perper(打起精神!)
int to string: string a = to_string(int) string to int: int a = stoi(string) char to int: int a = char_b - 48 字符串中查找字符:
string a = to_string(int)
int a = stoi(string)
int a = char_b - 48
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github上搭建一个博客网站(windows)
1. 前期准备