using Newtonsoft.Json;
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using System;
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using System.Collections.Generic;
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using System.Linq;
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using System.Text;
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using System.Text.RegularExpressions;
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using System.Threading.Tasks;
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using WIDESEAWCS_Core.Const;
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using WIDESEAWCS_Core.Enums;
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namespace WIDESEAWCS_Core.Helper
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{
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public static class UtilConvert
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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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/// 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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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 T DeserializeObject<T>(this string json)
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{
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if (string.IsNullOrEmpty(json))
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{
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return default(T);
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}
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if (json == "{}")
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{
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json = "[]";
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}
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return JsonConvert.DeserializeObject<T>(json);
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}
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public static string FirstLetterToLower(this string thisValue)
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{
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if (string.IsNullOrEmpty(thisValue)) return string.Empty;
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string result = thisValue.Substring(0, 1).ToLower() + thisValue.Substring(1, thisValue.Length - 1);
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return result;
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}
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public static string FirstLetterToUpper(this string thisValue)
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{
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if (string.IsNullOrEmpty(thisValue)) return string.Empty;
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string result = thisValue.Substring(0, 1).ToUpper() + thisValue.Substring(1, thisValue.Length - 1);
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return result;
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}
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/// <summary>
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///
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/// </summary>
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/// <param name="thisValue"></param>
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/// <returns></returns>
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public static int ObjToInt(this object thisValue)
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{
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int reval = 0;
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if (thisValue == null) return 0;
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if (thisValue != DBNull.Value && int.TryParse(thisValue.ToString(), out reval))
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{
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return reval;
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}
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return reval;
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}
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/// <summary>
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///
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/// </summary>
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/// <param name="thisValue"></param>
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/// <returns></returns>
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public static int DoubleToInt(this double thisValue)
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{
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int reval = 0;
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return Convert.ToInt32(thisValue);
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}
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/// <summary>
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///
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/// </summary>
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/// <param name="thisValue"></param>
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/// <param name="errorValue"></param>
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/// <returns></returns>
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public static int ObjToInt(this object thisValue, int errorValue)
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{
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int reval = 0;
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if (thisValue != null && thisValue != DBNull.Value && int.TryParse(thisValue.ToString(), out reval))
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{
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return reval;
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}
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return errorValue;
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}
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public static long ObjToLong(this object thisValue)
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{
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long reval = 0;
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if (thisValue == null) return 0;
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if (thisValue != DBNull.Value && long.TryParse(thisValue.ToString(), out reval))
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{
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return reval;
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}
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return reval;
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}
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/// <summary>
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///
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/// </summary>
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/// <param name="thisValue"></param>
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/// <returns></returns>
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public static double ObjToMoney(this object thisValue)
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{
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double reval = 0;
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if (thisValue != null && thisValue != DBNull.Value && double.TryParse(thisValue.ToString(), out reval))
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{
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return reval;
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}
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return 0;
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}
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/// <summary>
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///
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/// </summary>
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/// <param name="thisValue"></param>
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/// <param name="errorValue"></param>
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/// <returns></returns>
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public static double ObjToMoney(this object thisValue, double errorValue)
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{
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double reval = 0;
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if (thisValue != null && thisValue != DBNull.Value && double.TryParse(thisValue.ToString(), out reval))
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{
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return reval;
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}
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return errorValue;
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}
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/// <summary>
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///
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/// </summary>
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/// <param name="thisValue"></param>
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/// <returns></returns>
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public static string ObjToString(this object thisValue)
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{
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if (thisValue != null) return thisValue.ToString().Trim();
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return "";
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}
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/// <summary>
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///
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/// </summary>
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/// <param name="thisValue"></param>
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/// <returns></returns>
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public static bool IsNotEmptyOrNull(this object thisValue)
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{
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return ObjToString(thisValue) != "" && ObjToString(thisValue) != "undefined" && ObjToString(thisValue) != "null";
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}
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/// <summary>
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///
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/// </summary>
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/// <param name="thisValue"></param>
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/// <param name="errorValue"></param>
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/// <returns></returns>
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public static string ObjToString(this object thisValue, string errorValue)
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{
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if (thisValue != null) return thisValue.ToString().Trim();
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return errorValue;
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}
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public static bool IsNullOrEmpty(this object thisValue) => thisValue == null || thisValue == DBNull.Value || string.IsNullOrWhiteSpace(thisValue.ToString());
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/// <summary>
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///
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/// </summary>
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/// <param name="thisValue"></param>
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/// <returns></returns>
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public static Decimal ObjToDecimal(this object thisValue)
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{
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Decimal reval = 0;
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if (thisValue != null && thisValue != DBNull.Value && decimal.TryParse(thisValue.ToString(), out reval))
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{
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return reval;
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}
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return 0;
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}
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/// <summary>
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///
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/// </summary>
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/// <param name="thisValue"></param>
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/// <param name="errorValue"></param>
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/// <returns></returns>
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public static Decimal ObjToDecimal(this object thisValue, decimal errorValue)
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{
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Decimal reval = 0;
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if (thisValue != null && thisValue != DBNull.Value && decimal.TryParse(thisValue.ToString(), out reval))
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{
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return reval;
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}
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return errorValue;
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}
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/// <summary>
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///
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/// </summary>
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/// <param name="thisValue"></param>
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/// <returns></returns>
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public static DateTime ObjToDate(this object thisValue)
