spring--Autowired setter 方法

在Spring中，可以使用 @Autowired 注解通过setter方法，构造函数或字段自动装配Bean。此外，它可以在一个特定的bean属性自动装配。

注 @Autowired注解是通过匹配数据类型自动装配Bean。

 

package Autowired;

/**
 * Created by luozhitao on 2017/8/9.
 */
public class person1 {
    public String getName() {
        return name;
    }

    public void setName(String name) {
        this.name = name;
    }

    public String getAdress() {
        return adress;
    }

    public void setAdress(String adress) {
        this.adress = adress;
    }

    public int getAge() {
        return age;
    }

    public void setAge(int age) {
        this.age = age;
    }

    private String name;
    private String adress;
    private int age;

}

package Autowired;

import org.springframework.beans.factory.annotation.Autowired;

/**
 * Created by luozhitao on 2017/8/9.
 */
public class Customer1 {

    public int getType() {
        return type;
    }

    public void setType(int type) {
        this.type = type;
    }

    public String getAction() {
        return action;
    }

    public void setAction(String action) {
        this.action = action;
    }

    public person1 getPerson() {
        return person;
    }

    @Autowired
    public void setPerson(person1 person) {
        this.person = person;
    }

    private int type;
    private String action;
    private person1 person;

}

<beans xmlns="http://www.springframework.org/schema/beans"
       xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
       xmlns:context="http://www.springframework.org/schema/context"
       xsi:schemaLocation="http://www.springframework.org/schema/beans
    http://www.springframework.org/schema/beans/spring-beans-2.5.xsd
    http://www.springframework.org/schema/context
    http://www.springframework.org/schema/context/spring-context-2.5.xsd">

    <context:annotation-config />

    <bean id="person" class="Autowired.person1">
        <property name="name" value="猫儿"/>
        <property name="adress" value="beijing"/>
        <property name="age" value="1"/>
    </bean>

    <bean id="customer" class="Autowired.Customer1">
        <property name="type" value="2"/>
        <property name="action" value="buy"/>
    </bean>
</beans>

通过构造方法注入：

package Autowired;

import org.springframework.beans.factory.annotation.Autowired;

/**
 * Created by luozhitao on 2017/8/9.
 */
public class Customer2 {
    public int getType() {
        return type;
    }

    public void setType(int type) {
        this.type = type;
    }

    public String getAction() {
        return action;
    }

    public void setAction(String action) {
        this.action = action;
    }

    public person1 getPerson() {
        return person;
    }

    public void setPerson(person1 person) {
        this.person = person;
    }

    private int type;
    private String action;
    private person1 person;

    @Autowired
    public Customer2(person1 person){

        this.person=person;
    }

}

通过字段进行注入：

package Autowired;

import org.springframework.beans.factory.annotation.Autowired;

/**
 * Created by luozhitao on 2017/8/9.
 */
public class Customer3 {

    public int getType() {
        return type;
    }

    public void setType(int type) {
        this.type = type;
    }

    public String getAction() {
        return action;
    }

    public void setAction(String action) {
        this.action = action;
    }

    public person1 getPerson() {
        return person;
    }

    private int type;
    private String action;
    @Autowired
    private person1 person;

}