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C# RangeHelper

时间:2015-02-01 16:05:11      阅读:158      评论:0      收藏:0      [点我收藏+]

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    /// <summary>
    /// Range Helper
    /// </summary>
    /// <typeparam name="T"></typeparam>
    public class RangeHelper<T> where T : IComparable<T>
    {
        /// <summary>
        /// 为val返回指定范围内合法的值
        /// </summary>
        /// <param name="val"></param>
        /// <param name="min"></param>
        /// <param name="max"></param>
        /// <returns></returns>
        public static T ValidateRange(T val, T min, T max)
        {
            val = val.CompareTo(min) < 0 ? min : val;
            val = val.CompareTo(max) > 0 ? max : val;
            return val;
        }
    }

eg.

CurrentPage = RangeHelper<int>.ValidateRange(CurrentPage, 1, TotalPage);

 

IComparable.CompareTo 方法用法说明

https://msdn.microsoft.com/zh-cn/library/system.icomparable.compareto.aspx

C# RangeHelper

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原文地址:http://www.cnblogs.com/wsion/p/4265574.html

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