string和char[]轉換

string str_a;
char str_b[20];

string 轉 char*

str_b = str_a.c_str();

char*轉string

1. str_a = string(str_b);
2. str_a.assign(str_b);


https://cg2010studio.com/2011/05/01/string-and-char-transform/