C++简洁的读入文件 

C++ 简洁的读取文件内容的代码段
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#include <fstream>
#include <iostream>

using namespace std;

ifstream infile(“filepath");
if (!infile.is_open()) {
    cout<<"open faild"<<wendl;
}
string str((std::istreambuf_iterator<char>(infile)),std::istreambuf_iterator<char>());
cout<<"str:"<<str<<endl;
infile.close();