c#工具类，用于产生随机整数，随机字符串，随机颜色等

c#生成随机数，随机字符串，随机颜色等

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c#

随机数

这是一个c#工具类，用于产生随机整数，随机字符串，随机颜色等，同时你可以对这个类进行扩展，产生自己的随机数据

/// <summary>
    /// Helper class for generating random values/// </summary>
    public staticclass RandomHelper
    {
        privateRandom randomSeed =newRandom();

        
        /// Generates a random string with the given length/// <param name="size">Size of the string</param>/// <param name="lowerCase">If true,generate lowercase string</param>/// <returns>Random string</returns>stringRandomString(int size,bool lowerCase)
        
            // StringBuilder is faster than using strings (+=)
            StringBuilderRandStr StringBuilder(size);

            // Ascii start position (65 = A / 97 = a)
            StartlowerCase? 97:65;// Add random charsfor i 0< i++)
                RandStr.Append((char)(26* randomSeedNextDouble()+Start));

            returnToString}/// Returns a random number./// <param name="min">Minimal result</param>/// <param name="max">Maximal result</param>/// <returns>Random number</returns>RandomNumberMinimalMaximalNext(/// Returns a random boolean value/// <returns>Random boolean value</returns>RandomBoolrandomSeed>0.5/// Returns a random color/// <returns></returns>SystemDrawingColorRandomColorColorFromArgb
                randomSeed(256),宋体; font-size:14px"> 
                randomSeed
            

    

//使用范例：
// Generate a random word:
RandomWordRandomHelper10true// Generate a random number:Number// Generate a random boolean value:Active// Generate a random color:
Background();