88 lines
2.6 KiB
C#
88 lines
2.6 KiB
C#
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using System;
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using System.Collections.Generic;
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using System.Drawing;
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using System.IO;
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using System.Linq;
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using System.Text;
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using System.Threading.Tasks;
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namespace Chat.Framework.Utils
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{
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/// <summary>
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/// 常用的操作类
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/// </summary>
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public static class Common
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{
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#region Base64 与 Image互转
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/// <summary>
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/// 图片转Base64
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/// </summary>
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/// <param name="file">图片</param>
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/// <returns></returns>
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public static string ConvertImageToBase64(Image file)
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{
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using (MemoryStream memoryStream = new MemoryStream())
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{
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file.Save(memoryStream, file.RawFormat);
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byte[] imageBytes = memoryStream.ToArray();
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return Convert.ToBase64String(imageBytes);
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}
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}
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/// <summary>
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/// Base64转图片
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/// </summary>
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/// <param name="base64String">base64</param>
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/// <returns></returns>
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public static Image ConvertBase64ToImage(string base64String)
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{
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byte[] imageBytes = Convert.FromBase64String(base64String);
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using (MemoryStream ms = new MemoryStream(imageBytes, 0, imageBytes.Length))
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{
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ms.Write(imageBytes, 0, imageBytes.Length);
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return Image.FromStream(ms, true);
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}
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}
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#endregion
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private static Random random = new Random();
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/// <summary>
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/// 变量分隔,随机返回
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/// </summary>
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/// <param name="mess">消息</param>
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/// <param name="separator">分隔标识</param>
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/// <returns></returns>
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public static string RandomMess(this string mess, string separator = "[随机]")
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{
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try
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{
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if (string.IsNullOrWhiteSpace(mess)) return string.Empty;
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var messList = mess.Split(new string[] { separator }, StringSplitOptions.RemoveEmptyEntries).Where(f => !string.IsNullOrWhiteSpace(f)).ToList();
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if (messList != null)
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{
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if (messList.Count == 0 || messList.Count == 1)
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return mess;
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return messList[random.Next(0, messList.Count)];
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}
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}
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catch (Exception)
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{ }
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return mess;
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}
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/// <summary>
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/// 朋友圈类型
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/// </summary>
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public enum CircleType
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{
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文字朋友圈 = 0,
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视频朋友圈 = 1,
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链接朋友圈 = 2,
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图文朋友圈 = 3,
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}
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}
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}
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