c# winform QQ表情例子 附完整源码

【实例截图】

【核心代码】

using System;
using System.Diagnostics;
using System.Drawing;
using System.Drawing.Drawing2D;
using System.Drawing.Imaging;
using System.IO;

using System.Reflection;
using System.Runtime.Serialization;
using System.Runtime.Serialization.Formatters.Binary;
using System.Security.Cryptography;
using System.Text;
using System.Windows.Forms;
using System.Xml.Serialization;

namespace Framework.Utility
{
    /// <summary>
    /// 工具类定义
    /// </summary>
    public class Tools
    {

         /// <summary>
        /// 二进制序列化
        /// </summary>
        /// <typeparam name="T">序列化的类型</typeparam>
        /// <param name="obj">序列化的对象</param>
        /// <param name="filename">序列化的XML文件名</param>
        public static void BinarySerializer<T>(T obj, string filename)
        {


            using (FileStream fs = new FileStream(filename, FileMode.Create, FileAccess.Write))
            {
                BinaryFormatter formatter = new BinaryFormatter();
                try
                {
                    formatter.Serialize(fs, obj);
                }
                catch (SerializationException e)
                {
                    Trace.WriteLine(e);

                }
            }
        }

        /// <summary>
        /// 二进制反列化
        /// </summary>
        /// <typeparam name="T">反序列化的类型</typeparam>
        /// <param name="filename">反序列化的XML文件名</param>
        /// <returns>T类型对象</returns>
        public static T BinaryDeserialize<T>(string filename)
        {

            // 检查文件是否存在
            if (!File.Exists(filename))
            {
                return default(T);
            }
            T obj = default(T);
            using (FileStream fs = new FileStream(filename, FileMode.Open, FileAccess.Read))
            {
                BinaryFormatter formatter = new BinaryFormatter();
                try
                {
                    obj = (T)formatter.Deserialize(fs);
                }
                catch (SerializationException e)
                {
                    Trace.WriteLine(e);

                }
            }
            return obj;
        }

        /// <summary>
        /// 创建目录
        /// </summary>
        /// <param name="path">目录名</param>
        public static void CreateDir(string path)
        {
            string[] dirs = path.Split(char.Parse("\\"));
            string tmp = "";
            if (!Directory.Exists(path))
            {
                foreach (string item in dirs)
                {
                    tmp  = item   "\\";
                    if (!Directory.Exists(tmp))
                    {
                        Directory.CreateDirectory(tmp);
                    }
                }
            }
        }


    }
    /// <summary>
    /// 安全助手类定义
    /// </summary>
    public class SecurityHelper
    {
        /// <summary>
        /// 获取字符串的 MD5 值
        /// </summary>
        /// <param name="text">字符串</param>
        /// <returns>MD5 值</returns>
        public static string GetStringMD5(string text)
        {
            MD5CryptoServiceProvider md5 = new MD5CryptoServiceProvider();

            byte[] encryptedBytes = md5.ComputeHash(Encoding.Default.GetBytes(text));

            StringBuilder sb = new StringBuilder();

            for (int i = 0; i < encryptedBytes.Length; i  )
            {
                sb.AppendFormat("{0:x2}", encryptedBytes[i]);
            }

            return sb.ToString();
        }

        /// <summary>
        /// 实现对一个文件md5的读取，path为文件路径
        /// </summary>
        /// <param name="path"></param>
        /// <returns></returns>
        public static string GetMD5(string path)
        {
            try
            {
                using (Stream file = new FileStream(path, FileMode.Open, FileAccess.Read, FileShare.Read))
                {
                    return GetMD5(file);
                }
            }
            catch (Exception e)
            {
                return e.ToString();
            }
        }

        /// <summary>
        /// 获取流的 MD5 值
        /// </summary>
        /// <param name="s">流</param>
        /// <returns>MD5 值</returns>
        public static string GetMD5(Stream s)
        {
            byte[] hash_byte;
            using (MD5CryptoServiceProvider md5 = new MD5CryptoServiceProvider())
            {
                hash_byte = md5.ComputeHash(s);
            }
            return GetMD5String(hash_byte);
        }

        /// <summary>
        /// 获取数组的 MD5 值
        /// </summary>
        /// <param name="buffer">数组</param>
        /// <returns>MD5 值</returns>
        public static string GetMD5(byte[] buffer)
        {
            byte[] hash_byte;
            using (MD5CryptoServiceProvider md5 = new MD5CryptoServiceProvider())
            {
                hash_byte = md5.ComputeHash(buffer);
            }
            return GetMD5String(hash_byte);
        }

        /// <summary>
        /// 获取数组的 MD5 值
        /// </summary>
        /// <param name="buffer">数组</param>
        /// <param name="offset">偏移</param>
        /// <param name="count">长度</param>
        /// <returns>MD5 值</returns>
        public static string GetMD5(byte[] buffer, int offset, int count)
        {
            byte[] hash_byte;
            using (MD5CryptoServiceProvider md5 = new MD5CryptoServiceProvider())
            {
                hash_byte = md5.ComputeHash(buffer, offset, count);
            }
            return GetMD5String(hash_byte);
        }

        /// <summary>
        /// 获取数组的 MD5 值
        /// </summary>
        /// <param name="hash_byte">数组</param>
        /// <returns>MD5 值</returns>
        private static string GetMD5String(byte[] hash_byte)
        {
            string resule = BitConverter.ToString(hash_byte);
            resule = resule.Replace("-", "");
            return resule;
        }
    }
}