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学习是最好的投资！
Use request.getCharacterEncoding() first to see what code you get.
request.getCharacterEncoding()
First check what encoding is used and convert accordingly
I now know the reason, that is, when saving the txt file, it must be encoded in UTF-8!
![[Web front-end] Node.js quick start](https://img.php.cn/upload/course/000/000/067/662b5d34ba7c0227.png)
Use
request.getCharacterEncoding()first to see what code you get.First check what encoding is used and convert accordingly
I now know the reason, that is, when saving the txt file, it must be encoded in UTF-8!