VS关于hash_map使用的一些经常使用构造方法汇总，包含基本类型和结构体，相信够一般模仿使用：

# include
     
      #include
      
       #include
       
        struct order{	char orderNO[20];	char name[10];	int NO;	char type;};typedef order Order;struct cmp{	 enum      {          bucket_size=100,      }; 	size_t operator()(Order order1)	{		return sizeof(order1.orderNO)+sizeof(order1.name)+sizeof(order1.NO)+sizeof(order1.type);	}	bool operator()(Order order1,Order order2)	{		if(strcmp(order1.orderNO,order2.orderNO)>0)			return true;		else if(strcmp(order1.orderNO,order2.orderNO)<0)			return false;		else		{           if(strcmp(order1.name,order2.name)>0)			return true;		else if(strcmp(order1.name,order2.name)<0)			return false;		else{			if(order1.NO>order2.NO)return true;			else if(order1.NO
        
         order2.type)return true;				else return false;			}		}		}	}};struct CharLess : public std::binary_function
         
          {public:    result_type operator()(const first_argument_type& _Left, const second_argument_type& _Right) const    {        return(stricmp(_Left, _Right) < 0 ? true : false)
          ;    }};struct CharLess1 : public std::binary_function
          
           {public: result_type operator()(const first_argument_type& _Left, const second_argument_type& _Right) const { return(stricmp(_Left, _Right) < 0 ? true : false); }};void testHashMap(){ stdext::hash_map
           
             mhasp_map1; for(int i=0;i<9;i++) mhasp_map1.insert(stdext::pair
            
             (i,i+10)); stdext::hash_map
             
              ::iterator mit1=mhasp_map1.begin(); while(mit1!=mhasp_map1.end()) { std::cout<
              
               first<<" "<
               
                second<
                
                  > testhash; testhash["东方不败"]="葵花宝典，技压群雄"; testhash["西门吹雪"]="寒剑三尺，削铁如泥"; testhash["上官玉儿"]="花容月貌，一笑倾城"; stdext::hash_map
                 
                   >::iterator testhashit=testhash.begin(); while(testhashit!=testhash.end()) { std::cout<
                  
                   first<<" "<
                   
                    second.c_str()<
                    
                     first<
                     
                       > testhash1; testhash1["东方不败"]="葵花宝典。技压群雄"; testhash1["西门吹雪"]="寒剑三尺，削铁如泥"; testhash1["上官玉儿"]="花容月貌，一笑倾城"; stdext::hash_map
                      
                        >::iterator testhashit1=testhash1.begin(); while(testhashit1!=testhash1.end()) { std::cout<
                       
                        first<<" "<
                        
                         second<
                         
                          first<
                          
                           first<
                           
                            
                              testhash2; testhash2["东方不败"]="葵花宝典，技压群雄"; testhash2["西门吹雪"]="寒剑三尺，削铁如泥"; testhash2["上官玉儿"]="花容月貌。一笑倾城"; stdext::hash_map
                             
                              ::iterator testhashit2=testhash2.begin(); while(testhashit2!=testhash2.end()) { std::cout<
                              
                               first<<" "<
                               
                                second<
                                
                                 first<
                                 
                                   teststruct; teststruct.insert(std::pair
                                  
                                   (order1,"sr112")); teststruct.insert(std::pair
                                   
                                    (order2,"sr113")); teststruct.insert(std::pair
                                    
                                     (order3,"sr114")); teststruct.insert(std::pair
                                     
                                      (order4,"sr115")); teststruct.insert(std::pair
                                      
                                       (order5,"sr116")); stdext::hash_map
                                       
                                        ::iterator it; it=teststruct.find(order1); std::cout<
                                        
                                         second<
                                         
                                          etchar();}int main(){ testHashMap(); getchar();}
                                         
                                        
                                       
                                      
                                     
                                    
                                   
                                  
                                 
                                
                               
                              
                             
                            
                           
                          
                         
                        
                       
                      
                     
                    
                   
                  
                 
                
               
              
             
            
           
          
         
        
       
      
     

假设有不明白的地方。请參考博客：http://blog.csdn.net/sdhongjun/article/details/4517325，这位大神写的比較具体，细致看看。