spring跟着走

最新推荐文章于 2024-10-25 09:30:00 发布

tgystc

最新推荐文章于 2024-10-25 09:30:00 发布

阅读量447

点赞数

分类专栏： java spring 文章标签： spring google exception import class bean

本文链接：https://blog.youkuaiyun.com/tgystc/article/details/1910980

版权

java 同时被 2 个专栏收录

29 篇文章

订阅专栏

spring

4 篇文章

订阅专栏

第一步:加包,依据自己工程需要加入相应包.

第二步:在web.xml里面加入

<listener>
  <listener-class>
   org.springframework.web.context.ContextLoaderListener
  </listener-class>
</listener>

<context-param>
  <param-name>contextConfigLocation</param-name>
  <param-value>classpath*:*.spring.xml</param-value>
</context-param>

第三步:*.spring.xml 如下:

<?xml version="1.0" encoding="UTF-8"?>
<!DOCTYPE beans PUBLIC "-//SPRING/DTD BEAN/EN" "http://www.springframework.org/dtd/spring-beans.dtd">
<beans>

第四步:写wtc.spring.Message和wtc.spring.TrySpring两个类

package wtc.spring;

public class Message {
public void showMessage(){
System.out.println("tgystc");
}
}

package wtc.spring;

public class TrySpring {
Message msg = null;

public Message getMsg() {
return msg;
}

public void setMsg(Message msg) {
this.msg = msg;
}

public void showMessage(){
msg.showMessage();
}
}

第五步:测试

package wtc.spring;

import org.junit.After;
import org.junit.Before;
import org.junit.Test;
import org.springframework.context.ApplicationContext;
import org.springframework.context.support.ClassPathXmlApplicationContext;

public class SpringTest {

@Before
public void setUp() throws Exception {
}

@After
public void tearDown() throws Exception {
}

@Test
public void wtc() throws Exception {
  ApplicationContext context = new ClassPathXmlApplicationContext("*.spring.xml");
  TrySpring ts = (TrySpring) context.getBean("ts");
  ts.showMessage();
}

}

web下采用:

private WebApplicationContext wac = WebApplicationContextUtils.getRequiredWebApplicationContext(servlet.getServletConfig().getServletContext());
TrySpring ts = (TrySpring) wac .getBean("ts");
ts.showMessage();