更新

Python-100-Days/Day01-15/Day09/clock.py

@@ -0,0 +1,44 @@
+from time import time, localtime, sleep
+
+
+class Clock(object):
+    """数字时钟"""
+
+    def __init__(self, hour=0, minute=0, second=0):
+        self._hour = hour
+        self._minute = minute
+        self._second = second
+
+    @classmethod
+    def now(cls):
+        ctime = localtime(time())
+        return cls(ctime.tm_hour, ctime.tm_min, ctime.tm_sec)
+
+    def run(self):
+        """走字"""
+        self._second += 1
+        if self._second == 60:
+            self._second = 0
+            self._minute += 1
+            if self._minute == 60:
+                self._minute = 0
+                self._hour += 1
+                if self._hour == 24:
+                    self._hour = 0
+
+    def show(self):
+        """显示时间"""
+        return '%02d:%02d:%02d' % \
+               (self._hour, self._minute, self._second)
+
+
+def main():
+    clock = Clock.now()
+    while True:
+        print(clock.show())
+        sleep(1)
+        clock.run()
+
+
+if __name__ == '__main__':
+    main()