using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
namespace System.CRM.Common
{
/// <summary>
/// 随机方法助手类类
/// </summary>
public class RandomHelper
{
/// <summary>
/// 随机种子，定义全局，以防循环随机时出现相同
/// </summary>
private static Random ran = new Random();
#region 私有字段/方法
/// <summary>
/// 数字 0-9 集合
/// </summary>
private static List<char> number = new List<char> { '0', '1', '2', '3', '4', '5', '6', '7', '8', '9' };
/// <summary>
/// 字母 A-Z 集合
/// </summary>
private static List<char> upperen = new List<char> { 'A', 'B', 'C', 'D', 'E', 'F', 'G', 'H', 'I', 'J', 'K', 'L', 'M', 'N', 'O', 'P', 'Q', 'R', 'S', 'T', 'U', 'V', 'W', 'X', 'Y', 'Z' };
/// <summary>
/// 字母 a-z 集合
/// </summary>
private static List<char> loweren = new List<char> { 'a', 'b', 'c', 'd', 'e', 'f', 'g', 'h', 'i', 'j', 'k', 'l', 'm', 'n', 'o', 'p', 'q', 'r', 's', 't', 'u', 'v', 'w', 'x', 'y', 'z' };
/// <summary>
/// 常见符号集合
/// </summary>
private static List<char> sign = new List<char> { '~', '`', '!', '@', '#', '$', '%', '^', '&', '*', '(', ')', '-', '_', '+', '=', '[', ']', '\\', '{', '}', '|', ';', ':', '\'', '"', '<', '>', '/', ',', '.', '?' };
/// <summary>
/// 生成随机字符串
/// </summary>
/// <param name="arr"></param>
/// <param name="length"></param>
/// <returns></returns>
private static string RandomString(List<char> arr, int length)
{
string result = "";
for (int i = 0; i < length; i++)
{
int index = ran.Next(0, arr.Count);
result += arr[index];
}
return result;
}
#endregion
#region 公共方法
/// <summary>
/// 获得随机 数字 字符串
/// </summary>
/// <param name="length">希望得到的字符串长度</param>
/// <returns>随机字符串</returns>
public static string Number(int length)
{
List<char> arr = new List<char>();
arr.AddRange(number);
return RandomString(arr, length);
}
/// <summary>
/// 获得随机 数字和小写英文字母 字符串
/// </summary>
/// <param name="length">希望得到的字符串长度</param>
/// <returns>随机字符串</returns>
public static string LowerEnNumbe(int length)
{
List<char> arr = new List<char>();
arr.AddRange(number);
arr.AddRange(loweren);
return RandomString(arr, length);
}
/// <summary>
/// 获得随机 数字和大写英文字母 字符串
/// </summary>
/// <param name="length">希望得到的字符串长度</param>
/// <returns>随机字符串</returns>
public static string UpperEnNumber(int length)
{
List<char> arr = new List<char>();
arr.AddRange(number);
arr.AddRange(upperen);
return RandomString(arr, length);
}
/// <summary>
/// 获得随机 数字和英文字母 字符串
/// </summary>
/// <param name="length">希望得到的字符串长度</param>
/// <returns>随机字符串</returns>
public static string EnglishNumbe(int length)
{
List<char> arr = new List<char>();
arr.AddRange(number);
arr.AddRange(upperen);
arr.AddRange(loweren);
return RandomString(arr, length);
}
/// <summary>
/// 获得随机 小写英文字母 字符串
/// </summary>
/// <param name="length">希望得到的字符串长度</param>
/// <returns>随机字符串</returns>
public static string LowerEn(int length)
