using System;

using System.Collections;

using System.Collections.Generic;

using System.IO;

using System.Linq;

using System.Security.Cryptography;

using System.Text;

using System.Text.RegularExpressions;

using System.Web;

using System.Web.UI;

using System.Web.UI.WebControls;

public partial class stringChange : System.Web.UI.Page

{

    protected void Page_Load(object sender, EventArgs e)

    {

        //换行

        lblOldStr.Text = "西 游 记 ，红 楼 梦 ，水 浒 传 ，三 国 演 义 ，三 国 志 ，史 记，聊 斋 ，吕 氏 春 秋";

        StringBuilder str = new StringBuilder(lblOldStr.Text);

        for (int i = ; i < str.Length; i++)

        {

            if (str[i] == '，')

                str.Insert(++i, "<br />");

            changedStr.InnerHtml = str.ToString();

        }

        //颠倒输出

        char[] chr = lblOldStr.Text.ToCharArray();

        Array.Reverse(chr, , lblOldStr.Text.Length);

        changedStr.InnerText = new StringBuilder().Append(chr).ToString();

        //移除字符串中的所有空格

        char[] chr1 = lblOldStr.Text.ToCharArray();

        IEnumerator enum_char = chr1.GetEnumerator();

        StringBuilder strSB = new StringBuilder();

        while (enum_char.MoveNext())

        {

            strSB.Append((char)enum_char.Current!=' '?enum_char.Current.ToString():string.Empty);

        }

        changedStr.InnerText = strSB.ToString();

        //截取字符

        string path_all = @"D:\MyProject\stringChanges\Upload\edit.txt";

        string path = path_all.Substring(, path_all.LastIndexOf(@"\") + );

        string file_name = path_all.Substring(path_all.LastIndexOf(@"\") + , path_all.LastIndexOf(".") - path_all.LastIndexOf(@"\") - );

        string file_exec = path_all.Substring(path_all.LastIndexOf(".") + , path_all.Length - path_all.LastIndexOf(".") - );

        changedStr.InnerHtml += "<br /><br />文件路径：" + path + ";<br />文件名称：" + file_name + ";<br />文件扩展名：" + file_exec + ";<br />";

        //获取字符串中汉字的个数

        string test_temp = "西 游 记 ，红 楼 梦 ，水 浒 传 ，三 国 演 义 ，三 国 志 ，史 记，聊 斋 ，吕 氏 春 秋";

        int chinese_num = ;

        Regex regex = new Regex("^[\u4E00-\u9FA5]{0,}$");

        for (int i = ; i < test_temp.Length; i++)

        {

            chinese_num = regex.IsMatch(test_temp[i].ToString()) ? ++chinese_num : chinese_num;

        }

        changedStr.InnerHtml += "汉字个数为：" + chinese_num;

        //批量替换

        string txt_temp = "啊哈哈哈哈哈…";

        changedStr.InnerHtml += "<br /><br />" + txt_temp;

        changedStr.InnerHtml += "<br />" + txt_temp.Replace("哈", "呵") + "<br /><br />";

        double value;

        if (double.TryParse("", out value))

            changedStr.InnerHtml += value;

        else

            changedStr.InnerHtml += "请输入正确的字符~！";

        //对字符串进行加密与解密

        changedStr.InnerHtml += "<br /><br />" + new Encrypt().ToEncrypt("", "你好");

        changedStr.InnerHtml += "<br /><br />" + new Encrypt().ToDecrypt("", "ahFbgmk57JI=");

        //字符转ASCII码：

        string str1 = "a";

        byte[] bytetest = Encoding.Default.GetBytes(str1);

        changedStr.InnerHtml += "<br /><br />" + bytetest.ToString();

        changedStr.InnerHtml += "<br /><br />" + Asc(str1);

        changedStr.InnerHtml += "<br /><br />" + Chr();

        //四舍五入

        double val1, val2;

        if (double.TryParse("123.334444555", out val1) && double.TryParse("123.334444555", out val2))

            changedStr.InnerHtml += "<br /><br />" + Math.Round(val1 + val2, ).ToString();

        else

            changedStr.InnerHtml += "<br /><br />" + "输入数值不正确~！";

        changedStr.InnerHtml += "<br /><br />" + new PinYin().GetABC("你好");

        //数字大小写转换

        int iTemp;

        string num="";

        if (int.TryParse(num, out iTemp))

            changedStr.InnerHtml += "<br /><br />" + new Upper().NumToChinese(num);

        else

            changedStr.InnerHtml += "<br /><br />" + "请输入正确整数数值~！";

    }

    //字符转ASCII码：

    public static int Asc(string character)

    {

        if (character.Length == )

