/// <summary> /// 類屬性/字段的值復制工具 /// </summary> public class ClassValueCopier{/// <summary> /// 復制 /// </summary> /// <param name="destination">目標</param> /// <param name="source">來源</param> /// <returns>成功復制的值個數</returns> public static int Copy(object destination, object source){if (destination == null || source == null){return 0;}return Copy(destination, source, source.GetType());}/// <summary> /// 復制 /// </summary> /// <param name="destination">目標</param> /// <param name="source">來源</param> /// <param name="type">復制的屬性字段模板</param> /// <returns>成功復制的值個數</returns> public static int Copy(object destination, object source, Type type){return Copy(destination, source, type, null);}/// <summary> /// 復制 /// </summary> /// <param name="destination">目標</param> /// <param name="source">來源</param> /// <param name="type">復制的屬性字段模板</param> /// <param name="excludeName">排除下列名稱的屬性不要復制</param> /// <returns>成功復制的值個數</returns> public static int Copy(object destination, object source, Type type, IEnumerable<string> excludeName){if (destination == null || source == null){ return 0; }if (excludeName == null){excludeName = new List<string>();}int i = 0;Type desType = destination.GetType();foreach (FieldInfo mi in type.GetFields()){if (excludeName.Contains(mi.Name)){ continue; }try{FieldInfo des = desType.GetField(mi.Name);if (des != null && des.FieldType == mi.FieldType){des.SetValue(destination, mi.GetValue(source)); i++;}}catch{}}foreach (PropertyInfo pi in type.GetProperties()){if (excludeName.Contains(pi.Name)){continue;}try{PropertyInfo des = desType.GetProperty(pi.Name);if (des != null && des.PropertyType == pi.PropertyType && des.CanWrite && pi.CanRead){des.SetValue(destination, pi.GetValue(source, null), null);i++;}}catch{//throw ex; }}return i;}}#region 擴展方法 For .NET 3.0+/// <summary> /// 類屬性/字段的值復制工具 擴展方法 /// </summary> public static class ClassValueCopier2{/// <summary> /// 獲取實體類的屬性名稱 /// </summary> /// <param name="source">實體類</param> /// <returns>屬性名稱列表</returns> public static List<string> GetPropertyNames(this object source){if (source == null){return new List<string>();}return GetPropertyNames(source.GetType());}/// <summary> /// 獲取類類型的屬性名稱（按聲明順序） /// </summary> /// <param name="source">類類型</param> /// <returns>屬性名稱列表</returns> public static List<string> GetPropertyNames(this Type source){return GetPropertyNames(source, true);}/// <summary> /// 獲取類類型的屬性名稱 /// </summary> /// <param name="source">類類型</param> /// <param name="declarationOrder">是否按聲明順序排序</param> /// <returns>屬性名稱列表</returns> public static List<string> GetPropertyNames(this Type source, bool declarationOrder){if (source == null){return new List<string>();}var list = source.GetProperties().AsQueryable();if (declarationOrder){list = list.OrderBy(p => p.MetadataToken);}return list.Select(o => o.Name).ToList(); ;}/// <summary> /// 從源對象賦值到當前對象 /// </summary> /// <param name="destination">當前對象</param> /// <param name="source">源對象</param> /// <returns>成功復制的值個數</returns> public static int CopyValueFrom(this object destination, object source){return CopyValueFrom(destination, source, null);}/// <summary> /// 從源對象賦值到當前對象 /// </summary> /// <param name="destination">當前對象</param> /// <param name="source">源對象</param> /// <param name="excludeName">排除下列名稱的屬性不要復制</param> /// <returns>成功復制的值個數</returns> public static int CopyValueFrom(this object destination, object source, IEnumerable<string> excludeName){if (destination == null || source == null){return 0;}return ClassValueCopier.Copy(destination, source, source.GetType(), excludeName);}/// <summary> /// 從當前對象賦值到目標對象 /// </summary> /// <param name="source">當前對象</param> /// <param name="destination">目標對象</param> /// <returns>成功復制的值個數</returns> public static int CopyValueTo(this object source, object destination){return CopyValueTo(destination, source, null);}/// <summary> /// 從當前對象賦值到目標對象 /// </summary> /// <param name="source">當前對象</param> /// <param name="destination">目標對象</param> /// <param name="excludeName">排除下列名稱的屬性不要復制</param> /// <returns>成功復制的值個數</returns> public static int CopyValueTo(this object source, object destination, IEnumerable<string> excludeName){if (destination == null || source == null){return 0;}return ClassValueCopier.Copy(destination, source, source.GetType(), excludeName);}}#endregion

　　

轉載于:https://www.cnblogs.com/dandan00056/p/11425687.html

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