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¡¡¡¡£¨Ò»£©Ð½¨Ò»¸öjava bean
package chb.demo.vo;
public class HelloBean {
private String helloWorld;
public String getHelloWorld() {
return helloWorld;
}
public void setHelloWorld(String helloWorld) {
this.helloWorld = helloWorld;
}
}
¡¡¡¡£¨¶þ£©¹¹ÔìÒ»¸öÅäÖÃÎļþ
<?xml version="1.0" encoding="UTF-8"?>
<!DOCTYPE beans PUBLIC "-//SPRING//DTD BEAN//EN" "http://www.springframework.org/dtd/spring-beans.dtd" >
<beans>
<bean id="helloBean" class="chb.demo.vo.HelloBean">
<property name="helloWorld">
<value>Hello!chb!</value>
</property>
</bean>
</beans>
¡¡¡¡£¨Èý£©¶ÁÈ¡xmlÎļþ
¡¡¡¡1.ÀûÓÃClassPathXmlApplicationContext
ApplicationContext context = new ClassPathXmlApplicationContext("beanConfig.xml");
HelloBean helloBean = (HelloBean)context.getBean("helloBean");
System.out.println(helloBean.getHelloWorld());
¡¡¡¡2.ÀûÓÃFileSystemResource¶ÁÈ¡
Resource rs = new FileSystemResource("D:/software/tomcat/webapps/springWebDemo/WEB-INF/classes/beanConfig.xml");
BeanFactory factory = new XmlBeanFactory(rs);
HelloBean helloBean = (HelloBean)factory.getBean("helloBean");
System.out.println(helloBean.getHelloWorld());
¡¡¡¡ÖµµÃ×¢ÒâµÄÊÇ£ºÀûÓÃFileSystemResource£¬ÔòÅäÖÃÎļþ±ØÐë·ÅÔÚprojectÖ±½ÓĿ¼Ï£¬»òÕßдÃ÷¾ø¶Ô·¾¶£¬·ñÔò¾Í»áÅ׳öÕÒ²»µ½ÎļþµÄÒì³£¡£
¶þ¡¢¶ÁÈ¡propertiesÅäÖÃÎļþ
¡¡¡¡ÕâÀï½éÉÜÁ½ÖÖ¼¼Êõ£ºÀûÓÃspring¶ÁÈ¡properties ÎļþºÍÀûÓÃjava.util.Properties¶ÁÈ¡
¡¡¡¡£¨Ò»£©ÀûÓÃspring¶ÁÈ¡properties Îļþ
¡¡¡¡ÎÒÃÇ»¹ÀûÓÃÉÏÃæµÄHelloBean.javaÎļþ£¬¹¹ÔìÈçÏÂbeanConfig.propertiesÎļþ£º
helloBean.class=chb.demo.vo.HelloBean
helloBean.helloWorld=Hello!chb!
¡¡¡¡ÊôÐÔÎļþÖеÄ"helloBean"Ãû³Æ¼´ÊÇBeanµÄ±ðÃûÉ趨£¬.classÓÃÓÚÖ¸¶¨ÀàÀ´Ô´¡£
¡¡¡¡È»ºóÀûÓÃorg.springframework.beans.factory.support.PropertiesBeanDefinitionReaderÀ´¶ÁÈ¡ÊôÐÔÎļþ
BeanDefinitionRegistry reg = new DefaultListableBeanFactory();
PropertiesBeanDefinitionReader reader = new PropertiesBeanDefinitionReader(reg);
reader.loadBeanDefinitions(new ClassPathResource("beanConfig.properties"));
BeanFactory factory = (BeanFactory)reg;
HelloBean helloBean = (HelloBean)factory.getBean("helloBean");
System.out.println(helloBean.getHelloWorld());
¡¡¡¡£¨¶þ£©ÀûÓà java .util.Properties¶ÁÈ¡ÊôÐÔÎļþ
¡¡¡¡±ÈÈ磬ÎÒÃǹ¹ÔìÒ»¸öipConfig.propertiesÀ´±£´æ·þÎñÆ÷ ipµØÖ·ºÍ¶Ë¿Ú£¬È磺
ip=192.168.0.1
port=8080
¡¡¡¡Ôò£¬ÎÒÃÇ¿ÉÒÔÓÃÈçϳÌÐòÀ´»ñµÃ·þÎñÆ÷ÅäÖÃÐÅÏ¢£º
InputStream inputStream = this.getClass().getClassLoader().getResourceAsStream("ipConfig.properties");
Properties p = new Properties();
try {
p.load(inputStream);
} catch (IOException e1) {
e1.printStackTrace();
}
System.out.println("ip:"+p.getProperty("ip")+",port:"+p.getProperty("port"));
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