1 #include 
     
       2 #include 
      
        3 #include 
       
         4 #include 
        
          5 using namespace std; 6 using namespace boost; 7 class Test 8 { 9 public:10     Test(int a){11         age=a;12     }13     int age;14     bool   operator < ( const   Test&   rhs )  const {   //升序排序时必须写的函数15         return   age   <   rhs.age;16     }17     bool   operator > ( const   Test&   rhs )  const {   //降序排序时必须写的函数18         return   age   >   rhs.age;19     }20 };21 int main(void)22 {23     vector
         
           data;24     Test t1(1);25     Test t2(2);26     Test t3(3);27     Test t4(4);28     data.push_back(t1);29     data.push_back(t2);30     data.push_back(t3);31     data.push_back(t4);32     //1. 遍历33     for (vector
          
           ::iterator it=data.begin(); it!=data.end(); it++) {34 cout<
           
            age<< std::endl;35 }36 //2. 排序37 std::sort ( data.begin(), data.end(),greater
            
             () ); //lesss 升序38 //3. boost遍历39 BOOST_FOREACH(const Test& t,data)40 {41 cout<
             
              << std::endl;42 }43 //4. 删除多个元素44 for ( vector
              
               ::iterator it = data.begin(); it != data.end(); ) {45 if ( it->age == 1 || it->age == 3 ) {46 it = data.erase ( it );47 } else {48 it++;49 }50 }51 std::sort ( data.begin(), data.end(),less
               
                () ); //lesss 升序52 BOOST_FOREACH(const Test& t,data)53 {54 cout<
                
                 << std::endl;55 }57 return 0;58 }