统一跨平台时间函数接口。

others/include/systime.h

@@ -0,0 +1,23 @@
+//
+// Created by xinyang on 19-7-31.
+//
+
+#ifndef _PLATFORM_H_
+#define _PLATFORM_H_
+
+typedef struct{
+    int second;
+    int millisecond;
+} systime;
+
+void getsystime(systime &t);
+
+#if defined(Linux)
+    #include <sys/time.h>
+#elif defined(Windows)
+    #include <Windows.h>
+#else
+    #error "nonsupport platform."
+#endif
+
+#endif /* _PLATFORM_H_ */