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  • C#:自定义函数

    将数组转成字符串

    /// <summary>
    /// 将数组转成字符串
    /// </summary>
    /// <param name="glue">分隔符</param>
    /// <param name="pieces">要字符串数组</param>
    private string Implode(char glue,string[] pieces) 
    {
        string result = string.Empty;
        int count = pieces.Length;
        for (int i = 0; i < count;i++ )
        {
            if(i==0){
                result = pieces[i];
            }else{
                result = result + glue.ToString() + pieces[i];
            }                
        }           
        return result;        
    }

    DateTime时间格式转换为Unix时间戳格式

    /// <summary>
    /// DateTime时间格式转换为Unix时间戳格式
    /// </summary>
    /// <param name=”time”></param>
    /// <returns></returns>
    private int ConvertDateTimeInt(System.DateTime time)
    {
        System.DateTime startTime = TimeZone.CurrentTimeZone.ToLocalTime(new System.DateTime(1970, 1, 1));
        return (int)(time - startTime).TotalSeconds;
    }

     生成某个范围内的随机数

    /// <summary>
    /// 获得某个范围内的随机数
    /// </summary>
    /// <param name="start">随机数的下界</param>
    /// <param name="end">随机数的上界</param>
    /// <returns>[minValue, maxValue)范围内的随机整数</returns>
    private int GetRandomInt(int minValue, int maxValue)
    {
        Random r = new Random(Chaos_GetRandomSeed());
        return r.Next(minValue, maxValue);
    }
    
    /// <summary>
    /// 加密随机数生成器,生成随机种子
    /// </summary>
    /// <returns></returns>
    private static int Chaos_GetRandomSeed()
    {
        byte[] bytes = new byte[4];
        System.Security.Cryptography.RNGCryptoServiceProvider rng = new System.Security.Cryptography.RNGCryptoServiceProvider();
        rng.GetBytes(bytes);
        return BitConverter.ToInt32(bytes, 0);
    }
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  • 原文地址:https://www.cnblogs.com/hongfei/p/3725655.html
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