{
List<char> arr = new List<char>();
arr.AddRange(loweren);
return RandomString(arr, length);
}
/// <summary>
/// 获得随机 大写英文字母 字符串
/// </summary>
/// <param name="length">希望得到的字符串长度</param>
/// <returns>随机字符串</returns>
public static string UpperEn(int length)
{
List<char> arr = new List<char>();
arr.AddRange(upperen);
return RandomString(arr, length);
}
/// <summary>
/// 获得随机 英文字母 字符串
/// </summary>
/// <param name="length">希望得到的字符串长度</param>
/// <returns>随机字符串</returns>
public static string English(int length)
{
List<char> arr = new List<char>();
arr.AddRange(upperen);
arr.AddRange(loweren);
return RandomString(arr, length);
}
/// <summary>
/// 获得随机 汉字 字符串
/// </summary>
/// <param name="length">希望得到的字符串长度</param>
/// <returns>随机字符串</returns>
public static string Chinese(int length)
{
string result = "";
Encoding gb = Encoding.GetEncoding("gb2312");
for (int i = 0; i < length; i++)
{
// 获取区码(常用汉字的区码范围为16-55)
int regionCode = ran.Next(16, 56);
// 获取位码(位码范围为1-94 由于55区的90,91,92,93,94为空,故将其排除)
int positionCode;
if (regionCode == 55)
{
// 55区排除90,91,92,93,94
positionCode = ran.Next(1, 90);
}
else
{
positionCode = ran.Next(1, 95);
}
// 转换区位码为机内码
int regionCode_Machine = regionCode + 160;// 160即为十六进制的20H+80H=A0H
int positionCode_Machine = positionCode + 160;// 160即为十六进制的20H+80H=A0H
// 转换为汉字
byte[] bytes = new byte[] { (byte)regionCode_Machine, (byte)positionCode_Machine };
result += gb.GetString(bytes);
}
return result;
}
#endregion
#region 百家姓
/// <summary>
/// 随机百家姓
/// </summary>
/// <param name="Compound">是否需要复姓（true需要，false不需要）</param>
/// <returns></returns>
public static string Surname(bool Compound)
{
string[] SurnameArr = { "赵","钱","孙","李","周","吴","郑","王","冯","陈","褚","卫","蒋","沈","韩","杨","朱","秦","尤","许","何","吕","施","张","孔","曹",
"严","华","金","魏","陶","姜","戚","谢","邹","喻","柏","水","窦","章","云","苏","潘","葛","奚","范","彭","郎", "鲁","韦","昌","马",
"苗","凤","花","方","俞","任","袁","柳","酆","鲍","史","唐","费","廉","岑","薛","雷","贺","倪","汤","滕","殷",
"罗","毕","郝","邬","安","常","乐","于","时","傅","皮","卞","齐","康","伍","余","元","卜","顾","孟","平","黄","和",
"穆","萧","尹","姚","邵","湛","汪","祁","毛","禹","狄","米","贝","明","臧","计","伏","成","戴","谈","宋","茅","庞","熊","纪","舒",
"屈","项","祝","董","梁","杜","阮","蓝","闵","席","季","麻","强","贾","路","娄","危","江","童","颜","郭","梅","盛","林","***","钟",
"徐","邱","骆","高","夏","蔡","田","樊","胡","凌","霍","虞","万","支","柯","昝","管","卢","莫","经","房","裘","缪","干","解","应",
"宗","丁","宣","贲","邓","郁","单","杭","洪","包","诸","左","石","崔","吉","钮","龚","程","嵇","邢","滑","裴","陆","荣","翁","荀",
"羊","于","惠","甄","曲","家","封","芮","羿","储","靳","汲","邴","糜","松","井","段","富","巫","乌","焦","巴","弓","牧","隗","山",
"谷","车","侯","宓","蓬","全","郗","班","仰","秋","仲","伊","宫","宁","仇","栾","暴","甘","钭","厉","戎","祖","武","符","刘","景",
"詹","束","龙","叶","幸","司","韶","郜","黎","蓟","溥","印","宿","白","怀","蒲","邰","从","鄂","索","咸","籍","赖","卓","蔺","屠",
