C#利用反射实现两个类的对象之间相同属性的值的复制

 1  /// <summary>
 2         /// 传入类型B的对象b，将b与a相同名称的值进行赋值给创建的a中
 3         /// </summary>
 4         /// <typeparam name="A">类型A</typeparam>
 5         /// <typeparam name="B">类型B</typeparam>
 6         /// <param name="b">类型为B的参数b</param>
 7         /// <returns>拷贝b中相同属性的值的a</returns>
 8         public static A Mapper<A, B>(B b)
 9         {
10             A a = Activator.CreateInstance<A>();
11             try
12             {
13                 Type Typeb = b.GetType();//获得类型  
14                 Type Typea = typeof(A);
15                 foreach (PropertyInfo sp in Typeb.GetProperties())//获得类型的属性字段  
16                 {
17                     foreach (PropertyInfo ap in Typea.GetProperties())
18                     {
19                         if (ap.Name == sp.Name)//判断属性名是否相同  
20                         {
21                             ap.SetValue(a, sp.GetValue(b, null), null);//获得b对象属性的值复制给a对象的属性  
22                         }
23                     }
24                 }
25             }
26             catch (Exception ex)
27             {
28                 throw ex;
29             }
30             return a;
31         }

 1 /// <summary>
 2         /// 传入类型A的对象a,类型B的对象b，将b和a相同名称的值进行赋值给a
 3         /// </summary>
 4         /// <typeparam name="A"></typeparam>
 5         /// <typeparam name="B"></typeparam>
 6         /// <param name="a"></param>
 7         /// <param name="b"></param>
 8         public static void Mapper<A, B>(B b,ref A a)
 9         {
10             try
11             {
12                 Type Typeb = b.GetType();//获得类型  
13                 Type Typea = typeof(A);
14                 foreach (PropertyInfo sp in Typeb.GetProperties())//获得类型的属性字段  
15                 {
16                     foreach (PropertyInfo ap in Typea.GetProperties())
17                     {
18                         if (ap.Name == sp.Name)//判断属性名是否相同  
19                         {
20                             ap.SetValue(a, sp.GetValue(b, null), null);//获得b对象属性的值复制给a对象的属性  
21                         }
22                     }
23                 }
24             }
25             catch (Exception ex)
26             {
27                 throw ex;
28             }
29         }