导入导出文本到LISTVIEW-优快云博客

using System;
using System.Collections.Generic;
using System.ComponentModel;
using System.Data;
using System.Drawing;
using System.Text;
using System.Windows.Forms;
using System.Text.RegularExpressions;
using System.IO;
namespace GetLoginQQDemo
{

    public partial class Form1 : Form
    {

        private string url = "http://xui.ptlogin2.qq.com/cgi-bin/qlogin?domain=qq.com&lang=2052&qtarget=1&jumpname=&appid=549000912&ptcss=undefined&param=u1%253Dhttp%25253A%25252F%25252Fqun.qzone.qq.com%25252Fgroup&css=&mibao_css=&s_url=http%253A%252F%252Fqun.qzone.qq.com%252Fgroup&low_login=0&style=12&authParamUrl=&needVip=1&ptui_version=10028";

        private WebBrowser web = new WebBrowser();
        public Form1()
        {
            InitializeComponent();

            lvwUins.Columns.Add("昵称", 100);
            lvwUins.Columns.Add("QQ号码", 100);

         web.Url = new Uri(url);
        }

        private void button1_Click(object sender, EventArgs e)
        {
            if (web.ReadyState != WebBrowserReadyState.Complete)
            {
                MessageBox.Show("网页尚未加载完毕,请稍等.");
                return;
            }

            lvwUins.Items.Clear();

            HtmlDocument doc = web.Document;
            HtmlElement uinList = doc.GetElementById("list_uin");
            if (uinList != null)
            {
                for (int i = 0; i < uinList.Children.Count; i++)
                {
                    string str = uinList.Children[i].InnerText;
                    string[] temp = str.Split(' ');
                    string nick = temp[0];
                    string uin = temp[1];
                    //去除括号
                    uin = uin.Replace("(", "").Replace(")", "");
                    ListViewItem item = new ListViewItem();
                    item.Text = nick;
                    item.SubItems.Add(uin);
                    lvwUins.Items.Add(item);
                }
            }
        }

        private void textBox1_TextChanged(object sender, EventArgs e)
        {

        }

        private void button2_Click(object sender, EventArgs e)
        {

          
            openFileDialog1.Filter = "文本文件(*.txt)|*.TXT";
            if(openFileDialog1.ShowDialog()==DialogResult.OK){
                StreamReader sr = new StreamReader(openFileDialog1.FileName);
                string str_read="";
                while( (str_read=sr.ReadLine())!=null)
                {
                    string[] temp = str_read.Split(new char[] { '-'});
                    ListViewItem item = new ListViewItem();
                    item.Text = temp[0];
                    item.SubItems.Add(temp[1]);
                    lvwUins.Items.Add(item);//PS 如果分割符太长，，只能获取第一个，，，，后面的无法获取
                }
                sr.Close();
            }

        }

        private void button3_Click(object sender, EventArgs e)
        {
            saveFileDialog1.Filter = "文本文件(*.txt)|*.TXT";
            if (saveFileDialog1.ShowDialog() == DialogResult.OK)
            {
                StreamWriter sw = new StreamWriter(saveFileDialog1.FileName, true);
           
                for (int i = 0; i < lvwUins.Items.Count; i++)
                {
                    for (int j = 0; j < lvwUins.Items[i].SubItems.Count; j++)
                    {
                        string str = lvwUins.Items[i].SubItems[j].Text;
                        sw.Write(str);

                        sw.Write("-");

                    }
                 
                    sw.WriteLine();


                }
                sw.Flush();
                sw.Close();
            }
        }
    }
}