程序代码：

<?xml version="1.0" encoding="UTF-8"?>
<ui version="4.0">

 <class>Dialog</class>

 <widget class="QDialog" name="Dialog">
  <property name="geometry">
   <rect>
    <x>0</x>
    <y>0</y>
    <width>320</width>
    <height>124</height>
   </rect>
  </property>
  <property name="windowTitle">
   <string>Dialog</string>
  </property>
  <widget class="QLabel" name="label">
   <property name="geometry">
    <rect>
     <x>90</x>
     <y>20</y>
     <width>121</width>
     <height>61</height>
    </rect>
   </property>
   <property name="font">
    <font>
     <family>Verdana</family>
     <pointsize>14</pointsize>
    </font>
   </property>
   <property name="text">
    <string>Hello,World!</string>
   </property>
  </widget>

 </widget>

 <layoutdefault spacing="6" margin="11"/>

 <resources/>

 <connections/>
</ui>