zhixing

摘要：1.string转const char*string s ="abc";constchar* c_s = s.c_str();2.const char*转string 直接赋值即可constchar* c_s ="abc";string s(c_s);3.string转char*string s ="abc";char* c;constint len = s.length();c =newchar[len+1];strcpy(c,s.c_str());4.char*转stringchar* c ="abc";str 阅读全文