A.2多任务网段扫描练习 （增加功能）

为了实现对IP地址后两段的任意设定 几乎改掉了之前所有的代码 -.-||

与之前http://blog.youkuaiyun.com/qq_35252878/article/details/60781383相比，增加了对IP地址后两位也可以设置最大最小值的功能。

效果：

MainWindow.xaml.cs:

using System;
using System.Collections.Generic;
using System.Linq;
using System.Net;
using System.Text;
using System.Threading.Tasks;
using System.Windows;
using System.Windows.Controls;
using System.Windows.Data;
using System.Windows.Documents;
using System.Windows.Input;
using System.Windows.Media;
using System.Windows.Media.Imaging;
using System.Windows.Navigation;
using System.Windows.Shapes;
using System.Timers;
using System.Diagnostics;
using System.Threading;
using System.Drawing;


namespace A._2
{
    /// <summary>
    /// MainWindow.xaml 的交互逻辑
    /// </summary>
    public partial class MainWindow : Window
    {
        public MainWindow()
        {
            InitializeComponent();

        }

        long minTime;
        long maxTime;
        string add2_41;
        int add2_4;
        string add2_51;
        int add2_5;
        string add3_41;
        int add3_4;
        string add3_51;
        int add3_5;
        string add2;
        string address;
        string add;



        private void judge_IPAddress(object Address)
        {

            string Dname;
            String address=(string)Address;
            Stopwatch sw = new Stopwatch();
            sw.Start();
            try
            {
                IPAddress ip = IPAddress.Parse(address);
                Dname = Dns.GetHostEntry(ip).HostName;
            }
            catch
            {
                Dname = "(不在线)";
            }
            sw.Stop();
            if (sw.ElapsedMilliseconds > maxTime)
                maxTime = sw.ElapsedMilliseconds;
            if (sw.ElapsedMilliseconds < minTime)
                minTime = sw.ElapsedMilliseconds;
            ListBox.Dispatcher.Invoke(new Action(() => { ListBox.Items.Add("扫描地址：" + Address + ",扫描用时：" + sw.ElapsedMilliseconds + "毫秒，主机DNS名称：" + Dname); }));
           // ListBox.Items.Add("扫描地址：" + Address + ",扫描用时："+sw.ElapsedMilliseconds+"毫秒，主机DNS名称："+Dname);
            //if(num==0)
            //    ListBox.Dispatcher.Invoke(new Action(() => { ListBox.Items.Add("扫描结束！"); }));

            //Thread.Sleep(1000);
        }

        private void listBox_SelectionChanged(object sender, SelectionChangedEventArgs e)
        {

        }

        private void textBox_TextChanged(object sender, TextChangedEventArgs e)
        {

        }




        private  void convrt(int star)
        {
            if(star==add2_4)
            {
                //MessageBox.Show("star1=" + star+"开始"+add2_5);
                for(int k=add2_5;k<=255;k++)
                {
                    add2 = star.ToString() + "." + k.ToString();
                    address = add + add2;
                    begin();
                }
            }
            else if(star==add3_4)
            {
                for(int h=0;h<=add3_5;h++)
                {
                    add2 = star.ToString() + "." + h.ToString();
                    address = add + add2;
                    begin();
                }
            }
            else
            {
                //MessageBox.Show("star="+star);
                for(int q=0;q<=255;q++)
                {
                    add2 = star.ToString() + "." + q.ToString();
                    address = add + add2;
                    begin();
                }
            }
        }




        private void begin()
        {
                try
                {
                    IPAddress ip = IPAddress.Parse(address);
                }
                catch
                {
                    Textbox.Visibility = Visibility.Visible;
                    return;
                }
                Thread t = new Thread(judge_IPAddress);
                t.Start(address);

        }




        private void button_Click(object sender, RoutedEventArgs e)
        {
            minTime = 0xffff;
            maxTime = 0;
            int flag = 0;
            int the2 = 0;
            int the3 = 0;
            int L1 = 0;
            int L2 = 0;


            add = textBox.Text;
            int l = add.Length;
            if(add[l-1]!='.')
            {
                add = add + '.';
            }
            Textbox.Foreground = new SolidColorBrush(Colors.White); 
            //num = Int32.Parse(textBox2.Text) - Int32.Parse(textBox1.Text);
            string add2 = textBox1.Text;
            string add3 = textBox2.Text;
            for (int i = 0; i < add2.Length;i++)   //判断textbox1中是否是地址的后两段
            {
                if(add2[i]=='.')
                {
                    flag = 1;
                    the2 = i;
                }
            }
            if(flag==1) //起始值为***.***
            {

                L1 = add2.Length;
                L2 = add3.Length;
                add2_41 = add2.Substring(0, the2);//记录下倒数第二位的初始值
                add2_4 = (Int32.Parse(add2_41));        //将倒数第二位的初始值转化int型
                add2_51 = add2.Substring(L1 - the2);
                add2_5 = Int32.Parse(add2_51);

                for (int i = 0; i < add3.Length; i++)
                {
                    if (add3[i] == '.')
                        the3 = i;
                }
                add3_41 = add3.Substring(0, the3);//记录下倒数第二位的结束值
                add3_4 = (Int32.Parse(add3_41));        //将倒数第二位的结束值转化int型
                add3_51 = add3.Substring(L2 - the3);
                add3_5 = Int32.Parse(add3_51);
                if (add2_4 > add3_4)
                    add2_4 ^= add3_4 ^= add2_4 ^= add3_4;
                //ListBox.Dispatcher.Invoke(new Action(() => { ListBox.Items.Add("初始：" + add2_4 + ",结束：" + add3_4 + "初始：" + add2_5+"结束："+add3_5); }));

                for(int i=add2_4;i<=add3_4;i++)
                {
                    convrt(i);
                }

                    //ListBox.Dispatcher.Invoke(new Action(() => { ListBox.Items.Add("最长用时：" + maxTime + "s,最短用时：" + minTime + "s."); }));
                    MessageBox.Show("1扫描结束！"+"最长用时："+maxTime+"最短用时："+minTime);

            }

            if(flag==0) //起始值为***
            {
                for (int i = Int32.Parse(textBox1.Text); i <= Int32.Parse(textBox2.Text); i++)
                {
                    address = add + i.ToString();
                    begin();
                }

                    //t.Abort();
                    //ListBox.Dispatcher.Invoke(new Action(() => { ListBox.Items.Add("最长用时：" + maxTime + "s,最短用时：" + minTime + "s."); }));

                    MessageBox.Show("2扫描结束！" + "最长用时：" + maxTime + "最短用时：" + minTime);

            }

        }

        private void Textbox_TextChanged_1(object sender, TextChangedEventArgs e)
        {
        }
    }
}

目前只是达到了预期的效果，还有很多地方不尽完善。
一会或许还要进行完善，注释显示了很多思考过程，不想删。