        {

            System.Text.ASCIIEncoding asciiEncoding = new System.Text.ASCIIEncoding();

            int intAsciiCode = (int)asciiEncoding.GetBytes(character)[];

            return (intAsciiCode);

        }

        else

        {

            throw new Exception("Character is not valid.");

        }

    }

    public static string Chr(int asciiCode)

    {

        if (asciiCode >=  && asciiCode <= )

        {

            System.Text.ASCIIEncoding asciiEncoding = new System.Text.ASCIIEncoding();

            byte[] byteArray = new byte[] { (byte)asciiCode };

            string strCharacter = asciiEncoding.GetString(byteArray);

            return (strCharacter);

        }

        else

        {

            throw new Exception("ASCII Code is not valid.");

        }

    }

}

public class Encrypt

{

    internal string ToEncrypt(string encrKey, string str)

    {

        try

        {

            byte[] byte_key = Encoding.Unicode.GetBytes(encrKey);//将密钥字符串转换为字节序列

            byte[] byte_data = Encoding.Unicode.GetBytes(str); //将字符串转换为字节序列

            MemoryStream Stream_MS = new MemoryStream(); //创建内存流对象

            CryptoStream CS_Stream = new CryptoStream(Stream_MS, //创建加密流对象

                new DESCryptoServiceProvider().CreateEncryptor(byte_key, byte_key), CryptoStreamMode.Write);

            CS_Stream.Write(byte_data, , byte_data.Length);//向加密流中写入字节序列

            CS_Stream.FlushFinalBlock();//将数据压入基础流

            byte[] bt_temp = Stream_MS.ToArray(); //从内存流中获取字节序列

            CS_Stream.Close();//关闭加密流

            Stream_MS.Close();//关闭内存流

            return Convert.ToBase64String(bt_temp); //方法返回加密后的字符串

        }

        catch (CryptographicException ce)

        {

            throw new Exception(ce.Message);

        }

    }

    internal string ToDecrypt(string encrKey, string str)

    {

        try

        {

            byte[] byte_key = Encoding.Unicode.GetBytes(encrKey); //将密钥字符串转换为字节序列

            byte[] byte_data = Convert.FromBase64String(str); //将加密后的字符串转换为字节序列

            MemoryStream Stream_MS = new MemoryStream(byte_data); //创建内存流对象并写入数据

            CryptoStream CS_Stream = new CryptoStream(Stream_MS, //创建加密流对象

                new DESCryptoServiceProvider().CreateDecryptor(byte_key, byte_key), CryptoStreamMode.Read);

            byte[] bt_temp = new byte[];//创建字节序列对象

            MemoryStream MS_temp = new MemoryStream(); //创建内存流对象

            int i = ;//创建记数器

            while ((i = CS_Stream.Read(bt_temp, , bt_temp.Length)) > ) //使用while循环得到解密数据

            {

                MS_temp.Write(bt_temp, , i); //将解密后的数据放入内存流

            }

            return Encoding.Unicode.GetString(MS_temp.ToArray()); //方法返回解密后的字符串

        }

        catch (CryptographicException ce)

        {

            throw new Exception(ce.Message);

        }

    }

}

public class PinYin

{

    #region

    //定义拼音区编码数组

    private static int[] getValue = new int[]

            {

                -,-,-,-,-,-,-,-,-,-,-,-,

                -,-,-,-,-,-,-,-,-,-,-,-,

                -,-,-,-,-,-,-,-,-,-,-,-,

                -,-,-,-,-,-,-,-,-,-,-,-,

                -,-,-,-,-,-,-,-,-,-,-,-,

                -,-,-,-,-,-,-,-,-,-,-,-,

                -,-,-,-,-,-,-,-,-,-,-,-,

                -,-,-,-,-,-,-,-,-,-, -,-,

                -,-,-,-,-,-,-,-,-,-,-,-,

                -,-,-,-,-,-,-,-,-,-,-,-,

                -,-,-,-,-,-,-,-,-,-,-,-,

                -,-,-,-,-,-,-,-,-,-,-,-,

                -,-,-,-,-,-,-,-,-,-,-,-,

                -,-,-,-,-,-,-,-,-,-,-,-,

                -,-,-,-,-,-,-,-,-,-,-,-,

                -,-,-,-,-,-,-,-,-,-,-,-,

                -,-,-,-,-,-,-,-,-,-,-,-,

                -,-,-,-,-,-,-,-,-,-,-,-,

                -,-,-,-,-,-,-,-,-,-,-,-,

                -,-,-,-,-,-,-,-,-,-,-,-,

                -,-,-,-,-,-,-,-,-,-,-,-,

                -,-,-,-,-,-,-,-,-,-,-,-,

                -,-,-,-,-,-,-,-,-,-,-,-,

                -,-,-,-,-,-,-,-,-,-,-,-,

                -,-,-,-,-,-,-,-,-,-,-,-,

                -,-,-,-,-,-,-,-,-,-,-,-,

                -,-,-,-,-,-,-,-,-,-,-,-,

                -,-,-,-,-,-,-,-,-,-,-,-,

                -,-,-,-,-,-,-,-,-,-,-,-,

                -,-,-,-,-,-,-,-,-,-,-,-,

                -,-,-,-,-,-,-,-,-,-,-,-,

                -,-,-,-,-,-,-,-,-,-,-,-,

                -,-,-,-,-,-,-,-,-,-,-,-

            };

