pyqt5加载网路图片，不本地下载。

依赖组件：

requests

class webImg:
    pass

if __name__ == '__main__':  

    import sys
    from PyQt5.QtWidgets import QApplication
    from PyQt5.QtWidgets import (QWidget,  QLabel, QVBoxLayout)

    from PyQt5.QtGui import  QPixmap

    app = QApplication(sys.argv) 

    import requests

    url='http://www.test.com/uploads/1.jpg'
    req = requests.get(url)

    print(type(req.content))
    print(dir(req))

    photo = QPixmap()
    #photo.loadFromData(req.content, "JPG")
    photo.loadFromData(req.content)

    label= QLabel()
    label.setPixmap(photo)

    widget = QWidget()
    layout =QVBoxLayout()
    widget.setLayout(layout)
    layout.addWidget(label)

    widget.show()

#####################################################
    sys.exit(app.exec_())