public?class?UnitTestBase?{
????private?ClassPathXmlApplicationContext?context;

????private?String?springXmlpath;

????public?UnitTestBase()?{}

????public?UnitTestBase(String?springXmlpath)?{
????????this.springXmlpath?=?springXmlpath;
????}

????@Before
????public?void?before()?{
????????if?(StringUtils.isEmpty(springXmlpath))?{
????????????springXmlpath?=?"classpath*:spring-*.xml";
????????}
????????try?{
????????????context?=?new?ClassPathXmlApplicationContext(springXmlpath.split("[,\\s]+"));
????????????context.start();
????????}?catch?(BeansException?e)?{
????????????e.printStackTrace();
????????}
????}

????@After
????public?void?after()?{
????????context.destroy();
????}

????@SuppressWarnings("unchecked")
????protected?<T?extends?Object>?T?getBean(String?beanId)?{
????????try?{
????????????return?(T)context.getBean(beanId);
????????}?catch?(BeansException?e)?{
????????????e.printStackTrace();
????????????return?null;
????????}
????}

????protected?<T?extends?Object>?T?getBean(Class<T>?clazz)?{
????????try?{
????????????return?context.getBean(clazz);
????????}?catch?(BeansException?e)?{
????????????e.printStackTrace();
????????????return?null;
????????}
????}
}

public?class?BeanScope?{
????public?void?say(){
????????System.out.println("當(dāng)前對(duì)象為："+this.hashCode());
????}
}

@RunWith(BlockJUnit4ClassRunner.class)
public?class?TestBeanScope?extends?UnitTestBase{
????public?TestBeanScope(){
????????super("classpath*:spring-beanscope.xml");
????}

????@Test
????public?void?testSay(){
????????BeanScope?beanScope?=?super.getBean("beanScope");
????????beanScope.say();
????}
}

<?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="beanScope"?class="main.java.com.bean.BeanScope"?scope="singleton"></bean>
</beans>

九月 30, 2017 1:31:08 上午 org.springframework.context.support.ClassPathXmlApplicationContext prepareRefresh
信息: Refreshing org.springframework.context.support.ClassPathXmlApplicationContext@558fbefd: startup date [Sat Sep 30 01:31:08 CST 2017]; root of context hierarchy
org.springframework.beans.factory.NoSuchBeanDefinitionException: No bean named 'beanScope' available
?? ?at org.springframework.beans.factory.support.DefaultListableBeanFactory.getBeanDefinition(DefaultListableBeanFactory.java:687)
?? ?at org.springframework.beans.factory.support.AbstractBeanFactory.getMergedLocalBeanDefinition(AbstractBeanFactory.java:1207)
?? ?at org.springframework.beans.factory.support.AbstractBeanFactory.doGetBean(AbstractBeanFactory.java:284)
?? ?at org.springframework.beans.factory.support.AbstractBeanFactory.getBean(AbstractBeanFactory.java:197)
?? ?at org.springframework.context.support.AbstractApplicationContext.getBean(AbstractApplicationContext.java:1078)
?? ?at com.testJunit.UnitTestBase.getBean(UnitTestBase.java:44)
?? ?at test.java.com.bean.TestBeanScope.testSay(TestBeanScope.java:20)
?? ?at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
?? ?at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:57)
?? ?at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
?? ?at java.lang.reflect.Method.invoke(Method.java:606)
?? ?at org.junit.runners.model.FrameworkMethod$1.runReflectiveCall(FrameworkMethod.java:44)
?? ?at org.junit.internal.runners.model.ReflectiveCallable.run(ReflectiveCallable.java:15)
?? ?at org.junit.runners.model.FrameworkMethod.invokeExplosively(FrameworkMethod.java:41)
?? ?at org.junit.internal.runners.statements.InvokeMethod.evaluate(InvokeMethod.java:20)
?? ?at org.junit.internal.runners.statements.RunBefores.evaluate(RunBefores.java:28)
?? ?at org.junit.internal.runners.statements.RunAfters.evaluate(RunAfters.java:31)
?? ?at org.junit.runners.BlockJUnit4ClassRunner.runNotIgnored(BlockJUnit4ClassRunner.java:79)
?? ?at org.junit.runners.BlockJUnit4ClassRunner.runChild(BlockJUnit4ClassRunner.java:71)
?? ?at org.junit.runners.BlockJUnit4ClassRunner.runChild(BlockJUnit4ClassRunner.java:49)
?? ?at org.junit.runners.ParentRunner$3.run(ParentRunner.java:193)
?? ?at org.junit.runners.ParentRunner$1.schedule(ParentRunner.java:52)
?? ?at org.junit.runners.ParentRunner.runChildren(ParentRunner.java:191)
?? ?at org.junit.runners.ParentRunner.access$000(ParentRunner.java:42)
?? ?at org.junit.runners.ParentRunner$2.evaluate(ParentRunner.java:184)
?? ?at org.junit.runners.ParentRunner.run(ParentRunner.java:236)
?? ?at org.junit.runner.JUnitCore.run(JUnitCore.java:157)
?? ?at com.intellij.junit4.JUnit4IdeaTestRunner.startRunnerWithArgs(JUnit4IdeaTestRunner.java:68)
?? ?at com.intellij.rt.execution.junit.IdeaTestRunner$Repeater.startRunnerWithArgs(IdeaTestRunner.java:51)
?? ?at com.intellij.rt.execution.junit.JUnitStarter.prepareStreamsAndStart(JUnitStarter.java:242)
?? ?at com.intellij.rt.execution.junit.JUnitStarter.main(JUnitStarter.java:70)
九月 30, 2017 1:31:08 上午 org.springframework.context.support.ClassPathXmlApplicationContext doClose
信息: Closing org.springframework.context.support.ClassPathXmlApplicationContext@558fbefd: startup date [Sat Sep 30 01:31:08 CST 2017]; root of context hierarchy

