Question

我目前正在尝试创建一个应用程序进行文本处理以读取文本文件，然后我使用字典创建单词索引，读取文本文件并检查单词是否已经在那个文件中。如果是，它将打印出索引号并继续检查。

我试图实现一些代码来创建字典。我使用的代码如下：

 private void bagofword_Click(object sender, EventArgs e)
 {  //creating dictionary in background
    Dictionary<string, int> dict = new Dictionary<string, int>();
    string rawinputbow = File.ReadAllText(textBox31.Text);
    string[] inputbow = rawinputbow.Split(' ');
        foreach (String word in inputbow)
        {
            if (dict.ContainsKey(word))
            {
                dict[word]++;
            }
            else
            {
                dict[word] = 1;
            }
        }
        var ordered = from k in dict.Keys
                      orderby dict[k] descending
                      select k;

        using (StreamWriter output = new StreamWriter("D:\\output.txt"))
        {
            foreach (String k in ordered)
            {
                output.WriteLine(String.Format("{0}: {1}", k, dict[k]));
            }
            output.Close();
        }  
    }

以下是我输入文本文件的示例：http://pastebin.com/ZRVbhWhV 快速ctrl-F显示＆＃34;不是＆＃34;发生2次＆＃34;＆＃34;发生4次。我需要做的是为每个单词编制索引并将其命名为：

   sample input : "that I have not had not that place" 

      dictionary :              output.txt:
        index word                    5 
          1    I                      1 
          2   have                    2
          3   had                     4
          4   not                     3
          5   that                    4
          6   place                   5
                                      6

有谁知道如何填写该代码？非常感谢任何帮助！

Answer 1

尝试这样的事情：

void Main()
{
    var txt = "that i have not had not that place"
        .Split(" ".ToCharArray(),StringSplitOptions.RemoveEmptyEntries)
        .ToList();

    var dict = new OrderedDictionary();
    var output = new List<int>();

    foreach (var element in txt.Select ((word,index) => new{word,index}))
    {
        if (dict.Contains(element.word))
        {
            var count = (int)dict[element.word];
            dict[element.word] = ++count;
            output.Add(GetIndex(dict,element.word));
        }
        else
        {
            dict[element.word] = 1;
            output.Add(GetIndex(dict,element.word));
        }
    }
}

public int GetIndex(OrderedDictionary dictionary, string key) 
{
    for (int index = 0; index < dictionary.Count; index++)
    {
        if (dictionary[index] == dictionary[key]) 
            return index; // We found the item
    }

    return -1;
}

结果：

dict =（6项）

that = 2 
i = 1 
have = 1 
not = 2 
had = 1 
place = 1

输出=（8项）

C＃实现Dictionary创建单词索引

1 个答案: