1. package com.rfang.config;
    2. import java.util.*;
    4. import com.rfang.entity.UserEntity;
    6. import java.util.stream.Collectors;
    8. public class Test {
    9.     public static void main(String[] args) {
    10.         List<UserEntity> entities = new ArrayList<>();
    11.         UserEntity entity = new UserEntity();
    12.         entity.setUsername("0089090009");
    13.         entity.setPassword("2345678");
    14.         entity.setStatus(0);
    15.         entity.setMobile("2345678");
    16.         entities.add(entity);
    17.         UserEntity entity3 = new UserEntity();
    18.         entity3.setUsername("12345609");
    19.         entity3.setPassword("23456345678");
    20.         entity3.setStatus(0);
    21.         entity3.setMobile("2345678");
    22.         entities.add(entity3);
    25.         List<UserEntity> userEntities = new ArrayList<>();
    27.         UserEntity entity2 = new UserEntity();
    28.         entity2.setUsername("0089090009");
    29.         entity2.setPassword("2345678");
    30.         entity2.setStatus(0);
    31.         entity2.setMobile("2345678");
    32.         userEntities.add(entity2);
    34.         UserEntity entity6 = new UserEntity();
    35.         entity6.setUsername("222222222");
    36.         entity6.setPassword("2345678");
    37.         entity6.setStatus(0);
    38.         entity6.setMobile("2345678");
    39.         userEntities.add(entity6);
    41.         UserEntity entitye= new UserEntity();
    42.         entitye.setUsername("222222222");
    43.         entitye.setPassword("2345678");
    44.         entitye.setStatus(0);
    45.         entitye.setMobile("2345678");
    46.         userEntities.add(entitye);
    49.         System.out.println("entity："+userEntities.size());
    50.         System.out.println("-----");
    51.         System.out.println("userEntities："+userEntities.size());
    52.         System.out.println("userEntities-set："+userEntities.stream().distinct().collect(Collectors.toList()).size());
    53.         List<UserEntity> cm = cm(entities, userEntities);
    54.         System.out.println("end："+cm.size());
    57.     }
    58.     public static List<UserEntity> cm(List<UserEntity> entities,List<UserEntity> userEntities){
    59.        userEntities = userEntities.stream().distinct().collect(Collectors.toList());
    60.         entities = entities.stream().distinct().collect(Collectors.toList());
    62.         List<UserEntity> list = new ArrayList<>();
    63.         for(UserEntity entity:userEntities){
    64.             entities.forEach(
    65.                     s->{
    66.                         if(s.getPassword().equals(entity.getPassword())&&s.getUsername().equals(entity.getUsername())){
    67.                             list.add(entity);
    68.                         }
    69.                     }
    70.             );
    71.         }
    72.         List<UserEntity> models = userEntities.stream().filter(s -> !list.contains(s)).collect(Collectors.toList());
    74.         ArrayList<UserEntity> info = models.stream().collect(
    75.                 Collectors.collectingAndThen(
    76.                         Collectors.toCollection(() -> new TreeSet<>(Comparator.comparing(user -> user.getUsername() + ";" + user.getPassword()))), ArrayList::new));
    77.         List<UserEntity> classNameList = new ArrayList(new HashSet(info));
    78.         return classNameList;
    79.     }
    81. }