LINQ查询字典<string，object =“”>和List <object> </object> </string，>

Question

我有

1）列表＆lt; objectA＆gt; objectAList

objectA有id，姓名，年龄，身高，体重

2）字典＆lt; string，List＆lt; ObjectB＆gt;＆gt; objectBDictionary;

对象B有id，姓名，地址，电子邮件

现在，我想提取objectAList和objectBDictionary之间的相关条目匹配（id和name）。

Answer 1

我会尝试这样的事情：

// Initially, I would get a list of all objectB's in the lists of objectB that
// are contained in the Dictionary values.

List<ObjectB> objectsB =  objectBDictionary.Select(x=>x.Value)
                                           .SelectMany(y=>y);

// Then, I would make the join.
var result = from a in objectListA
             join b in objectsB
             on new { a.id, a.name } equals { b.id, b.name }
             select new 
             {
                 Id = a.id,
                 Name = a.name,
                 Height = a.height,
                 Weight = a.weight,
                 Address = b.address,
                 Email = b.email
             };