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??????????Spring???????????????????TestContext?????????????????????Spring??????????????????????д??Junit4 ??BlockJUnit4ClassRunner??methodBlock??????

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????Spring?????????????????????????????????????????????????web???????????????????Service???????е???????????Spring??????????к??????÷?????????????????￡?????@TestExecutionListeners???????????????????????????????????Щ?????????????DependencyInjectionTestExecutionListener.class???????????????е????????????TransactionalTestExecutionListener.class???????????й??????????????Srping???????????????????????Listener???????????????????????????????org.springframework.test.context.support.AbstractTestExecutionListener??????