Asp.net 字符(二)

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;
    }
}

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