【娱乐】给你的电脑检查兼容性，并获取你的电脑上安装的软件

最近大家可好。中国又内讧了。

最近听说腾讯经常扫描用户电脑，获取用户安装软件的信息。所以，我就开始想想腾讯是怎么实现的。按照360的说法，腾讯是通过扫描桌面快捷方式的方式来实现的。

我觉得腾讯很脑残，为什么要扫描桌面呢？直接用我的方法，保证不会扫描硬盘也能获取安装列表。开个玩笑，其实，聪明的人都知道360想干什么。

还有说明一下，我对C#不是很熟悉，只是稍微了解一点。本来想用C++写的，但是，博客园的同志据说是专注.net 技术，所以，就用C#吧。

using System;
using System.Diagnostics;
using Microsoft.Win32;
using System.Collections.Generic;

namespace Compatibility
{

    /// <summary>
    /// Check Compatibility
    /// </summary>
    ///
    class Check
    {

        private const string SOFT1 = "qq";
        private const string SOFT2 = "360";
        private static List<SoftWareItem> sofewareList = new List<SoftWareItem>();

        public static void Main()
        {
            if (HasProcess(SOFT1) && HasProcess(SOFT2))
            {
                Console.WriteLine("你的电脑同时运行了QQ 和 360 建议卸载其中一个。");
            }
            else
            {
                Console.WriteLine("你的电脑的兼容性良好。\n");
            }

            Console.WriteLine("我顺便扫描了一下你的电脑，看看你自己安装的软件列表吧。");
            Console.WriteLine("\n软件列表:\n");


            List<SoftWareItem> softwareList = GetInstalledSoftware();
            foreach (SoftWareItem software in softwareList)
            {
                Console.WriteLine("软件名称: " + software.Name);
                Console.WriteLine("安装路径: " + software.Path);
                Console.WriteLine("---------------------------\n\n");
            }
        }

        /// <summary>
        /// check if has the process 
        /// </summary>
        static bool HasProcess(string name)
        {
            foreach (Process clsProcess in Process.GetProcesses())
            {
                if (clsProcess.ProcessName.ToLower().Contains(name))
                {
                    return true;
                }
            }
            return false;
        }

        /// <summary>
        /// Gets a list of installed software and, if known, the software's install path.
        /// </summary>
        /// <returns></returns>
        static List<SoftWareItem> GetInstalledSoftware()
        {
            //query once
            if (sofewareList.Count > 0) return sofewareList;

            //Declare the string to hold the list:

            //The registry key:
            string SoftwareKey = @"SOFTWARE\Microsoft\Windows\CurrentVersion\Uninstall";
            using (RegistryKey rk = Registry.LocalMachine.OpenSubKey(SoftwareKey))
            {
                //Let's go through the registry keys and get the info we need:
                foreach (string skName in rk.GetSubKeyNames())
                {
                    using (RegistryKey sk = rk.OpenSubKey(skName))
                    {
                        try
                        {
                            SoftWareItem software = new SoftWareItem();
                            //If the key has value, continue, if not, skip it:
                            if (!(sk.GetValue("DisplayName") == null))
                            {
                                //Is the install location known?
                                software.Name = sk.GetValue("DisplayName").ToString();
                                if (!(sk.GetValue("InstallLocation") == null)) software.Path = sk.GetValue("InstallLocation").ToString();
                                sofewareList.Add(software);
                            }
                        }
                        catch (Exception ex)
                        {
                            //No, that exception is not getting away... :P
                            Console.WriteLine(ex.Message);
                        }
                    }
                }
            }
            sofewareList.Sort(
            delegate(SoftWareItem left, SoftWareItem right)
            {
                return left.Name.CompareTo(right.Name);
            }
            );
            return sofewareList;
        }
    }

    /// <summary>
    /// soft ware item
    /// </summary>
    class SoftWareItem
    {
        private string name = "unknow";
        private string path = "Install path unknow";

        public string Name
        {
            get
            {
                return name;
            }
            set
            {
                if (value.Length == 0)
                {
                    name = "unknow";
                }
                else
                {
                    name = value;
                }
            }
        }

        public string Path
        {
            get
            {
                return path;
            }

            set
            {
                if (value.Length == 0)
                {
                    path = "Install path unknow";
                }
                else
                {
                    path = value;
                }
            }
        }
    }
}