Spring读取配置文件的几种方式 发表于 2014-08-24 | 分类于 java | | 阅读次数 Spring读取配置文件的几种方式 123456789101112131415161718192021222324252627282930313233343536373839404142434445464748495051525354555657585960616263646566676869707172737475767778798081828384858687888990919293949596979899100import java.io.FileInputStream;import java.io.FileNotFoundException;import java.io.FileReader;import java.io.IOException;import java.io.Reader;import java.util.Properties;import org.junit.Test;import org.springframework.core.io.ClassPathResource;import org.springframework.core.io.FileSystemResource;import org.springframework.core.io.Resource;/** * BeanFactory只有依赖注入功能没有AOP功能, ApplicationContext继承自BeanFactory有AOP功能 */public class GetBeanFactory { /** * 加载项目内的配置文件,读取classPath之下的文件 */ public void test01() { Resource resource = new ClassPathResource("applicationContext.xml"); BeanFactory bf = new XmlBeanFactory(resource); StudentAction studentService = (StudentAction) bf .getBean("StudentAction"); System.out.println(studentService); } /** * 加载项目外的配置文件,File读取C盘下的文件 */ public void test02() { Resource resource = new FileSystemResource("C:/applicationContext.xml"); BeanFactory beanFactory = new XmlBeanFactory(resource); StudentAction studentAction = (StudentAction) beanFactory .getBean("studentAction"); System.out.println(studentAction); } /** * 读取Tomcat中的application配置文件, 必须导入Spring3-Web.jar包 */ public void test03() { /* * 将下面的代码必须放到jsp页面里面执行 <% org.springframework.core.io.Resource * resource=null; org.springframework.beans.factory.BeanFactory * beanFactory=null; resource=new * org.springframework.web.context.support * .ServletContextResource(application * ,"/WEB-INF/classes/applicationContext.xml"); beanFactory=new * org.springframework.beans.factory.xml.XmlBeanFactory(resource); * System.out.println(beanFactory); %> */ } /** * ApplicationContext继承自BeanFactory有AOP功能 */ public void test04() { ApplicationContext context = new ClassPathXmlApplicationContext( "applicationContext.xml"); StudentService studentService = (StudentService) context .getBean("studentService"); studentService.save(new Student("test", 22)); } /** * ApplicationContext继承自BeanFactory有AOP功能 */ public void test05() { ApplicationContext context = new FileSystemXmlApplicationContext( "C:/applicationContext.xml"); System.out.println(context.getBeanDefinitionCount());// 定义bean的总数 } /** * ApplicationContext继承自BeanFactory有AOP功能 */ public void test06() { String[] filepath = { "applicationContext.xml" }; ApplicationContext factory = new ClassPathXmlApplicationContext( filepath); StudentService studentService = (StudentService) factory .getBean("studentService"); } /** * 用Spring读取properties文件 */ @Test public void test07() throws Exception, Exception { Resource r = new ClassPathResource("ssh.properties"); Properties p=new Properties(); p.load(new FileInputStream(r.getFile())); System.out.println(p.get("studentDao")); } @Test public void test08() throws Exception, Exception { Resource r = new ClassPathResource("a.txt"); }} 本文出自 “腾飞工作室” 博客,请务必保留此出处:http://tfgzs.net/2014/08/24/Spring读取配置文件的几种方式/