zzlxp 

SqlServer .Net Standard 2.1 帮助类

public ActionResult SecurityCode() { var sc = new SecurityCode(); string code = sc.Code; //验证码的字符为4个 return File(sc.Image, "image/Jpeg"); }

netcore3.0通用配置读取

Redis帮助类,连接字符串"RedisConfig".

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通用加密解密库

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