\u706b\u7246\u6216\u7db2\u7d61\u554f\u984c<\/li>\n<li>\u6578\u64da\u5eab\u670d\u52d9\u672a\u555f\u52d5<\/li>\n<\/ul>\n<h3 id=\"1-%e7%84%a1%e6%b3%95%e6%89%be%e5%88%b0%e6%95%b8%e6%93%9a%e5%ba%ab%e9%a9%85%e5%8b%95%e7%a8%8b%e5%ba%8f-NoYzQMDMQu\">1. \u7121\u6cd5\u627e\u5230\u6578\u64da\u5eab\u9a45\u52d5\u7a0b\u5e8f<\/h3>\n<p>\u7576Qt\u61c9\u7528\u7a0b\u5e8f\u7121\u6cd5\u627e\u5230\u76f8\u61c9\u7684\u6578\u64da\u5eab\u9a45\u52d5\u7a0b\u5e8f\u6642\uff0c\u901a\u5e38\u6703\u51fa\u73fe\u4ee5\u4e0b\u932f\u8aa4\u4fe1\u606f\uff1a<\/p>\n<pre><code>QSqlDatabase: QMYSQL driver not loaded<\/code><\/pre>\n<p>\u9019\u901a\u5e38\u662f\u56e0\u70ba\u5728\u767c\u5e03\u61c9\u7528\u7a0b\u5e8f\u6642\uff0c\u7f3a\u5c11\u5fc5\u8981\u7684\u9a45\u52d5\u7a0b\u5e8f\u6587\u4ef6\u3002\u89e3\u6c7a\u6b64\u554f\u984c\u7684\u65b9\u6cd5\u662f\u78ba\u4fdd\u5728\u61c9\u7528\u7a0b\u5e8f\u7684\u767c\u5e03\u76ee\u9304\u4e2d\u5305\u542b\u76f8\u61c9\u7684\u9a45\u52d5\u7a0b\u5e8f\u6587\u4ef6\u3002\u5c0d\u65bcMySQL\uff0c\u60a8\u9700\u8981\u5c07\u4ee5\u4e0b\u6587\u4ef6\u8907\u88fd\u5230\u61c9\u7528\u7a0b\u5e8f\u76ee\u9304\uff1a<\/p>\n<ul>\n<li>qsqlmysql.dll<\/li>\n<li>libmysql.dll<\/li>\n<\/ul>\n<h3 id=\"2-%e9%80%a3%e6%8e%a5%e5%8f%83%e6%95%b8%e9%85%8d%e7%bd%ae%e9%8c%af%e8%aa%a4-NoYzQMDMQu\">2. \u9023\u63a5\u53c3\u6578\u914d\u7f6e\u932f\u8aa4<\/h3>\n<p>\u5728\u9023\u63a5\u6578\u64da\u5eab\u6642\uff0c\u5fc5\u9808\u6b63\u78ba\u914d\u7f6e\u9023\u63a5\u53c3\u6578\uff0c\u5305\u62ec\u6578\u64da\u5eab\u540d\u7a31\u3001\u7528\u6236\u540d\u3001\u5bc6\u78bc\u548c\u4e3b\u6a5f\u5730\u5740\u3002\u4ee5\u4e0b\u662f\u4e00\u500b\u793a\u4f8b\u4ee3\u78bc\uff1a<\/p>\n<pre><code>\nQSqlDatabase db = QSqlDatabase::addDatabase(\"QMYSQL\");\ndb.setHostName(\"localhost\");\ndb.setDatabaseName(\"testdb\");\ndb.setUserName(\"user\");\ndb.setPassword(\"password\");\n\nif (!db.open()) {\n    qDebug() &lt;&lt; &quot;\u7121\u6cd5\u9023\u63a5\u6578\u64da\u5eab\uff1a&quot; &lt;&lt; db.lastError().text();\n}\n<\/code><\/pre>\n<p>\u5982\u679c\u9019\u4e9b\u53c3\u6578\u4e0d\u6b63\u78ba\uff0c\u5247\u6703\u5c0e\u81f4\u9023\u63a5\u5931\u6557\u3002\u8acb\u4ed4\u7d30\u6aa2\u67e5\u9019\u4e9b\u53c3\u6578\uff0c\u78ba\u4fdd\u5b83\u5011\u8207\u6578\u64da\u5eab\u7684\u8a2d\u7f6e\u4e00\u81f4\u3002<\/p>\n<h3 id=\"3-%e9%98%b2%e7%81%ab%e7%89%86%e6%88%96%e7%b6%b2%e7%b5%a1%e5%95%8f%e9%a1%8c-NoYzQMDMQu\">3. \u9632\u706b\u7246\u6216\u7db2\u7d61\u554f\u984c<\/h3>\n<p>\u5728\u67d0\u4e9b\u60c5\u6cc1\u4e0b\uff0c\u9632\u706b\u7246\u53ef\u80fd\u6703\u963b\u6b62\u61c9\u7528\u7a0b\u5e8f\u8a2a\u554f\u6578\u64da\u5eab\u670d\u52d9\u5668\u3002\u78ba\u4fdd\u9632\u706b\u7246\u8a2d\u7f6e\u5141\u8a31\u61c9\u7528\u7a0b\u5e8f\u7684\u8a2a\u554f\u3002\u60a8\u53ef\u4ee5\u901a\u904e\u4ee5\u4e0b\u547d\u4ee4\u6aa2\u67e5\u7aef\u53e3\u662f\u5426\u958b\u653e\uff1a<\/p>\n<pre><code>telnet  <\/code><\/pre>\n<p>\u5982\u679c\u7121\u6cd5\u9023\u63a5\uff0c\u5247\u9700\u8981\u6aa2\u67e5\u9632\u706b\u7246\u8a2d\u7f6e\u6216\u7db2\u7d61\u914d\u7f6e\u3002<\/p>\n<h3 id=\"4-%e6%95%b8%e6%93%9a%e5%ba%ab%e6%9c%8d%e5%8b%99%e6%9c%aa%e5%95%9f%e5%8b%95-NoYzQMDMQu\">4. \u6578\u64da\u5eab\u670d\u52d9\u672a\u555f\u52d5<\/h3>\n<p>\u6700\u5f8c\uff0c\u78ba\u4fdd\u6578\u64da\u5eab\u670d\u52d9\u6b63\u5728\u904b\u884c\u3002\u60a8\u53ef\u4ee5\u901a\u904e\u4ee5\u4e0b\u547d\u4ee4\u6aa2\u67e5MySQL\u670d\u52d9\u7684\u72c0\u614b\uff1a<\/p>\n<pre><code>systemctl status mysql<\/code><\/pre>\n<p>\u5982\u679c\u670d\u52d9\u672a\u555f\u52d5\uff0c\u8acb\u4f7f\u7528\u4ee5\u4e0b\u547d\u4ee4\u555f\u52d5\u5b83\uff1a<\/p>\n<pre><code>systemctl start mysql<\/code><\/pre>\n<h2 id=\"%e7%b8%bd%e7%b5%90-NoYzQMDMQu\">\u7e3d\u7d50<\/h2>\n<p>\u5728Qt\u61c9\u7528\u7a0b\u5e8f\u7684\u767c\u5e03\u904e\u7a0b\u4e2d\uff0c\u6578\u64da\u5eab\u9023\u63a5\u554f\u984c\u53ef\u80fd\u6703\u5f71\u97ff\u61c9\u7528\u7a0b\u5e8f\u7684\u6b63\u5e38\u904b\u884c\u3002\u901a\u904e\u6aa2\u67e5\u9a45\u52d5\u7a0b\u5e8f\u3001\u9023\u63a5\u53c3\u6578\u3001\u9632\u706b\u7246\u8a2d\u7f6e\u4ee5\u53ca\u6578\u64da\u5eab\u670d\u52d9\u72c0\u614b\uff0c\u958b\u767c\u8005\u53ef\u4ee5\u6709\u6548\u5730\u89e3\u6c7a\u9019\u4e9b\u554f\u984c\u3002\u82e5\u60a8\u9700\u8981\u7a69\u5b9a\u7684\u6578\u64da\u5eab\u670d\u52d9\uff0c\u8003\u616e\u4f7f\u7528<a href=\"https:\/\/server.hk\">\u9999\u6e2fVPS<\/a>\u6216<a href=\"https:\/\/server.hk\">\u4e91\u4f3a\u670d\u5668<\/a>\u4f86\u6258\u7ba1\u60a8\u7684\u6578\u64da\u5eab\uff0c\u9019\u6a23\u53ef\u4ee5\u78ba\u4fdd\u66f4\u9ad8\u7684\u53ef\u7528\u6027\u548c\u6027\u80fd\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u89e3\u6c7aQt\u767c\u5e03\u6642\u9047\u5230\u7684\u6578\u64da\u5eab\u9023\u63a5\u554f\u984c\uff0c\u63d0\u4f9b\u5e38\u898b\u539f\u56e0\u53ca\u89e3\u6c7a\u65b9\u6848\uff0c\u5e6b\u52a9\u958b\u767c\u8005\u9806\u5229\u9023\u63a5\u6578\u64da\u5eab\u3002<\/p>\n","protected":false},"author":0,"featured_media":0,"comment_status":"closed","ping_status":"","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[101],"tags":[],"class_list":["post-97142","post","type-post","status-publish","format-standard","hentry","category-database"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/97142","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"}],"replies":[{"embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/comments?post=97142"}],"version-history":[{"count":1,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/97142\/revisions"}],"predecessor-version":[{"id":97143,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/97142\/revisions\/97143"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=97142"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=97142"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=97142"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}