忽略
This commit is contained in:
“wanyongkang”
@@ -1,143 +1,143 @@
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using System;
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using System.Collections.Generic;
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namespace Hncore.Infrastructure.Common
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{
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public class RandomHelper
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{
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#region 私有属性
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/// <summary>
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/// 随机数最小值
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/// </summary>
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private static int MiniNum => int.MinValue;
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/// <summary>
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/// 随机数最大值
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/// </summary>
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private static int MaxNum => int.MaxValue;
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/// <summary>
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/// 随机数长度
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/// </summary>
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private static int RandomLength => 4;
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/// <summary>
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/// 随机数来源
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/// </summary>
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private static string RandomString => "0123456789ABCDEFGHIJKMLNOPQRSTUVWXYZabcdefghigklmnopqrstuvwxyz";
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/// <summary>
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/// 系统默认生成随机数长度
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/// </summary>
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private const int RandomLengthPresent = 6;
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/// <summary>
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/// 系统默认随机数来源
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/// </summary>
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private const string RandomStringPresent = "0123456789ABCDEFGHIJKMLNOPQRSTUVWXYZabcdefghigklmnopqrstuvwxyz";
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private static readonly Random Random = new Random(DateTime.Now.Millisecond);
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#endregion
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#region 产生随机字符
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/// <summary>
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/// 产生随机字符
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/// </summary>
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/// <param name="randomLength">产生随机数长度,默认为-1</param>
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/// <param name="randomString">随机数来源</param>
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/// <returns></returns>
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public static string GetRandomString(int randomLength = -1, string randomString = "")
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{
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int randomLengthTemp;//随机数长度
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if (randomLength > 0)
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randomLengthTemp = randomLength;
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else if (RandomLength > 0)
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randomLengthTemp = RandomLength;
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else
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randomLengthTemp = RandomLengthPresent;
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string randomStringTemp;//随机数来源
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if (!string.IsNullOrEmpty(randomString))
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randomStringTemp = randomString;
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else if (!string.IsNullOrEmpty(RandomString))
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randomStringTemp = RandomString;
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else
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randomStringTemp = RandomStringPresent;
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string returnValue = string.Empty;
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for (int i = 0; i < randomLengthTemp; i++)
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{
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int r = Random.Next(0, randomStringTemp.Length - 1);
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returnValue += randomStringTemp[r];
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}
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return returnValue;
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}
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#endregion
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#region 产生随机数
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/// <summary>
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/// 产生随机数
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/// </summary>
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/// <param name="minNum">最小随机数</param>
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/// <param name="maxNum">最大随机数</param>
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/// <returns></returns>
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public static int GetRandom(int minNum = -1, int maxNum = -1)
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{
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int minNumTemp = minNum == -1 ? MiniNum : minNum;//最小随机数
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int maxNumTemp = maxNum == -1 ? MaxNum : maxNum;//最大随机数
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return Random.Next(minNumTemp, maxNumTemp);
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}
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#endregion
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#region 生成一个0.0到1.0的随机小数
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/// <summary>
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/// 生成一个0.0到1.0的随机小数
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/// </summary>
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public double GetRandomDouble()
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{
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return Random.NextDouble();
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}
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#endregion
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#region 对一个数组进行随机排序
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/// <summary>
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/// 对一个数组进行随机排序
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/// </summary>
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/// <typeparam name="T">数组的类型</typeparam>
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/// <param name="arr">需要随机排序的数组</param>
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public void GetRandomArray<T>(T[] arr)
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{
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//对数组进行随机排序的算法:随机选择两个位置，将两个位置上的值交换
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//交换的次数,这里使用数组的长度作为交换次数
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int count = arr.Length;
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//开始交换
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for (int i = 0; i < count; i++)
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{
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//生成两个随机数位置
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int randomNum1 = GetRandom(0, arr.Length);
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int randomNum2 = GetRandom(0, arr.Length);
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//定义临时变量
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//交换两个随机数位置的值
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var temp = arr[randomNum1];
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arr[randomNum1] = arr[randomNum2];
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arr[randomNum2] = temp;
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}
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}
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public static string Uuid(int len)
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{
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len = len > 32 ? 32 : len;
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var str = Guid.NewGuid().ToString("N");
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var list = new List<string>();
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while (true)
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{
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var index = GetRandom(0, 32);
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list.Add(str[index].ToString());
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if (list.Count >= len)
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break;
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}
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return string.Join("", list);
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}
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#endregion
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}
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}
