海明码
https://blog.csdn.net/flyyufenfei/article/details/72235748?spm=1001.2101.3001.6650.1&utm_medium=distribute.pc_relevant.none-task-blog-2%7Edefault%7ECTRLIST%7Edefault-1-72235748-blog-124811335.pc_relevant_multi_platform_whitelistv1_exp2&depth_1-utm_source=distribute.pc_relevant.none-task-blog-2%7Edefault%7ECTRLIST%7Edefault-1-72235748-blog-124811335.pc_relevant_multi_platform_whitelistv1_exp2&utm_relevant_index=2