• C#统计单词词频


    using System;
    using System.Collections;
    using System.ComponentModel;
    using System.Data;
    using System.Drawing;
    using System.Linq;
    using System.Text;
    using System.Windows.Forms;
    using System.IO;
    
    
    namespace 英语词频
    {
        public partial class Form1 : Form
        {
            public Form1()
            {  InitializeComponent();
        }
    
            private void button1_Click(object sender, System.EventArgs e)
            {
    
    
    
                Stream myStream ;
                StreamReader myReader;
                OpenFileDialog openFileDialog1 = new OpenFileDialog();
                openFileDialog1.InitialDirectory = "E:\\";
                openFileDialog1.Filter = "txt files (*.txt)|*.txt|All files (*.*)|*.*";
                //openFileDialog1.FilterIndex = 2;
                openFileDialog1.RestoreDirectory = true;
    
                if (openFileDialog1.ShowDialog() == DialogResult.OK)
                {
                   try
                    {
                        if ((myStream = openFileDialog1.OpenFile()) != null)
                        {
                            string sLine; 
                            myReader = File.OpenText(openFileDialog1 .FileName);
                            while ((sLine = myReader.ReadLine()) != null)
                            {
                                richTextBox1.Text += sLine;
                            }
                            
                        }
                    }
                    catch (Exception ex)
                    {
                        MessageBox.Show("Error: Could not read file from disk. Original error: " + ex.Message);
                    }
                }
                
            }
           private void Form1_Load(object sender, EventArgs e)
            {
                richTextBox1.Text = "";
            }
    
            private void richTextBox1_TextChanged(object sender, EventArgs e)
            {
    
            }
    
            private void button2_Click(object sender, EventArgs e)
            {
                 string W = richTextBox1.Text;
                //定义一个字符数组
                char[] c = { ' ', ',', '.', '?', '!', ':', ';', '\'', '\"' };
                //分隔字符串后产生的字符串数组
                string[] S = W.Split(c);
                //建立哈希表
                Hashtable ha = new Hashtable();
                for ( int i = 0; i < S.Length; i++)
                {
                    //判断文本是否进入
                    if (ha.ContainsKey(S[i]))
                    {
                        ha[S[i]] = (int)ha[S[i]] + 1;
                    }
                    else
                    {
                        ha.Add(S[i], 1);
                    }
                }
                //遍历哈希表
                foreach (DictionaryEntry de in ha)
                {
                    //输出
                    Console.WriteLine(de.Key + ":" + de.Value);
                    //追加文本
                   richTextBox2.AppendText(de.Key + ":" + de.Value + "\n");
                   
    
    
                }
                int Sum=0;
                for (int i = 0; i < S.Length; i++)
                {
                   textBox1.Text = (i+1).ToString();
    
                }
      
                }
    


     

  • 相关阅读:
    asp.net+Sqlserver 通过存储过程读取数据
    文字半透明显示在图片上
    饼形统计图
    折线统计图
    柱状统计图
    关于phonegap
    codesmith的使用
    asp.net读取Access数据库。
    Tomcat7.0安装配置
    freemarker数字格式化
  • 原文地址:https://www.cnblogs.com/zhangdongdong/p/3038100.html
Copyright © 2020-2023  润新知