1、字符和数字的转换 include<iostream> usingnamespacestd; intmain(){ intn='8'48; cout<<n<<endl; return0; } 数字转字符串 include<string> include<sstream> include<iostream> usingnamespacestd; intmain() { doublea=123.32; stringres; stringstreamss;//定义流ss ss<<a;//将数字a转...