获取框里面的内容,有一个BUG,搞了好久才搞定. __author__ = 'ayew'import sysfrom PyQt5.QtCore import*from PyQt5.QtWidgets import QWidget, QApplication, QGroupBox, QPushButton, QLabel, QHBoxLayout, QVBoxLayout, QGridLayout, QFormLayout, QLineEdit, QTextEditclass login(QWid