推荐的枚举写法
2014-07-12 10:55:44 访问(2946) 赞(0) 踩(0)
using System;
using System.Collections.Generic;
using System.Text;
using System.Data;
using System.Reflection;
namespace SlowX.WebKnowledge.Enums
{
/// <summary>
/// 用户角色
/// </summary>
[Serializable]
public class UserRole
{
#region 枚举 显示表达式
/// <summary>
/// 显示表达式
/// </summary>
public enum EmShowExpress
{
/// <summary>
/// 默认
/// </summary>
默认 = 1
}
#endregion 枚举 显示表达式
#region Enum
/// <summary>
/// 用户角色
/// </summary>
public enum EmUserRole
{
/// <summary>
/// 管理员
/// </summary>
管理员 = 1,
/// <summary>
/// 总经理
/// </summary>
总经理 = 2,
/// <summary>
/// 部门领导
/// </summary>
部门领导 = 4,
/// <summary>
/// 普通职员
/// </summary>
普通职员 = 8
}
#endregion Enum
/// <summary>
/// 构造函数
/// </summary>
public UserRole()
{
}
/// <summary>
/// 数组
/// </summary>
public readonly static EmUserRole[] EmArray = new EmUserRole[]
{
EmUserRole.管理员,
EmUserRole.总经理,
EmUserRole.部门领导,
EmUserRole.普通职员
};
/// <summary>
/// typeof(UserRole) 当前UserRole的type值
/// </summary>
public readonly static Type curType = typeof(UserRole);
/// <summary>
/// typeof(UserRole).FullName
/// </summary>
public readonly static string curTypeFullName = curType.FullName;
/// <summary>
/// typeof(EmUserRole) 当前枚举EmUserRole的type值
/// </summary>
public readonly static Type curEnumType = typeof(EmUserRole);
/// <summary>
/// typeof(EmUserRole).FullName
/// </summary>
public readonly static string curEnumTypeFullName = curEnumType.FullName;
/// <summary>
/// 默认的枚举值
/// </summary>
public static readonly EmUserRole defaultEm = EmUserRole.管理员;
/// <summary>
/// 默认的枚举值
/// </summary>
private static Dictionary<EmShowExpress, DataTable> dictionaryDataTableValue = CreateDataTable();
/// <summary>
/// 获得Text的数组
/// </summary>
/// <returns></returns>
public static string[] GetTextArray()
{
EmUserRole[] emA = EmArray;
int iLen = emA.Length;
string[] theResult = new string[iLen];
for (int i = 0; i < iLen; ++i)
{
theResult[i] = emA[i].ToString();
}
return theResult;
}
/// <summary>
/// 获得显示名称
/// </summary>
/// <param name="em"></param>
/// <returns></returns>
public static string GetShowName
(
EmUserRole em
)
{
return em.ToString();
}
/// <summary>
///
/// </summary>
/// <param name="em"></param>
/// <param name="curEmShowExpress"></param>
/// <returns></returns>
public static string GetShowName
(
EmUserRole em,
EmShowExpress curEmShowExpress
)
{
return em.ToString();
}
/// <summary>
/// 创建数据表
/// </summary>
/// <returns></returns>
private static Dictionary<EmShowExpress, DataTable> CreateDataTable()
{
Dictionary<EmShowExpress, DataTable> theResult = new Dictionary<EmShowExpress, DataTable>();
theResult.Add(EmShowExpress.默认, CreateDataTableByEmShowExpress(EmShowExpress.默认));
return theResult;
}
/// <summary>
/// 创建数据表
/// </summary>
/// <param name="curEmShowExpress"></param>
/// <returns></returns>
private static DataTable CreateDataTableByEmShowExpress(EmShowExpress curEmShowExpress)
{
DataTable dt = new DataTable();
dt.Columns.Add("ID", typeof(int));
dt.Columns.Add("TheName");
EmUserRole[] emA = EmArray;
DataRow dr = null;
foreach (EmUserRole em in emA)
{
dr = dt.NewRow();
dt.Rows.Add(dr);
dr["ID"] = (int)em;
dr["TheName"] = GetShowName(em, curEmShowExpress);
}
return dt;
}
/// <summary>
/// 获得DataTable
/// </summary>
/// <returns></returns>
public static DataTable ReturnDataTable()
{
return dictionaryDataTableValue[EmShowExpress.默认];
}
/// <summary>
/// 获得DataTable
/// </summary>
/// <returns></returns>
public static DataTable GetDataTable()
{
return dictionaryDataTableValue[EmShowExpress.默认];
}
/// <summary>
/// 获得DataTable
/// </summary>
/// <param name="curEmShowExpress"></param>
/// <returns></returns>
public static DataTable GetDataTable(EmShowExpress curEmShowExpress)
{
return dictionaryDataTableValue[curEmShowExpress];
}
/// <summary>
/// 获得数据集
/// </summary>
/// <param name="fromCache"></param>
/// <returns></returns>
public static DataTable GetDataTable(bool fromCache)
{
if (fromCache)
return dictionaryDataTableValue[EmShowExpress.默认];
else
return CreateDataTableByEmShowExpress(EmShowExpress.默认);
}
/// <summary>
/// 获得数据集
/// </summary>
/// <param name="curEmShowExpress"></param>
/// <param name="fromCache"></param>
/// <returns></returns>
public static DataTable GetDataTable(EmShowExpress curEmShowExpress,bool fromCache)
{
if (fromCache)
return dictionaryDataTableValue[curEmShowExpress];
else
return CreateDataTableByEmShowExpress(curEmShowExpress);
}
/// <summary>
/// 获得枚举
/// </summary>
/// <param name="theValue"></param>
/// <returns></returns>
public static EmUserRole GetEmByInt(int theValue)
{
EmUserRole[] emA = EmArray;
foreach (EmUserRole em in emA)
{
if (theValue == (int)em)
return em;
}
MethodBase methodBaseValue = MethodBase.GetCurrentMethod();
throw new Exception("Method :==> " + methodBaseValue.ReflectedType.FullName + " ~ " + methodBaseValue.ToString() + " Exception :==> " + "theValue = " + theValue.ToString() + "没有找到对应的枚举值。");
}
/// <summary>
/// 获得枚举
/// </summary>
/// <param name="theValue"></param>
/// <returns></returns>
public static EmUserRole GetEmByLong(long theValue)
{
EmUserRole[] emA = EmArray;
foreach (EmUserRole em in emA)
{
if (theValue == (long)em)
return em;
}
MethodBase methodBaseValue = MethodBase.GetCurrentMethod();
throw new Exception("Method :==> " + methodBaseValue.ReflectedType.FullName + " ~ " + methodBaseValue.ToString() + " Exception :==> " + "theValue = " + theValue.ToString() + "没有找到对应的枚举值。");
}
/// <summary>
/// 获得枚举
/// </summary>
/// <param name="theValue"></param>
/// <returns></returns>
public static EmUserRole GetEmByString(string theValue)
{
EmUserRole[] emA = EmArray;
foreach (EmUserRole em in emA)
{
if (theValue == ((int)em).ToString())
return em;
}
MethodBase methodBaseValue = MethodBase.GetCurrentMethod();
throw new Exception("Method :==> " + methodBaseValue.ReflectedType.FullName + " ~ " + methodBaseValue.ToString() + " Exception :==> " + "theValue = " + theValue.ToString() + "没有找到对应的枚举值。");
}
/// <summary>
/// 获得枚举
/// </summary>
/// <param name="theValue"></param>
/// <returns></returns>
public static EmUserRole GetEmByObj(object theValue)
{
MethodBase methodBaseValue = null;
if (theValue == null)
{
methodBaseValue = MethodBase.GetCurrentMethod();
throw new Exception("Method :==> " + methodBaseValue.ReflectedType.FullName + " ~ " + methodBaseValue.ToString() + " Exception :==> " + "theValue为null，没有找到对应的枚举值。");
}
if (theValue is EmUserRole)
return (EmUserRole)theValue;
string strValue = theValue.ToString();
if (strValue.Length == 0)
{
methodBaseValue = MethodBase.GetCurrentMethod();
throw new Exception("Method :==> " + methodBaseValue.ReflectedType.FullName + " ~ " + methodBaseValue.ToString() + " Exception :==> " + "theValue为空，没有找到对应的枚举值。");
}
EmUserRole[] emA = EmArray;
foreach (EmUserRole em in emA)
{
if (strValue == ((int)em).ToString())
return em;
}
methodBaseValue = MethodBase.GetCurrentMethod();
throw new Exception("Method :==> " + methodBaseValue.ReflectedType.FullName + " ~ " + methodBaseValue.ToString() + " Exception :==> " + "theValue = " + strValue.ToString() + "没有找到对应的枚举值。");
}
/// <summary>
/// 获得枚举
/// </summary>
/// <param name="theValue"></param>
/// <returns></returns>
public static EmUserRole GetDefaultEmByInt(int theValue)
{
EmUserRole[] emA = EmArray;
foreach (EmUserRole em in emA)
{
if (theValue == (int)em)
return em;
}
return defaultEm;
}
/// <summary>
/// 获得枚举
/// </summary>
/// <param name="theValue"></param>
/// <returns></returns>
public static EmUserRole GetDefaultEmByLong(long theValue)
{
EmUserRole[] emA = EmArray;
foreach (EmUserRole em in emA)
{
if (theValue == (long)em)
return em;
}
return defaultEm;
}
/// <summary>
/// 获得枚举
/// </summary>
/// <param name="theValue"></param>
/// <returns></returns>
public static EmUserRole GetDefaultEmByString(string theValue)
{
EmUserRole[] emA = EmArray;
foreach (EmUserRole em in emA)
{
if (theValue == ((int)em).ToString())
return em;
}
return defaultEm;
}
/// <summary>
/// 获得枚举
/// </summary>
/// <param name="theValue"></param>
/// <returns></returns>
public static EmUserRole GetDefaultEmByObj(object theValue)
{
if (theValue == null)
return defaultEm;
if (theValue is EmUserRole)
return (EmUserRole)theValue;
string strValue = theValue.ToString();
if (strValue.Length == 0)
return defaultEm;
EmUserRole[] emA = EmArray;
foreach (EmUserRole em in emA)
{
if (strValue == ((int)em).ToString())
return em;
}
return defaultEm;
}
/// <summary>
/// 获得枚举
/// </summary>
/// <param name="theValue"></param>
/// <param name="defaultValue"></param>
/// <returns></returns>
public static EmUserRole GetDefaultEmByInt(int theValue, EmUserRole defaultValue)
{
EmUserRole[] emA = EmArray;
foreach (EmUserRole em in emA)
{
if (theValue == (int)em)
return em;
}
return defaultValue;
}
/// <summary>
/// 获得枚举
/// </summary>
/// <param name="theValue"></param>
/// <param name="defaultValue"></param>
/// <returns></returns>
public static EmUserRole GetDefaultEmByLong(long theValue, EmUserRole defaultValue)
{
EmUserRole[] emA = EmArray;
foreach (EmUserRole em in emA)
{
if (theValue == (long)em)
return em;
}
return defaultValue;
}
/// <summary>
/// 获得枚举
/// </summary>
/// <param name="theValue"></param>
/// <param name="defaultValue"></param>
/// <returns></returns>
public static EmUserRole GetDefaultEmByString(string theValue, EmUserRole defaultValue)
{
EmUserRole[] emA = EmArray;
foreach (EmUserRole em in emA)
{
if (theValue == ((int)em).ToString())
return em;
}
return defaultValue;
}
/// <summary>
/// 获得枚举
/// </summary>
/// <param name="theValue"></param>
/// <param name="defaultValue"></param>
/// <returns></returns>
public static EmUserRole GetDefaultEmByObj(object theValue, EmUserRole defaultValue)
{
if (theValue == null)
return defaultValue;
string strValue = theValue.ToString();
if (strValue.Length == 0)
return defaultValue;
EmUserRole[] emA = EmArray;
foreach (EmUserRole em in emA)
{
if (strValue == ((int)em).ToString())
