wordcount代码实现及测试(代码片段)

  1 using System;
  2 using System.Collections.Generic;
  3 using System.Linq;
  4 using System.Text;
  5 using System.IO;
  6 using System.Threading.Tasks;
  7 
  8 
  9 namespace WordCount
 10 
 11     class Program
 12     
 13         public class WC
 14         
 15             public string sFilename;    // 文件名
 16             public string[] sParameter; // 参数数组  
 17             public int iCharcount;      // 字符数
 18             public int iWordcount;      // 单词数
 19             public int iLinecount;      // 总行数
 20 
 21             // 参数控制信息
 22             public void Operator(string[] sParameter, string sFilename)
 23             
 24                 this.sParameter = sParameter;
 25                 this.sFilename = sFilename;
 26                 foreach (string s in sParameter)
 27                 
 28                     //  基本功能
 29                     if (s == "-c" || s == "-w" || s == "-l")
 30                     
 31                         break;
 32                     
 33                     else
 34                     
 35                         Console.WriteLine("参数 0 不存在", s);
 36                         break;
 37                     
 38                 
 39             
 40             // 统计基本信息：字符数 单词数 行数
 41             public void BaseCount()
 42             
 43                 try
 44                 
 45                     // 打开文件
 46                     FileStream file = new FileStream(sFilename, FileMode.Open, FileAccess.Read, FileShare.Read);
 47                     StreamReader sr = new StreamReader(file);
 48                     int nChar;
 49                     int charcount = 0;
 50                     int wordcount = 0;
 51                     int linecount = 0;
 52                     //定义一个字符数组
 53                     char[] symbol =  ‘ ‘, ‘	‘, ‘,‘, ‘.‘, ‘?‘, ‘!‘, ‘:‘, ‘;‘, ‘‘‘, ‘"‘, ‘
‘, ‘‘, ‘‘, ‘(‘, ‘)‘, ‘+‘ ,‘-‘,
 54               ‘*‘, ‘=‘;
 55                     while ((nChar = sr.Read()) != -1)
 56                     
 57                         charcount++;     // 统计字符数
 58 
 59                         foreach (char c in symbol)
 60                         
 61                             if (nChar == (int)c)
 62                             
 63                                 wordcount++; // 统计单词数
 64                             
 65                         
 66                         if (nChar == ‘
‘)
 67                         
 68                             linecount++; // 统计行数
 69                         
 70                     
 71                     iCharcount = charcount;
 72                     iWordcount = wordcount + 1;
 73                     iLinecount = linecount + 1;
 74                     sr.Close();
 75                 
 76                 catch (IOException ex)
 77                 
 78                     Console.WriteLine(ex.Message);
 79                     return;
 80                 
 81             
 82             // 打印信息
 83             public void Display()
 84             
 85                 foreach (string s in sParameter)
 86                 
 87                     if (s == "-c")
 88                     
 89                         Console.WriteLine("字 符 数：0", iCharcount);
 90                     
 91                     else if (s == "-w")
 92                     
 93                         Console.WriteLine("单 词 数：0", iWordcount);
 94                     
 95                     else if (s == "-l")
 96                     
 97                         Console.WriteLine("总 行 数：0", iLinecount);
 98                     
 99                 
100                 Console.WriteLine();
101             
102         
103 
104         [STAThread]
105         static void Main(string[] args)
106         
107             string message = ""; // 存储用户命令
108             while (message != "exit")
109             
110                 Console.Write("wc.exe ");
111                 message = Console.ReadLine();               // 得到输入命令
112                 string[] arrMessSplit = message.Split(‘ ‘); // 分割命令
113                 int iMessLength = arrMessSplit.Length;
114                 string[] sParameter = new string[iMessLength - 1];
115                 // 获取命令参数数组
116                 for (int i = 0; i < iMessLength - 1; i++)
117                 
118                     sParameter[i] = arrMessSplit[i];
119                 
120                 // 获取文件名
121                 string sFilename = arrMessSplit[iMessLength - 1];
122                 Console.WriteLine();
123                 WC wc = new WC();
124                 wc.Operator(sParameter, sFilename);//执行
125                 wc.BaseCount();//统计信息
126                 wc.Display();//打印信息
127                 
128               
129         
130 
131     
132