使用QT Designer设计软件界面
使用过程没什么说的
假定生成的ui文件如下:
<?xml version="1.0" encoding="UTF-8"?>
<ui version="4.0">
 <class>Form</class>
 <widget class="QWidget" name="Form">
  <property name="geometry">
   <rect>
    <x>0</x>
    <y>0</y>
    <width>203</width>
    <height>177</height>
   </rect>
  </property>
  <property name="windowTitle">
   <string>Form</string>
  </property>
  <widget class="QWidget" name="">
   <property name="geometry">
    <rect>
     <x>20</x>
     <y>20</y>
     <width>164</width>
     <height>139</height>
    </rect>
   </property>
   <layout class="QVBoxLayout" name="verticalLayout_3">
    <item>
     <widget class="QLineEdit" name="lineEdit"/>
    </item>
    <item>
     <layout class="QHBoxLayout" name="horizontalLayout">
      <item>
       <layout class="QVBoxLayout" name="verticalLayout_2">
        <item>
         <widget class="QPushButton" name="pushButton_7">
          <property name="text">
           <string>PushButton</string>
          </property>
         </widget>
        </item>
        <item>
         <widget class="QPushButton" name="pushButton_5">
          <property name="text">
           <string>PushButton</string>
          </property>
         </widget>
        </item>
        <item>
         <widget class="QPushButton" name="pushButton">
          <property name="text">
           <string>PushButton</string>
          </property>
         </widget>
        </item>
       </layout>
      </item>
      <item>
       <layout class="QVBoxLayout" name="verticalLayout">
        <item>
         <widget class="QPushButton" name="pushButton_2">
          <property name="text">
           <string>PushButton</string>
          </property>
         </widget>
        </item>
        <item>
         <widget class="QPushButton" name="pushButton_8">
          <property name="text">
           <string>PushButton</string>
          </property>
         </widget>
        </item>
        <item>
         <widget class="QPushButton" name="pushButton_4">
          <property name="text">
           <string>PushButton</string>
          </property>
         </widget>
        </item>
       </layout>
      </item>
     </layout>
    </item>
   </layout>
  </widget>
 </widget>
 <resources/>
 <connections/>
</ui>
然后修改pro文件
加入对QUitools的链接
CONFIG += uitools
其main.cpp如下:
#include <QFile>
#include <QtGui/QApplication>
#include <QtGui/QWidget>
#include <QtGui/QLineEdit>
#include <QtUiTools/QuiLoader>
int main(int argc, char *argv[])
{
    QApplication a(argc, argv);
    QUiLoader ui;
    QFile file("dlg.ui");
    QWidget* widget = ui.load(&file);
    if(widget)
    {
        widget->setWindowTitle("Dlg");
        QLineEdit* lineedit = widget->findChild<QLineEdit*>("lineEdit");
        lineedit->setStyleSheet("QLineEdit {background-color: yellow}");
        lineedit->setText("information.");
        widget->show();
    }
    return a.exec();
}