比方将"vpoet" 变为“teopv”
#include <iostream>
using namespace std;
int main()
{
	char Before_Str[100]={0};
	
	cout<<"******************************vpoet*********************************\n";
	cout<<"Please input the String you want to reverse:";
	cin>>Before_Str;
	char Ch_Temp;
	int Len=strlen(Before_Str);
	for(int i=0;i<Len/2;i++)
	{
		Ch_Temp=Before_Str[i];
		Before_Str[i]=Before_Str[Len-i-1];
		Before_Str[Len-i-1]=Ch_Temp;
	}
	cout<<"After reverse:"<<Before_Str<<endl;
	return 0;
}原文:http://www.cnblogs.com/slgkaifa/p/7341057.html