pip install PILpip install qrcode
时间: 2023-11-29 13:47:50 浏览: 106
根据提供的引用内容,可以得知pip install PIL和pip install qrcode是两个不同的命令,分别用于安装Python Imaging Library和qrcode库。下面是它们的介绍和用法:
1. pip install PIL
Python Imaging Library(PIL)是Python编程语言的图像处理库。它支持许多文件格式,包括BMP,GIF,JPEG,PNG等。要安装PIL,可以使用以下命令:
```shell
pip install Pillow
```
注意:Pillow是PIL的一个分支,它提供了更好的Python 3支持。
2. pip install qrcode
qrcode是一个Python库,用于生成QR码。要安装qrcode,可以使用以下命令:
```shell
pip install qrcode[pil]
```
注意:[pil]是可选的,它表示安装qrcode时还会安装Pillow库。
使用qrcode库生成QR码的方法有两种:
1. 在命令行中输入
```shell
qr Some text > test.png
```
这将生成一个名为test.png的QR码图像,其中包含“Some text”文本。
2. 在Python中输入
```python
import qrcode
img = qrcode.make('Some data here')
img.save('test.png')
```
这将生成一个名为test.png的QR码图像,其中包含“Some data here”文本。
阅读全文
相关推荐
















