c++读取整个文件

#include 
#include 
#include 
#include
#include
#include 
using namespace std;
int main(){
	

	ifstream myfile("D:\\站点.txt");
	ofstream out("D:\\out.txt");
	
	std::stringstream buffer;  
	buffer << myfile.rdbuf();  
	std::string re(buffer.str());  //re是从站点读取数据
    
    

    string ans="123";
	
	cout<