spring公共属性注入

公共的注入

public class Bean2 {

private Bean3 bean3;

private Bean4 bean4;

public Bean3 getBean3() {
return bean3;
}

public void setBean3(Bean3 bean3) {
this.bean3 = bean3;
}

public Bean4 getBean4() {
return bean4;
}

public void setBean4(Bean4 bean4) {
this.bean4 = bean4;
}

}

public class Bean3 {

private int id;

private String name;

private String password;

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 getPassword() {
return password;
}

public void setPassword(String password) {
this.password = password;
}
}

public class Bean4 {

private int id;

private String name;

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;
}
}

<bean id="beanAbstract" abstract="true" >
<property name="id" value="1000"/>
<property name="name" value="Jack"/>
</bean>

<bean id="bean3" class="com.bjsxt.spring.Bean3" parent="beanAbstract" >
<property name="name" value="Tom"/>
<property name="password" value="123"/>
</bean>

<bean id="bean4" class="com.bjsxt.spring.Bean4" parent="beanAbstract" />

* 通过<bean>标签定义公共的属性，指定abstract=true
* 具有相同属性的类在<bean>标签中指定其parent属性