SpringUtils工具类

package com.gjw.go.common.utils  
  
import org.springframework.beans.factory.config.BeanFactoryPostProcessor  
import org.springframework.beans.factory.config.ConfigurableListableBeanFactory  
import org.springframework.context.ApplicationContext  
import org.springframework.context.ApplicationContextAware  
import org.springframework.stereotype.Component  
  
@Component  
class SpringUtils : BeanFactoryPostProcessor, ApplicationContextAware {  
  
    override fun postProcessBeanFactory(beanFactory: ConfigurableListableBeanFactory) {  
        SpringUtils.beanFactory = beanFactory  
    }  

    override fun setApplicationContext(applicationContext: ApplicationContext) {  
        SpringUtils.applicationContext = applicationContext  
    }  

    companion object {  
        private lateinit var beanFactory: ConfigurableListableBeanFactory  
        private lateinit var applicationContext: ApplicationContext  

        fun <T> getBean(name: String): T {  
        return applicationContext.getBean(name) as T  
        }  

        fun <T> getBean(requiredType: Class<T>): T? {  
        return applicationContext.getBean(requiredType)  
        }  

        fun <T> getBean(name: String, requiredType: Class<T>): T? {  
        return applicationContext.getBean(name, requiredType)  
        }  

        fun <T> getBeansOfType(requiredType: Class<T>): Map<String, T> {  
        return applicationContext.getBeansOfType(requiredType)  
        }  
    }  
}

单元测试

AbstractSpringTest

package com.test.service  
  
import com.gjw.go.GoApp  
import com.gjw.go.common.log.log  
import org.junit.runner.RunWith  
import org.springframework.boot.test.context.SpringBootTest  
import org.springframework.test.context.junit4.SpringRunner  
import kotlin.test.AfterTest  
import kotlin.test.BeforeTest  
  
@RunWith(SpringRunner::class)  
@SpringBootTest(classes = [GoApp::class], webEnvironment = SpringBootTest.WebEnvironment.RANDOM_PORT)  
abstract class AbstractSpringTest {  
  
    @BeforeTest  
    fun beforeTest(){  
        log.info("BeforeTest 进行资源初始化操作")  
    }  

    @AfterTest  
    fun afterTest(){  
        log.info("AfterTest 进行资源释放操作")  
    }  
}

SpringUtilsTest

package com.test.service  
  
import com.gjw.go.common.utils.SpringUtils  
import com.gjw.go.service.EasyExcelService  
import kotlin.test.Test  
  
class SpringUtilsTest : AbstractSpringTest() {  
  
    @Test  
    fun test() {  
        SpringUtils.getBean<EasyExcelService>("easyExcelServiceImpl").listAll()  
        Thread.sleep(1000)  
        SpringUtils.getBean<EasyExcelService>("myExcelServiceImp").listAll()  
        Thread.sleep(1000)  
    }  

    @Test  
    fun test33() {  
        SpringUtils.getBean("easyExcelServiceImpl", EasyExcelService::class.java)?.listAll()  
        Thread.sleep(1000)  
        SpringUtils.getBean("myExcelServiceImp", EasyExcelService::class.java)?.listAll()  
        Thread.sleep(1000)  
    }  

    @Test  
    fun test3ee3() {  
        var list = SpringUtils.getBeansOfType(EasyExcelService::class.java)  
        list.values.forEach {  
            it.listAll()  
            println("---------")  
        }  
    }  
}