return em;
}
return defaultValue;
}
/// <summary>
/// 获得 Text 获得 EmUserRole
/// </summary>
/// <param name="theText"></param>
/// <returns></returns>
public static EmUserRole GetEmByText(string theText)
{
MethodBase methodBaseValue = null;
if (theText == null)
{
methodBaseValue = MethodBase.GetCurrentMethod();
throw new Exception("Method :==> " + methodBaseValue.ReflectedType.FullName + " ~ " + methodBaseValue.ToString() + " Exception :==> " + "theText为null，没有找到对应的枚举值。");
}
if (theText.Length == 0)
{
methodBaseValue = MethodBase.GetCurrentMethod();
throw new Exception("Method :==> " + methodBaseValue.ReflectedType.FullName + " ~ " + methodBaseValue.ToString() + " Exception :==> " + "theText为空，没有找到对应的枚举值。");
}
EmUserRole[] emA = EmArray;
foreach (EmUserRole em in emA)
{
if (theText == (em).ToString())
return em;
}
methodBaseValue = MethodBase.GetCurrentMethod();
throw new Exception("Method :==> " + methodBaseValue.ReflectedType.FullName + " ~ " + methodBaseValue.ToString() + " Exception :==> " + "theText = " + theText.ToString() + "没有找到对应的枚举值。");
}
/// <summary>
/// 获得 Text 获得 EmUserRole
/// </summary>
/// <param name="theText"></param>
/// <param name="defaultValue"></param>
/// <returns></returns>
public static EmUserRole GetDefaultEmByText(string theText, EmUserRole defaultValue)
{
if (theText == null)
return defaultValue;
if (theText.Length == 0)
return defaultValue;
EmUserRole[] emA = EmArray;
foreach (EmUserRole em in emA)
{
if (theText == (em).ToString())
return em;
}
return defaultValue;
}
/// <summary>
/// 获得枚举
/// </summary>
/// <param name="theValue"></param>
/// <returns></returns>
public static EmUserRole GetEmByAllObj(object theValue)
{
MethodBase methodBaseValue = null;
if (theValue == null)
{
methodBaseValue = MethodBase.GetCurrentMethod();
throw new Exception("Method :==> " + methodBaseValue.ReflectedType.FullName + " ~ " + methodBaseValue.ToString() + " Exception :==> " + "theValue为null，没有找到对应的枚举值。");
}
if (theValue is EmUserRole)
return (EmUserRole)theValue;
string strValue = theValue.ToString();
if (strValue.Length == 0)
{
methodBaseValue = MethodBase.GetCurrentMethod();
throw new Exception("Method :==> " + methodBaseValue.ReflectedType.FullName + " ~ " + methodBaseValue.ToString() + " Exception :==> " + "theValue为空，没有找到对应的枚举值。");
}
EmUserRole[] emA = EmArray;
foreach (EmUserRole em in emA)
{
if (strValue == ((int)em).ToString() || strValue == em.ToString())
return em;
}
methodBaseValue = MethodBase.GetCurrentMethod();
throw new Exception("Method :==> " + methodBaseValue.ReflectedType.FullName + " ~ " + methodBaseValue.ToString() + " Exception :==> " + "theValue = " + strValue.ToString() + "没有找到对应的枚举值。");
}
/// <summary>
/// 获得枚举
/// </summary>
/// <param name="theValue"></param>
/// <param name="defaultValue"></param>
/// <returns></returns>
public static EmUserRole GetDefaultEmByAllObj(object theValue, EmUserRole defaultValue)
{
if (theValue == null)
return defaultValue;
string strValue = theValue.ToString();
if (strValue.Length == 0)
return defaultValue;
EmUserRole[] emA = EmArray;
foreach (EmUserRole em in emA)
{
if (strValue == ((int)em).ToString() || strValue == em.ToString())
return em;
}
return defaultValue;
}
}
}
枚举代码生成工具定义推荐枚举的写法，用于后续的枚举操作示例，和上面的枚举样例做比对。
标签：
枚举 
枚举样例 定义枚举 例子
上一条：
下一条：
相关评论
发表评论