原创：QQ群发言统计

源码下载

using System;
using System.Collections.Generic;
using System.ComponentModel;
using System.Data;
using System.Drawing;
using System.Linq;
using System.Text;
using System.Windows.Forms;
using System.Text.RegularExpressions;
using System.IO;

namespace QQGroupCount
{
    public partial class QQGroupCounter : Form
    {
        public QQGroupCounter()
        {
            InitializeComponent();
        }

        private void btnBroswer_Click(object sender, EventArgs e)
        {
            openFileDialog1.ShowDialog();
        }
        private void openFileDialog1_FileOk(object sender, CancelEventArgs e)
        {
            txtFilePath.Text = openFileDialog1.FileName;
            btnCount.Focus();
        }

        private void btnCount_Click(object sender, EventArgs e)
        {
            StreamReader sr = new StreamReader(txtFilePath.Text);
            CountingContent(sr.ReadToEnd());
            sr.Dispose();
        }

        void CountingContent(string content)
        {
            string pattern = @"\d{4}[\-|/]\d{1,2}[\-|/]\d{1,2} \d{1,2}:\d{1,2}:\d{1,2} (.[^\(\)\<\>]*)(\(\d+\)|\<.[^\<\>]*\>)";
            MatchCollection mc = Regex.Matches(content, pattern, RegexOptions.Multiline);
            List<QQUser> list = new List<QQUser>();

            string qq, name;
            foreach (Match m in mc)
            {
                qq = m.Groups[2].Value.Replace(\'(\', \'\0\').Replace(\')\', \'\0\').Replace(\'<\', \'\0\').Replace(\'>\', \'\0\');
                name = m.Groups[1].Value;

                QQUser user = list.Find(u => u.QQ == qq);
                if(user==null)
                    user = list.Find(u => u.NickName == name);
                if (user == null)
                {
                    user = new QQUser();
                    user.QQ = qq;
                    user.NickName = name;
                    user.Count = 1;
                    list.Add(user);
                }
                else
                {
                    user.Count++;
                    user.NickName = name;
                }
            }
            list=list.OrderByDescending(u=>u.Count).ToList();
            int i=0;
            foreach(QQUser user in list)
            {
                i++;
                user.Rank = i;
            }
            dataGridView1.DataSource = list;
        }

    }

    public class QQUser 
    {
        public int Rank { get; set; }
        public string NickName { get; set; }
        public string QQ { get; set; }
        public int Count { get; set; }
    }
}