如题，我使用pyqt5写一个计算哈希的工具，有多个button, button_1 ,button_2 ...button_n。
每个button的文本为对应的哈希算法，我希望每点击一个按钮时获取其文本，将字符传给我定义的哈希函数 def hash(self) 中的变量 hashtype。请问怎样才能用一个函数实现这个功能，而不是在slot函数中全部去绑定，然后定义每一个button？按钮少的话还可以，假设有100个肯定不能这样吧。

from PyQt5 import QtCore, QtGui, QtWidgets
from PyQt5.QtWidgets import *
import binascii
import hashlib
import sys


class Ui_MainWindow(object):
    def setupUi(self, MainWindow):
        MainWindow.setObjectName("MainWindow")
        MainWindow.resize(435, 316)
        self.centralwidget = QtWidgets.QWidget(MainWindow)
        self.centralwidget.setObjectName("centralwidget")
        self.plainTextEdit = QtWidgets.QPlainTextEdit(self.centralwidget)
        self.plainTextEdit.setGeometry(QtCore.QRect(20, 10, 401, 121))
        self.plainTextEdit.setObjectName("plainTextEdit")
        self.pushButton_1 = QtWidgets.QPushButton(self.centralwidget)
        self.pushButton_1.setGeometry(QtCore.QRect(20, 140, 75, 23))
        self.pushButton_1.setObjectName("pushButton")
        self.pushButton_2 = QtWidgets.QPushButton(self.centralwidget)
        self.pushButton_2.setGeometry(QtCore.QRect(100, 140, 75, 23))
        self.pushButton_2.setObjectName("pushButton_2")
        self.pushButton_3 = QtWidgets.QPushButton(self.centralwidget)
        self.pushButton_3.setGeometry(QtCore.QRect(180, 140, 75, 23))
        self.pushButton_3.setObjectName("pushButton_3")
        self.pushButton_4 = QtWidgets.QPushButton(self.centralwidget)
        self.pushButton_4.setGeometry(QtCore.QRect(260, 140, 75, 23))
        self.pushButton_4.setObjectName("pushButton_4")
        self.pushButton_5 = QtWidgets.QPushButton(self.centralwidget)
        self.pushButton_5.setGeometry(QtCore.QRect(340, 140, 75, 23))
        self.pushButton_5.setObjectName("pushButton_5")
        self.plainTextEdit_2 = QtWidgets.QPlainTextEdit(self.centralwidget)
        self.plainTextEdit_2.setGeometry(QtCore.QRect(20, 170, 401, 101))
        self.plainTextEdit_2.setObjectName("plainTextEdit_2")
        MainWindow.setCentralWidget(self.centralwidget)
        self.menubar = QtWidgets.QMenuBar(MainWindow)
        self.menubar.setGeometry(QtCore.QRect(0, 0, 435, 23))
        self.menubar.setObjectName("menubar")
        MainWindow.setMenuBar(self.menubar)
        self.statusbar = QtWidgets.QStatusBar(MainWindow)
        self.statusbar.setObjectName("statusbar")
        MainWindow.setStatusBar(self.statusbar)

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

    def retranslateUi(self, MainWindow):
        _translate = QtCore.QCoreApplication.translate
        MainWindow.setWindowTitle(_translate("MainWindow", "MainWindow"))
        self.pushButton_1.setText(_translate("MainWindow", "SHA1"))
        self.pushButton_2.setText(_translate("MainWindow", "SHA224"))
        self.pushButton_3.setText(_translate("MainWindow", "SHA256"))
        self.pushButton_4.setText(_translate("MainWindow", "SHA384"))
        self.pushButton_5.setText(_translate("MainWindow", "SHA512"))


class TestGUI(Ui_MainWindow):
    def __init__(self, MainWindow):
        self.setupUi(MainWindow)
        self.connect_slot()

    def hash(self):
        src = self.plainTextEdit.toPlainText()
        hashtype = self.pushButton_1.text()
        myHash = hashlib.new(hashtype)
        myHash.update(binascii.a2b_hex(src))
        self.plainTextEdit_2.setPlainText(myHash.hexdigest().upper())

    def connect_slot(self):
        """连接各控件的槽函数"""
        self.pushButton_1.clicked.connect(self.hash)
        self.pushButton_2.clicked.connect(self.hash)
        self.pushButton_3.clicked.connect(self.hash)
        self.pushButton_4.clicked.connect(self.hash)
        self.pushButton_5.clicked.connect(self.hash)


if __name__ == "__main__":
    app = QApplication(sys.argv)
    mainWindow = QMainWindow()
    ui = TestGUI(mainWindow)
    mainWindow.show()
    sys.exit(app.exec_())

安卓过期输入密码如何实现？

am540

3个回复