C++判断时间格式满足yyyy-mm-dd-hh:mm与时间1小于时间2

C++判断时间格式满足yyyy-mm-dd-hh:mm与时间1小于时间2

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#include <iostream>
#include <sstream>//调用istringstream需包含

using namespace std;

int stringToInt(string str)/*字符串转int*/
{
    int result;
    istringstream is(str);
    is >> result;
    return result;
}

bool CheckTime(string time)/*时间满足yyyy-mm-dd-hh:mm格式*/
{
    bool judge = false;

    /*符合字数为16*/
    if(time.length()!=16)
        return judge;

    /*符合年>2017*/
    int i;
    string s;
    for(i=0;i<4;i++)
        s += time[i];
    int year = stringToInt(s);
    if(year<2017)
        return judge;

    /*符合01<=月<=12*/
    s = "";//置空
    s += time[5];
    s += time[6];
    int month = stringToInt(s);
    if(month<1 || month>12)
        return judge;

    /*符合01<=日<=31*/
    s = "";//置空
    s += time[8];
    s += time[9];
    int day = stringToInt(s);
    if(day<1 || day>31)
        return judge;

    /*符合00<=时<=24*/
    s = "";//置空
    s += time[11];
    s += time[12];
    int hour = stringToInt(s);
    if(hour<0 || hour>=24)
        return judge;

    /*符合00<=分<=60*/
    s = "";//置空
    s += time[14];
    s += time[15];
    int minute = stringToInt(s);
    if(minute<0 || minute>=60)
        return judge;

    /*符合横杆*/
    static int dash[3]={4,7,10};
    for(i=0;i<3;i++)
        if(time[dash[i]]!='-')//不为横杆
            return judge;

    /*符合冒号*/
    if(time[13]!=':')
        return judge;

    /*全部匹配*/
    judge = true;
    return judge;
}

bool CheckTime2(string time1,string time2)/*时间1＜时间2*/
{
    bool judge = false;

    /*年*/
    int i;
    string s1,s2;
    for(i=0;i<4;i++)
    {
        s1 += time1[i];
        s2 += time2[i];
    }
    int year1 = stringToInt(s1);
    int year2 = stringToInt(s2);

    /*月*/
    s1 = "";//置空
    s2 = "";//置空
    s1 += time1[5];
    s1 += time1[6];
    s2 += time2[5];
    s2 += time2[6];
    int month1 = stringToInt(s1);
    int month2 = stringToInt(s2);

    /*日*/
    s1 = "";//置空
    s2 = "";//置空
    s1 += time1[8];
    s1 += time1[9];
    s2 += time2[8];
    s2 += time2[9];
    int day1 = stringToInt(s1);
    int day2 = stringToInt(s2);

    /*时*/
    s1 = "";//置空
    s2 = "";//置空
    s1 += time1[11];
    s1 += time1[12];
    s2 += time2[11];
    s2 += time2[12];
    int hour1 = stringToInt(s1);
    int hour2 = stringToInt(s2);

    /*分*/
    s1 = "";//置空
    s2 = "";//置空
    s1 += time1[14];
    s1 += time1[15];
    s2 += time2[14];
    s2 += time2[15];
    int minute1 = stringToInt(s1);
    int minute2 = stringToInt(s2);

    if(year1<year2)
    {
        return true;
    }
    else
    {
        if(year1==year2)
        {
            if(month1<month2)
            {
                return true;
            }
            else
            {
                if(month1==month2)
                {
                    if(day1<day2)
                    {
                        return true;
                    }
                    else
                    {
                        if(day1==day2)
                        {
                            if(hour1<hour2)
                            {
                                return true;
                            }
                            else
                            {
                                if(hour1==hour2)
                                {
                                    if(minute1<minute2)
                                    {
                                        return true;
                                    }
                                    else
                                    {
                                        return false;
                                    }
                                }
                                else
                                {
                                    return false;
                                }
                            }
                        }
                        else
                        {
                            return false;
                        }
                    }
                }
                else
                {
                    return false;
                }
            }
        }
        else
        {
            return false;
        }
    }
    return judge;
}
int main()
{
    cout << CheckTime("2017-01-28-08:05") << "\t符合yyyy-mm-dd-hh:mm格式" << endl;
    cout << CheckTime("2017-01-28-08:000") << "\t不符合字数" << endl;
    cout << CheckTime("2000-01-28-08:05") << "\t不符合年>2017" << endl;
    cout << CheckTime("2017-00-28-08:05") << "\t不符合01<=月<=12" << endl;
    cout << CheckTime("2017-01-00-08:05") << "\t不符合01<=日<=31" << endl;
    cout << CheckTime("2017-01-28-99:05") << "\t不符合00<=时<=24" << endl;
    cout << CheckTime("2017-01-28-08:99") << "\t不符合00<=分<=60" << endl;
    cout << CheckTime("2017-01-28.08:05") << "\t不符合横杆" << endl;
    cout << CheckTime("2017-01-28-08.05") << "\t不符合冒号" << endl;

    cout << endl << endl << endl;

    cout << CheckTime2("2017-01-28-08:05","2017-01-28-08:06") << "\t符合时间1＜时间2" << endl;
    cout << CheckTime2("2018-01-28-08:05","2017-01-28-11:30") << "\t不符合年1＜年2" << endl;
    cout << CheckTime2("2017-12-28-08:05","2017-01-28-11:30") << "\t不符合月1＜月2" << endl;
    cout << CheckTime2("2017-01-31-08:05","2017-01-28-11:30") << "\t不符合日1＜日2" << endl;
    cout << CheckTime2("2017-01-28-12:05","2017-01-28-11:30") << "\t不符合时1＜时2" << endl;
    cout << CheckTime2("2017-01-28-11:30","2017-01-28-11:30") << "\t不符合分1＜分2" << endl;
    return 0;
}