import sys
from PyQt5.Qt import *
class Window(QWidget):
def __init__(self):
super().__init__()
self.setup_ui()
def setup_ui(self):
self.setWindowTitle("Qt桌面应用程序")
self.button_1_flag = 1
self.resize(300, 300)
self.label_name = QLabel("用户名")
self.field_name = QLineEdit()
self.label_agender = QLabel("性别")
self.field_agender_male = QRadioButton("男")
self.field_agender_female = QRadioButton("女")
self.layout_agender = QHBoxLayout()
self.layout_agender.addWidget(self.field_agender_male)
self.layout_agender.addWidget(self.field_agender_female)
self.label_age = QLabel("年龄")
self.field_age = QSpinBox()
self.form_layout = QFormLayout()
self.form_layout.setFormAlignment(Qt.AlignVCenter)
self.form_layout.setLabelAlignment(Qt.AlignRight)
self.form_layout.setVerticalSpacing(20)
self.form_layout.setHorizontalSpacing(20)
# self.form_layout.setFieldGrowthPolicy(QFormLayout.FieldsStayAtSizeHint)
# self.form_layout.setFieldGrowthPolicy(QFormLayout.ExpandingFieldsGrow)
self.form_layout.setFieldGrowthPolicy(QFormLayout.AllNonFixedFieldsGrow)
self.form_layout.addRow(self.label_name, self.field_name)
self.form_layout.setWidget(1, QFormLayout.LabelRole, self.label_agender)
self.form_layout.setLayout(1, QFormLayout.FieldRole, self.layout_agender)
self.form_layout.insertRow(2, self.label_age, self.field_age)
self.setLayout(self.form_layout)
self.label_test_1 = QLabel("测试1")
self.field_test_1 = QLineEdit()
self.form_layout.addRow(self.label_test_1, self.field_test_1)
self.form_layout.addRow("测试2", QLineEdit())
print(self.form_layout.rowCount())
print(self.form_layout.getItemPosition(1))
print(self.form_layout.getItemPosition(3))
print(self.form_layout.itemAt(3).itemAt(0).widget().text())
print(self.form_layout.labelForField(self.form_layout.itemAt(9).widget()).text())
self.label_test_1.destroyed.connect(lambda: print("self.label_test_1.destroyed"))
self.field_test_1.destroyed.connect(lambda: print("self.field_test_1.destroyed"))
# self.form_layout.removeRow(3)
# take_row_result=self.form_layout.takeRow(3)
take_row_result = self.form_layout.takeRow(self.label_test_1)
print(take_row_result.labelItem.widget().text(), take_row_result.fieldItem.widget())
print(self.label_test_1)
take_row_result.labelItem.widget().hide()
take_row_result.fieldItem.widget().hide()
self.button_1 = QPushButton()
self.button_1.setText("按钮")
def button_clicked():
if self.form_layout.rowWrapPolicy() == QFormLayout.DontWrapRows:
self.form_layout.setRowWrapPolicy(QFormLayout.WrapLongRows)
elif self.form_layout.rowWrapPolicy() == QFormLayout.WrapLongRows:
self.form_layout.setRowWrapPolicy(QFormLayout.WrapAllRows)
elif self.form_layout.rowWrapPolicy() == QFormLayout.WrapAllRows:
self.form_layout.setRowWrapPolicy(QFormLayout.DontWrapRows)
self.button_1.clicked.connect(button_clicked)
self.form_layout.addRow(self.button_1)
if __name__ == '__main__':
app = QApplication(sys.argv)
window = Window()
window.show()
sys.exit(app.exec_())
