74 lines
2.1 KiB
C#
74 lines
2.1 KiB
C#
using System;
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using System.Security.Cryptography;
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using System.Text;
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using System.Text.Encodings.Web;
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using System.Text.Json;
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using System.Text.Json.Serialization;
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using System.Text.RegularExpressions;
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using System.Text.Unicode;
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namespace SimApi.Helpers;
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public static class SimApiUtil
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{
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/// <summary>
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/// 当前CST时间
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/// </summary>
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public static DateTime CstNow => DateTime.UtcNow.AddHours(8);
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/// <summary>
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/// JSON序列化常规选项
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/// </summary>
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public static JsonSerializerOptions JsonOption => new()
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{
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Encoder = JavaScriptEncoder.Create(UnicodeRanges.All),
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PropertyNamingPolicy = JsonNamingPolicy.CamelCase,
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DefaultIgnoreCondition = JsonIgnoreCondition.WhenWritingNull
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};
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/// <summary>
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/// 当前秒级时间戳
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/// </summary>
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public static double TimestampNow => (DateTime.UtcNow - new DateTime(1970, 1, 1, 0, 0, 0, 0)).TotalSeconds;
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/// <summary>
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/// 检测手机号是否正确
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/// </summary>
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/// <param name="cell">手机号码</param>
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/// <returns></returns>
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public static bool CheckCell(string cell)
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{
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var regex = new Regex("^1[3456789]\\d{9}$");
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return regex.IsMatch(cell);
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}
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/// <summary>
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/// MD5加密字符串
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/// </summary>
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/// <param name="source">源字符串</param>
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/// <param name="mode">加密结果"x2"结果为32位,"x3"结果为48位,"x4"结果为64位</param>
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/// <returns></returns>
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public static string Md5(string source, string mode = "x2")
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{
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var sor = Encoding.UTF8.GetBytes(source);
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var md5 = MD5.Create();
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var result = md5.ComputeHash(sor);
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var strbul = new StringBuilder(40);
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foreach (var t in result)
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{
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strbul.Append(t.ToString(mode));
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}
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return strbul.ToString();
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}
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/// <summary>
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/// 将对象序列化成JSON （控制台输出中文不会被编码）
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/// </summary>
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/// <param name="obj"></param>
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/// <returns></returns>
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public static string Json(object obj)
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{
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return JsonSerializer.Serialize(obj, JsonOption);
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}
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} |