文字编码：：：https://blog.csdn.net/badbad_boy/article/details/4097387
https://blog.csdn.net/qq_34745204/article/details/83786775
url编码：：：https://blog.csdn.net/zhanghuaichao/article/details/77862037?spm=1001.2101.3001.6650.1&utm_medium=distribute.pc_relevant.none-task-blog-2~default~CTRLIST~default-1.no_search_link&depth_1-utm_source=distribute.pc_relevant.none-task-blog-2~default~CTRLIST~default-1.no_search_link&utm_relevant_index=2
