#include<iostream>
#include "common.h"
#include<string>
#include <ctype.h>
#include "Calendar.h"
#include <iostream>
#include<boost/date_time.hpp>
#include <boost/lexical_cast.hpp>
#include <boost/algorithm/string.hpp>
using namespace boost::posix_time;
using namespace boost::gregorian;
using namespace std;
typedef struct tagPerson
{
string name;
int age;
}Person;
int main(int argc)
{
string name = " zhangdong";
string myName = trim_left_copy(name);
cout << name << endl; //输出 zhangdong
cout << myName << endl; //输出zhangdong
int wait;
cin >> wait;
return 0;
}