QT pyqt pyside2 QLabel 自动换行设置注意点

QT pyqt pyside2 QLabel 自动换行设置注意点

先看效果：

PySide2（QT5） 的 QT Designer （我在 QT4 的 designer 中不可以直接看效果，可能需要设置什么）能直接在编辑器中看效果，Label设置如下：

注意：不要在同HorizonLayout中加弹簧，Label Horizontal 必须是 Expanding 的，很长的英文单词并不会像中文那样会分开换行，所以注意英文单词之间要用空格键隔开。

代码：

 # -*- coding: utf-8 -*-

 # Form implementation generated from reading ui file '.\labelAutoMultiLine.ui'
 #
 # Created: Fri Nov 02 19:02:05 2018
 #      by: pyside-uic 0.2.15 running on PySide 1.2.4
 #
 # WARNING! All changes made in this file will be lost!

 from PySide import QtCore, QtGui

 class Ui_Form(object):
     def setupUi(self, Form):
         Form.setObjectName("Form")
         Form.resize(315, 86)
         self.horizontalLayout = QtGui.QHBoxLayout(Form)
         self.horizontalLayout.setObjectName("horizontalLayout")
         self.pushButton = QtGui.QPushButton(Form)
         sizePolicy = QtGui.QSizePolicy(QtGui.QSizePolicy.Preferred, QtGui.QSizePolicy.Preferred)
         sizePolicy.setHorizontalStretch(0)
         sizePolicy.setVerticalStretch(0)
         sizePolicy.setHeightForWidth(self.pushButton.sizePolicy().hasHeightForWidth())
         self.pushButton.setSizePolicy(sizePolicy)
         self.pushButton.setMinimumSize(QtCore.QSize(64, 64))
         self.pushButton.setMaximumSize(QtCore.QSize(64, 64))
         self.pushButton.setObjectName("pushButton")
         self.horizontalLayout.addWidget(self.pushButton)
         self.label = QtGui.QLabel(Form)
         sizePolicy = QtGui.QSizePolicy(QtGui.QSizePolicy.Expanding, QtGui.QSizePolicy.Preferred)
         sizePolicy.setHorizontalStretch(0)
         sizePolicy.setVerticalStretch(0)
         sizePolicy.setHeightForWidth(self.label.sizePolicy().hasHeightForWidth())
         self.label.setSizePolicy(sizePolicy)
         self.label.setWordWrap(True)
         self.label.setObjectName("label")
         self.horizontalLayout.addWidget(self.label)

         self.retranslateUi(Form)
         QtCore.QMetaObject.connectSlotsByName(Form)

     def retranslateUi(self, Form):
         Form.setWindowTitle(QtGui.QApplication.translate("Form", "Form", None, QtGui.QApplication.UnicodeUTF8))
         self.pushButton.setText(QtGui.QApplication.translate("Form", "Button", None, QtGui.QApplication.UnicodeUTF8))
         self.label.setText(QtGui.QApplication.translate("Form", "TextLabel", None, QtGui.QApplication.UnicodeUTF8))

labelAutoMultiLine_ui_pyside.py

 # -*- coding: utf-8 -*-
 import sys
 from PySide import QtCore, QtGui
 import labelAutoMultiLine_ui_pyside as ui

 class TestWindow(QtGui.QWidget, ui.Ui_Form):
     def __init__(self, parent = None):
         super(TestWindow, self).__init__(parent)
         self.setupUi(self)

         self.label.setWordWrap(True)    #也可以在qt designer中对label的属性设置
         self.label.setText(u'测试Label自动换行，SDFSDF SFSDF 啊啊啊啊啊啊')      # 如果在designer中设置好很长的text，在代码中不设置，则可能不会自动换行

 def main():
     app = QtGui.QApplication(sys.argv)
     win = TestWindow()
     win.show()
     sys.exit(app.exec_())

 if __name__ == '__main__':
     main()