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using iTextSharp.text.pdf.qrcode;
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using iWare_SCADA_Model;
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using System;
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using System.Collections.Generic;
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using System.ComponentModel;
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using System.Reflection;
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namespace iWare_SCADA_BusinessLogical.Utils
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{
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/// <summary>
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/// 枚举类
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/// </summary>
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public class EnumberHelper
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{
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/// <summary>
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/// 获取转换枚举值的字符串
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/// </summary>
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/// <param name="mode"></param>
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/// <returns></returns>
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public static string GetEnumName<T>(int mode) where T : struct
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{
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T t = default(T);
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bool isRight = EnumberHelper.GetEnumObject<T>(mode.ToString(), out t);
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if (isRight)
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{
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return t.ToString();
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}
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return "";
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}
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///// <summary>
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///// 获取转换枚举值的字符串
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///// </summary>
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///// <param name="mode"></param>
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///// <returns></returns>
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//public static T GetEnum<T>(int mode) where T : struct
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//{
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// T t = default(T);
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// bool isRight = EnumberHelper.GetEnumObject<T>(mode.ToString(), out t);
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// if (isRight)
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// {
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// return t;
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// }
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// throw new Exception("转换失败");
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//}
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/// <summary>
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/// 根据枚举值转换枚举
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/// </summary>
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/// <typeparam name="T"></typeparam>
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/// <param name="enumValue"></param>
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/// <returns></returns>
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public static bool GetEnumObject<T>(string enumValue, out T t) where T : struct
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{
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bool right = Enum.TryParse(enumValue.ToString(), out t);
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if (right)
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{
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// 需要通过此方法再次确定是否是枚举实际定义的内容
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if (!Enum.IsDefined(typeof(T), t))
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{
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return false;
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}
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return true;
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}
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else
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{
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return false;
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}
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}
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public static T GetEnumForString<T>(string enumValue) where T : struct
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{
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T t = default(T);
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bool isRight = EnumberHelper.GetEnumObject<T>(enumValue, out t);
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return t;
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}
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/// <summary>
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/// 枚举转集合
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/// </summary>
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/// <typeparam name="T"></typeparam>
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/// <returns></returns>
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public static List<EnumberEntity> EnumToList<T>()
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{
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List<EnumberEntity> list = new List<EnumberEntity>();
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foreach (var e in Enum.GetValues(typeof(T)))
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{
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EnumberEntity m = new EnumberEntity();
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object[] objArr = e.GetType().GetField(e.ToString()).GetCustomAttributes(typeof(DescriptionAttribute), true);
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if (objArr != null && objArr.Length > 0)
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{
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DescriptionAttribute da = objArr[0] as DescriptionAttribute;
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m.Desction = da.Description;
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}
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m.EnumValue = Convert.ToInt32(e);
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m.EnumName = e.ToString();
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list.Add(m);
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}
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return list;
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}
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/// <summary>
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/// 获取枚举的描述属性
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/// </summary>
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/// <param name="enumValue">枚举值</param>
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/// <returns>枚举的描述属性</returns>
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public static string GetEnumDescription(Enum en)
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{
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Type type = en.GetType(); //获取类型
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MemberInfo[] memberInfos = type.GetMember(en.ToString()); //获取成员
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if (memberInfos != null && memberInfos.Length > 0)
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{
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DescriptionAttribute[] attrs = memberInfos[0].GetCustomAttributes(typeof(DescriptionAttribute), false) as DescriptionAttribute[]; //获取描述特性
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if (attrs != null && attrs.Length > 0)
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{
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return attrs[0].Description; //返回当前描述
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}
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}
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return en.ToString();
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}
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}
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}
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