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Lua中对于UTF-8字符串的处理
https://blog.csdn.net/linchaolong/article/details/39649791?utm_medium=distribute.pc_relevant.none-task-blog-BlogCommendFromMachineLearnPai2-2.control&dist_request_id=d49b4345-4313-418f-967a-a743cd23b5fa&depth_1-utm_source=distribute.pc_relevant.none-task-blog-BlogCommendFromMachineLearnPai2-2.control

在windows下,用lua转换将gbk转为utf-8
https://blog.csdn.net/sniffer12345/article/details/16359043