ex9_4.cpp

纯粹是学习专用～

#include<iostream.h>
#include<string.h>

void main(){
	char str[255];
	int i,n;
	cout<<"输入字符"<<endl;//输入^Z,一旦输入^Z全部结束，不能输入其它字符
	i=cin.get();
	cout<<endl;
	n=cin.rdstate();
	cout<<"状态字为："<<n<<endl;
	cout<<"当输入字符时,取得的是:"<<i<<endl;
	if(n==0) cin.ignore(255,'\n');//清除多余的字符和回车符
	cin.clear(0);
	cout<<"输入字符串1:"<<endl;
	cin.getline(str,255);
	cout<<endl;
	cout<<"状态字为："<<cin.rdstate()<<endl;
	i=cin.gcount();
	cout<<"字符串为:"<<str<<'\t'<<"读入字符数为:"<<i<<'\t';
	cout<<"串长为:"<<strlen(str)<<endl;
	cin.clear(0);
	cout<<"输入字符串2:"<<endl;
	cin.getline(str,255);
	cout<<endl;
	cout<<"状态字为："<<cin.rdstate()<<endl;
	i=cin.gcount();
	cout<<"字符串为:"<<str<<'\t'<<"读入字符数为:"<<i<<'\t';
	cout<<"串长为:"<<strlen(str)<<endl;
}