    //定义拼音数组

    private static string[] getStr = new string[]

            {

                "A","Ai","An","Ang","Ao","Ba","Bai","Ban","Bang","Bao","Bei","Ben",

                "Beng","Bi","Bian","Biao","Bie","Bin","Bing","Bo","Bu","Ba","Cai","Can",

                "Cang","Cao","Ce","Ceng","Cha","Chai","Chan","Chang","Chao","Che","Chen","Cheng",

                "Chi","Chong","Chou","Chu","Chuai","Chuan","Chuang","Chui","Chun","Chuo","Ci","Cong",

                "Cou","Cu","Cuan","Cui","Cun","Cuo","Da","Dai","Dan","Dang","Dao","De",

                "Deng","Di","Dian","Diao","Die","Ding","Diu","Dong","Dou","Du","Duan","Dui",

                "Dun","Duo","E","En","Er","Fa","Fan","Fang","Fei","Fen","Feng","Fo",

                "Fou","Fu","Ga","Gai","Gan","Gang","Gao","Ge","Gei","Gen","Geng","Gong",

                "Gou","Gu","Gua","Guai","Guan","Guang","Gui","Gun","Guo","Ha","Hai","Han",

                "Hang","Hao","He","Hei","Hen","Heng","Hong","Hou","Hu","Hua","Huai","Huan",

                "Huang","Hui","Hun","Huo","Ji","Jia","Jian","Jiang","Jiao","Jie","Jin","Jing",

                "Jiong","Jiu","Ju","Juan","Jue","Jun","Ka","Kai","Kan","Kang","Kao","Ke",

                "Ken","Keng","Kong","Kou","Ku","Kua","Kuai","Kuan","Kuang","Kui","Kun","Kuo",

                "La","Lai","Lan","Lang","Lao","Le","Lei","Leng","Li","Lia","Lian","Liang",

                "Liao","Lie","Lin","Ling","Liu","Long","Lou","Lu","Lv","Luan","Lue","Lun",

                "Luo","Ma","Mai","Man","Mang","Mao","Me","Mei","Men","Meng","Mi","Mian",

                "Miao","Mie","Min","Ming","Miu","Mo","Mou","Mu","Na","Nai","Nan","Nang",

                "Nao","Ne","Nei","Nen","Neng","Ni","Nian","Niang","Niao","Nie","Nin","Ning",

                "Niu","Nong","Nu","Nv","Nuan","Nue","Nuo","O","Ou","Pa","Pai","Pan",

                "Pang","Pao","Pei","Pen","Peng","Pi","Pian","Piao","Pie","Pin","Ping","Po",

                "Pu","Qi","Qia","Qian","Qiang","Qiao","Qie","Qin","Qing","Qiong","Qiu","Qu",

                "Quan","Que","Qun","Ran","Rang","Rao","Re","Ren","Reng","Ri","Rong","Rou",

                "Ru","Ruan","Rui","Run","Ruo","Sa","Sai","San","Sang","Sao","Se","Sen",

                "Seng","Sha","Shai","Shan","Shang","Shao","She","Shen","Sheng","Shi","Shou","Shu",

                "Shua","Shuai","Shuan","Shuang","Shui","Shun","Shuo","Si","Song","Sou","Su","Suan",

                "Sui","Sun","Suo","Ta","Tai","Tan","Tang","Tao","Te","Teng","Ti","Tian",

                "Tiao","Tie","Ting","Tong","Tou","Tu","Tuan","Tui","Tun","Tuo","Wa","Wai",

                "Wan","Wang","Wei","Wen","Weng","Wo","Wu","Xi","Xia","Xian","Xiang","Xiao",

                "Xie","Xin","Xing","Xiong","Xiu","Xu","Xuan","Xue","Xun","Ya","Yan","Yang",

                "Yao","Ye","Yi","Yin","Ying","Yo","Yong","You","Yu","Yuan","Yue","Yun",

                "Za", "Zai","Zan","Zang","Zao","Ze","Zei","Zen","Zeng","Zha","Zhai","Zhan",

                "Zhang","Zhao","Zhe","Zhen","Zheng","Zhi","Zhong","Zhou","Zhu","Zhua","Zhuai","Zhuan",

