Add: SpringUtil.getBean(TypeReference<T>)

添加Spring工具类静态方法，通过类型参考（TypeReference）获取带泛型参数的Bean，同时添加了一个小的单元测试

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

@@ -1,5 +1,7 @@
 package cn.hutool.extra.spring;
 
+import cn.hutool.core.lang.TypeReference;
+import cn.hutool.core.map.MapUtil;
 import lombok.Data;
 import org.junit.Assert;
 import org.junit.Test;
@@ -8,6 +10,11 @@ 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)
 @SpringBootTest(classes = {SpringUtil.class, SpringUtilTest.Demo2.class})
 //@Import(cn.hutool.extra.spring.SpringUtil.class)
@@ -20,6 +27,14 @@ public class SpringUtilTest {
 		Assert.assertEquals("test", testDemo.getName());
 	}
 
+	@Test
+	public void getBeanWithTypeReferenceTest() {
+		Map<String, Object> mapBean = SpringUtil.getBean(new TypeReference<Map<String, Object>>() {});
+		Assert.assertNotNull(mapBean);
+		Assert.assertEquals("value1", mapBean.get("key1"));
+		Assert.assertEquals("value2", mapBean.get("key2"));
+	}
+
 	@Data
 	public static class Demo2{
 		private long id;
@@ -32,5 +47,13 @@ public class SpringUtilTest {
 			demo.setName("test");
 			return demo;
 		}
+
+		@Bean(name="mapDemo")
+		public Map<String, Object> generateMap() {
+			HashMap<String, Object> map = MapUtil.newHashMap();
+			map.put("key1", "value1");
+			map.put("key2", "value2");
+			return map;
+		}
 	}
 }