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{
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DateTime reval = DateTime.MinValue;
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if (thisValue != null && thisValue != DBNull.Value && DateTime.TryParse(thisValue.ToString(), out reval))
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{
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reval = Convert.ToDateTime(thisValue);
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}
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return reval;
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}
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/// <summary>
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///
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/// </summary>
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/// <param name="thisValue"></param>
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/// <param name="errorValue"></param>
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/// <returns></returns>
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public static DateTime ObjToDate(this object thisValue, DateTime errorValue)
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{
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DateTime reval = DateTime.MinValue;
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if (thisValue != null && thisValue != DBNull.Value && DateTime.TryParse(thisValue.ToString(), out reval))
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{
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return reval;
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}
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return errorValue;
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}
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/// <summary>
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///
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/// </summary>
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/// <param name="thisValue"></param>
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/// <returns></returns>
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public static bool ObjToBool(this object thisValue)
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{
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bool reval = false;
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if (thisValue != null && thisValue != DBNull.Value && bool.TryParse(thisValue.ToString(), out reval))
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{
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return reval;
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}
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return reval;
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}
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/// <summary>
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/// 获取当前时间的时间戳
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/// </summary>
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/// <param name="thisValue"></param>
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/// <returns></returns>
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public static string DateToTimeStamp(this DateTime thisValue)
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{
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TimeSpan ts = thisValue - new DateTime(1970, 1, 1, 0, 0, 0, 0);
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return Convert.ToInt64(ts.TotalSeconds).ToString();
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}
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public static object ChangeType(this object value, Type type)
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{
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if (value == null && type.IsGenericType) return Activator.CreateInstance(type);
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if (value == null) return null;
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if (type == value.GetType()) return value;
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if (type.IsEnum)
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{
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if (value is string)
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return Enum.Parse(type, value as string);
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else
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return Enum.ToObject(type, value);
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}
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if (!type.IsInterface && type.IsGenericType)
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{
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Type innerType = type.GetGenericArguments()[0];
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object innerValue = ChangeType(value, innerType);
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return Activator.CreateInstance(type, new object[] { innerValue });
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}
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if (value is string && type == typeof(Guid)) return new Guid(value as string);
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if (value is string && type == typeof(Version)) return new Version(value as string);
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if (!(value is IConvertible)) return value;
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return Convert.ChangeType(value, type);
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}
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public static object ChangeTypeList(this object value, Type type)
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{
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if (value == null) return default;
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var gt = typeof(List<>).MakeGenericType(type);
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dynamic lis = Activator.CreateInstance(gt);
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var addMethod = gt.GetMethod("Add");
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string values = value.ToString();
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if (values != null && values.StartsWith("(") && values.EndsWith(")"))
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{
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string[] splits;
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if (values.Contains("\",\""))
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{
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splits = values.Remove(values.Length - 2, 2)
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.Remove(0, 2)
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.Split("\",\"");
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}
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else
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{
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splits = values.Remove(0, 1)
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.Remove(values.Length - 2, 1)
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.Split(",");
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}
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foreach (var split in splits)
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{
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var str = split;
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if (split.StartsWith("\"") && split.EndsWith("\""))
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{
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str = split.Remove(0, 1)
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.Remove(split.Length - 2, 1);
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}
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addMethod.Invoke(lis, new object[] { ChangeType(str, type) });
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}
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}
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return lis;
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}
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public static string ToJson(this object value)
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{
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return JsonConvert.SerializeObject(value);
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}
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public static bool IsInt(this object obj)
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{
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if (obj == null)
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return false;
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bool reslut = Int32.TryParse(obj.ToString(), out int _number);
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return reslut;
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}
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public static bool IsDate(this object str)
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{
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return str.IsDate(out _);
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}
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public static bool IsDate(this object str, out DateTime dateTime)
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{
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dateTime = DateTime.Now;
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if (str == null || str.ToString() == "")
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{
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return false;
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}
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return DateTime.TryParse(str.ToString(), out dateTime);
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}
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/// <summary>
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/// 根据传入格式判断是否为小数
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/// </summary>
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/// <param name="str"></param>
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/// <param name="formatString">18,5</param>
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/// <returns></returns>
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public static bool IsNumber(this string str, string formatString)
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{
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if (string.IsNullOrEmpty(str)) return false;
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return Regex.IsMatch(str, @"^[+-]?\d*[.]?\d*$");
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}
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public static bool IsGuid(this string guid)
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{
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Guid newId;
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return guid.GetGuid(out newId);
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}
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public static bool GetGuid(this string guid, out Guid outId)
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{
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Guid emptyId = Guid.Empty;
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return Guid.TryParse(guid, out outId);
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}
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public static LinqExpressionType GetLinqCondition(this string stringType)
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{
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LinqExpressionType linqExpression;
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switch (stringType)
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{
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case HtmlElementType.Contains:
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linqExpression = LinqExpressionType.In;
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break;
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case HtmlElementType.thanorequal:
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linqExpression = LinqExpressionType.ThanOrEqual;
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break;
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case HtmlElementType.lessorequal:
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linqExpression = LinqExpressionType.LessThanOrEqual;
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break;
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case HtmlElementType.GT:
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linqExpression = LinqExpressionType.GreaterThan;
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break;
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case HtmlElementType.lt:
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linqExpression = LinqExpressionType.LessThan;
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break;
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case HtmlElementType.like:
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linqExpression = LinqExpressionType.Contains;
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break;
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default:
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linqExpression = LinqExpressionType.Equal;
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break;
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}
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return linqExpression;
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}
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}
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}
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