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QT qlabel style settings

2022-07-02 09:38:00 【Ignorant dream fireworks】

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Need to set up error The style of

Set the style

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color:rgb(255, 0, 0);
font-size:12pt;
font-family:Microsoft YaHei;

typeface 、 Color is also available through Rich text Set in the program

emit LoginError(QStringLiteral("<font style='font-size:12px; color:red;'> user name 、 Wrong password ！</font>"));

for example ：
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Implementation method ：

ui.mSizeLabel->setText(QStringLiteral("< font style='color:black; font-weight:normal;'> Saved  </font>") 
+ "< font style = 'color:#5B8FF9; font-weight:bold;'>"+QString::number(_currSize) 
+ "< / font > "+ QStringLiteral("< font style='color:black; font-weight:normal;'>  Zhang </font>" ));

Center text , Use qt Of Designer, Set horizontal and vertical center
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