{"id":109456,"date":"2026-09-24T06:40:39","date_gmt":"2026-09-23T22:40:39","guid":{"rendered":"https:\/\/www.wsisp.com\/helps\/109456.html"},"modified":"2026-09-24T06:40:39","modified_gmt":"2026-09-23T22:40:39","slug":"%e3%80%90qt%e3%80%91%e3%80%8aqt-5-9-c%e5%bc%80%e5%8f%91%e6%8c%87%e5%8d%97%e3%80%8b%e7%ac%94%e8%ae%b0-chapter16-%e5%ba%94%e7%94%a8%e7%a8%8b%e5%ba%8f%e8%ae%be%e8%ae%a1%e8%be%85%e5%8a%a9%e5%8a%9f","status":"publish","type":"post","link":"https:\/\/www.wsisp.com\/helps\/109456.html","title":{"rendered":"\u3010Qt\u3011\u300aQt 5.9 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QString QObject::tr(const char *sourceText, const char *disambiguation &#061; Q_NULLPTR, int n &#061; -1)<\/p>\n<p>\u5176\u4e2d&#xff0c;sourceText\u662f\u6e90\u5b57\u7b26\u4e32&#xff0c;disambiguation\u662f\u4e3a\u7ffb\u8bd1\u8005\u63d0\u4f9b\u989d\u5916\u4fe1\u606f\u7684\u5b57\u7b26\u4e32&#xff0c;\u7528\u4e8e\u5bf9\u4e00\u4e9b\u5bb9\u6613\u6df7\u6dc6\u7684\u5730\u65b9\u4f5c\u8bf4\u660e&#xff0c;\u5185\u5bb9\u5982\u4e0b&#xff1a;<\/p>\n<p>LabCellPos &#061; new QLabel(tr(&#034;\u5f53\u524d\u5355\u5143\u683c&#xff1a;&#034;),this);<br \/>\nQMessageBox::information(this, tr(&#034;\u4fe1\u606f&#034;), tr(&#034;\u4fe1\u606f\u63d0\u793a&#xff1f;&#034;),<br \/>\n            QMessageBox::Yes);<br \/>\nQString  str1&#061;tr(&#034;\u5de6\u53f3&#034;, &#034;\u5927\u7ea6\u7684\u610f\u601d&#034;);<br \/>\nQString  str2&#061;tr(&#034;\u5de6\u53f3&#034;, &#034;\u638c\u63e1\u3001\u63a7\u5236\u7684\u610f\u601d&#034;);<\/p>\n<p>\u4f7f\u7528tr()\u51fd\u6570&#xff0c;\u9700\u8981\u6ce8\u610f\u4ee5\u4e0b\u4e00\u4e9b\u4e8b\u9879\u3002<\/p>\n<ul>\n<li>\u5c3d\u91cf\u4f7f\u7528\u5e38\u91cf\u5b57\u7b26\u4e32&#xff0c;\u4e0d\u8981\u4f7f\u7528\u5b57\u7b26\u4e32\u53d8\u91cf\u3002\u5728tr()\u51fd\u6570\u4e2d\u5e94\u76f4\u63a5\u4f20\u9012\u5b57\u7b26\u4e32\u5e38\u91cf&#xff0c;\u800c\u4e0d\u662f\u7528\u53d8\u91cf\u4f20\u9012\u5b57\u7b26\u4e32&#xff0c;\u5982\u4e0b\u9762\u7684\u4ee3\u7801\u4f7f\u7528\u4e86\u5b57\u7b26\u4e32\u53d8\u91cf&#xff0c;\u4f7f\u7528lupdate\u5de5\u5177\u63d0\u53d6\u9879\u76ee\u4e2d\u7684\u5b57\u7b26\u4e32\u65f6&#xff0c;\u5c06\u4e0d\u80fd\u63d0\u53d6\u201c\u4e0d\u80fd\u5220\u9664\u8bb0\u5f55\u201d\u8fd9\u4e2a\u5b57\u7b26\u4e32\u3002<\/li>\n<\/ul>\n<p>char *errorStr&#061;&#034;\u4e0d\u80fd\u5220\u9664\u8bb0\u5f55&#034;;<br \/>\nQString str2&#061;tr(errorStr);<\/p>\n<ul>\n<li>\u4f7f\u7528\u5b57\u7b26\u4e32\u53d8\u91cf\u65f6\u9700\u8981\u7528Qt_TR_NOOP()\u5b8f\u8fdb\u884c\u6807\u8bb0\u3002\u82e5\u8981\u5728tr()\u51fd\u6570\u4e2d\u4f7f\u7528\u5b57\u7b26\u4e32\u53d8\u91cf&#xff0c;\u9700\u8981\u5728\u5b9a\u4e49\u5b57\u7b26\u4e32\u7684\u5730\u65b9\u7528Qt_TR_NOOP()\u5b8f\u8fdb\u884c\u6807\u8bb0&#xff0c;\u8fd9\u5728\u4f7f\u7528\u5b57\u7b26\u4e32\u6570\u7ec4\u65f6\u6bd4\u8f83\u6709\u7528&#xff0c;\u4f8b\u5982&#xff1a;<\/li>\n<\/ul>\n<p>const char *cities[4]&#061;{Qt_TR_NOOP(&#034;Beijing&#034;),<br \/>\n            Qt_TR_NOOP(&#034;Shanghai&#034;),<br \/>\n            Qt_TR_NOOP(&#034;Qingdao&#034;),<br \/>\n            Qt_TR_NOOP(&#034;Wuhan&#034;)   };<br \/>\nfor (int i&#061;0; i&lt;4; i&#043;&#043;)<br \/>\n   comboBox-&gt;addItem(tr(cities[i]));<\/p>\n<ul>\n<li>tr()\u4e0d\u80fd\u4f7f\u7528\u62fc\u63a5\u7684\u52a8\u6001\u5b57\u7b26\u4e32\u3002tr()\u4e0d\u80fd\u4f7f\u7528\u62fc\u63a5\u7684\u52a8\u6001\u5b57\u7b26\u4e32&#xff0c;\u4f8b\u5982&#xff0c;\u4e0b\u9762\u7684\u7528\u6cd5\u662f\u9519\u8bef\u7684&#xff1a;<\/li>\n<\/ul>\n<p>LabCellPos-&gt;setText(tr(&#034;\u7b2c&#034;&#043; QString::number(current.row()) &#043;&#034;\u884c&#034;);<\/p>\n<p>\u6b63\u786e\u7684\u65b9\u5f0f\u5982\u4e0b\u3002<\/p>\n<p>LabCellPos-&gt;setText(tr(&#034;\u7b2c %1 \u884c&#034;).arg(current.row()));<\/p>\n<p>\u7ffb\u8bd1\u7684\u5b57\u7b26\u4e32\u662f&#034;\u7b2c %1 \u884c&#034;&#xff0c;\u7136\u540e\u518d\u7528QString\u7684arg()\u53bb\u66ff\u6362\u5360\u4f4d\u7b26\u201c%1\u201d\u7684\u5185\u5bb9\u3002<\/p>\n<ul>\n<li>Qt_NO_CAST_FROM_ASCII \u7684\u4f5c\u7528\u3002\u5728\u4e00\u4e2a\u9700\u8981\u7ffb\u8bd1\u4e3a\u591a\u8bed\u8a00\u7684\u5e94\u7528\u7a0b\u5e8f\u4e2d&#xff0c;\u5982\u679c\u7f16\u5199\u7a0b\u5e8f\u65f6\u5fd8\u4e86\u5bf9\u67d0\u4e2a\u5b57\u7b26\u4e32\u4f7f\u7528tr()\u51fd\u6570&#xff0c;lupdate\u751f\u6210\u7684\u7ffb\u8bd1\u8d44\u6e90\u6587\u4ef6\u5c31\u4f1a\u9057\u6f0f\u8fd9\u4e2a\u5b57\u7b26\u4e32\u3002\u4e3a\u4e86\u907f\u514d\u8fd9\u79cd\u758f\u5ffd\u9519\u8bef&#xff0c;\u53ef\u4ee5\u5728\u9879\u76ee\u914d\u7f6e\u6587\u4ef6&#xff08;.pro\u6587\u4ef6&#xff09;\u4e2d\u6dfb\u52a0\u5982\u4e0b\u7684\u5b9a\u4e49&#xff1a;<\/li>\n<\/ul>\n<p> DEFINES &#043;&#061; Qt_NO_CAST_FROM_ASCII<\/p>\n<p>\u8fd9\u6837\u5728\u7f16\u8bd1\u65f6&#xff0c;\u4f1a\u7981\u6b62\u4ececonst char* \u5230QString\u7684\u9690\u5f0f\u8f6c\u6362&#xff0c;\u5f3a\u5236\u6bcf\u4e2a\u5b57\u7b26\u4e32\u90fd\u5fc5\u987b\u4f7f\u7528tr()\u6216QLatin1String()\u5c01\u88c5&#xff0c;\u907f\u514d\u51fa\u73b0\u9057\u6f0f\u672a\u7ffb\u8bd1\u7684\u5b57\u7b26\u4e32\u3002<\/p>\n<h4>16.1.3\u3000\u751f\u6210\u8bed\u8a00\u7ffb\u8bd1\u6587\u4ef6<\/h4>\n<p>\u8981\u751f\u6210\u591a\u8bed\u8a00\u754c\u9762\u76f8\u5173\u7684\u7ffb\u8bd1\u6587\u4ef6&#xff0c;\u9664\u4e86\u4e4b\u524d\u6240\u8bf4\u7684\u5728\u5bf9\u6bcf\u4e2a\u5b57\u7b26\u4e32\u90fd\u4f7f\u7528tr()\u51fd\u6570\u5c01\u88c5\u4e4b\u5916&#xff0c;\u8fd8\u9700\u8981\u5728\u9879\u76ee\u914d\u7f6e\u6587\u4ef6&#xff08;.pro\u6587\u4ef6&#xff09;\u4e2d\u4f7f\u7528TRANSLATIONS\u5b9a\u4e49\u8bed\u8a00\u7ffb\u8bd1\u6587\u4ef6&#xff08;.ts\u6587\u4ef6&#xff09;&#xff0c;\u5e76\u4f7f\u7528lupdate\u5de5\u5177\u751f\u6210\u8bed\u8a00\u7ffb\u8bd1\u6587\u4ef6\u3002<\/p>\n<p>\u4f5c\u4e3a\u5b9e\u4f8b&#xff0c;\u5c06\u7b2c6\u7ae0\u7684samp6_2\u4f5c\u4e3a\u591a\u8bed\u8a00\u754c\u9762\u8bbe\u8ba1\u5b9e\u4f8b&#xff0c;\u590d\u5236\u9879\u76eesamp6_2\u7684\u5168\u90e8\u6587\u4ef6&#xff0c;\u5e76\u5c06\u9879\u76ee\u540d\u79f0\u66f4\u6539\u4e3asamp16_1\u3002\u5728\u9879\u76ee\u7684\u914d\u7f6e\u6587\u4ef6\u4e2d\u589e\u52a0\u5982\u4e0b\u7684\u8bbe\u7f6e\u8bed\u53e5&#xff1a;<\/p>\n<p>TRANSLATIONS &#061;samp16_1_cn.ts\\\\<br \/>\n samp16_1_en.ts<\/p>\n<p>\u8fd9\u91cc\u8bbe\u7f6e\u751f\u6210\u4e24\u4e2a\u8bed\u8a00\u7ffb\u8bd1\u6587\u4ef6\u201csamp16_1_cn.ts\u201d\u548c\u201csamp16_1_en.ts\u201d&#xff0c;\u5206\u522b\u662f\u4e2d\u6587\u548c\u82f1\u6587\u7ffb\u8bd1\u6587\u4ef6\u3002\u6587\u4ef6\u540d\u79f0\u53ef\u4ee5\u4efb\u610f\u8bbe\u8ba1&#xff0c;\u53ea\u8981\u6709\u6240\u533a\u5206\u5373\u53ef\u3002<\/p>\n<p>\u539f\u59cb\u7684\u7a0b\u5e8f\u8bbe\u8ba1\u91c7\u7528\u4e2d\u6587\u3002\u4e3a\u4e86\u4fbf\u4e8e\u8fdb\u884c\u8bed\u8a00\u5207\u6362&#xff0c;\u5728\u4e3b\u7a97\u53e3\u4e0a\u8bbe\u7f6e\u4e86\u4e24\u4e2a\u5de5\u5177\u680f\u6309\u94ae&#xff0c;\u5206\u522b\u7528\u4e8e\u5207\u6362\u4e2d\u6587\u548c\u82f1\u6587\u754c\u9762&#xff08;\u5982\u539f\u4e66\u7684\u56fe16-1\u6240\u793a&#xff09;&#xff0c;\u754c\u9762\u8bed\u8a00\u5207\u6362\u7684\u4ee3\u7801\u5b9e\u73b0\u4f1a\u5728\u4e0b\u4e00\u5c0f\u8282\u4ecb\u7ecd\u3002<\/p>\n<p>\u4e3a\u4e86\u8ba9lupdate\u5de5\u5177\u80fd\u63d0\u53d6\u9879\u76ee\u4ee3\u7801\u5185\u7684\u5b57\u7b26\u4e32&#xff0c;\u8fd9\u91cc\u5bf9\u9879\u76ee\u7a0b\u5e8f\u91cc\u7684\u5b57\u7b26\u4e32\u5168\u90e8\u91c7\u7528tr()\u51fd\u6570\u5c01\u88c5&#xff0c;\u5bf9\u4e8e\u4e0d\u7b26\u5408tr()\u51fd\u6570\u4f7f\u7528\u89c4\u5219\u7684\u5730\u65b9\u8fdb\u884c\u4fee\u6539\u3002\u4f8b\u5982&#xff0c;\u4e4b\u524d\u5728\u72b6\u6001\u680f\u4e0a\u663e\u793a\u5f53\u524d\u5355\u5143\u683c\u7684\u884c\u53f7\u548c\u5217\u53f7\u7684\u7a0b\u5e8f\u662f&#xff1a;<\/p>\n<p>    LabCellPos-&gt;setText(QString::asprintf(&#034;\u5f53\u524d\u5355\u5143\u683c&#xff1a;%d\u884c&#xff0c;%d\u5217&#034;,<br \/>\n                      current.row(),current.column()));<\/p>\n<p>\u73b0\u5728\u5c31\u4fee\u6539\u4e3a\u5982\u4e0b\u5f62\u5f0f&#xff1a;<\/p>\n<p>    LabCellPos-&gt;setText(tr(&#034;\u5f53\u524d\u5355\u5143\u683c&#xff1a;%1 \u884c&#xff0c;%2 \u5217&#034;<br \/>\n                     ).arg(current.row()).arg(current.column()));<\/p>\n<p>\u5728\u9879\u76ee\u8bbe\u8ba1\u671f\u95f4&#xff0c;\u4efb\u4f55\u65f6\u5019\u90fd\u53ef\u4ee5\u4f7f\u7528lupdate\u5de5\u5177\u751f\u6210\u6216\u66f4\u65b0\u7ffb\u8bd1\u6587\u4ef6&#xff0c;\u65b9\u6cd5\u662f\u5355\u51fbQt Creator\u4e3b\u83dc\u5355\u7684\u201cTools\u201d\u2192\u201cExternal\u201d\u2192\u201cQt \u8bed\u8a00\u5bb6\u201d\u2192\u201cUpdate Translations(lupdate)\u201d\u83dc\u5355\u9879&#xff0c;\u82e5\u9879\u76ee\u7684\u6e90\u7a0b\u5e8f\u76ee\u5f55\u4e0b\u6ca1\u6709samp16_1_cn.ts\u548csamp16_1_en.ts\u8fd9\u4e24\u4e2a\u6587\u4ef6&#xff0c;\u5c31\u4f1a\u81ea\u52a8\u751f\u6210&#xff0c;\u5982\u679c\u6587\u4ef6\u5df2\u7ecf\u5b58\u5728&#xff0c;\u5219\u4f1a\u66f4\u65b0\u8fd9\u4e24\u4e2a\u6587\u4ef6\u7684\u5185\u5bb9\u3002<\/p>\n<h4>16.1.4\u3000\u4f7f\u7528Qt Linguist\u7ffb\u8bd1ts\u6587\u4ef6<\/h4>\n<p>\u751f\u6210\u7684samp16_1_cn.ts\u548csamp16_1_en.ts\u6587\u4ef6\u5185\u5305\u542b\u4e86\u9879\u76ee\u6e90\u7a0b\u5e8f\u548cUI\u754c\u9762\u91cc\u7684\u6240\u6709\u5b57\u7b26\u4e32&#xff0c;\u4f7f\u7528Qt Linguist\u53ef\u4ee5\u5c06\u8fd9\u4e9b\u5b57\u7b26\u4e32\u7ffb\u8bd1\u4e3a\u9700\u8981\u7684\u8bed\u8a00\u7248\u672c\u3002\u5728Qt\u5b89\u88c5\u540e\u7684\u7a0b\u5e8f\u7ec4\u91cc\u53ef\u4ee5\u627e\u5230Qt Linguist\u8f6f\u4ef6\u3002<\/p>\n<p>samp16_1_cn.ts\u662f\u4e2d\u6587\u754c\u9762\u7684\u7ffb\u8bd1\u6587\u4ef6&#xff0c;\u7531\u4e8e\u6e90\u7a0b\u5e8f\u7684\u754c\u9762\u5c31\u662f\u7528\u4e2d\u6587\u8bbe\u8ba1\u7684&#xff0c;\u6240\u4ee5\u65e0\u9700\u518d\u7ffb\u8bd1\u3002samp16_1_en.ts\u662f\u82f1\u6587\u7ffb\u8bd1\u6587\u4ef6&#xff0c;\u9700\u8981\u5c06\u63d0\u53d6\u7684\u6240\u6709\u4e2d\u6587\u5b57\u7b26\u4e32\u7ffb\u8bd1\u4e3a\u82f1\u6587\u3002<\/p>\n<p>\u5728Linguist\u8f6f\u4ef6\u4e2d\u6253\u5f00\u6587\u4ef6samp16_1_en.ts&#xff0c;\u5f53\u7b2c\u4e00\u6b21\u6253\u5f00\u4e00\u4e2ats\u6587\u4ef6\u65f6&#xff0c;Linguist\u4f1a\u51fa\u73b0\u5982\u539f\u4e66\u7684\u56fe16-2\u6240\u793a\u7684\u8bed\u8a00\u8bbe\u7f6e\u5bf9\u8bdd\u6846&#xff0c;\u7528\u4e8e\u8bbe\u7f6e\u76ee\u6807\u8bed\u8a00\u548c\u6240\u5728\u56fd\u5bb6\u548c\u5730\u533a\u3002\u8fd9\u4e2a\u5bf9\u8bdd\u6846\u4e5f\u53ef\u4ee5\u901a\u8fc7Linguist\u4e3b\u83dc\u5355\u7684\u201c\u7f16\u8f91\u201d\u2192\u201c\u7ffb\u8bd1\u6587\u4ef6\u8bbe\u7f6e\u201d\u83dc\u5355\u9879\u8c03\u51fa\u3002samp16_1_en.ts\u662f\u7528\u4e8e\u82f1\u6587\u754c\u9762\u7684\u7ffb\u8bd1\u6587\u4ef6&#xff0c;\u6240\u4ee5\u9009\u62e9\u8bed\u8a00\u201cEnglish\u201d&#xff0c;\u56fd\u5bb6\/\u5730\u533a\u53ef\u9009\u62e9\u201cUnitedStates\u201d\u3002<\/p>\n<p>\u6253\u5f00samp16_1_en.ts\u6587\u4ef6\u540e\u7684Linguist\u8f6f\u4ef6\u754c\u9762\u5982\u539f\u4e66\u7684\u56fe16-3\u6240\u793a\u3002\u5de6\u4fa7\u201c\u4e0a\u4e0b\u6587\u201d\u5217\u8868\u91cc\u5217\u51fa\u4e86\u9879\u76ee\u4e2d\u7684\u6240\u6709\u7a97\u53e3\u6216\u7c7b&#xff0c;\u8fd9\u4e2a\u9879\u76ee\u67094\u4e2a\u7a97\u53e3\u3002\u201c\u5b57\u7b26\u4e32\u201d\u5217\u8868\u91cc\u5217\u51fa\u4e86\u4ece\u9879\u76ee\u7684UI\u7a97\u53e3\u548c\u4ee3\u7801\u6587\u4ef6\u4e2d\u63d0\u53d6\u7684\u5b57\u7b26\u4e32&#xff0c;\u53f3\u4fa7\u201c\u77ed\u8bed\u548c\u8868\u5355\u201d\u4f1a\u663e\u793a\u7a97\u53e3\u754c\u9762\u7684\u9884\u89c8\u6216\u5b57\u7b26\u4e32\u5728\u6e90\u7a0b\u5e8f\u4e2d\u51fa\u73b0\u7684\u4ee3\u7801\u6bb5\u3002<\/p>\n<p>\u5728\u201c\u5b57\u7b26\u4e32\u201d\u5217\u8868\u4e2d\u9009\u62e9\u4e00\u4e2a\u6e90\u6587\u540e&#xff0c;\u5728\u4e0b\u65b9\u4f1a\u51fa\u73b0\u8bd1\u6587\u7f16\u8f91\u6846&#xff0c;\u5728\u6b64\u586b\u5199\u5b57\u7b26\u4e32\u5bf9\u5e94\u7684\u82f1\u6587\u8bd1\u6587\u3002Linguist\u53ef\u4ee5\u540c\u65f6\u6253\u5f00\u9879\u76ee\u7684\u591a\u4e2ats\u6587\u4ef6&#xff0c;\u5728\u9009\u4e2d\u4e00\u4e2a\u6e90\u6587\u540e&#xff0c;\u5728\u4e0b\u65b9\u4f1a\u51fa\u73b0\u5bf9\u5e94\u7684\u591a\u4e2a\u8bed\u8a00\u7684\u8bd1\u6587\u7f16\u8f91\u6846&#xff0c;\u53ef\u4ee5\u540c\u65f6\u7ffb\u8bd1\u4e3a\u591a\u4e2a\u8bed\u8a00\u7248\u672c\u3002<\/p>\n<h4>16.1.5\u3000\u8c03\u7528\u7ffb\u8bd1\u6587\u4ef6\u6539\u53d8\u754c\u9762\u8bed\u8a00<\/h4>\n<h5>1&#xff0e;\u751f\u6210qm\u6587\u4ef6<\/h5>\n<p>\u4f7f\u7528Linguist\u8f6f\u4ef6\u7f16\u8f91\u7ffb\u8bd1\u6587\u4ef6&#xff0c;\u5c06\u6240\u6709\u5b57\u7b26\u4e32\u90fd\u7ffb\u8bd1\u540e&#xff0c;\u5728Qt