1 #pragma once 2 class Time 3 { 4 public: 5 unsigned int negative : 1; 6 unsigned int min:15; 7 unsigned int sec:6; 8 unsigned int msec:10; 9 Time()10 Time() 11 :negative{}, min{}, sec{}, msec{} 12 {} 13 Time(int _min,int _sec,int _msec)14 Time(int _min, int _sec, int _msec) 15 : negative{}, min{ static_cast<unsigned int>(_min) }, sec{ static_cast<unsigned int>(_sec) }, msec{ static_cast<unsigned int>(_msec) } 16 {} 17 Time(int time)18 Time(int time) 19 { 20 fromInt(time); 21 } 22 ~Time()23 ~Time() 24 {} 25 26 //将int类型的时间（毫秒数）转换成Time结构 fromInt(int time)27 void fromInt(int time) 28 { 29 if (time < 0) { 30 negative = 1; 31 time = -time; 32 } else { 33 negative = 0; 34 } 35 msec = time % 1000; 36 sec = time / 1000 % 60; 37 min = time / 1000 / 60; 38 } 39 40 //将Time结构转换成int类型（毫秒数） toInt()41 int toInt() const 42 { 43 int t = msec + sec * 1000 + min * 60000; 44 return negative ? -t : t; 45 } 46 47 bool operator>(const Time& time) const 48 { 49 if (negative != time.negative) 50 return (negative < time.negative); 51 else if (min != time.min) 52 return (min > time.min); 53 else if (sec != time.sec) 54 return(sec > time.sec); 55 else if (msec != time.msec) 56 return(msec > time.msec); 57 else return false; 58 } 59 60 bool operator<(const Time& time) const 61 { 62 return time > *this; 63 } 64 65 bool operator==(const Time& time) const 66 { 67 return (negative == time.negative && min == time.min && sec == time.sec && msec == time.msec); 68 } 69 70 bool operator!=(const Time& time) const 71 { 72 return !(*this == time); 73 } 74 75 bool operator>=(const Time& time) const 76 { 77 if (negative != time.negative) 78 return (negative < time.negative); 79 else if (min != time.min) 80 return (min > time.min); 81 else if (sec != time.sec) 82 return(sec > time.sec); 83 else if (msec != time.msec) 84 return(msec > time.msec); 85 else return true; 86 } 87 88 //减法运算符，用于计算两个Time对象的时间差，返回int类型，单位为毫秒 89 int operator-(const Time& time) const 90 { 91 if (negative == time.negative) { 92 int t = (min - time.min) * 60000 + (sec - time.sec) * 1000 + (msec - time.msec); 93 return negative ? -t : t; 94 } else { 95 int t = (min + time.min) * 60000 + (sec + time.sec) * 1000 + (msec + time.msec); 96 return negative ? -t : t; 97 } 98 } 99 100 //加法赋值运算符，用于在当前时间上加上一个int类型的毫秒数 101 Time operator+=(int time) 102 { 103 int added = this->toInt(); 104 added += time; 105 this->fromInt(added); 106 return *this; 107 } 108 109 Time operator-=(int time) 110 { 111 return operator+=(-time); 112 } 113 114 //加法运算符，用于在当前时间上加上一个int类型的毫秒数，返回Time对象 115 Time operator+(int time) const 116 { 117 int added = this->toInt(); 118 added += time; 119 return Time{ added }; 120 } 121 122 //将时间转换成字符串（格式：分:秒） 123 wstring toString(bool no_zero = true) const 124 { 125 wchar_t buff[16]{}; 126 if (no_zero && *this == Time{ 0,0,0 }) 127 wcscpy_s(buff, L"-:--"); 128 else 129 swprintf_s(buff, L"%d:%.2d", min, sec); 130 return wstring(buff); 131 } 132 133 //将时间转换成字符串（格式：分:秒.毫秒） 134 wstring toString2(bool no_zero = true) const 135 { 136 wchar_t buff[16]{}; 137 if (no_zero && *this == Time{ 0,0,0 }) 138 wcscpy_s(buff, L"-:--"); 139 else 140 swprintf_s(buff, L"%d:%.2d.%.3d", min, sec, msec); 141 return wstring(buff); 142 } 143 144 //将时间转换成字符串（格式：时:分:秒） 145 wstring toString3(bool no_zero = true) const 146 { 147 int hour, min1; 148 hour = min / 60; 149 min1 = min % 60; 150 wchar_t buff[16]{}; 151 if (no_zero && *this == Time{ 0,0,0 }) 152 wcscpy_s(buff, L"-:--:--"); 153 else 154 swprintf_s(buff, L"%d:%.2d:%.2d", hour, min1, sec); 155 return wstring(buff); 156 } 157 toLyricTimeTag()158 wstring toLyricTimeTag() const 159 { 160 wchar_t buff[16]{}; 161 swprintf_s(buff, L"[%.2d:%.2d.%.2d]", min, sec, msec / 10); 162 return wstring(buff); 163 } 164 toVttTimeTag()165 wstring toVttTimeTag() const 166 { 167 int hour, min1; 168 hour = min / 60; 169 min1 = min % 60; 170 if (hour > 99) 171 return L"99:99:99.999"; 172 wchar_t buff[16]{}; 173 swprintf_s(buff, L"%.2d:%.2d:%.2d.%.3d", hour, min1, sec, msec); 174 return wstring(buff); 175 } 176 177 //判断时间是否为0 isZero()178 bool isZero() const 179 { 180 return (min == 0 && sec == 0 && msec == 0); 181 } 182 }; 183 184