                "Zhuang","Zhui","Zhun","Zhuo","Zi","Zong","Zou","Zu","Zuan","Zui","Zun","Zuo"

           };

    #endregion

    /// <summary>

    /// 将汉字转换拼音的方法

    /// </summary>

    /// <param name="str">汉字字符串</param>

    /// <returns>拼音字符串</returns>

    public string GetABC(string str)

    {

        Regex reg = new Regex("^[\u4e00-\u9fa5]$");//验证输入是否为汉字

        byte[] arr = new byte[];//定义字节数组

        string pystr = "";//定义字符串变量用于返回拼音

        char[] mChar = str.ToCharArray();//获取汉字对应的字符数组

        return GetStr(mChar, pystr, reg, arr);//返回获取到的汉字拼音

    }

    private string GetStr(char[] mChar, string pystr, Regex reg, byte[] arr)

    {

        int asc = , M1 = , M2 = ;

        for (int j = ; j < mChar.Length; j++)

        {

            if (reg.IsMatch(mChar[j].ToString()))//如果输入的是汉字

            {

                arr = System.Text.Encoding.Default.GetBytes(mChar[j].ToString());

                M1 = (short)(arr[]);

                M2 = (short)(arr[]);

                asc = M1 *  + M2 - ;

                if (asc >  && asc < )

                {

                    pystr += mChar[j];

                }

                else

                {

                    switch (asc)

                    {

                        case -:

                            pystr += "Zhen"; break;

                        case -:

                            pystr += "Qian"; break;

                        case -:

                            pystr += "Jia"; break;

                        case -:

                            pystr += "Ge"; break;

                        case -:

                            pystr += "Ga"; break;

                        case -:

                            pystr += "La"; break;

                        case -:

                            pystr += "Chen"; break;

                        case -:

                            pystr += "Mao"; break;

                        case -:

                            pystr += "Mao"; break;

                        case -:

                            pystr += "Die"; break;

                        case -:

                            pystr += "Tian"; break;

                        default:

                            for (int i = (getValue.Length - ); i >= ; i--)

                            {

                                if (getValue[i] <= asc)//判断汉字的拼音区编码是否在指定范围内

                                {

                                    pystr += getStr[i];//如果不超出范围则获取对应的拼音

                                    break;

                                }

                            }

                            break;

                    }

                }

            }

            else//如果不是汉字

            {

                pystr += mChar[j].ToString();//如果不是汉字则返回

            }

        }

        return pystr;

    }

}

public class Upper

{

    public string NumToChinese(string x)

    {

        //数字转换为中文后的数组

        string[] array_num = new string[] { "零", "壹", "贰", "叁", "肆", "伍", "陆", "柒", "捌", "玖" };

        //为数字位数建立一个位数组

        string[] array_digit = new string[] { "", "拾", "佰", "仟" };

        //为数字单位建立一个单位数组

        string[] array_units = new string[] { "", "万", "亿", "万亿" };

        string str_returnValue = ""; //返回值

        int finger = ; //字符位置指针

        int int_m = x.Length % ; //取模

        int int_k = ;

        if (int_m > )

            int_k = x.Length /  + ;

        else

            int_k = x.Length / ;

        //外层循环,四位一组,每组最后加上单位: ",万亿,",",亿,",",万,"

        for (int i = int_k; i > ; i--)

        {

            int int_L = ;

            if (i == int_k && int_m != )

                int_L = int_m;

            //得到一组四位数

            string four = x.Substring(finger, int_L);

            int int_l = four.Length;

            //内层循环在该组中的每一位数上循环

            for (int j = ; j < int_l; j++)

            {

                //处理组中的每一位数加上所在的位

                int n = Convert.ToInt32(four.Substring(j, ));

                if (n == )

                {

                    if (j < int_l -  && Convert.ToInt32(four.Substring(j + , )) >  && !str_returnValue.EndsWith(array_num[n]))

                        str_returnValue += array_num[n];

                }

                else

                {

                    if (!(n ==  && (str_returnValue.EndsWith(array_num[]) | str_returnValue.Length == ) && j == int_l - ))

                        str_returnValue += array_num[n];

                    str_returnValue += array_digit[int_l - j - ];

                }

            }

            finger += int_L;

            //每组最后加上一个单位:",万,",",亿," 等

            if (i < int_k) //如果不是最高位的一组

            {

                if (Convert.ToInt32(four) != )

                    //如果所有4位不全是0则加上单位",万,",",亿,"等

                    str_returnValue += array_units[i - ];

            }

            else

            {

                //处理最高位的一组,最后必须加上单位

                str_returnValue += array_units[i - ];

            }

        }

        return str_returnValue;

    }

}