"蒙","池","乔","阴","郁","胥","能","苍","双","闻","莘","党","翟","谭","贡","劳","逄","姬","申","扶","堵","冉","宰","郦","雍","却",
"璩","桑","桂","濮","牛","寿","通","边","扈","燕","冀","浦","尚","农","温","别","庄","晏","柴","瞿","阎","充","慕","连","茹","习",
"宦","艾","鱼","容","向","古","易","慎","戈","廖","庾","终","暨","居","衡","步","都","耿","满","弘","匡","国","文","寇","广","禄",
"阙","东","欧","殳","沃","利","蔚","越","夔","隆","师","巩","厍","聂","晁","勾","敖","融","冷","訾","辛","阚","那","简","饶","空",
"曾","毋","沙","乜","养","鞠","须","丰","巢","关","蒯","相","查","后","荆","红","游","郏","竺","权","逯","盖","益","桓","公","仉",
"督","岳","帅","缑","亢","况","郈","有","琴","归","海","晋","楚","闫","法","汝","鄢","涂","钦","商","牟","佘","佴","伯","赏","墨",
"哈","谯","篁","年","爱","阳","佟","言","福","南","火","铁","迟","漆","官","冼","真","展","繁","檀","祭","密","敬","揭","舜","楼",
"疏","冒","浑","挚","胶","随","高","皋","原","种","练","弥","仓","眭","蹇","覃","阿","门","恽","来","綦","召","仪","风","介","巨",
"木","京","狐","郇","虎","枚","抗","达","杞","苌","折","麦","庆","过","竹","端","鲜","皇","亓","老","是","秘","畅","邝","还","宾",
"闾","辜","纵","侴","万俟","司马","上官","欧阳","夏侯","诸葛","闻人","东方","赫连","皇甫","羊舌","尉迟","公羊","澹台","公冶","宗正",
"濮阳","淳于","单于","太叔","申屠","公孙","仲孙","轩辕","令狐","钟离","宇文","长孙","慕容","鲜于","闾丘","司徒","司空","兀官","司寇",
"南门","呼延","子车","颛孙","端木","巫马","公西","漆雕","车正","壤驷","公良","拓跋","夹谷","宰父","谷梁","段干","百里","东郭","微生",
"梁丘","左丘","东门","西门","南宫","第五","公仪","公乘","太史","仲长","叔孙","屈突","尔朱","东乡","相里","胡母","司城","张廖","雍门",
"毋丘","贺兰","綦毋","屋庐","独孤","南郭","北宫","王孙"};
int index = 0;
string result = null;
if (Compound)
{
//有复姓
index = ran.Next(0, SurnameArr.Length);
}
else
{
//没有复姓
index = ran.Next(0, 518);
}
result = SurnameArr[index];
return result;
}
/// <summary>
/// 随机常见姓氏
/// </summary>
/// <returns></returns>
public static string SurnameMany()
{
string[] SurnameArr = { "赵","钱","孙","李","周","吴","郑","王","冯","陈","蒋","沈","韩","杨","朱","秦","何","吕","张","曹",
"魏","姜","谢","章","苏","潘","范","彭", "鲁","马","方","袁","唐","罗","黄",
"姚","毛","宋","项","董","梁","杜","贾","江","郭","林","钟","徐","邱","骆","高","夏","蔡","胡","霍","卢","邓","程","陆",};
int index = 0;
string result = null;
index = ran.Next(0, SurnameArr.Length);
result = SurnameArr[index];
return result;
}
#endregion
#region 城市
/// <summary>
/// 随机2015年中国60强城市名单
/// 三线城市及以上
/// </summary>
/// <returns></returns>
public static string City()
{
string[] arr = { "上海", "北京", "广州", "深圳", "成都", "重庆", "杭州", "南京", "沈阳", "苏州", "天津", "武汉", "西安",
"长沙","大连","济南","宁波","青岛","无锡","厦门","郑州","长春","常州","哈尔滨","福州","昆明","合肥","东莞",
"石家庄","呼和浩特","南昌","温州","佛山","贵阳","南宁"
};
string result = null;
int index = ran.Next(0, arr.Length);
result = arr[index];
return result;
}
/// <summary>
/// 随机生成数字
/// 取下不取上
/// </summary>
/// <param name="begin">从几开始</param>
/// <param name="end">到几结束，不包含此数字</param>
/// <returns></returns>
public static int Number(int begin, int end)
{
return ran.Next(begin, end);
}
#endregion
}
}
