regulatory_net/Admin.NET.Core/Extension/ObjectExtension.cs

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//
// 此源代码遵循位于源代码树根目录中的 LICENSE 文件的许可证

namespace Admin.NET.Core;

/// <summary>
/// 对象拓展
/// </summary>
[SuppressSniffer]
public static partial class ObjectExtension
{
    /// <summary>
    /// 判断类型是否实现某个泛型
    /// </summary>
    /// <param name="type">类型</param>
    /// <param name="generic">泛型类型</param>
    /// <returns>bool</returns>
    public static bool HasImplementedRawGeneric(this Type type, Type generic)
    {
        // 检查接口类型
        var isTheRawGenericType = type.GetInterfaces().Any(IsTheRawGenericType);
        if (isTheRawGenericType) return true;

        // 检查类型
        while (type != null && type != typeof(object))
        {
            isTheRawGenericType = IsTheRawGenericType(type);
            if (isTheRawGenericType) return true;
            type = type.BaseType;
        }

        return false;

        // 判断逻辑
        bool IsTheRawGenericType(Type type) => generic == (type.IsGenericType ? type.GetGenericTypeDefinition() : type);
    }

    /// <summary>
    /// 将字典转化为QueryString格式
    /// </summary>
    /// <param name="dict"></param>
    /// <param name="urlEncode"></param>
    /// <returns></returns>
    public static string ToQueryString(this Dictionary<string, string> dict, bool urlEncode = true)
    {
        return string.Join("&", dict.Select(p => $"{(urlEncode ? p.Key?.UrlEncode() : "")}={(urlEncode ? p.Value?.UrlEncode() : "")}"));
    }

    /// <summary>
    /// 将字符串URL编码
    /// </summary>
    /// <param name="str"></param>
    /// <returns></returns>
    public static string UrlEncode(this string str)
    {
        return string.IsNullOrEmpty(str) ? "" : System.Web.HttpUtility.UrlEncode(str, Encoding.UTF8);
    }

    /// <summary>
    /// 对象序列化成Json字符串
    /// </summary>
    /// <param name="obj"></param>
    /// <returns></returns>
    public static string ToJson(this object obj)
    {
        return JSON.GetJsonSerializer().Serialize(obj);
    }

    /// <summary>
    /// Json字符串反序列化成对象
    /// </summary>
    /// <typeparam name="T"></typeparam>
    /// <param name="json"></param>
    /// <returns></returns>
    public static T ToObject<T>(this string json)
    {
        return JSON.GetJsonSerializer().Deserialize<T>(json);
    }

    /// <summary>
    /// 将object转换为long，若失败则返回0
    /// </summary>
    /// <param name="obj"></param>
    /// <returns></returns>
    public static long ParseToLong(this object obj)
    {
        try
        {
            return long.Parse(obj.ToString());
        }
        catch
        {
            return 0L;
        }
    }

    /// <summary>
    /// 将object转换为long，若失败则返回指定值
    /// </summary>
    /// <param name="str"></param>
    /// <param name="defaultValue"></param>
    /// <returns></returns>
    public static long ParseToLong(this string str, long defaultValue)
    {
        try
        {
            return long.Parse(str);
        }
        catch
        {
            return defaultValue;
        }
    }

    /// <summary>
    /// 将object转换为double，若失败则返回0
    /// </summary>
    /// <param name="obj"></param>
    /// <returns></returns>
    public static double ParseToDouble(this object obj)
    {
        try
        {
            return double.Parse(obj.ToString());
        }
        catch
        {
            return 0;
        }
    }

    /// <summary>
    /// 将object转换为double，若失败则返回指定值
    /// </summary>
    /// <param name="str"></param>
    /// <param name="defaultValue"></param>
    /// <returns></returns>
    public static double ParseToDouble(this object str, double defaultValue)
    {
        try
        {
            return double.Parse(str.ToString());
        }
        catch
        {
            return defaultValue;
        }
    }

    /// <summary>
    /// 将string转换为DateTime，若失败则返回日期最小值
    /// </summary>
    /// <param name="str"></param>
    /// <returns></returns>
    public static DateTime ParseToDateTime(this string str)
    {
        try
        {
            if (string.IsNullOrWhiteSpace(str))
            {
                return DateTime.MinValue;
            }
            if (str.Contains('-') || str.Contains('/'))
            {
                return DateTime.Parse(str);
            }
            else
            {
                int length = str.Length;
                switch (length)
                {
                    case 4:
                        return DateTime.ParseExact(str, "yyyy", System.Globalization.CultureInfo.CurrentCulture);

                    case 6:
                        return DateTime.ParseExact(str, "yyyyMM", System.Globalization.CultureInfo.CurrentCulture);

                    case 8:
                        return DateTime.ParseExact(str, "yyyyMMdd", System.Globalization.CultureInfo.CurrentCulture);

                    case 10:
                        return DateTime.ParseExact(str, "yyyyMMddHH", System.Globalization.CultureInfo.CurrentCulture);

                    case 12:
                        return DateTime.ParseExact(str, "yyyyMMddHHmm", System.Globalization.CultureInfo.CurrentCulture);

                    case 14:
                        return DateTime.ParseExact(str, "yyyyMMddHHmmss", System.Globalization.CultureInfo.CurrentCulture);

                    default:
                        return DateTime.ParseExact(str, "yyyyMMddHHmmss", System.Globalization.CultureInfo.CurrentCulture);
                }
            }
        }
        catch
        {
            return DateTime.MinValue;
        }
    }