Creator\u4e2d\u5355\u51fb\u4e3b\u83dc\u5355\u9879\u201cTools\u201d\u2192\u201cExternal\u201d\u2192\u201cQt \u8bed\u8a00\u5bb6\u201d\u2192\u201cRelease Translations(lrelease)\u201d&#xff0c;\u4f1a\u5728\u9879\u76ee\u6e90\u7a0b\u5e8f\u76ee\u5f55\u4e0b\u751f\u6210\u4e0ets\u6587\u4ef6\u5bf9\u5e94\u7684qm\u6587\u4ef6&#xff0c;\u8fd9\u662f\u66f4\u4e3a\u7d27\u51d1\u7684\u7ffb\u8bd1\u6587\u4ef6\u3002\u672c\u5b9e\u4f8b\u751f\u6210\u7684\u662fsamp16_1_cn.qm\u548csamp16_1_en.qm\u3002<\/p>\n<h5>2&#xff0e;\u9879\u76ee\u542f\u52a8\u65f6\u8bbe\u7f6e\u754c\u9762\u8bed\u8a00<\/h5>\n<p>\u4f7f\u7528QTranslator\u7c7b\u8bbe\u7f6e\u754c\u9762\u7684\u4e0d\u540c\u8bed\u8a00\u7248\u672c&#xff0c;\u9700\u5728\u5e94\u7528\u7a0b\u5e8f\u542f\u52a8\u65f6\u8bbe\u7f6e\u754c\u9762\u8bed\u8a00\u7ffb\u8bd1\u6587\u4ef6&#xff0c;\u5373\u5728main()\u51fd\u6570\u4e2d\u8fdb\u884c\u5904\u7406\u3002\u9879\u76eesamp16_1\u7684main.cpp\u7684\u4ee3\u7801\u5982\u4e0b&#xff1a;<\/p>\n<p>#include  &#034;mainwindow.h&#034;<br \/>\n#include   &lt;QApplication&gt;<br \/>\n#include   &lt;QTranslator&gt;<br \/>\n#include   &lt;QSettings&gt;<br \/>\nQTranslator  *trans&#061;NULL;<br \/>\nQString  readSetting();<\/p>\n<p>int main(int argc, char *argv[])<br \/>\n{<br \/>\n   QApplication app(argc, argv);<br \/>\n   trans&#061;new QTranslator;<br \/>\n   QString curLang&#061;readSetting(); \/\/\u8bfb\u53d6\u8bed\u8a00\u8bbe\u7f6e<br \/>\n   if (curLang&#061;&#061;&#034;EN&#034;)<br \/>\n      trans-&gt;load(&#034;samp16_1_en.qm&#034;);<br \/>\n   else<br \/>\n      trans-&gt;load(&#034;samp16_1_cn.qm&#034;);<br \/>\n   app.installTranslator(trans);<br \/>\n   MainWindow w;<br \/>\n   w.show();<br \/>\n   return app.exec();<br \/>\n}<\/p>\n<p>QString readSetting()<br \/>\n{\/\/\u4ece\u6ce8\u518c\u8868\u8bfb\u53d6\u4e0a\u6b21\u8bbe\u7f6e\u7684\u8bed\u8a00<br \/>\n   QString  organization&#061;&#034;WWB-Qt&#034;;<br \/>\n   QString  appName&#061;&#034;samp16_1&#034;;<br \/>\n   QSettings  settings(organization,appName);<br \/>\n   QString  Language&#061;settings.value(&#034;Language&#034;,&#034;EN&#034;).toString();<br \/>\n   return  Language;<br \/>\n}<\/p>\n<p>\u8fd9\u91cc\u5b9a\u4e49\u4e86\u4e00\u4e2a\u5168\u5c40\u53d8\u91cftrans&#xff0c;\u5728main.cpp\u91cc\u5b9a\u4e49\u4e86\u4e00\u4e2a\u51fd\u6570readSetting()&#xff0c;\u7528\u4e8e\u4ece\u6ce8\u518c\u8868\u91cc\u8bfb\u53d6\u4e0a\u6b21\u8bbe\u7f6e\u7684\u754c\u9762\u8bed\u8a00\u7248\u672c\u3002\u6ce8\u518c\u8868\u91cc\u6570\u636e\u7684\u8bfb\u53d6\u548c\u5199\u5165\u4f7f\u7528\u5230QSettings\u7c7b&#xff0c;\u57286.5\u8282\u6709\u8be6\u7ec6\u4ecb\u7ecd\u3002<\/p>\n<p>\u5728main()\u51fd\u6570\u4e2d&#xff0c;\u521b\u5efaQTranslator\u7c7b\u7684\u5bf9\u8c61trans\u540e&#xff0c;\u8c03\u7528readSetting()\u51fd\u6570\u4ece\u6ce8\u518c\u8868\u91cc\u8bfb\u53d6\u4e0a\u6b21\u7684\u8bed\u8a00\u7248\u672c&#xff0c;\u82e5\u4e3a\u201cEN\u201d&#xff0c;\u5c31\u7528load()\u51fd\u6570\u8f7d\u5165\u7f16\u8bd1\u540e\u7684\u82f1\u6587\u7ffb\u8bd1\u6587\u4ef6samp16_1_en.qm&#xff0c;\u5426\u5219\u5c31\u8f7d\u5165\u4e2d\u6587\u7ffb\u8bd1\u6587\u4ef6samp16_1_cn.qm\u3002\u7136\u540e\u518d\u6267\u884capp.installTranslator(trans)&#xff0c;\u5c31\u53ef\u4ee5\u7ed9\u5e94\u7528\u7a0b\u5e8f\u5b89\u88c5\u7ffb\u8bd1\u5668&#xff0c;\u5b9e\u73b0\u9700\u8981\u7684\u754c\u9762\u7248\u672c\u3002<\/p>\n<p>samp16_1_en.qm\u548csamp16_1_cn.qm\u6587\u4ef6\u662f\u88ab\u7f16\u8bd1\u5230\u9879\u76ee\u7684\u53ef\u6267\u884c\u6587\u4ef6\u4e2d\u7684&#xff0c;\u65e0\u9700\u5c06\u8fd9\u4e24\u4e2a\u6587\u4ef6\u590d\u5236\u5230\u53ef\u6267\u884c\u6587\u4ef6\u76ee\u5f55\u4e0b\u3002<\/p>\n<p>\u5728main()\u51fd\u6570\u91cc\u52a0\u8f7d\u7ffb\u8bd1\u5668\u662f\u76f8\u6bd4\u4e4b\u4e0b\u4e00\u52b3\u6c38\u9038\u7684\u65b9\u6cd5&#xff0c;\u8fd9\u6837\u4e00\u6765&#xff0c;\u968f\u540e\u5e94\u7528\u7a0b\u5e8f\u7684\u4efb\u4f55\u7a97\u53e3\u90fd\u4f1a\u81ea\u52a8\u5e94\u7528\u5f00\u59cb\u8bbe\u7f6e\u7684\u8bed\u8a00\u3002\u6240\u4ee5&#xff0c;\u4e00\u4e9b\u5927\u578b\u7684\u8f6f\u4ef6\u5728\u91cd\u65b0\u8bbe\u7f6e\u4e86\u8bed\u8a00\u7248\u672c\u540e&#xff0c;\u901a\u5e38\u90fd\u4f1a\u8981\u6c42\u91cd\u65b0\u542f\u52a8\u8f6f\u4ef6\u624d\u751f\u6548\u3002<\/p>\n<h5>3&#xff0e;\u52a8\u6001\u5207\u6362\u8bed\u8a00<\/h5>\n<p>\u5728\u8f6f\u4ef6\u8fd0\u884c\u65f6\u53ef\u4ee5\u52a8\u6001\u5207\u6362\u8bed\u8a00&#xff0c;\u5373\u65e0\u9700\u91cd\u542f\u8f6f\u4ef6\u5c31\u53ef\u4ee5\u5207\u6362\u754c\u9762\u8bed\u8a00\u3002\u5728samp16_1\u7684\u4e3b\u7a97\u53e3\u4e0a\u6709\u201c\u4e2d\u6587\u201d\u548c\u201cEnglish\u201d\u4e24\u4e2a\u5de5\u5177\u680f\u6309\u94ae&#xff0c;\u7528\u4e8e\u5b9e\u73b0\u4e2d\u6587\u548c\u82f1\u6587\u754c\u9762\u7684\u5207\u6362\u3002\u4e0b\u9762\u662f\u8fd9\u4e24\u4e2a\u6309\u94ae\u7684\u54cd\u5e94\u4ee3\u7801&#xff1a;<\/p>\n<p>void MainWindow::on_actLang_CN_triggered()<br \/>\n{\/\/\u4e2d\u6587\u754c\u9762<br \/>\n   qApp-&gt;removeTranslator(trans);<br \/>\n   delete trans;<br \/>\n   trans&#061;new Qtranslator;<br \/>\n   trans-&gt;load(&#034;samp16_1_cn.qm&#034;);<br \/>\n   qApp-&gt;installTranslator(trans);<br \/>\n   ui-&gt;retranslateUi(this);  \/\/\u5237\u65b0\u754c\u9762\u5b57\u7b26\u4e32<br \/>\n   QSettings   settings(&#034;WWB-Qt&#034;,&#034;samp16_1&#034;);<br \/>\n   settings.setValue(&#034;Language&#034;,&#034;CN&#034;);<br \/>\n}<br \/>\nvoid MainWindow::on_actLang_EN_triggered()<br \/>\n{\/\/\u82f1\u6587\u754c\u9762<br \/>\n   qApp-&gt;removeTranslator(trans);<br \/>\n   delete trans;<br \/>\n   trans&#061;new Qtranslator;<br \/>\n   trans-&gt;load(&#034;samp16_1_en.qm&#034;);<br \/>\n   qApp-&gt;installTranslator(trans);<br \/>\n   ui-&gt;retranslateUi(this);  \/\/\u5237\u65b0\u754c\u9762\u5b57\u7b26\u4e32<br \/>\n   QSettings   settings(&#034;WWB-Qt&#034;,&#034;samp16_1&#034;);<br \/>\n   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&#034;\u4eff\u5b8b&#034;;<\/p>\n<p>\u8868\u793afont\u5c5e\u6027&#xff0c;\u5b57\u4f53\u5927\u5c0f\u4e3a12pt&#xff0c;\u5b57\u4f53\u540d\u79f0\u4e3a\u201c\u4eff\u5b8b\u201d&#xff1b;\u5f53\u4e00\u4e2a\u5c5e\u6027\u6709\u591a\u4e2a\u503c\u65f6&#xff0c;\u591a\u4e2a\u503c\u7528\u7a7a\u683c\u9694\u5f00\u3002<\/p>\n<h5>2&#xff0e;\u9009\u62e9\u5668&#xff08;selector&#xff09;<\/h5>\n<p>Qt\u6837\u5f0f\u8868\u652f\u6301CSS2\u4e2d\u5b9a\u4e49\u7684\u6240\u6709\u9009\u62e9\u5668&#xff0c;\u886816-1\u663e\u793a\u7684\u662f\u4e00\u4e9b\u5e38\u7528\u7684\u9009\u62e9\u5668\u3002<\/p>\n<p>\u886816-1\u3000Qt\u6837\u5f0f\u8868\u4e2d\u7684\u9009\u62e9\u5668\u7c7b\u578b<\/p>\n<table>\n<tr>\u9009\u62e9\u5668\u4f8b\u5b50\u7528\u9014<\/tr>\n<tbody>\n<tr>\n<td>\u901a\u7528\u9009\u62e9\u5668<\/td>\n<td>*<\/td>\n<td>\u6240\u6709\u7ec4\u4ef6<\/td>\n<\/tr>\n<tr>\n<td>\u7c7b\u578b\u9009\u62e9\u5668<\/td>\n<td>QPushButton<\/td>\n<td>\u6240\u6709QPushButton\u7c7b\u53ca\u5176\u5b50\u7c7b\u7684\u7ec4\u4ef6<\/td>\n<\/tr>\n<tr>\n<td>\u5c5e\u6027\u9009\u62e9\u5668<\/td>\n<td>QPushButton[flat&#061;\u201dfalse\u201d]<\/td>\n<td>\u6240\u6709flat \u5c5e\u6027\u4e3afalse\u7684QPushButton\u7c7b\u53ca\u5176\u5b50\u7c7b\u7684\u7ec4\u4ef6\u3002\u5982\u679c\u6837\u5f0f\u8868\u5e94\u7528\u540e\u7ec4\u4ef6\u7684\u5c5e\u6027\u518d\u53d1\u751f\u53d8\u5316&#xff0c;\u9700\u8981\u91cd\u65b0\u5e94\u7528\u6837\u5f0f\u8868\u624d\u80fd\u5237\u65b0\u663e\u793a\u6548\u679c<\/td>\n<\/tr>\n<tr>\n<td>\u975e\u5b50\u7c7b\u9009\u62e9\u5668<\/td>\n<td>.QPushButton<\/td>\n<td>\u6240\u6709QPushButton\u7c7b\u7684\u7ec4\u4ef6&#xff0c;\u4f46\u662f\u4e0d\u5305\u62ecQPushButton\u7684\u5b50\u7c7b<\/td>\n<\/tr>\n<tr>\n<td>ID\u9009\u62e9\u5668<\/td>\n<td>QPushButton#btnOK<\/td>\n<td>ObjectName\u4e3abtnOK\u7684QPushButton\u5b9e\u4f8b<\/td>\n<\/tr>\n<tr>\n<td>\u4ece\u5c5e\u5bf9\u8c61\u9009\u62e9\u5668<\/td>\n<td>QDialog QPushButton<\/td>\n<td>\u6240\u6709\u4ece\u5c5e\u4e8eQDialog\u7684QPushButton\u7c7b\u7684\u5b9e\u4f8b&#xff0c;\u5373QDialog\u5bf9\u8bdd\u6846\u91cc\u7684\u6240\u6709QPushButton<\/td>\n<\/tr>\n<tr>\n<td>\u5b50\u5bf9\u8c61\u9009\u62e9\u5668<\/td>\n<td>QDialog &gt; QPushButton<\/td>\n<td>\u6240\u6709\u76f4\u63a5\u4ece\u5c5e\u4e8eQDialog\u7684QPushButton\u7c7b\u7684\u5b9e\u4f8b<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p>\u8fd9\u4e9b\u9009\u62e9\u5668\u7684\u5b9a\u4e49\u4e3a\u9009\u62e9\u754c\u9762\u7ec4\u4ef6\u63d0\u4f9b\u4e86\u7075\u6d3b\u6027\u3002\u9009\u62e9\u5668\u53ef\u4ee5\u7ec4\u5408\u4f7f\u7528&#xff0c;\u4e00\u4e2a\u6837\u5f0f\u58f0\u660e\u53ef\u4ee5\u5e94\u7528\u4e8e\u591a\u4e2a\u9009\u62e9\u5668&#xff0c;\u4f8b\u5982&#xff1a;<\/p>\n<p>QPlainTextEdit,QLineEdit,QPushButton,QCheckBox{<br \/>\n    color: rgb(255, 255, 0);<br \/>\n    background-color: rgb(0, 0, 0);<br \/>\n}<\/p>\n<p>\u8fd9\u4e2a\u6837\u5f0f\u58f0\u660e\u5c06\u540c\u65f6\u5e94\u7528\u4e8eQPlainTextEdit\u3001QLineEdit\u3001QPushButton\u548cQCheckBox\u7684\u5b9e\u4f8b\u3002<\/p>\n<p>QLineEdit[readOnly&#061;&#034;true&#034;], QCheckBox[checked&#061;&#034;true&#034;]<br \/>\n{ background-color: rgb(255, 0, 0) }<\/p>\n<p>\u4e0a\u9762\u7684\u8fd9\u4e2a\u6837\u5f0f\u5e94\u7528\u4e8ereadOnly\u5c5e\u6027\u4e3atrue\u7684QLineEdit\u548cchecked\u5c5e\u6027\u4e3atrue\u7684QCheckBox\u5b9e\u4f8b&#xff0c;\u529f\u80fd\u662f\u4f7f\u5176\u80cc\u666f\u989c\u8272\u4e3a\u7ea2\u8272\u3002<\/p>\n<p>\u5728Qt\u4e2d&#xff0c;\u53ef\u4ee5\u4e3a\u4e00\u4e2a\u754c\u9762\u7ec4\u4ef6\u4f7f\u7528QObject::setProperty()\u8bbe\u7f6e\u4e00\u4e2a\u52a8\u6001\u5c5e\u6027&#xff0c;\u4f8b\u5982&#xff0c;\u5728\u6570\u636e\u8868\u7f16\u8f91\u754c\u9762\u4e0a&#xff0c;\u4e00\u4e9b\u5b57\u6bb5\u662f\u5fc5\u586b\u5b57\u6bb5&#xff0c;\u5c31\u53ef\u4ee5\u4e3a\u8fd9\u4e9b\u5b57\u6bb5\u7684\u5173\u8054\u7ec4\u4ef6\u8bbe\u7f6e\u4e00\u4e2arequired\u5c5e\u6027\u4e3atrue&#xff0c;\u5982&#xff1a;<\/p>\n<p>editName-&gt;setProperty(&#034;required&#034;, &#034;true&#034;);<br \/>\ncomboSex-&gt;setProperty(&#034;required&#034;, &#034;true&#034;);<br \/>\ncheckAgree-&gt;setProperty(&#034;required&#034;, &#034;true&#034;);<\/p>\n<p>\u8fd9\u6837\u8bbe\u7f6e\u4e86\u4e09\u4e2a\u754c\u9762\u7ec4\u4ef6\u7684\u52a8\u6001\u5c5e\u6027required\u4e3atrue\u3002<\/p>\n<p>\u90a3\u4e48&#xff0c;\u53ef\u4ee5\u5e94\u7528\u4e0b\u9762\u7684\u6837\u5f0f\u5c06\u8fd9\u79cd\u5fc5\u586b\u5b57\u6bb5\u7684\u80cc\u666f\u989c\u8272\u8bbe\u7f6e\u4e3a\u4eae\u7eff\u8272\u3002<\/p>\n<p>*[required&#061;&#034;true&#034;] {background-color: lime}<\/p>\n<h5>3&#xff0e;\u5b50\u63a7\u4ef6&#xff08;sub-controls&#xff09;<\/h5>\n<p>\u5bf9\u4e8e\u4e00\u4e9b\u7ec4\u5408\u7684\u754c\u9762\u7ec4\u4ef6&#xff0c;\u9700\u8981\u5bf9\u5176\u5b50\u63a7\u4ef6\u8fdb\u884c\u9009\u62e9&#xff0c;\u5982QComboBox\u7684\u4e0b\u62c9\u6309\u94ae&#xff0c;\u6216QSpinBox\u7684\u4e0a\u3001\u4e0b\u6309\u94ae\u3002\u901a\u8fc7\u9009\u62e9\u5668\u7684\u5b50\u63a7\u4ef6\u53ef\u4ee5\u5bf9\u8fd9\u4e9b\u754c\u9762\u5143\u7d20\u8fdb\u884c\u663e\u793a\u6548\u679c\u63a7\u5236\u3002\u4f8b\u5982&#xff1a;<\/p>\n<p>QComboBox::drop-down{ image: url(:\/images\/images\/down.bmp); }<\/p>\n<p>\u9009\u62e9\u5668QComboBox::drop-down\u9009\u62e9\u4e86QComboBox\u7684drop-down\u5b50\u63a7\u4ef6&#xff0c;\u5b9a\u4e49\u7684\u6837\u5f0f\u662f\u8bbe\u7f6e\u5176image\u5c5e\u6027\u4e3a\u8d44\u6e90\u6587\u4ef6\u4e2d\u7684\u56fe\u7247down.bmp\u3002<\/p>\n<p>QSpinBox::up-button{ image: url(:\/images\/images\/up.bmp); }<br \/>\nQSpinBox::down-button{ image: url(:\/images\/images\/down.bmp); }<\/p>\n<p>\u8fd9\u4e24\u6761\u6837\u5f0f\u5b9a\u4e49\u8bed\u53e5\u5206\u522b\u5b9a\u4e49\u4e86QSpinBox\u7684\u4e0a\u3001\u4e0b\u6309\u94ae\u7684\u56fe\u7247&#xff0c;\u7528\u8d44\u6e90\u6587\u4ef6\u4e2d\u7684\u56fe\u7247\u66ff\u4ee3\u4e86\u7f3a\u7701\u7684\u56fe\u7247\u3002<\/p>\n<p>\u8fd9\u6837\u5b9a\u4e49\u7684QComboBox\u548cQSpinBox\u5177\u6709\u5982\u539f\u4e66\u7684\u56fe16-5\u6240\u793a\u7684\u663e\u793a\u6548\u679c\u3002<\/p>\n<p>Qt\u4e2d\u5e38\u7528\u7684\u5b50\u63a7\u4ef6\u89c1\u886816-2&#xff0c;\u6240\u6709\u5b50\u63a7\u4ef6\u7684\u8be6\u7ec6\u63cf\u8ff0\u89c1Qt\u7684\u5e2e\u52a9\u6587\u6863\u3002<\/p>\n<p>\u886816-2\u3000Qt\u6837\u5f0f\u8868\u4e2d\u5e38\u89c1\u7684\u5b50\u63a7\u4ef6\u5217\u8868<\/p>\n<table>\n<tr>\u5b50\u63a7\u4ef6\u540d\u79f0\u8bf4\u660e<\/tr>\n<tbody>\n<tr>\n<td>::branch<\/td>\n<td>QTreeView\u7684\u5206\u652f\u6307\u793a\u5668<\/td>\n<\/tr>\n<tr>\n<td>::chunk<\/td>\n<td>QProgressBar \u7684\u8fdb\u5ea6\u663e\u793a\u5757<\/td>\n<\/tr>\n<tr>\n<td>::close-button<\/td>\n<td>QDockWidget\u6216QTabBar\u9875\u9762\u7684\u5173\u95ed\u6309\u94ae<\/td>\n<\/tr>\n<tr>\n<td>::down-arrow<\/td>\n<td>QComboBox&#xff0c;QHeaderView (\u6392\u5e8f\u6307\u793a\u5668)&#xff0c;QScrollBar \u6216QSpinBox\u7684\u4e0b\u62c9\u7bad\u5934<\/td>\n<\/tr>\n<tr>\n<td>::down-button<\/td>\n<td>QScrollBar\u6216 QSpinBox\u7684\u5411\u4e0b\u6309\u94ae<\/td>\n<\/tr>\n<tr>\n<td>::drop-down<\/td>\n<td>QComboBox\u7684\u4e0b\u62c9\u6309\u94ae<\/td>\n<\/tr>\n<tr>\n<td>::float-button<\/td>\n<td>QDockWidget\u7684\u6d6e\u52a8\u6309\u94ae<\/td>\n<\/tr>\n<tr>\n<td>::groove<\/td>\n<td>QSlider\u7684\u51f9\u69fd<\/td>\n<\/tr>\n<tr>\n<td>::indicator<\/td>\n<td>QAbstractItemView&#xff0c;QCheckBox&#xff0c;QRadioButton&#xff0c;\u53ef\u52fe\u9009\u7684QMenu \u83dc\u5355\u9879&#xff0c;\u6216\u53ef\u52fe\u9009\u7684QGroupBox\u7684\u6307\u793a\u5668<\/td>\n<\/tr>\n<tr>\n<td>::handle<\/td>\n<td>QScrollBar&#xff0c;QSplitter\u6216QSlider\u7684\u6ed1\u5757<\/td>\n<\/tr>\n<tr>\n<td>::icon<\/td>\n<td>QAbstractItemView\u6216 QMenu\u7684\u56fe\u6807<\/td>\n<\/tr>\n<tr>\n<td>::item<\/td>\n<td>QAbstractItemView&#xff0c;QMenuBar&#xff0c;QMenu&#xff0c;\u6216QStatusBar\u7684\u4e00\u4e2a\u9879<\/td>\n<\/tr>\n<tr>\n<td>::left-arrow<\/td>\n<td>QScrollBar\u7684\u5411\u5de6\u7bad\u5934<\/td>\n<\/tr>\n<tr>\n<td>::menu-arrow<\/td>\n<td>\u5177\u6709\u4e0b\u62c9\u83dc\u5355\u7684QToolButton\u7684\u4e0b\u62c9\u7bad\u5934<\/td>\n<\/tr>\n<tr>\n<td>::menu-button<\/td>\n<td>QToolButton\u7684\u83dc\u5355\u6309\u94ae<\/td>\n<\/tr>\n<tr>\n<td>::menu-indicator<\/td>\n<td>QPushButton\u7684\u83dc\u5355\u6307\u793a\u5668<\/td>\n<\/tr>\n<tr>\n<td>::right-arrow<\/td>\n<td>QMenu \u6216QScrollBar\u7684\u53f3\u4fa7\u7bad\u5934<\/td>\n<\/tr>\n<tr>\n<td>::pane<\/td>\n<td>QTabWidget\u7684\u9762\u677f<\/td>\n<\/tr>\n<tr>\n<td>::scroller<\/td>\n<td>QMenu \u6216 QTabBar\u7684\u5377\u8f74<\/td>\n<\/tr>\n<tr>\n<td>::section<\/td>\n<td>QHeaderView\u7684\u5206\u6bb5<\/td>\n<\/tr>\n<tr>\n<td>::separator<\/td>\n<td>QMenu \u6216QMainWindow\u7684\u5206\u9694\u5668<\/td>\n<\/tr>\n<tr>\n<td>::tab<\/td>\n<td>QTabBar \u6216QToolBox\u7684\u5206\u9875<\/td>\n<\/tr>\n<tr>\n<td>::tab-bar<\/td>\n<td>QTabWidget\u7684\u5206\u9875\u6761\u3002\u8fd9\u4e2a\u5b50\u63a7\u4ef6\u53ea\u7528\u4e8e\u63a7\u5236QTabBar\u5728QTabWidget\u4e2d\u7684\u4f4d\u7f6e&#xff0c;\u5b9a\u4e49\u5206\u9875\u7684\u6837\u5f0f\u4f7f\u7528::tab\u5b50\u63a7\u4ef6<\/td>\n<\/tr>\n<tr>\n<td>::text<\/td>\n<td>QAbstractItemView\u7684\u6587\u5b57<\/td>\n<\/tr>\n<tr>\n<td>::title<\/td>\n<td>QGroupBox\u6216QDockWidget\u7684\u6807\u9898<\/td>\n<\/tr>\n<tr>\n<td>::up-arrow<\/td>\n<td>QHeaderView 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\/>\n}<\/p>\n<p>\u8fd9\u4f7f\u5f97QLineEdit\u5177\u6709\u7070\u8272\u8fb9\u6846\u7ebf\u6761\u3001\u5706\u89d2\u77e9\u5f62\u7684\u6548\u679c\u3002<\/p>\n<p>\u901a\u8fc7border-radius\u3001min-width\u548cmin-height\u7b49\u5c5e\u6027\u53ef\u4ee5\u8bbe\u8ba1\u5706\u5f62\u7684\u6309\u94ae&#xff0c;\u5982&#xff1a;<\/p>\n<p>QPushButton {<br \/>\n    border: 2px groove red;<br \/>\n    border-radius: 30px;<br \/>\n    min-width:60px;<br \/>\n    min-height:60px;   }<\/p>\n<p>\u4f7f\u5f97\u8fb9\u6846\u8f6c\u89d2\u534a\u5f84\u7b49\u4e8econtent\u5bbd\u5ea6\u6216\u957f\u5ea6\u7684\u4e00\u534a&#xff0c;\u5bbd\u5ea6\u548c\u957f\u5ea6\u76f8\u7b49&#xff0c;\u5c31\u53ef\u4ee5\u5f97\u5230\u4e00\u4e2a\u5706\u5f62\u7684\u6309\u94ae\u3002<\/p>\n<p>\u4f7f\u7528border-image\u5c5e\u6027\u8fd8\u53ef\u4ee5\u4e3a\u7ec4\u4ef6\u8bbe\u7f6e\u80cc\u666f\u56fe\u7247&#xff0c;\u56fe\u7247\u4f1a\u586b\u5145border\u77e9\u5f62\u6846\u4e4b\u5185\u7684\u533a\u57df&#xff0c;\u4e00\u822c\u4f7f\u7528\u6750\u8d28\u56fe\u7247\u8bbe\u7f6e\u80cc\u666f&#xff0c;\u4ee5\u4f7f\u754c\u9762\u5177\u6709\u7edf\u4e00\u7684\u7279\u8272&#xff0c;\u4f8b\u5982&#xff1a;<\/p>\n<p>QLineEdit, QPushButton{border-image: