!174 SpringUtil增加注册bean

Merge pull request !174 from 晴雨夜/v5-dev

hutool-extra/src/main/java/cn/hutool/extra/spring/SpringUtil.java

@@ -4,6 +4,7 @@ import cn.hutool.core.lang.TypeReference;
 import cn.hutool.core.util.ArrayUtil;
 import org.springframework.context.ApplicationContext;
 import org.springframework.context.ApplicationContextAware;
+import org.springframework.context.ConfigurableApplicationContext;
 import org.springframework.core.ResolvableType;
 import org.springframework.stereotype.Component;
 
@@ -148,6 +149,22 @@ public class SpringUtil implements ApplicationContextAware {
 		final String[] activeProfiles = getActiveProfiles();
 		return ArrayUtil.isNotEmpty(activeProfiles) ? activeProfiles[0] : null;
 	}
+
+    /**
+     * 动态向Spring注册Bean
+     * <p>
+     * 由{@link org.springframework.beans.factory.BeanFactory} 实现，通过工具开放API
+     *
+     * @param beanName 名称
+     * @param bean     bean
+     * @param <T>      泛型
+     * @author shadow
+     * @date 2020-09-04
+     */
+    public static <T> void registerBean(String beanName, T bean) {
+        ConfigurableApplicationContext context = (ConfigurableApplicationContext) applicationContext;
+        context.getBeanFactory().registerSingleton(beanName, bean);
+    }
 }
 
 

hutool-extra/src/test/java/cn/hutool/extra/spring/SpringUtilTest.java

@@ -10,7 +10,9 @@ import org.springframework.boot.test.context.SpringBootTest;
 import org.springframework.context.annotation.Bean;
 import org.springframework.test.context.junit4.SpringJUnit4ClassRunner;
 
+import java.lang.reflect.Type;
 import java.util.HashMap;
+import java.util.LinkedHashMap;
 import java.util.Map;
 
 @RunWith(SpringJUnit4ClassRunner.class)
@@ -18,6 +20,27 @@ import java.util.Map;
 //@Import(cn.hutool.extra.spring.SpringUtil.class)
 public class SpringUtilTest {
 
+	/**
+	 * 注册bean
+	 * 方便执行顺序使用abcd...的顺序命名方法
+	 */
+	@Test
+	public void a() {
+		Demo2 registerBean = new Demo2();
+		registerBean.setId(123);
+		registerBean.setName("222");
+		SpringUtil.registerBean("registerBean", registerBean);
+	}
+
+	/**
+	 * 验证注册的bean
+	 */
+	@Test
+	public void b() {
+		Demo2 registerBean = SpringUtil.getBean("registerBean");
+		Assert.assertEquals(123, registerBean.getId());
+		Assert.assertEquals("222", registerBean.getName());
+	}
 	@Test
 	public void getBeanTest(){
 		final Demo2 testDemo = SpringUtil.getBean("testDemo");