public class TestMain {
public static void main(String[] args) {
ClassPathXmlApplicationContext beans=new ClassPathXmlApplicationContext("beans.xml");
User user = beans.getBean("user", User.class);
System.out.println(user);
}
}
直接这样写 然后报这种错
"C:\Program Files\Java\jdk1.8.0_111\bin\java.exe" "-javaagent:D:\WuFengWang\wSoftware\Idea\IntelliJ IDEA 2019.3.3\lib\idea_rt.jar=51952:D:\WuFengWang\wSoftware\Idea\IntelliJ IDEA 2019.3.3\bin" -Dfile.encoding=UTF-8 -classpath "C:\Program Files\Java\jdk1.8.0_111\jre\lib\charsets.jar;C:\Program Files\Java\jdk1.8.0_111\jre\lib\deploy.jar;C:\Program Files\Java\jdk1.8.0_111\jre\lib\ext\access-bridge-64.jar;C:\Program Files\Java\jdk1.8.0_111\jre\lib\ext\cldrdata.jar;C:\Program Files\Java\jdk1.8.0_111\jre\lib\ext\dnsns.jar;C:\Program Files\Java\jdk1.8.0_111\jre\lib\ext\jaccess.jar;C:\Program Files\Java\jdk1.8.0_111\jre\lib\ext\jfxrt.jar;C:\Program Files\Java\jdk1.8.0_111\jre\lib\ext\localedata.jar;C:\Program Files\Java\jdk1.8.0_111\jre\lib\ext\nashorn.jar;C:\Program Files\Java\jdk1.8.0_111\jre\lib\ext\sunec.jar;C:\Program Files\Java\jdk1.8.0_111\jre\lib\ext\sunjce_provider.jar;C:\Program Files\Java\jdk1.8.0_111\jre\lib\ext\sunmscapi.jar;C:\Program Files\Java\jdk1.8.0_111\jre\lib\ext\sunpkcs11.jar;C:\Program Files\Java\jdk1.8.0_111\jre\lib\ext\zipfs.jar;C:\Program Files\Java\jdk1.8.0_111\jre\lib\javaws.jar;C:\Program Files\Java\jdk1.8.0_111\jre\lib\jce.jar;C:\Program Files\Java\jdk1.8.0_111\jre\lib\jfr.jar;C:\Program Files\Java\jdk1.8.0_111\jre\lib\jfxswt.jar;C:\Program Files\Java\jdk1.8.0_111\jre\lib\jsse.jar;C:\Program Files\Java\jdk1.8.0_111\jre\lib\management-agent.jar;C:\Program Files\Java\jdk1.8.0_111\jre\lib\plugin.jar;C:\Program Files\Java\jdk1.8.0_111\jre\lib\resources.jar;C:\Program Files\Java\jdk1.8.0_111\jre\lib\rt.jar;D:\WuFengWang\wWw\Test\Spring\target\classes;D:\WuFengWang\wWw\development_Tool\maven_repository\org\springframework\spring-beans\5.2.15.RELEASE\spring-beans-5.2.15.RELEASE.jar;D:\WuFengWang\wWw\development_Tool\maven_repository\org\springframework\spring-context\5.2.15.RELEASE\spring-context-5.2.15.RELEASE.jar;D:\WuFengWang\wWw\development_Tool\maven_repository\org\springframework\spring-aop\5.2.15.RELEASE\spring-aop-5.2.15.RELEASE.jar;D:\WuFengWang\wWw\development_Tool\maven_repository\org\springframework\spring-core\5.2.15.RELEASE\spring-core-5.2.15.RELEASE.jar;D:\WuFengWang\wWw\development_Tool\maven_repository\org\springframework\spring-jcl\5.2.15.RELEASE\spring-jcl-5.2.15.RELEASE.jar;D:\WuFengWang\wWw\development_Tool\maven_repository\org\springframework\spring-expression\5.2.15.RELEASE\spring-expression-5.2.15.RELEASE.jar" com.wfw.TestMain
Exception in thread "main" org.springframework.beans.factory.BeanDefinitionStoreException: IOException parsing XML document from class path resource [src/beans.xml]; nested exception is java.io.FileNotFoundException: class path resource [src/beans.xml] cannot be opened because it does not exist
at org.springframework.beans.factory.xml.XmlBeanDefinitionReader.loadBeanDefinitions(XmlBeanDefinitionReader.java:342)
at org.springframework.beans.factory.xml.XmlBeanDefinitionReader.loadBeanDefinitions(XmlBeanDefinitionReader.java:310)
at org.springframework.beans.factory.support.AbstractBeanDefinitionReader.loadBeanDefinitions(AbstractBeanDefinitionReader.java:188)
at org.springframework.beans.factory.support.AbstractBeanDefinitionReader.loadBeanDefinitions(AbstractBeanDefinitionReader.java:224)
at org.springframework.beans.factory.support.AbstractBeanDefinitionReader.loadBeanDefinitions(AbstractBeanDefinitionReader.java:195)
at org.springframework.beans.factory.support.AbstractBeanDefinitionReader.loadBeanDefinitions(AbstractBeanDefinitionReader.java:257)
at org.springframework.context.support.AbstractXmlApplicationContext.loadBeanDefinitions(AbstractXmlApplicationContext.java:128)
at org.springframework.context.support.AbstractXmlApplicationContext.loadBeanDefinitions(AbstractXmlApplicationContext.java:94)
at org.springframework.context.support.AbstractRefreshableApplicationContext.refreshBeanFactory(AbstractRefreshableApplicationContext.java:130)
at org.springframework.context.support.AbstractApplicationContext.obtainFreshBeanFactory(AbstractApplicationContext.java:638)
at org.springframework.context.support.AbstractApplicationContext.refresh(AbstractApplicationContext.java:523)
at org.springframework.context.support.ClassPathXmlApplicationContext.<init>(ClassPathXmlApplicationContext.java:144)
at org.springframework.context.support.ClassPathXmlApplicationContext.<init>(ClassPathXmlApplicationContext.java:85)
at com.wfw.TestMain.main(TestMain.java:13)
Caused by: java.io.FileNotFoundException: class path resource [src/beans.xml] cannot be opened because it does not exist
at org.springframework.core.io.ClassPathResource.getInputStream(ClassPathResource.java:187)
at org.springframework.beans.factory.xml.XmlBeanDefinitionReader.loadBeanDefinitions(XmlBeanDefinitionReader.java:333)
... 13 more
Process finished with exit code 1
那就是你的文件位置放错了，尤其是idea 资源文件 必须放在 Resource 文件夹下才可以起作用。
这样即可