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DateTime start = DateTime.Now.AddDays(-20); DateTime end = DateTime.Now; TimeSpan ts = end.Subtract(start); double days = ts.TotalDays; int differentD... 阅读全文
posted @ 2019-10-15 10:18
hofmann
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摘要:
枚举定义 枚举操作方法 测试 阅读全文
posted @ 2019-10-15 10:17
hofmann
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