public void TestCountChar()
{
string str = "Abcd aa!";
int count = str.Length;
Assert.AreEqual(WordsList.CountChar(str), count);
string str1 = "";
Assert.AreEqual(WordsList.CountChar(str1), str1.Length);
}
static void Main(string[] args)
{
int countLine = 0;
string str = "";
string path = "";
int phraseNum = 0;
int wordFreNum = 0;
// 判断输入参数
for (int i = 0; i < args.Length; i += 2)
{
switch (args[i])
{
/* -i 参数设定读入文件的路径*/
case "-i":
path = args[i + 1];
break;
/* -m 参数设定的词组长度*/
case "-m":
phraseNum = int.Parse(args[i + 1]);
break;
/* -n 参数设定输出单词数量*/
case "-n":
wordFreNum = int.Parse(args[i + 1]);
break;
/* -o 参数设定生成文件的存储路径*/
case "-o":
break;
}
}
//当文件路径存在时
if (File.Exists(path))
{
StreamReader sr = new StreamReader(path, Encoding.Default);
string line;
while ((line = sr.ReadLine()) != null)
{
countLine++;
str += line + "\n";
}
sr.Close();
str = str.Trim();
//如果含有-o参数 将显示内容输出到文件中
for (int i = 0; i < args.Length; i++)
{
if (args[i] == "-o")
{
FileStream fs = new FileStream(args[i + 1], FileMode.Create);
StreamWriter sw = new StreamWriter(fs);
sw.WriteLine("Characters:" + WordsList.CountChar(str));
sw.WriteLine("Lines: " + countLine);
sw.WriteLine("Words:" + WordsList.CountWords(str));
//如果有-n参数且有大于零的输入，调用PutNwords函数
if (wordFreNum > 0)
{
sw.WriteLine("输出频率前" + wordFreNum + "的词组：");
Dictionary <string, int> item = PutNwords(str).OrderByDescending(r => r.Value).ThenBy(r => r.Key).ToDictionary(r => r.Key, r => r.Value);
int size = 0;
foreach (KeyValuePair <string, int> entry in item)
{
string word = entry.Key;
int frequency = entry.Value;
size++;
if (size > wordFreNum)
{
break;
}
sw.WriteLine(word + ":" + frequency);
}
}
//如果有-n参数且大于零的输入，则调用phraseNum函数
if (phraseNum > 0)
{
sw.WriteLine("输出长度为" + phraseNum + "的词组：");
Dictionary <string, int> item = PhraseFre(str, phraseNum).OrderByDescending(r => r.Value).ThenBy(r => r.Key).ToDictionary(r => r.Key, r => r.Value);
foreach (KeyValuePair <string, int> entry in item)
{
string word = entry.Key;
int frequency = entry.Value;
sw.WriteLine(word + ":" + frequency);
}
}
sw.Flush();//关闭流
sw.Close();
Console.WriteLine("文件已创建在：" + args[i + 1]);
}
}
}
else
{
Console.WriteLine("没有文件路径或文件不存在！");
}
}
