1.主要用到 QFileDialog 方法打开本地文件 2.界面 打开前: 打开后: 3. 代码 import sys from PyQt5 import QtWidgets, QtCore, QtGui from PyQt5.QtGui import * from PyQt5.QtWidgets import * from PyQt5.QtCore import * class picture(QWidget): def __init__(self): super(picture, self).__init__() self.resize(600, 400)