【C#】输入汉字字符串索引拼音的首字母

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在做项目的时候,输入客户的名字,为了方便索引汉字字符串的拼音首字母,作助记码,于是到网上找了一下,还好,有个单个汉字的处理!为了答谢该网友!为了以后的网友,我做了汉字字符串的处理!
还请各位网友指教[email protected]
using System;
using System.Drawing;
using System.Collections;
using System.ComponentModel;
using System.Windows.Forms;
using System.Data;

namespace WinMarket
{
 /// <summary>
 /// Classfun 的摘要说明。
 /// </summary>
 public class Classfun
 {
  private string Capstr;
   
  public Classfun()
  {
   //
   // TODO: 在此处添加构造函数逻辑
   //
  }
public string ChineseCap(string ChineseStr)
  {
   
   
    byte[] ZW = new byte[2];
    long ChineseStr_int;
    string CharStr,ChinaStr="";
    for (int i=0;i<=ChineseStr.Length-1;i++)
    {
                   CharStr=ChineseStr.Substring(i,1).ToString();
     ZW=System.Text.Encoding.Default.GetBytes(CharStr);
     // 得到汉字符的字节数组
     if(ZW.Length==2)
     {
      int i1 = (short)(ZW[0]);
      int i2 = (short)(ZW[1]);
      ChineseStr_int=i1*256+i2;
      //table of the constant list
      // 'A';     //45217..45252
      // 'B';     //45253..45760
      // 'C';     //45761..46317
      // 'D';     //46318..46825
      // 'E';     //46826..47009
      // 'F';     //47010..47296
      // 'G';     //47297..47613

      // 'H';     //47614..48118
      // 'J';     //48119..49061
      // 'K';     //49062..49323
      // 'L';     //49324..49895
      // 'M';     //49896..50370
      // 'N';     //50371..50613
      // 'O';     //50614..50621
      // 'P';     //50622..50905
      // 'Q';     //50906..51386

      // 'R';     //51387..51445
      // 'S';     //51446..52217
      // 'T';     //52218..52697
      //没有U,V
      // 'W';     //52698..52979
      // 'X';     //52980..53640
      // 'Y';     //53689..54480
      // 'Z';     //54481..55289
    
      if  ((ChineseStr_int>=45217) && (ChineseStr_int<=45252))
      {
       ChinaStr= "A";
      }
      else if ((ChineseStr_int>=45253) && (ChineseStr_int<=45760))
      {
       ChinaStr= "B";
      }
      else if  ((ChineseStr_int>=45761) && (ChineseStr_int<=46317))
      {
       ChinaStr= "C";

      }
      else if ((ChineseStr_int>=46318) && (ChineseStr_int<=46825))
      {
       ChinaStr= "D";
      }
      else if  ((ChineseStr_int>=46826) && (ChineseStr_int<=47009))
      {
       ChinaStr= "E";
      }
      else if ((ChineseStr_int>=47010) && (ChineseStr_int<=47296))
      {
       ChinaStr= "F";
      }
      else if ((ChineseStr_int>=47297) && (ChineseStr_int<=47613))
      {
       ChinaStr= "G";
      } 
      else if ((ChineseStr_int>=47614) && (ChineseStr_int<=48118))
      {
     
       ChinaStr= "H";
      }
    
      else if ((ChineseStr_int>=48119) && (ChineseStr_int<=49061))
      {
       ChinaStr= "J";
      }
      else if ((ChineseStr_int>=49062) && (ChineseStr_int<=49323))
      {
       ChinaStr= "K";
      } 
      else if ((ChineseStr_int>=49324) && (ChineseStr_int<=49895))
      {
       ChinaStr= "L";
      }
      else if ((ChineseStr_int>=49896) && (ChineseStr_int<=50370))
      {
       ChinaStr= "M";
      } 

      else if ((ChineseStr_int>=50371) && (ChineseStr_int<=50613))
      {
       ChinaStr= "N";

      }
      else if ((ChineseStr_int>=50614) && (ChineseStr_int<=50621))
      {
       ChinaStr= "O";
      }                      
      else if ((ChineseStr_int>=50622) && (ChineseStr_int<=50905))
      {
       ChinaStr= "P";

      }           
      else if ((ChineseStr_int>=50906) && (ChineseStr_int<=51386))
      {
       ChinaStr= "Q";

      }  
        
      else if ((ChineseStr_int>=51387) && (ChineseStr_int<=51445))
      {
       ChinaStr= "R";
      } 
      else if ((ChineseStr_int>=51446) && (ChineseStr_int<=52217))
      {
       ChinaStr= "S";
      }
      else if ((ChineseStr_int>=52218) && (ChineseStr_int<=52697))
      {
       ChinaStr= "T";
      }                      
      else if ((ChineseStr_int>=52698) && (ChineseStr_int<=52979))
      {
       ChinaStr= "W";
      }           
      else if ((ChineseStr_int>=52980) && (ChineseStr_int<=53640))
      {
       ChinaStr= "X";
      }  
      else if ((ChineseStr_int>=53689) && (ChineseStr_int<=54480))
      {
       ChinaStr= "Y";
      }           
      else if ((ChineseStr_int>=54481) && (ChineseStr_int<=55289))
      {
       ChinaStr= "Z";
      }
      
     }
     else
     {
                       Capstr=ChineseStr;
        break;
     }
     
     Capstr=Capstr+ChinaStr;
     }

  
   
     return Capstr;

  }


}
}

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