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using System;
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using System.Collections.Generic;
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using System.Text;
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using System.Threading.Tasks;
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namespace Admin.Core.Common
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{
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public interface ICaptcha
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{
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/// <summary>
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/// 生成随机验证码
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/// </summary>
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/// <param name="codeLength"></param>
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/// <returns></returns>
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Task<string> GenerateRandomCaptcha(int codeLength = 4);
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/// <summary>
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/// 生成验证码图片
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/// </summary>
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/// <param name="captchaCode">验证码</param>
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/// <param name="width">宽为0将根据验证码长度自动匹配合适宽度</param>
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/// <param name="height">高</param>
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/// <returns></returns>
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Task<CaptchaResult> GenerateCaptchaImage(string captchaCode, int width = 0, int height = 30);
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}
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}
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