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oa组织机构(树状结构)

程序员文章站 2022-06-08 10:42:38
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package com.bjsxt.oa.model;

import java.util.Set;

public class Organization {
private int id;
private String name;
private String sn;
private String description;
private Organization parent;
private Set children;

public int getId() {
return id;
}
public void setId(int id) {
this.id = id;
}
public String getName() {
return name;
}
public void setName(String name) {
this.name = name;
}
public String getSn() {
return sn;
}
public void setSn(String sn) {
this.sn = sn;
}
public String getDescription() {
return description;
}
public void setDescription(String description) {
this.description = description;
}
public Organization getParent() {
return parent;
}
public void setParent(Organization parent) {
this.parent = parent;
}
public Set getChildren() {
return children;
}
public void setChildren(Set children) {
this.children = children;
}
}

<?xml version="1.0"?>
<!DOCTYPE hibernate-mapping PUBLIC
"-//Hibernate/Hibernate Mapping DTD 3.0//EN"
"http://hibernate.sourceforge.net/hibernate-mapping-3.0.dtd">
<hibernate-mapping>
<class name="com.bjsxt.oa.model.Organization" table="t_organization">
<id name="id">
<generator class="native"/>
</id>
<property name="name"/>
<property name="sn"/>
<property name="description"/>
<many-to-one name="parent" column="[color=red]pid[/color]"></many-to-one>
<set name="children" lazy="extra" inverse="true">
<key column="[color=red]pid[/color]"></key>
<one-to-many class="com.bjsxt.oa.model.Organization"/>
</set>
</class>
</hibernate-mapping>
many-to-one one-to-many 双向关联
这里的pid要一样
inverse=true 主控表为多的一方



package com.bjsxt.oa.model;

public class Person {
private int id;
private String name;
private String sex;
private String address;
private int age;
private String duty;
private String phone;
private Organization org;

public String getSex() {
return sex;
}
public void setSex(String sex) {
this.sex = sex;
}
public String getAddress() {
return address;
}
public void setAddress(String address) {
this.address = address;
}
public int getAge() {
return age;
}
public void setAge(int age) {
this.age = age;
}
public String getDuty() {
return duty;
}
public void setDuty(String duty) {
this.duty = duty;
}
public String getPhone() {
return phone;
}
public void setPhone(String phone) {
this.phone = phone;
}
public Organization getOrg() {
return org;
}
public void setOrg(Organization org) {
this.org = org;
}
public int getId() {
return id;
}
public void setId(int id) {
this.id = id;
}
public String getName() {
return name;
}
public void setName(String name) {
this.name = name;
}
}




<?xml version="1.0"?>
<!DOCTYPE hibernate-mapping PUBLIC
"-//Hibernate/Hibernate Mapping DTD 3.0//EN"
"http://hibernate.sourceforge.net/hibernate-mapping-3.0.dtd">
<hibernate-mapping>
<class name="com.bjsxt.oa.model.Person" table="t_person">
<id name="id">
<generator class="native"/>
</id>
<property name="name"/>
<property name="sex"/>
<property name="age"/>
<property name="address"/>
<property name="duty"/>
<property name="phone"/>
<many-to-one name="org"></many-to-one>
</class>
</hibernate-mapping>
人员和组织机构的关系是many-to-one单向外键关联
这里的分页是用pagertaglib
在Criteria接口中有两个方法:setFirstResult方法和setMaxResults方法。
其中setFirstResult设置了记录的开始位置(0表示第1条记录),
setMaxResults设置了返回的记录数。
下面是完整代码:
jar包是ssh整合的jar包
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