树莓派自身配有python环境，引用库时注意要配置缺少的库 sudo apt update sudo apt install -y python3-qrcode python3-pil libzbar0 sudo apt install -y python3-pyzbar sudo apt install python3-opencv python3-pip python3-numpy python3-serial //serial 为配置串口时所需要用到的库 pip3 install picamera2