url(:\/images\/images\/border.jpg);}<\/p>\n<p>&#xff08;4&#xff09;margin\u662fborder\u4e4b\u5916\u4e0e\u7236\u7ec4\u4ef6\u4e4b\u95f4\u7684\u7a7a\u767d\u8fb9\u8ddd&#xff0c;\u53ef\u4ee5\u5206\u522b\u5b9a\u4e49\u4e0a\u3001\u4e0b\u3001\u5de6\u3001\u53f3\u7684\u8fb9\u8ddd\u5927\u5c0f\u3002<\/p>\n<p>\u7f3a\u7701\u7684\u60c5\u51b5\u4e0b&#xff0c;margin\u3001border-width\u548c padding 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Designer\u8bbe\u8ba1\u7a97\u4f53\u65f6&#xff0c;\u76f4\u63a5\u7528\u6837\u5f0f\u8868\u7f16\u8f91\u5668\u4e3a\u7a97\u4f53\u6216\u7a97\u4f53\u4e0a\u7684\u67d0\u4e2a\u90e8\u4ef6\u8bbe\u8ba1\u6837\u5f0f\u8868&#xff0c;\u5219\u8bbe\u8ba1\u7684\u6837\u5f0f\u4fdd\u5b58\u5728\u7a97\u4f53\u7684ui\u6587\u4ef6\u91cc&#xff0c;\u7a97\u4f53\u521b\u5efa\u65f6\u4f1a\u81ea\u52a8\u5e94\u7528\u6240\u8bbe\u8ba1\u7684\u6837\u5f0f\u8868\u3002\u8fd9\u6837\u8bbe\u8ba1\u7684\u6837\u5f0f\u8868\u5bf9\u5e94\u7528\u7a0b\u5e8f\u662f\u56fa\u5b9a\u7684&#xff0c;\u65e0\u6cd5\u53d6\u5f97\u6362\u80a4\u7684\u6548\u679c&#xff0c;\u800c\u4e14\u9700\u8981\u4e3a\u6bcf\u4e2a\u7a97\u4f53\u90fd\u8bbe\u8ba1\u6837\u5f0f\u8868&#xff0c;\u91cd\u590d\u6027\u5de5\u4f5c\u91cf\u592a\u5927\u3002<\/p>\n<p>\u7b2c\u4e8c\u79cd\u662f\u4f7f\u7528setStyleSheet\u51fd\u6570\u5e94\u7528\u6837\u5f0f&#xff0c;\u4f7f\u7528qApp\u7684setStyleSheet()\u51fd\u6570\u53ef\u4ee5\u4e3a\u5e94\u7528\u7a0b\u5e8f\u5168\u5c40\u8bbe\u7f6e\u6837\u5f0f&#xff0c;\u4f7f\u7528QWidget::setStyleSheet()\u53ef\u4ee5\u4e3a\u4e00\u4e2a\u7a97\u53e3\u3001\u4e00\u4e2a\u5bf9\u8bdd\u6846\u6216\u4e00\u4e2a\u754c\u9762\u7ec4\u4ef6\u8bbe\u7f6e\u6837\u5f0f\u3002\u4f8b\u5982&#xff1a;<\/p>\n<p>qApp-&gt;setStyleSheet(&#034;QLineEdit { background-color: gray }&#034;);<\/p>\n<p>\u8fd9\u91cc\u4f7f\u7528\u5e94\u7528\u7a0b\u5e8f\u5168\u5c40\u53d8\u91cfqApp\u4e3aQLineEdit\u8bbe\u7f6e\u6837\u5f0f&#xff0c;\u5982\u679c\u5e94\u7528\u7a0b\u5e8f\u5185\u7684\u67d0\u4e9bQLineEdit\u7ec4\u4ef6\u6ca1\u6709\u518d\u88ab\u8bbe\u7f6e\u6837\u5f0f&#xff0c;\u5219QLineEdit\u7ec4\u4ef6\u7684\u80cc\u666f\u8272\u4e3a\u7070\u8272\u3002<\/p>\n<p>MainWindow-&gt;setStyleSheet(&#034;QLineEdit { background-color: lime }&#034;);<\/p>\n<p>\u8fd9\u662f\u4e3a\u4e3b\u7a97\u53e3MainWindow\u5185\u7684QLineEdit\u7ec4\u4ef6\u8bbe\u7f6e\u6837\u5f0f&#xff0c;\u5373\u80cc\u666f\u8272\u4e3a\u4eae\u7eff\u8272\u3002<\/p>\n<p>editName-&gt;setStyleSheet(&#034;color: blue;&#034;<br \/>\n                &#034;background-color: yellow;&#034;<br \/>\n                &#034;selection-color: yellow;&#034;<br \/>\n                &#034;selection-background-color: blue;&#034;);<\/p>\n<p>\u8fd9\u662f\u8bbe\u7f6e\u4e00\u4e2aObjectName\u4e3aeditName\u7684QLineEdit\u7ec4\u4ef6\u7684\u6837\u5f0f&#xff0c;\u6ce8\u610f\u8fd9\u65f6\u5728\u6837\u5f0f\u8868\u4e2d\u65e0\u9700\u8bbe\u7f6eselector\u540d\u79f0&#xff0c;\u6240\u8bbe\u7f6e\u7684\u6837\u5f0f\u662f\u5e94\u7528\u4e8eeditName\u8fd9\u4e2aQLineEdit\u7ec4\u4ef6\u7684\u3002<\/p>\n<p>\u8fd9\u6837\u5c06\u6837\u5f0f\u8868\u56fa\u5b9a\u5728\u7a0b\u5e8f\u4e2d&#xff0c;\u5f88\u663e\u7136\u4e5f\u662f\u65e0\u6cd5\u5b9e\u73b0\u5207\u6362\u754c\u9762\u6548\u679c\u7684\u3002\u4e3a\u4e86\u5b9e\u73b0\u5207\u6362\u754c\u9762\u6548\u679c&#xff08;\u6362\u80a4&#xff09;\u7684\u76ee\u7684&#xff0c;\u4e00\u822c\u5c06\u6837\u5f0f\u5b9a\u4e49\u8868\u4fdd\u5b58\u4e3aqss\u540e\u7f00\u7684\u7eaf\u6587\u672c\u6587\u4ef6&#xff0c;\u7136\u540e\u5728\u7a0b\u5e8f\u4e2d\u6253\u5f00\u6587\u4ef6&#xff0c;\u8bfb\u53d6\u6587\u672c\u5185\u5bb9&#xff0c;\u518d\u8c03\u7528setStyleSheet()\u51fd\u6570\u5e94\u7528\u6837\u5f0f\u3002\u793a\u4f8b\u4ee3\u7801\u5982\u4e0b&#xff1a;<\/p>\n<p>QFile file(&#034;:\/qss\/mystyle.qss&#034; );<br \/>\nfile.open(QFile::ReadOnly);<br \/>\nQString styleSheet &#061; QString::fromLatin1(file.readAll());<br \/>\nqApp-&gt;setStyleSheet(styleSheet);<\/p>\n<h5>2&#xff0e;\u6837\u5f0f\u5b9a\u4e49\u7684\u660e\u786e\u6027<\/h5>\n<p>\u5f53\u591a\u6761\u6837\u5f0f\u6cd5\u5219\u5bf9\u4e00\u4e2a\u5c5e\u6027\u5b9a\u4e49\u4e86\u4e0d\u540c\u503c\u65f6&#xff0c;\u5c31\u4f1a\u51fa\u73b0\u51b2\u7a81&#xff0c;\u4f8b\u5982&#xff1a;<\/p>\n<p>QPushButton#btnSave { color: gray }<br \/>\nQPushButton { color: red }<\/p>\n<p>\u8fd9\u4e24\u6761\u6cd5\u5219\u90fd\u53ef\u4ee5\u5e94\u7528\u4e8eObjectName\u4e3abtnSave\u7684QPushButton\u7ec4\u4ef6&#xff0c;\u90fd\u5b9a\u4e49\u4e86\u5176\u524d\u666f\u8272&#xff0c;\u8fd9\u5c31\u4f1a\u51fa\u73b0\u51b2\u7a81\u3002\u8fd9\u65f6&#xff0c;\u9009\u62e9\u5668\u7684\u660e\u786e\u6027&#xff08;specificity&#xff09;\u51b3\u5b9a\u7ec4\u4ef6\u9002\u7528\u7684\u6837\u5f0f\u6cd5\u5219&#xff0c;\u5373\u6cd5\u5219\u5e94\u7528\u4e8e\u66f4\u660e\u786e\u7684\u7ec4\u4ef6\u3002\u5728\u4e0a\u9762\u7684\u4f8b\u5b50\u4e2d&#xff0c;QPushButton#btnSave\u88ab\u8ba4\u4e3a\u662f\u6bd4QPushButton\u66f4\u660e\u786e\u7684\u9009\u62e9\u5668&#xff0c;\u56e0\u4e3a\u5b83\u6307\u5411\u4e00\u4e2a\u5bf9\u8c61&#xff0c;\u800c\u4e0d\u662fQPushButton\u7684\u6240\u6709\u5b9e\u4f8b\u3002\u6240\u4ee5&#xff0c;\u5982\u679c\u662f\u5728\u4e00\u4e2a\u7a97\u53e3\u4e0a\u5e94\u7528\u4ee5\u4e0a\u4e24\u6761\u6cd5\u5219&#xff0c;\u5219btnSave\u6309\u94ae\u7684\u524d\u666f\u8272\u4e3agray&#xff0c;\u800c\u5176\u4ed6\u6309\u94ae\u7684\u524d\u666f\u8272\u4e3ared\u3002<\/p>\n<p>\u540c\u6837&#xff0c;\u5177\u6709\u4f2a\u72b6\u6001\u7684\u9009\u62e9\u5668\u88ab\u8ba4\u4e3a\u6bd4\u6ca1\u6709\u4f2a\u72b6\u6001\u7684\u9009\u62e9\u5668\u660e\u786e\u6027\u66f4\u5f3a&#xff0c;\u5982&#xff1a;<\/p>\n<p>QPushButton:hover { color: white }<br \/>\nQPushButton { color: red }<\/p>\n<p>\u8fd9\u6837&#xff0c;\u5f53\u9f20\u6807\u5728\u6309\u94ae\u4e0a\u505c\u7559\u65f6\u989c\u8272\u4e3awhite&#xff0c;\u5426\u5219\u989c\u8272\u4e3ared\u3002<\/p>\n<p>\u5982\u679c\u4e24\u4e2a\u9009\u62e9\u5668\u5177\u6709\u76f8\u540c\u7684\u660e\u786e\u6027&#xff0c;\u5219\u4ee5\u6cd5\u5219\u51fa\u73b0\u7684\u5148\u540e\u987a\u5e8f\u4e3a\u51c6&#xff0c;\u540e\u51fa\u73b0\u7684\u6cd5\u5219\u8d77\u4f5c\u7528&#xff0c;\u4f8b\u5982&#xff1a;<\/p>\n<p>QPushButton:hover { color: white }<br \/>\nQPushButton:enabled { color: red }<\/p>\n<p>\u8fd9\u91cc\u7684\u4e24\u4e2a\u9009\u62e9\u5668\u5177\u6709\u76f8\u540c\u7684\u660e\u786e\u6027&#xff0c;\u6240\u4ee5&#xff0c;\u5f53\u9f20\u6807\u505c\u7559\u5728\u4e00\u4e2a\u4f7f\u80fd\u7684\u6309\u94ae\u4e0a\u65f6&#xff0c;\u53ea\u6709\u7b2c\u4e8c\u6761\u6cd5\u5219\u8d77\u4f5c\u7528\u3002\u8fd9\u79cd\u60c5\u51b5\u4e0b&#xff0c;\u5982\u679c\u5e0c\u671b\u4e0d\u51fa\u73b0\u51b2\u7a81&#xff0c;\u5e94\u8be5\u4fee\u6539\u6cd5\u5219\u4ee5\u4f7f\u5176\u66f4\u660e\u786e&#xff0c;\u5982\u4e0b\u9762\u8fd9\u4e24\u6761\u6cd5\u5219\u662f\u4e0d\u51b2\u7a81\u7684\u3002<\/p>\n<p>QPushButton:hover:enabled { color: white }<br \/>\nQPushButton:enabled { color: red }<\/p>\n<p>\u7236\u5b50\u5173\u7cfb\u7684\u4e24\u4e2a\u7c7b\u4f5c\u4e3a\u9009\u62e9\u5668\u65f6&#xff0c;\u5177\u6709\u76f8\u540c\u7684\u660e\u786e\u6027&#xff0c;\u4f8b\u5982&#xff1a;<\/p>\n<p>QPushButton { color: red }<br \/>\nQAbstractButton { color: gray }<\/p>\n<p>\u8fd9\u4e24\u4e2a\u9009\u62e9\u5668\u7684\u660e\u786e\u6027\u76f8\u540c&#xff0c;\u6240\u4ee5\u53ea\u4f9d\u8d56\u4e8e\u8bed\u53e5\u7684\u5148\u540e\u987a\u5e8f\u3002<\/p>\n<p>\u786e\u5b9a\u6cd5\u5219\u7684\u660e\u786e\u6027&#xff0c;Qt\u6837\u5f0f\u8868\u9075\u5faaCSS2\u7684\u89c4\u5b9a&#xff0c;\u5728\u8bbe\u8ba1\u6837\u5f0f\u8868\u65f6\u5e94\u5c3d\u91cf\u660e\u786e\u5e76\u907f\u514d\u51b2\u7a81\u60c5\u51b5\u3002<\/p>\n<h5>3&#xff0e;\u6837\u5f0f\u5b9a\u4e49\u7684\u7ea7\u8054\u6027<\/h5>\n<p>\u6837\u5f0f\u5b9a\u4e49\u53ef\u4ee5\u5728qApp\u3001\u7a97\u53e3\u6216\u4e00\u4e2a\u5177\u4f53\u7ec4\u4ef6\u4e2d\u5b9a\u4e49&#xff0c;\u4efb\u4f55\u4e00\u4e2a\u7ec4\u4ef6\u7684\u6837\u5f0f\u662f\u5176\u7236\u7ec4\u4ef6\u3001\u7236\u7a97\u53e3\u548cqApp\u7684\u6837\u5f0f\u7684\u878d\u5408\u3002\u5f53\u51fa\u73b0\u51b2\u7a81\u65f6&#xff0c;\u7ec4\u4ef6\u4f1a\u4f7f\u7528\u79bb\u81ea\u5df1\u6700\u8fd1\u7684\u6837\u5f0f\u5b9a\u4e49&#xff0c;\u5373\u6309\u987a\u5e8f\u4f7f\u7528\u7ec4\u4ef6\u81ea\u5df1\u7684\u6837\u5f0f\u3001\u6216\u7236\u7ec4\u4ef6\u7684\u6837\u5f0f\u5b9a\u4e49\u3001\u6216\u7236\u7a97\u53e3\u7684\u6837\u5f0f\u5b9a\u4e49&#xff0c;\u6216qApp\u7684\u6837\u5f0f\u5b9a\u4e49&#xff0c;\u800c\u4e0d\u8003\u8651\u6837\u5f0f\u9009\u62e9\u5668\u7684\u786e\u5b9a\u6027\u3002<\/p>\n<p>\u4f8b\u5982&#xff0c;\u5728QApplication\u4e2d\u8bbe\u7f6e\u5168\u5c40\u6837\u5f0f&#xff1a;<\/p>\n<p>qApp-&gt;setStyleSheet(&#034;QPushButton { color: red }&#034;);<\/p>\n<p>\u90a3\u4e48\u5e94\u7528\u7a0b\u5e8f\u4e2d\u6240\u6709\u672a\u518d\u5b9a\u4e49\u6837\u5f0f\u7684QPushButton\u7684\u524d\u666f\u989c\u8272\u4e3ared\u3002<\/p>\n<p>\u5982\u679c\u5728MainWindow\u4e2d\u518d\u5b9a\u4e49\u6837\u5f0f&#xff1a;<\/p>\n<p>MainWindow-&gt;setStyleSheet(&#034;QPushButton { color: blue }&#034;);<\/p>\n<p>\u5219MainWindow\u4e0a\u7684\u6309\u94ae\u7684\u524d\u666f\u8272\u4e3ablue&#xff0c;\u800c\u4e0d\u662fred\u3002<\/p>\n<p>\u5982\u679cMainWindow\u4e0a\u6709\u4e00\u4e2a\u540d\u79f0\u4e3abtnSave\u7684QPushButton\u6309\u94ae&#xff0c;\u5176\u5b9a\u4e49\u6837\u5f0f\u5982\u4e0b&#xff1a;<\/p>\n<p>btnSave-&gt;setStyleSheet(&#034;color: yellow; background-color: black;&#034;);<\/p>\n<p>\u5219\u6309\u94aebtnSave\u6309\u7167\u81ea\u5df1\u7684\u6837\u5f0f\u663e\u793a\u524d\u666f\u548c\u80cc\u666f\u8272\u3002<\/p>\n<p>Qt\u6837\u5f0f\u8868\u529f\u80fd\u5f3a\u5927&#xff0c;\u53ef\u4ee5\u8bbe\u8ba1\u81ea\u5df1\u60f3\u8981\u7684\u754c\u9762\u6548\u679c&#xff0c;\u4f46\u662f\u8fd9\u9700\u8981\u6709\u8f83\u597d\u7684\u7f8e\u5de5\u8bbe\u8ba1\u57fa\u7840&#xff0c;\u9700\u8981\u5728\u4f7f\u7528\u6837\u5f0f\u8868\u7684\u8fc7\u7a0b\u4e2d\u4e0d\u65ad\u5c1d\u8bd5\u548c\u603b\u7ed3\u7ecf\u9a8c\u3002<\/p>\n<h3>16.3\u3000\u4f7f\u7528QStyle\u8bbe\u7f6e\u754c\u9762\u5916\u89c2<\/h3>\n<h4>16.3.1\u3000QStyle\u7684\u4f5c\u7528<\/h4>\n<p>Qt\u662f\u4e00\u4e2a\u8de8\u5e73\u53f0\u7684\u7c7b\u5e93&#xff0c;\u76f8\u540c\u7684\u754c\u9762\u7ec4\u4ef6\u5728\u4e0d\u540c\u7684\u64cd\u4f5c\u7cfb\u7edf\u4e0a\u663e\u793a\u6548\u679c\u662f\u4e0d\u4e00\u6837\u7684\u3002QStyle\u662f\u5c01\u88c5\u4e86GUI\u754c\u9762\u7ec4\u4ef6\u5916\u89c2\u7684\u62bd\u8c61\u7c7b&#xff0c;Qt\u5b9a\u4e49\u4e86QStyle\u7c7b\u7684\u4e00\u4e9b\u5b50\u7c7b&#xff0c;\u5e94\u7528\u4e8e\u4e0d\u540c\u7684\u64cd\u4f5c\u7cfb\u7edf&#xff0c;\u5982QWindowsStyle\u548cQMacStyle\u7b49\u3002\u8fd9\u4e9b\u6837\u5f0f\u662fQt GUI\u6a21\u5757\u81ea\u5e26\u7684&#xff0c;\u5728\u4e0d\u540c\u7684\u5e73\u53f0\u4e0a\u7f16\u8bd1\u8fd0\u884c\u7684\u7a0b\u5e8f\u5177\u6709\u7f3a\u7701\u7684\u6837\u5f0f&#xff0c;QApplication::style()\u53ef\u4ee5\u8fd4\u56de\u5e94\u7528\u7a0b\u5e8f\u7f3a\u7701\u7684\u6837\u5f0f\u3002<\/p>\n<p>Qt\u5185\u7f6e\u7684\u754c\u9762\u7ec4\u4ef6\u90fd\u4f7f\u7528QStyle\u8fdb\u884c\u7ed8\u5236&#xff0c;\u4ee5\u4fdd\u8bc1\u5b83\u4eec\u4e0e\u8fd0\u884c\u5e73\u53f0\u7684\u754c\u9762\u6548\u679c\u4e00\u81f4&#xff0c;\u5982\u539f\u4e66\u7684\u56fe16-8\u6240\u793a\u662fQComboBox\u5728\u4e0d\u540c\u64cd\u4f5c\u7cfb\u7edf\u4e0a\u7684\u4e5d\u79cd\u4e0d\u540c\u7684\u6837\u5f0f\u3002<\/p>\n<p>QStyleFactory\u7c7b\u7ba1\u7406\u7740Qt\u7684\u5185\u7f6e\u6837\u5f0f&#xff0c;QStyleFactory\u6709\u4e24\u4e2a\u9759\u6001\u51fd\u6570keys()\u548ccreate()&#xff0c;\u5176\u51fd\u6570\u539f\u578b\u5982\u4e0b&#xff1a;<\/p>\n<p>QStringList QStyleFactory::keys()<br \/>\nQStyle *QStyleFactory::create(const QString &amp;key)<\/p>\n<p>keys()\u51fd\u6570\u8fd4\u56de\u4e00\u4e2a\u5b57\u7b26\u4e32\u5217\u8868&#xff0c;\u662f\u6240\u5728\u5e73\u53f0\u652f\u6301\u7684QStyle\u7684\u540d\u79f0\u5217\u8868&#xff1b;create()\u51fd\u6570\u6839\u636e\u6837\u5f0f\u540d\u79f0\u5b57\u7b26\u4e32\u521b\u5efa\u4e00\u4e2aQStyle\u5bf9\u8c61\u3002<\/p>\n<p>QApplication\u6709\u4e24\u4e2a\u9759\u6001\u51fd\u6570\u7528\u4e8e\u64cd\u4f5c\u6837\u5f0f&#xff0c;\u5176\u51fd\u6570\u539f\u578b\u4e3a&#xff1a;<\/p>\n<p>QStyle *QApplication::style()<br \/>\nvoid QApplication::setStyle(QStyle *style)<\/p>\n<p>style()\u51fd\u6570\u8fd4\u56de\u5e94\u7528\u7a0b\u5e8f\u5f53\u524d\u7684\u6837\u5f0f&#xff0c;\u4efb\u4f55\u4e00\u4e2aGUI\u5e94\u7528\u7a0b\u5e8f&#xff0c;\u5728\u521b\u5efa\u65f6\u5c31\u6709\u4e00\u4e2a\u7f3a\u7701\u7684\u6837\u5f0f&#xff0c;\u901a\u8fc7\u4e0b\u9762\u7684\u8bed\u53e5&#xff1a;<\/p>\n<p>QApplication::style()-&gt;metaObject()-&gt;className()<\/p>\n<p>\u53ef\u4ee5\u83b7\u5f97\u8fd9\u4e2a\u7f3a\u7701\u6837\u5f0f\u7684\u540d\u79f0\u3002<\/p>\n<p>setStyle()\u4e3a\u5e94\u7528\u7a0b\u5e8f\u8bbe\u7f6e\u4e00\u4e2a\u6837\u5f0f&#xff0c;\u8bbe\u7f6e\u6837\u5f0f\u540e&#xff0c;\u754c\u9762\u5143\u7d20\u90fd\u5177\u6709\u8fd9\u4e2a\u6837\u5f0f\u6240\u5b9a\u4e49\u7684\u5916\u89c2\u3002<\/p>\n<p>\u9664\u4e86\u8fd9\u4e9bQt\u5185\u7f6e\u7684\u6837\u5f0f&#xff0c;\u7528\u6237\u4e5f\u53ef\u4ee5\u4eceQStyle\u7c7b\u7ee7\u627f&#xff0c;\u5b9a\u4e49\u81ea\u5df1\u7684\u6837\u5f0f&#xff0c;\u4e00\u822c\u662f\u4eceQStyle\u7684\u5b50\u7c7bQProxyStyle\u7ee7\u627f\u3002<\/p>\n<h4>16.3.2\u3000Qt\u5185\u7f6e\u6837\u5f0f\u7684\u4f7f\u7528<\/h4>\n<p>\u4f7f\u7528Qt\u5185\u7f6e\u7684\u6837\u5f0f&#xff0c;\u53ef\u4ee5\u901a\u8fc7QStyleFactory::keys()\u83b7\u53d6\u8fd0\u884c\u5e73\u53f0\u652f\u6301\u7684\u6837\u5f0f\u5217\u8868&#xff0c;\u7136\u540e\u7528QStyleFactory::create()\u521b\u5efa\u6837\u5f0f&#xff0c;\u518d\u7528QApplication::setStyle()\u8bbe\u7f6e\u6837\u5f0f\u5373\u53ef\u3002<\/p>\n<p>\u521b\u5efa\u4e00\u4e2a\u57fa\u4e8eQMainWindow\u7684Widget\u5e94\u7528\u7a0b\u5e8fsamp16_2&#xff0c;\u5e76\u8bbe\u8ba1\u754c\u9762\u3002\u5982\u539f\u4e66\u7684\u56fe16-9\u6240\u793a\u662f\u8bbe\u7f6e\u4e3aQWindowsStyle\u6837\u5f0f\u65f6\u7684\u8fd0\u884c\u754c\u9762&#xff0c;\u5177\u6709\u8001\u5f0f\u7684 Windows\u754c\u9762\u6548\u679c\u3002<\/p>\n<p>\u4e0b\u9762\u662f\u4e3b\u7a97\u53e3\u6784\u9020\u51fd\u6570\u7684\u4ee3\u7801&#xff1a;<\/p>\n<p>QMainWindow(parent),   ui(new Ui::MainWindow)<br \/>\n{<br \/>\n   ui-&gt;setupUi(this);<br \/>\n   QRegExp regExp(&#034;.(.*)\\\\\\\\&#043;?Style&#034;);<br \/>\n   QString defaultStyle &#061; QApplication::style()-&gt;metaObject()-&gt;className();<br \/>\n   ui-&gt;statusBar-&gt;showMessage(defaultStyle);<br \/>\n   if (regExp.exactMatch(defaultStyle))<br \/>\n      defaultStyle &#061; regExp.cap(1);<br \/>\n   ui-&gt;comboSysStyle-&gt;addItems(QStyleFactory::keys());<br \/>\n   ui-&gt;comboSysStyle-&gt;setCurrentIndex(ui-&gt;comboSysStyle-&gt;findText(<br \/>\n                  defaultStyle, Qt::MatchContains));<br \/>\n}<\/p>\n<p>\u5728\u6784\u9020\u51fd\u6570\u4e2d&#xff0c;\u901a\u8fc7QStyleFactory::keys()\u83b7\u53d6\u5f53\u524d\u5e73\u53f0\u4e0a\u7684\u6837\u5f0f\u540d\u79f0\u5217\u8868&#xff0c;\u5e76\u6dfb\u52a0\u5230\u4e0b\u62c9\u5217\u8868\u6846comboSysStyle\u91cc\u3002<\/p>\n<p>\u7a0b\u5e8f\u8fd0\u884c\u540e&#xff0c;\u5728\u201c\u7cfb\u7edf\u6837\u5f0f\u201d\u4e0b\u62c9\u5217\u8868\u6846\u91cc\u4f1a\u663e\u793a\u5f53\u524d\u5e73\u53f0\u652f\u6301\u7684\u6837\u5f0f\u5217\u8868&#xff0c;\u4f8b\u5982\u5728Windows\u5e73\u53f0\u4e0a&#xff0c;\u5217\u8868\u91cc\u4f1a\u6709Widnows\u3001WidnowsXP\u3001WidnowsVista\u548cFusion\u3002\u5728\u201c\u7cfb\u7edf\u6837\u5f0f\u201d\u4e0b\u62c9\u5217\u8868\u6846\u4e2d\u9009\u62e9\u4e00\u4e2a\u6837\u5f0f\u53ef\u4ee5\u4e3a\u5e94\u7528\u7a0b\u5e8f\u8bbe\u7f6e\u6837\u5f0f&#xff0c;\u4e0b\u62c9\u5217\u8868\u6846comboSysStyle\u7684currentIndexChanged()\u4fe1\u53f7\u54cd\u5e94\u69fd\u51fd\u6570\u4ee3\u7801\u5982\u4e0b&#xff1a;<\/p>\n<p>void MainWindow::on_comboSysStyle_currentIndexChanged(const QString &amp;arg1)<br \/>\n{<br \/>\n\/\/   qApp-&gt;setStyle(arg1);<br \/>\n   QStyle *style&#061;QStyleFactory::create(arg1);<br \/>\n   qApp-&gt;setStyle(style);<br \/>\n   ui-&gt;statusBar-&gt;showMessage(style-&gt;metaObject()-&gt;className());<br \/>\n}<\/p>\n<p>\u8fd9\u91cc\u9996\u5148\u4f7f\u7528QStyleFactory::create(arg1)\u6839\u636e\u9009\u62e9\u7684\u6837\u5f0f\u540d\u79f0\u5b57\u7b26\u4e32arg1\u521b\u5efa\u6837\u5f0fstyle&#xff0c;\u7136\u540e\u4f7f\u7528qApp-&gt;setStyle(style)\u4e3a\u5e94\u7528\u7a0b\u5e8f\u8bbe\u7f6e\u6837\u5f0f\u3002<\/p>\n<p>\u5982\u679c\u4e0d\u662f\u9700\u8981\u663e\u793a\u6837\u5f0f\u7684\u7c7b\u540d\u79f0&#xff0c;\u76f4\u63a5\u4f7f\u7528qApp-&gt;setStyle(arg1)\u4e5f\u53ef\u4ee5\u4e3a\u5e94\u7528\u7a0b\u5e8f\u8bbe\u7f6e\u6837\u5f0f\u3002<\/p>\n<p>\u7a97\u53e3\u4e0a\u6709\u201c\u53d6\u6d88\u6837\u5f0f\u8868\u201d\u548c\u201c\u5e94\u7528\u6837\u5f0f\u8868\u201d\u4e24\u4e2a\u6309\u94ae&#xff0c;\u4ee3\u7801\u5982\u4e0b&#xff1a;<\/p>\n<p>void MainWindow::on_btnNormal_clicked()<br \/>\n{\/\/\u53d6\u6d88\u6240\u6709\u6837\u5f0f\u8868<br \/>\n   this-&gt;setStyleSheet(&#034;&#034;);<br \/>\n}<br \/>\nvoid MainWindow::on_btnStyleSheet_clicked()<br \/>\n{\/\/\u8bbe\u7f6e\u6837\u5f0f\u8868<br \/>\n   this-&gt;setStyleSheet(&#034;QPlainTextEdit{&#034;color: blue; &#034;<br \/>\n                  &#034;font: 13pt &#039;\u5b8b\u4f53&#039;;}&#034;<br \/>\n                  &#034;QPushButton:hover{background-color:lime;}&#034;<br \/>\n                  &#034;QLineEdit{ border: 2px groove red;&#034;<br \/>\n                  &#034;background-color: rgb(170, 255, 127); &#034;<br \/>\n                  &#034;border-radius: 6px;}&#034;<br \/>\n                  &#034;QCheckBox:checked{color: red;}&#034;<br \/>\n                  &#034;QRadioButton:checked{color:red;}&#034;<br \/>\n                  );<br 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