C++ cout

cout.flush()

cout.put()

输出一个字符

char* p = "hello";

cout.write(p,sttrlen(q)-3)

输出字符串，能够选定长度。二进制流输出

cout<<"<Start>"

cout.width(30)//插入30个字符

cout.fill(‘*’)//填充*

cout.setf(ios::showbase)//基数　　#include<iomanip>

cout.setf(ios::internal)//设置中间

cout<<hex<<123<<"<End>\n"