摘要：
string to char*#include <string>int main(){ std::string s("foo"); const char* p = s.c_str(); char* q = const_cast<char*>(p);}char * to stringstring &assign(const char *s);用c类型字符串s赋值string &assign(const char *s,int n);用c字符串s开始的n个字符赋值#include <string>#include <io 阅读全文
