作者:乌鸦_Hrt | 来源:互联网 | 2023-09-15 17:17
篇首语:本文由编程笔记#小编为大家整理,主要介绍了Spring依赖注入的Setter注入(通过get和set方法注入)相关的知识,希望对你有一定的参考价值。
Spring依赖注入的Setter注入(通过get和set方法注入)
导入必要的jar包(Spring.jar和commonslogging.jar)
在src目录下建立applicationContext.xml (Spring 管理 bean的配置文件)
xml version="1.0" encoding="UTF-8"?>
DOCTYPE beans PUBLIC "-//SPEING//DTD BEAN//EN" "http://www.springframework.org/dtd/spring-beans.dtd">
<beans>
<bean id="user" class = "com.cc8w.entity.User">
<property name="names">
<value>1111value>
property>
<property name="ages">
<value>30value>
property>
bean>
beans>
2.Setter注入
package com.cc8w;
import org.springframework.context.ApplicationContext;
import org.springframework.context.support.ClassPathXmlApplicationContext;
import com.cc8w.entity.User;
public class Test1 {
public static void main(String[] args) {
// TODO Auto-generated method stub
ApplicationContext cOntext= new ClassPathXmlApplicationContext("applicationContext.xml");
User user = (User)context.getBean("user");
System.out.println(user);
}
}
java的数据类型
package com.cc8w.entity;
public class User {
private String names;
private int ages;
public String getNames() {
return names;
}
public void setNames(String names) {
this.names = names;
}
public int getAges() {
return ages;
}
public void setAges(int ages) {
this.ages = ages;
}
}
结果: