140 lines
4.2 KiB
C#
140 lines
4.2 KiB
C#
using Newtonsoft.Json;
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using System;
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using System.ComponentModel;
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using System.Reflection;
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namespace YD_WeChatApplet.Commons.Utils
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{
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/// <summary>
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/// 工具类
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/// </summary>
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public static class Util
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{
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/// <summary>
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/// 获取短信Code
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/// </summary>
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/// <returns></returns>
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public static string GetSmsCode()
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{
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Random random = new Random();
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return random.Next(1000, 9999).ToString();
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}
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public static string ReplaceWithSpecialChar(string value, int startLen = 4, int endLen = 4, char specialChar = '*')
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{
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try
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{
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int lenth = value.Length - startLen - endLen;
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string replaceStr = value.Substring(startLen, lenth);
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string specialStr = string.Empty;
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for (int i = 0; i < replaceStr.Length; i++)
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{
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specialStr += specialChar;
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}
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value = value.Replace(replaceStr, specialStr);
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}
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catch (Exception)
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{
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throw;
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}
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return value;
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}
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public static string GetColorValue(string color)
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{
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switch (color)
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{
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case "黄色":
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return "#FFFF00";
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case "绿色":
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return "#008000";
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case "红色":
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return "#FF0000";
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case "蓝色":
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return "#0000FF";
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default:
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return "#0000FF";
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}
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}
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public static string Serialize(this object obj, JsonSerializerSettings formatDate = null)
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{
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if (obj == null) return null;
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formatDate = formatDate ?? new JsonSerializerSettings
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{
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DateFormatString = "yyyy-MM-dd HH:mm:ss"
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};
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return JsonConvert.SerializeObject(obj, formatDate);
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}
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public static int GetInt(this object obj)
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{
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if (obj == null)
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return 0;
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int.TryParse(obj.ToString(), out int _number);
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return _number;
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}
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private static DateTime dateStart = new DateTime(1970, 1, 1, 8, 0, 0);
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private static long longTime = 621355968000000000;
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private static int samllTime = 10000000;
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/// <summary>
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/// 获取时间戳
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/// </summary>
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/// <param name="dateTime"></param>
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/// <returns></returns>
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public static long GetTimeStamp(this DateTime dateTime)
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{
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return (dateTime.ToUniversalTime().Ticks - longTime) / samllTime;
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}
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/// <summary>
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/// 时间戳转换成日期
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/// </summary>
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/// <param name="timeStamp"></param>
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/// <returns></returns>
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public static DateTime GetTimeSpmpToDate(this object timeStamp)
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{
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if (timeStamp == null) return dateStart;
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DateTime dateTime = new DateTime(longTime + Convert.ToInt64(timeStamp) * samllTime, DateTimeKind.Utc).ToLocalTime();
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return dateTime;
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}
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/// <summary>
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/// 将 Unix 时间戳（秒）转换为 DateTime
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/// </summary>
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public static DateTime ToDateTime(this long unixTimestamp)
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{
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return DateTimeOffset.FromUnixTimeSeconds(unixTimestamp).DateTime;
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}
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/// <summary>
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/// 将 Unix 时间戳（秒）转换为格式化字符串（默认格式：yyyy-MM-dd HH:mm:ss）
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/// </summary>
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public static string ToDateTimeString(this long unixTimestamp, string format = "yyyy-MM-dd HH:mm:ss")
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{
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return DateTimeOffset.FromUnixTimeSeconds(unixTimestamp).ToString(format);
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}
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/// <summary>
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/// 将 DateTime 转换为 Unix 时间戳（秒）
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/// </summary>
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public static long ToUnixTimestamp(this DateTime date)
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{
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return new DateTimeOffset(date).ToUnixTimeSeconds();
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}
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public static bool IsNullOrEmpty(this object str)
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{
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if (str == null)
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return true;
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return str.ToString() == "";
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}
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}
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}
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