https://www.cnblogs.com/hany-postq473111315/p/12284044.html
https://www.cnblogs.com/hany-postq473111315/p/12284555.html
2020-06-13
字符串常用函数总结
原文：https://www.cnblogs.com/hany-postq473111315/p/13112074.html
