spring配置详解-属性注入(set方式)

package com.learn.bean;/*** @author Leon.Sun*/
public class User {public User() {System.out.println("User空参构造方法");}private String name;private Integer age;public String getName() {return name;}public void setName(String name) {this.name = name;}public Integer getAge() {return age;}public void setAge(Integer age) {this.age = age;}public void init() {System.out.println("我是初始化方法!");}public void destory() {System.out.println("我是销毁方法!");}@Overridepublic String toString() {return "User [name=" + name + ", age=" + age + "]";}}

package com.learn.c_injection;import org.junit.Test;
import org.springframework.context.ApplicationContext;
import org.springframework.context.support.ClassPathXmlApplicationContext;import com.learn.bean.User;public class Demo {/*** 创建方式1:空参构造*/@Testpublic void fun1() {/*** 1.创建容器*/ApplicationContext ac = new ClassPathXmlApplicationContext("com/learn/c_injection/applicationContext.xml");/*** 2.向容器要"user"对象*/User u = (User)ac.getBean("user");/*** 打印user对象*/System.out.println(u);}}

package com.learn.bean;public class Car {private String name;private String color;public String getName() {return name;}public void setName(String name) {this.name = name;}public String getColor() {return color;}public void setColor(String color) {this.color = color;}@Overridepublic String toString() {return "Car [name=" + name + ", color=" + color + "]";}}

package com.learn.bean;/*** @author Leon.Sun*/
public class User {public User() {System.out.println("User空参构造方法");}private String name;private Integer age;private Car car;public String getName() {return name;}public void setName(String name) {this.name = name;}public Integer getAge() {return age;}public void setAge(Integer age) {this.age = age;}public void init() {System.out.println("我是初始化方法!");}public void destory() {System.out.println("我是销毁方法!");}public Car getCar() {return car;}public void setCar(Car car) {this.car = car;}@Overridepublic String toString() {return "User [name=" + name + ", age=" + age + ", car=" + car + "]";}}

package com.learn.bean;public class Car {private String name;private String color;public String getName() {return name;}public void setName(String name) {this.name = name;}public String getColor() {return color;}public void setColor(String color) {this.color = color;}@Overridepublic String toString() {return "Car [name=" + name + ", color=" + color + "]";}}

package com.learn.c_injection;import org.junit.Test;
import org.springframework.context.ApplicationContext;
import org.springframework.context.support.ClassPathXmlApplicationContext;import com.learn.bean.User;public class Demo {/*** 创建方式1:空参构造*/@Testpublic void fun1() {/*** 1.创建容器*/ApplicationContext ac = new ClassPathXmlApplicationContext("com/learn/c_injection/applicationContext.xml");/*** 2.向容器要"user"对象*/User u = (User)ac.getBean("user");/*** 打印user对象*/System.out.println(u);}}

值类型用value,引用类型用ref,这就是set方法注入,这个是引用类型注入,值类型注入,set方式注入

本文来自互联网用户投稿，文章观点仅代表作者本人，不代表本站立场，不承担相关法律责任。如若转载，请注明出处。 如若内容造成侵权/违法违规/事实不符，请点击【内容举报】进行投诉反馈！