Question

C# Dictionary 由一个字典复制到另一个字典

字典a ：Dictionary<striing,User> a
字典b：我要将a的字典数据复制到新的字典b中，新字典中倒数第2条插如2条数据，得到新的字典b。

Answer 1

dictionary<string,user> b=new dictionary<string,user>(a);
b.add("字段1","数据1");
b.add("字段2","数据2");

Answer 2

Dictionary<striing,User> b = new Dictionary<striing,User>(a);