1 package com.qcf.po; 2  3 import java.util.HashSet; 4 import java.util.Set; 5  6 public class Depart { 7      8     private Long id; 9     private String name;10     private String destion;11     //用户12     Set<User> users=new HashSet<User>();13     14     //子类部门15     Set<Depart> departs=new HashSet<Depart>();16 17     //父类部门18     private Depart depart;19 20     public Long getId() {21         return id;22     }23 24     public void setId(Long id) {25         this.id = id;26     }27 28     public String getName() {29         return name;30     }31 32     public void setName(String name) {33         this.name = name;34     }35 36     public Set<User> getUsers() {37         return users;38     }39 40     public void setUsers(Set<User> users) {41         this.users = users;42     }43 44     public Set<Depart> getDeparts() {45         return departs;46     }47 48     public void setDeparts(Set<Depart> departs) {49         this.departs = departs;50     }51 52     public Depart getDepart() {53         return depart;54     }55 56     public void setDepart(Depart depart) {57         this.depart = depart;58     }59 60     public String getDestion() {61         return destion;62     }63 64     public void setDestion(String destion) {65         this.destion = destion;66     }67     68     69 70 }

  1 package com.qcf.util;  2   3 import java.util.ArrayList;  4 import java.util.Collection;  5 import java.util.HashSet;  6 import java.util.List;  7 import java.util.Set;  8   9 import org.aspectj.weaver.patterns.ThisOrTargetAnnotationPointcut; 10  11 import com.qcf.po.Depart; 12  13 public class PreDepart { 14  15     /** 16      *    结构 17      *    ┝开发部 18      *        ┝开发一部 19      *            ┝开发一组 20      *            ┝开发二组 21      *        ┝开发二部 22      *            ┝开发三组 23      *            ┝开发四组 24      *    ┝销售部 25      *        ┝销售一部 26      *        ┝销售二部 27      */ 28     public static List<Depart> findDepartTopList(){ 29         //顶级 30         Depart depart1=new Depart(); 31         depart1.setName("开发部"); 32          33         //二级 34         Depart depart1_1=new Depart(); 35         depart1_1.setName("开发一部"); 36          37         //三级 38         Depart depart1_1_1=new Depart(); 39         depart1_1_1.setName("开发一组"); 40         Depart depart1_1_2=new Depart(); 41         depart1_1_2.setName("开发二组"); 42          43         Set<Depart> departs1_1=new HashSet<Depart>(); 44         departs1_1.add(depart1_1_1); 45         departs1_1.add(depart1_1_2); 46         depart1_1.setDeparts(departs1_1); 47          48         Depart depart1_2=new Depart(); 49         depart1_2.setName("开发二部"); 50          51         Depart depart1_2_1=new Depart(); 52         depart1_2_1.setName("开发一组"); 53         Depart depart1_2_2=new Depart(); 54         depart1_2_2.setName("开发二组"); 55          56         Set<Depart> departs1_2=new HashSet<Depart>(); 57         departs1_2.add(depart1_1_1); 58         departs1_2.add(depart1_1_2); 59         depart1_2.setDeparts(departs1_1); 60          61         Set<Depart> departs1=new HashSet<Depart>(); 62         departs1.add(depart1_1); 63         departs1.add(depart1_2); 64          65         depart1.setDeparts(departs1); 66          67         //顶级 68         Depart depart2=new Depart(); 69         depart2.setName("销售部"); 70         //二级 71         Depart depart2_1=new Depart(); 72         depart2_1.setName("销售一部"); 73         Depart depart2_2=new Depart(); 74         depart2_2.setName("销售二部"); 75          76         Set<Depart> departs=new HashSet<Depart>(); 77         departs.add(depart2_1); 78         departs.add(depart2_2); 79          80         depart2.setDeparts(departs); 81          82         List<Depart> list=new ArrayList<Depart>(); 83         list.add(depart1); 84         list.add(depart2); 85         return list; 86     } 87     public static void main(String[] args) { 88         List<Depart> list=findDepartTopList(); 89 //        for (Depart depart : list) { 90 //            getAllDepartName(depart); 91 //        } 92         getAllDepartName_2(list,"="); 93     } 94      95     /**将所有的部门打印出来*/ 96     public static void getAllDepartName(Depart depart){ 97         System.out.println(depart.getName()); 98         for (Depart chirden : depart.getDeparts()) { 99             getAllDepartName(chirden);100         }101     }102     103     /**将所有的部门打印出来*/104     public static void getAllDepartName_2(Collection<Depart> list,String pre){105         for (Depart depart2 : list) {106             System.out.println( pre +depart2.getName());107             getAllDepartName_2(depart2.getDeparts(),"    "+pre);108         }109     }110 }