    /// <summary>
    /// 将string转换为DateTime，若失败则返回默认值
    /// </summary>
    /// <param name="str"></param>
    /// <param name="defaultValue"></param>
    /// <returns></returns>
    public static DateTime ParseToDateTime(this string str, DateTime? defaultValue)
    {
        try
        {
            if (string.IsNullOrWhiteSpace(str))
            {
                return defaultValue.GetValueOrDefault();
            }
            if (str.Contains('-') || str.Contains('/'))
            {
                return DateTime.Parse(str);
            }
            else
            {
                int length = str.Length;
                switch (length)
                {
                    case 4:
                        return DateTime.ParseExact(str, "yyyy", System.Globalization.CultureInfo.CurrentCulture);

                    case 6:
                        return DateTime.ParseExact(str, "yyyyMM", System.Globalization.CultureInfo.CurrentCulture);

                    case 8:
                        return DateTime.ParseExact(str, "yyyyMMdd", System.Globalization.CultureInfo.CurrentCulture);

                    case 10:
                        return DateTime.ParseExact(str, "yyyyMMddHH", System.Globalization.CultureInfo.CurrentCulture);

                    case 12:
                        return DateTime.ParseExact(str, "yyyyMMddHHmm", System.Globalization.CultureInfo.CurrentCulture);

                    case 14:
                        return DateTime.ParseExact(str, "yyyyMMddHHmmss", System.Globalization.CultureInfo.CurrentCulture);

                    default:
                        return DateTime.ParseExact(str, "yyyyMMddHHmmss", System.Globalization.CultureInfo.CurrentCulture);
                }
            }
        }
        catch
        {
            return defaultValue.GetValueOrDefault();
        }
    }

    /// <summary>
    /// 是否有值
    /// </summary>
    /// <param name="obj"></param>
    /// <returns></returns>
    public static bool IsNullOrEmpty(this object obj)
    {
        return obj == null || string.IsNullOrEmpty(obj.ToString());
    }

    /// <summary>
    /// 字符串掩码
    /// </summary>
    /// <param name="str">字符串</param>
    /// <param name="mask">掩码符</param>
    /// <returns></returns>
    public static string Mask(this string str, char mask = '*')
    {
        if (string.IsNullOrWhiteSpace(str?.Trim()))
            return str;

        str = str.Trim();
        var masks = mask.ToString().PadLeft(4, mask);
        return str.Length switch
        {
            >= 11 => Regex.Replace(str, "(.{3}).*(.{4})", $"$1{masks}$2"),
            10 => Regex.Replace(str, "(.{3}).*(.{3})", $"$1{masks}$2"),
            9 => Regex.Replace(str, "(.{2}).*(.{3})", $"$1{masks}$2"),
            8 => Regex.Replace(str, "(.{2}).*(.{2})", $"$1{masks}$2"),
            7 => Regex.Replace(str, "(.{1}).*(.{2})", $"$1{masks}$2"),
            6 => Regex.Replace(str, "(.{1}).*(.{1})", $"$1{masks}$2"),
            _ => Regex.Replace(str, "(.{1}).*", $"$1{masks}")
        };
    }

    /// <summary>
    /// 身份证号掩码
    /// </summary>
    /// <param name="idCard">身份证号</param>
    /// <param name="mask">掩码符</param>
    /// <returns></returns>
    public static string MaskIdCard(this string idCard, char mask = '*')
    {
        if (!idCard.TryValidate(ValidationTypes.IDCard).IsValid) return idCard;

        return idCard.Replace("(?<=\\w{3})\\w(?=\\w{4})", $"{mask}");
    }

    /// <summary>
    /// 邮箱掩码
    /// </summary>
    /// <param name="email">邮箱</param>
    /// <param name="mask">掩码符</param>
    /// <returns></returns>
    public static string MaskEmail(this string email, char mask = '*')
    {
        if (!email.TryValidate(ValidationTypes.EmailAddress).IsValid) return email;

        var masks = mask.ToString().PadLeft(4, mask);
        return email.Replace("(^\\w)[^@]*(@.*$)", $"$1{masks}$2");
    }

    /// <summary>
    /// 银行卡号掩码
    /// </summary>
    /// <param name="bankCard">银行卡号</param>
    /// <param name="mask">掩码符</param>
    /// <returns></returns>
    public static string MaskBankCard(this string bankCard, char mask = '*')
    {
        if (bankCard.Length < 10) return bankCard;

        var masks = mask.ToString().PadLeft(4, mask);
        return bankCard.Replace("(\\d{6})\\d{9}(\\d{4})", $"$1{masks}$2");
    }
}