idea创建Spring项目的方法步骤(图文)

package com.spring.bean;

/**
 * @Author: 007
 * @Date: 2019/1/27/0027 10:20
 * @Version 1.0
 * @Description: 创建测试用的bean
 */
public class Person {
  private String name;    //姓名
  private int age;      //年龄

  public Person() {
  }

  public Person(String name, int age) {
    this.name = name;
    this.age = age;
  }

  public String getName() {
    return name;
  }

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

  public int getAge() {
    return age;
  }

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

  @Override
  public String toString() {
    return "Person{" +
        "name='" + name + '\'' +
        ", age=" + age +
        '}';
  }
}

<?xml version="1.0" encoding="UTF-8"?>
<beans xmlns="http://www.springframework.org/schema/beans"
    xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
    xsi:schemaLocation="http://www.springframework.org/schema/beans http://www.springframework.org/schema/beans/spring-beans.xsd">
    <!--配置bean
    id:给配置的类起个后续在容器中获取用的id
    class:类所在的路径
    -->

  <bean id="Person" class="com.spring.bean.Person"/>
</beans>

package com.spring.test;

import com.spring.bean.Person;
import org.springframework.context.ApplicationContext;
import org.springframework.context.support.ClassPathXmlApplicationContext;

/**
 * @Author: 007
 * @Date: 2019/1/27/0027 10:21
 * @Version 1.0
 * @Description:
 */
public class Test {
  public static void main(String[] args) {
    //查询类路径 加载配置文件
    ApplicationContext applicationContext = new ClassPathXmlApplicationContext("beans.xml");
    //根据id获取bean
    //Spring就是一个大工厂（容器）专门生成bean bean就是对象
    Person person = (Person) applicationContext.getBean("Person");
    //输出获取到的对象
    System.out.println("person = " + person);
  }
}