/**
    
    
      
       *按字節(jié)長度截取字符串
      *按字節(jié)長度截取字符串
      
       *
    
    
      @param
    
    
      str將要截取的字符串參數(shù)
      *
    
    
      @param
    
    
      str將要截取的字符串參數(shù)
      
       *
    
    
      @param
    
    
      toCount截取的字節(jié)長度
      *
    
    
      @param
    
    
      toCount截取的字節(jié)長度
      
       *
    
    
      @param
    
    
      more字符串末尾補上的字符串
      *
    
    
      @param
    
    
      more字符串末尾補上的字符串
      
       *
    
    
      @return
    
    
      返回截取后的字符串
      *
    
    
      @return
    
    
      返回截取后的字符串
      
       */
    
    
      */
    
  
  
    
     public
  
  
  
  
    Stringsubstring(Stringstr,
  
  
    int
  
  
    toCount,Stringmore)
  
  
  
    
      {
    
  
  
    public
  
  
  
  
    Stringsubstring(Stringstr,
  
  
    int
  
  
    toCount,Stringmore)
  
  
  
    
      {
      
       int
    
    
      reInt
    
    
      =
    
    
    
    
      0
    
    
      ;
    
    
      int
    
    
      reInt
    
    
      =
    
    
    
    
      0
    
    
      ;
      
       StringreStr
    
    
      =
    
    
    
    
      ""
    
    
      ;
      StringreStr
    
    
      =
    
    
    
    
      ""
    
    
      ;
      
       if
    
    
      (str
    
    
      ==
    
    
    
    
      null
    
    
      )
    
    
      if
    
    
      (str
    
    
      ==
    
    
    
    
      null
    
    
      )
      
       return
    
    
    
    
      ""
    
    
      ;
    
    
      return
    
    
    
    
      ""
    
    
      ;
      
       char
    
    
      []tempChar
    
    
      =
    
    
      str.toCharArray();
    
    
      char
    
    
      []tempChar
    
    
      =
    
    
      str.toCharArray();
      
       for
    
    
      (
    
    
      int
    
    
      kk
    
    
      =
    
    
    
    
      0
    
    
      ;(kk
    
    
      <
    
    
      tempChar.length
    
    
      &&
    
    
      toCount
    
    
      >
    
    
      reInt);kk
    
    
      ++
    
    
      )
    
    
    
      
        {
      
    
    
      for
    
    
      (
    
    
      int
    
    
      kk
    
    
      =
    
    
    
    
      0
    
    
      ;(kk
    
    
      <
    
    
      tempChar.length
    
    
      &&
    
    
      toCount
    
    
      >
    
    
      reInt);kk
    
    
      ++
    
    
      )
    
    
    
      
        {
        
         Strings1
      
      
        =
      
      
        str.valueOf(tempChar[kk]);
        Strings1
      
      
        =
      
      
        str.valueOf(tempChar[kk]);
        
         byte
      
      
        []b
      
      
        =
      
      
        s1.getBytes();
      
      
        byte
      
      
        []b
      
      
        =
      
      
        s1.getBytes();
        
         reInt
      
      
        +=
      
      
        b.length;
        reInt
      
      
        +=
      
      
        b.length;
        
         reStr
      
      
        +=
      
      
        tempChar[kk];
        reStr
      
      
        +=
      
      
        tempChar[kk];
        
         }
        }
      
    
    
      
       if
    
    
      (toCount
    
    
      ==
    
    
      reInt
    
    
      ||
    
    
      (toCount
    
    
      ==
    
    
      reInt
    
    
      -
    
    
    
    
      1
    
    
      ))
    
    
      if
    
    
      (toCount
    
    
      ==
    
    
      reInt
    
    
      ||
    
    
      (toCount
    
    
      ==
    
    
      reInt
    
    
      -
    
    
    
    
      1
    
    
      ))
      
       reStr
    
    
      +=
    
    
      more;
      reStr
    
    
      +=
    
    
      more;
      
       return
    
    
      reStr;
    
    
      return
    
    
      reStr;
      
       }
      }
    
  
  
  *按字節(jié)長度截取字符串
      *按字節(jié)長度截取字符串
       *
    
    
      @param
    
    
      str將要截取的字符串參數(shù)
      *
    
    
      @param
    
    
      str將要截取的字符串參數(shù)
       *
    
    
      @param
    
    
      toCount截取的字節(jié)長度
      *
    
    
      @param
    
    
      toCount截取的字節(jié)長度
       *
    
    
      @param
    
    
      more字符串末尾補上的字符串
      *
    
    
      @param
    
    
      more字符串末尾補上的字符串
       *
    
    
      @return
    
    
      返回截取后的字符串
      *
    
    
      @return
    
    
      返回截取后的字符串
       */
    
    
      */
    
  
  
     public
  
  
  
  
    Stringsubstring(Stringstr,
  
  
    int
  
  
    toCount,Stringmore)
  
  
  
    
      {
    
  
  
    public
  
  
  
  
    Stringsubstring(Stringstr,
  
  
    int
  
  
    toCount,Stringmore)
  
  
  
    
      {
       int
    
    
      reInt
    
    
      =
    
    
    
    
      0
    
    
      ;
    
    
      int
    
    
      reInt
    
    
      =
    
    
    
    
      0
    
    
      ;
       StringreStr
    
    
      =
    
    
    
    
      ""
    
    
      ;
      StringreStr
    
    
      =
    
    
    
    
      ""
    
    
      ;
       if
    
    
      (str
    
    
      ==
    
    
    
    
      null
    
    
      )
    
    
      if
    
    
      (str
    
    
      ==
    
    
    
    
      null
    
    
      )
       return
    
    
    
    
      ""
    
    
      ;
    
    
      return
    
    
    
    
      ""
    
    
      ;
       char
    
    
      []tempChar
    
    
      =
    
    
      str.toCharArray();
    
    
      char
    
    
      []tempChar
    
    
      =
    
    
      str.toCharArray();
       for
    
    
      (
    
    
      int
    
    
      kk
    
    
      =
    
    
    
    
      0
    
    
      ;(kk
    
    
      <
    
    
      tempChar.length
    
    
      &&
    
    
      toCount
    
    
      >
    
    
      reInt);kk
    
    
      ++
    
    
      )
    
    
    
      
        {
      
    
    
      for
    
    
      (
    
    
      int
    
    
      kk
    
    
      =
    
    
    
    
      0
    
    
      ;(kk
    
    
      <
    
    
      tempChar.length
    
    
      &&
    
    
      toCount
    
    
      >
    
    
      reInt);kk
    
    
      ++
    
    
      )
    
    
    
      
        {
         Strings1
      
      
        =
      
      
        str.valueOf(tempChar[kk]);
        Strings1
      
      
        =
      
      
        str.valueOf(tempChar[kk]);
         byte
      
      
        []b
      
      
        =
      
      
        s1.getBytes();
      
      
        byte
      
      
        []b
      
      
        =
      
      
        s1.getBytes();
         reInt
      
      
        +=
      
      
        b.length;
        reInt
      
      
        +=
      
      
        b.length;
         reStr
      
      
        +=
      
      
        tempChar[kk];
        reStr
      
      
        +=
      
      
        tempChar[kk];
         }
        }
      
    
    
       if
    
    
      (toCount
    
    
      ==
    
    
      reInt
    
    
      ||
    
    
      (toCount
    
    
      ==
    
    
      reInt
    
    
      -
    
    
    
    
      1
    
    
      ))
    
    
      if
    
    
      (toCount
    
    
      ==
    
    
      reInt
    
    
      ||
    
    
      (toCount
    
    
      ==
    
    
      reInt
    
    
      -
    
    
    
    
      1
    
    
      ))
       reStr
    
    
      +=
    
    
      more;
      reStr
    
    
      +=
    
    
      more;
       return
    
    
      reStr;
    
    
      return
    
    
      reStr;
       }
      }
    
  
  
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