multi_index_container是c++ boost库中的一个多索引的容器。因工作中用到了，特来测试试用。

1 #include "stdafx.h" 2 #include "test.h" 3  4 #include 
     
       5 #include 
      
        6 #include 
       
         7 #include 
        
          8 #include 
         
           9 10 using namespace std;11 using namespace boost;12 using namespace boost::multi_index;13 14 struct Book{15     int id;16     int date;17     string name;18     string author;19 20     Book(int id_,21          int date_,22          string name_,23          string author_)24     {25         id = id_;26         date = date_;27         name = name_;28         author = author_;29     }30 };31 32 typedef multi_index_container<33     Book,34     indexed_by<35     ordered_unique
          
           
             >,36 ordered_non_unique
            
             
               >,37 ordered_non_unique
              
               
                 >,38 ordered_non_unique
                
                 
                   >39 > >BookContainer;40 41 typedef BookContainer::nth_index<0>::type Id_Index;42 typedef BookContainer::nth_index<1>::type Date_Index;43 typedef BookContainer::nth_index<2>::type Name_Index;44 typedef BookContainer::nth_index<3>::type Author_Index;45 46 int _tmain(int argc, _TCHAR* argv[])47 {48 BookContainer con;49 con.insert(Book(0, 2011, "math book", "jim"));50 con.insert(Book(2, 2008, "chinese book", "jam"));51 con.insert(Book(1, 2005, "english book", "roland"));52 con.insert(Book(3, 2010, "music book", "rose"));53 54 Id_Index& id_idx = con.get<0>();55 for (auto iter = id_idx.begin(); iter != id_idx.end(); iter++)56 {57 cout << iter->id << " "58 << iter->date << " "59 << iter->name << " "60 << iter->author << endl;61 }62 63 cout << endl;64 65 Date_Index& date_idx = con.get<1>();66 for (auto iter = date_idx.begin(); iter != date_idx.end(); iter++)67 {68 cout << iter->id << " "69 << iter->date << " "70 << iter->name << " "71 << iter->author << endl;72 }73 74 cout << endl;75 76 Name_Index& name_idx = con.get<2>();77 for (auto iter = name_idx.begin(); iter != name_idx.end(); iter++)78 {79 cout << iter->id << " "80 << iter->date << " "81 << iter->name << " "82 << iter->author << endl;83 }84 85 cout << endl;86 87 Author_Index& author_idx = con.get<3>();88 for (auto iter = author_idx.begin(); iter != author_idx.end(); iter++)89 {90 cout << iter->id << " "91 << iter->date << " "92 << iter->name << " "93 << iter->author << endl;94 }95 96 getchar();97 return 0;98 }
                 
                
               
              
             
            
           
          
         
        
       
      
     

输出：

 

可以看到以int型为索引的，输出是按照从小到大来排序的。以string为索引的，是按照字母顺序来输出的。