本人第一次接触spring,在经过一天的努力之后,终于成功配置了spring环境。
使用spring tool suite配置
1.打开eclipse,选择help->Eclipse marketplace,在Search中搜索spring tool suite,点击install,在下图中,由于本人已经安装了,所以右下角显示为installed。
2.新建一个java project,可命名为springdemo,右击new->Folder,取名为lib,在lib文件中导入以下五个jar包,直接复制粘贴就行。选中五个jar包,右键选择Build Path->Add to Build Path
完成后项目如下所示
3.建立一个Package,定义两个java文件,main.java和Person.java文件。 右键src,选择new->other.在Wizards中输入spring,选择第二项Spring Bean Configuration file,并命名为xjc.xml.
4.编写main.java,Person.java,xjc.xml三个文件,代码如下所示,至此就完成了一个简单的demo。
package spring;
import org.springframework.context.ApplicationContext;
import org.springframework.context.support.ClassPathXmlApplicationContext;
public class main {
public static void main(String[] args) {
ApplicationContext aContext=new ClassPathXmlApplicationContext("xjc.xml");
Person person1=(Person) aContext.getBean("person1");
System.out.println(person1);
}
}
package spring;
public class Person {
private String name;
private int 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">
<bean id="person1" class="spring.Person">
<property name="name" value="张三"></property>
<property name="age" value="12"></property>
</bean>
</beans>
进行测试,输出结果为
五月 17, 2018 9:36:32 下午 org.springframework.context.support.AbstractApplicationContext prepareRefresh
信息: Refreshing org.springframework.context.support.ClassPathXmlApplicationContext@4783da3f: startup date [Thu May 17 21:36:32 CST 2018]; root of context hierarchy
五月 17, 2018 9:36:32 下午 org.springframework.beans.factory.xml.XmlBeanDefinitionReader loadBeanDefinitions
信息: Loading XML bean definitions from class path resource [xjc.xml]
Person [name=张三, age=12]