self可理解成一個用于存儲類實例化前后的對象的屬性和方法的入口

屬性是對象的屬性，方法是對象的方法

如在一個線程類中：

# 【類】單個攝像頭線程 class CamThread(threading.Thread):def __init__(self, thread_id, name, cam_serial):threading.Thread.__init__(self)self.thread_id = thread_idself.cam_serial = cam_serialself.name = namedef run(self):print('攝像頭{}線程{}啟動：'.format(self.cam_serial, self.name))# 配置攝像頭并啟動流# self.cam_cfg(self.cam_serial) # 放函數里就不行了不知為什么？locals()['pipeline' + self.cam_serial] = rs.pipeline(ctx)locals()['config' + self.cam_serial] = rs.config()locals()['config' + self.cam_serial].enable_device(self.cam_serial)locals()['config' + self.cam_serial].enable_stream(rs.stream.depth, 1280, 720, rs.format.z16, 30)locals()['config' + self.cam_serial].enable_stream(rs.stream.color, 1280, 720, rs.format.bgr8, 30)locals()['pipeline' + self.cam_serial].start(locals()['config' + self.cam_serial])locals()['align' + self.cam_serial] = rs.align(rs.stream.color)# 從內存循環讀取攝像頭傳輸幀try:while True:locals()['frames' + self.cam_serial] = locals()['pipeline' + self.cam_serial].wait_for_frames()locals()['aligned_frames' + self.cam_serial] = locals()['align' + self.cam_serial].process(locals()['frames' + self.cam_serial])locals()['aligned_depth_frame' + self.cam_serial] = locals()['aligned_frames' + self.cam_serial].get_depth_frame()locals()['color_frame' + self.cam_serial] = locals()['aligned_frames' + self.cam_serial].get_color_frame()locals()['color_profile' + self.cam_serial] = locals()['color_frame' + self.cam_serial].get_profile()locals()['cvsprofile' + self.cam_serial] = rs.video_stream_profile(locals()['color_profile' + self.cam_serial])locals()['color_intrin' + self.cam_serial] = locals()['cvsprofile' + self.cam_serial].get_intrinsics()locals()['color_intrin_part' + self.cam_serial] = [locals()['color_intrin' + self.cam_serial].ppx,locals()['color_intrin' + self.cam_serial].ppy,locals()['color_intrin' + self.cam_serial].fx,locals()['color_intrin' + self.cam_serial].fy]locals()['color_image' + self.cam_serial] = np.asanyarray(locals()['color_frame' + self.cam_serial].get_data())cv2.imshow('{}'.format(self.cam_serial), locals()['color_image' + self.cam_serial])key = cv2.waitKey(1)finally:print('攝像頭{}線程{}結束：'.format(self.cam_serial, self.name))

參考文章：在python的class中的,self到底是什么？

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