java.lang.NullPointerException
?? ?at test.java.com.bean.TestBeanScope.testSay(TestBeanScope.java:21)
?? ?at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
?? ?at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:57)
?? ?at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
?? ?at java.lang.reflect.Method.invoke(Method.java:606)
?? ?at org.junit.runners.model.FrameworkMethod$1.runReflectiveCall(FrameworkMethod.java:44)
?? ?at org.junit.internal.runners.model.ReflectiveCallable.run(ReflectiveCallable.java:15)
?? ?at org.junit.runners.model.FrameworkMethod.invokeExplosively(FrameworkMethod.java:41)
?? ?at org.junit.internal.runners.statements.InvokeMethod.evaluate(InvokeMethod.java:20)
?? ?at org.junit.internal.runners.statements.RunBefores.evaluate(RunBefores.java:28)
?? ?at org.junit.internal.runners.statements.RunAfters.evaluate(RunAfters.java:31)
?? ?at org.junit.runners.BlockJUnit4ClassRunner.runNotIgnored(BlockJUnit4ClassRunner.java:79)
?? ?at org.junit.runners.BlockJUnit4ClassRunner.runChild(BlockJUnit4ClassRunner.java:71)
?? ?at org.junit.runners.BlockJUnit4ClassRunner.runChild(BlockJUnit4ClassRunner.java:49)
?? ?at org.junit.runners.ParentRunner$3.run(ParentRunner.java:193)
?? ?at org.junit.runners.ParentRunner$1.schedule(ParentRunner.java:52)
?? ?at org.junit.runners.ParentRunner.runChildren(ParentRunner.java:191)
?? ?at org.junit.runners.ParentRunner.access$000(ParentRunner.java:42)
?? ?at org.junit.runners.ParentRunner$2.evaluate(ParentRunner.java:184)
?? ?at org.junit.runners.ParentRunner.run(ParentRunner.java:236)
?? ?at org.junit.runner.JUnitCore.run(JUnitCore.java:157)
?? ?at com.intellij.junit4.JUnit4IdeaTestRunner.startRunnerWithArgs(JUnit4IdeaTestRunner.java:68)
?? ?at com.intellij.rt.execution.junit.IdeaTestRunner$Repeater.startRunnerWithArgs(IdeaTestRunner.java:51)
?? ?at com.intellij.rt.execution.junit.JUnitStarter.prepareStreamsAndStart(JUnitStarter.java:242)
?? ?at com.intellij.rt.execution.junit.JUnitStarter.main(JUnitStarter.java:70)


Process finished with exit code -1