【.Net 6.0--通用帮助类--ConvertHelper】

前言

类型转换帮助类，包含下表中的方法：

方法名	方法解释
ObjToInt	object转int
ObjToMoney	object转double
ObjToString	object转string
ObjToDecimal	object转decimal
ObjToDate	object转datetime
ObjToDateSplitYMD	object转datetime（yyyy-MM-dd）
ObjToDateSplitYMDHMS	object转datetime（yyyy-MM-dd HH:mm:ss）
ObjToDateY	object转datetime（yyyy）
ObjToDateYMD	object转datetime（yyyyMMdd）
ObjToDateYMDH	object转datetime（yyyyMMddHH）
ObjToDateYMDHMS	object转datetime（yyyyMMddHHmmss）
ObjToBool	object转bool
ObjToChar	object转char
ObjToStringBySplit	object转list
ObjToBase64String	object转base64 string
ObjToStringFromBase64	base64 string转object

---

代码示例

using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;namespace VW.API.Common.Utils
{/// <summary>/// ConvertHelper 的摘要说明：格式转换帮助类/// </summary>public static class ConvertHelper{/// <summary>/// obj->int/// </summary>/// <param name="thisValue"></param>/// <returns>int</returns>public static int ObjToInt(this object thisValue){try{if (thisValue == null){return 0;}if (thisValue != null && thisValue != DBNull.Value && int.TryParse(thisValue.ToString(), out int reval)){return reval;}return 0;}catch (Exception) { throw; }}/// <summary>/// obj->double/// </summary>/// <param name="thisValue"></param>/// <returns>double</returns>public static double ObjToMoney(this object thisValue){try{if (thisValue == null){return 0;}if (thisValue != null && thisValue != DBNull.Value && double.TryParse(thisValue.ToString(), out double reval)){return reval;}return 0;}catch (Exception) { throw; }}/// <summary>/// obj->string/// </summary>/// <param name="thisValue"></param>/// <returns>string</returns>public static string ObjToString(this object thisValue){try{if (thisValue == null){return "";}if (thisValue != null)return thisValue.ToString();return "";}catch (Exception) { throw; }}/// <summary>/// obj->decimal/// </summary>/// <param name="thisValue"></param>/// <returns>decimal</returns>public static decimal ObjToDecimal(this object thisValue){try{if (thisValue == null){return 0;}if (thisValue != null && thisValue != DBNull.Value && decimal.TryParse(thisValue.ToString(), out decimal reval)){return reval;}return 0;}catch (Exception) { throw; }}/// <summary>/// obj->datetime2/// </summary>/// <param name="thisValue"></param>/// <returns>DateTime</returns>public static DateTime ObjToDate2(this object thisValue){try{return thisValue.ToString().Length switch{//年4 => new DateTime(thisValue.ObjToInt(), 1, 1, 0, 0, 0),//月6 => new DateTime(thisValue.ToString().Substring(0, 4).ObjToInt(), thisValue.ToString().Substring(4, 2).ObjToInt(), 1, 0, 0, 0),//日8 => new DateTime(thisValue.ToString().Substring(0, 4).ObjToInt(), thisValue.ToString().Substring(4, 2).ObjToInt(), thisValue.ToString().Substring(6, 2).ObjToInt(), 0, 0, 0),//时10 => new DateTime(thisValue.ToString().Substring(0, 4).ObjToInt(), thisValue.ToString().Substring(4, 2).ObjToInt(), thisValue.ToString().Substring(6, 2).ObjToInt(), thisValue.ToString().Substring(8, 2).ObjToInt(), 0, 0),//分钟12 => new DateTime(thisValue.ToString().Substring(0, 4).ObjToInt(), thisValue.ToString().Substring(4, 2).ObjToInt(), thisValue.ToString().Substring(6, 2).ObjToInt(), thisValue.ToString().Substring(8, 2).ObjToInt(), thisValue.ToString().Substring(10, 2).ObjToInt(), 0),_ => DateTime.MinValue,};}catch (Exception) { throw; }}/// <summary>/// obj->datetime/// </summary>/// <param name="thisValue"></param>/// <returns>DateTime</returns>public static DateTime ObjToDate(this object thisValue){try{DateTime reval = DateTime.MinValue;if (thisValue == null){return reval;}if (thisValue != null && thisValue != DBNull.Value && DateTime.TryParse(thisValue.ToString(), out reval)){reval = Convert.ToDateTime(thisValue);}return reval;}catch (Exception) { throw; }}/// <summary>/// obj->datetime（SplitYMD）/// </summary>/// <param name="thisValue"></param>/// <returns>DateTime</returns>public static string ObjToDateSplitYMD(this object thisValue){try{if (thisValue == null){return "";}return ObjToDate(thisValue).ToString("yyyy-MM-dd");}catch (Exception) { throw; }}/// <summary>/// obj->datetime（SplitYMDHMS）/// </summary>/// <param name="thisValue"></param>/// <returns>DateTime</returns>public static string ObjToDateSplitYMDHMS(this object thisValue){try{if (thisValue == null){return "";}return ObjToDate(thisValue).ToString("yyyy-MM-dd HH:mm:ss");}catch (Exception) { throw; }}/// <summary>/// obj->datetime（Y）/// </summary>/// <param name="thisValue"></param>/// <returns>DateTime</returns>public static string ObjToDateY(this object thisValue){try{if (thisValue == null){return "";}return ObjToDate(thisValue).ToString("yyyy");}catch (Exception) { throw; }}/// <summary>/// obj->datetime（YMD）/// </summary>/// <param name="thisValue"></param>/// <returns>DateTime</returns>public static string ObjToDateYMD(this object thisValue){try{if (thisValue == null){return "";}return ObjToDate(thisValue).ToString("yyyyMMdd");}catch (Exception) { throw; }}/// <summary>/// obj->datetime（YMDH）/// </summary>/// <param name="thisValue"></param>/// <returns>DateTime</returns>public static string ObjToDateYMDH(this object thisValue){try{if (thisValue == null){return "";}return ObjToDate(thisValue).ToString("yyyyMMddHH");}catch (Exception) { throw; }}/// <summary>/// obj->datetime（YMDHMS）/// </summary>/// <param name="thisValue"></param>/// <returns>DateTime</returns>public static string ObjToDateYMDHMS(this object thisValue){try{if (thisValue == null){return "";}return ObjToDate(thisValue).ToString("yyyyMMddHHmmss");}catch (Exception) { throw; }}/// <summary>/// obj->bool/// </summary>/// <param name="thisValue"></param>/// <returns>bool</returns>public static bool ObjToBool(this object thisValue){try{if (thisValue == null){return false;}if (thisValue != null && thisValue != DBNull.Value && bool.TryParse(thisValue.ToString(), out bool reval)){return reval;}return false;}catch (Exception) { throw; }}/// <summary>/// obj->char/// </summary>/// <param name="thisValue"></param>/// <returns>char</returns>public static char ObjToChar(this object thisValue){try{if (thisValue == null){return ' ';}if (thisValue != null && thisValue != DBNull.Value && char.TryParse(thisValue.ToString(), out char reval)){return reval;}return ' ';}catch (Exception) { throw; }}/// <summary>/// obj->List<string>/// </summary>/// <param name="thisValue"></param>/// <param name="split"></param>/// <returns>List<string></returns>public static List<string> ObjToStringBySplit(this object thisValue, char[] split = null){try{if (thisValue == null){return new List<string>();}if (split == null || split.Length == 0){split = new char[] { '；', ';', ',', '，', ' ' };}return thisValue.ToString().Split(split).ToList();}catch (Exception) { throw; }}/// <summary>/// obj->string<string>/// </summary>/// <param name="thisValue"></param>/// <param name="split"></param>/// <returns>List<string></returns>public static string ObjToStringByReplace(this object thisValue, string[] replace = null){try{if (thisValue == null){return "";}//-()&"*%（）if (replace == null || replace.Length == 0){replace = new string[] { "-", "(", ")", "&", "\"", "*", "%", "（", "）", "_" };}string returnValue = thisValue.ToString();foreach (string r in replace){returnValue = returnValue.Replace(r, $"\\{r}");}return returnValue;}catch (Exception) { throw; }}/// <summary>/// obj->base64string/// </summary>/// <param name="thisValue"></param>/// <returns>string</returns>public static string ObjToBase64String(this object thisValue){try{if (thisValue == null){return "";}if (thisValue != null)return Convert.ToBase64String(Encoding.UTF8.GetBytes($"{thisValue}"));return "";}catch (Exception) { throw; }}/// <summary>/// obj->string/// </summary>/// <param name="thisValue"></param>/// <returns>string</returns>public static string ObjToStringFromBase64(this object thisValue){try{if (thisValue == null){return "";}if (thisValue != null)return System.Text.Encoding.UTF8.GetString(Convert.FromBase64String(thisValue.ToString()));return "";}catch (Exception) { throw; }}}
}