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using System;
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using System.Collections.Generic;
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namespace Hncore.Infrastructure.Common
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{
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public class RandomHelper
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{
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#region 私有属性
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/// <summary>
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/// 随机数最小值
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/// </summary>
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private static int MiniNum => int.MinValue;
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/// <summary>
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/// 随机数最大值
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/// </summary>
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private static int MaxNum => int.MaxValue;
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/// <summary>
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/// 随机数长度
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/// </summary>
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private static int RandomLength => 4;
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/// <summary>
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/// 随机数来源
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/// </summary>
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private static string RandomString => "0123456789ABCDEFGHIJKMLNOPQRSTUVWXYZabcdefghigklmnopqrstuvwxyz";
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/// <summary>
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/// 系统默认生成随机数长度
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/// </summary>
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private const int RandomLengthPresent = 6;
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/// <summary>
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/// 系统默认随机数来源
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/// </summary>
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private const string RandomStringPresent = "0123456789ABCDEFGHIJKMLNOPQRSTUVWXYZabcdefghigklmnopqrstuvwxyz";
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private static readonly Random Random = new Random(DateTime.Now.Millisecond);
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#endregion
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#region 产生随机字符
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/// <summary>
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/// 产生随机字符
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/// </summary>
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/// <param name="randomLength">产生随机数长度,默认为-1</param>
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/// <param name="randomString">随机数来源</param>
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/// <returns></returns>
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public static string GetRandomString(int randomLength = -1, string randomString = "")
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{
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int randomLengthTemp;//随机数长度
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if (randomLength > 0)
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randomLengthTemp = randomLength;
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else if (RandomLength > 0)
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randomLengthTemp = RandomLength;
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else
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randomLengthTemp = RandomLengthPresent;
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string randomStringTemp;//随机数来源
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if (!string.IsNullOrEmpty(randomString))
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randomStringTemp = randomString;
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else if (!string.IsNullOrEmpty(RandomString))
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randomStringTemp = RandomString;
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else
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randomStringTemp = RandomStringPresent;
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string returnValue = string.Empty;
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for (int i = 0; i < randomLengthTemp; i++)
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{
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int r = Random.Next(0, randomStringTemp.Length - 1);
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returnValue += randomStringTemp[r];
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}
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return returnValue;
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}
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#endregion
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#region 产生随机数
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/// <summary>
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/// 产生随机数
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/// </summary>
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/// <param name="minNum">最小随机数</param>
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/// <param name="maxNum">最大随机数</param>
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/// <returns></returns>
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public static int GetRandom(int minNum = -1, int maxNum = -1)
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{
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int minNumTemp = minNum == -1 ? MiniNum : minNum;//最小随机数
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int maxNumTemp = maxNum == -1 ? MaxNum : maxNum;//最大随机数
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return Random.Next(minNumTemp, maxNumTemp);
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}
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#endregion
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#region 生成一个0.0到1.0的随机小数
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/// <summary>
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/// 生成一个0.0到1.0的随机小数
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/// </summary>
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public double GetRandomDouble()
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{
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return Random.NextDouble();
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}
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#endregion
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#region 对一个数组进行随机排序
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/// <summary>
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/// 对一个数组进行随机排序
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/// </summary>
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/// <typeparam name="T">数组的类型</typeparam>
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/// <param name="arr">需要随机排序的数组</param>
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public void GetRandomArray<T>(T[] arr)
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{
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//对数组进行随机排序的算法:随机选择两个位置，将两个位置上的值交换
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//交换的次数,这里使用数组的长度作为交换次数
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int count = arr.Length;
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//开始交换
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for (int i = 0; i < count; i++)
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{
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//生成两个随机数位置
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int randomNum1 = GetRandom(0, arr.Length);
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int randomNum2 = GetRandom(0, arr.Length);
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//定义临时变量
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//交换两个随机数位置的值
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var temp = arr[randomNum1];
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arr[randomNum1] = arr[randomNum2];
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arr[randomNum2] = temp;
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}
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}
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public static string Uuid(int len)
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{
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len = len > 32 ? 32 : len;
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var str = Guid.NewGuid().ToString("N");
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var list = new List<string>();
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while (true)
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{
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var index = GetRandom(0, 32);
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list.Add(str[index].ToString());
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if (list.Count >= len)
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break;
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}
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return string.Join("", list);
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}
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#endregion
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}
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}
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