import hashlib
import os def GetFileMd5(filename):
if not os.path.isfile(filename):
return
myHash = hashlib.md5()
f = open(filename,'rb')
while True:
b = f.read(8096)
if not b :
break
myHash.update(b)
f.close()
return myHash.hexdigest() print(GetFileMd5('/Users/binyun007/Desktop/xxx')) #文件路径
窗口模式, 需要pip安装PyQt5
import sys
import os
import hashlib
from PyQt5.QtWidgets import QApplication, QWidget, QPushButton, QMessageBox
from PyQt5.Qt import QLineEdit class App(QWidget): def __init__(self):
super().__init__()
self.title = 'MD5校验'
self.left = 800
self.top = 600
self.width = 320
self.height = 200
self.initUI() def initUI(self):
self.setWindowTitle(self.title)
self.setGeometry(self.left, self.top, self.width, self.height) # create textbox
self.textbox = QLineEdit(self)
# self.textbox.setText('/Users/binyun007/Desktop/') #设置文本框的默认值
self.textbox.setText(FileRecord.readpath()) #读取文本框的默认值
self.textbox.move(20, 20)
self.textbox.resize(280, 40) # Create a button in the window
self.button = QPushButton('校验', self)
self.button.move(20, 80) # connect button to function on_click
self.button.clicked.connect(self.on_click)
self.show() def on_click(self):
textboxValue = self.textbox.text()
md5 = GetFileMd5(textboxValue)
QMessageBox.question(self, "Message", 'MD5:' + md5,
QMessageBox.Ok,QMessageBox.Ok)
"""打印完毕之后设置文本框默认值为上一次使用后的"""
FileRecord.writpath(textboxValue)
#self.textbox.setText(textboxValue) # #保存、读取MD5记录
class FileRecord(): #保存
def writpath(filepath):
with open('md5.txt','w') as f:
f.write(filepath) #读取
def readpath():
try:
with open('md5.txt','r') as f:
record = f.readline()
return record #如果文件不存在创建
except FileNotFoundError:
with open('md5.txt','w') as f:
return #校验MD5值
def GetFileMd5(filename):
if not os.path.isfile(filename):
return
myHash = hashlib.md5()
f = open(filename,'rb')
while True:
b = f.read(8096)
if not b :
break
myHash.update(b)
f.close()
return myHash.hexdigest() if __name__ == '__main__':
app = QApplication(sys.argv)
ex = App()
app.exit(app.exec_())