add SpringUtil

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

@@ -0,0 +1,35 @@
+package cn.hutool.extra.spring;
+
+import lombok.Data;
+import org.junit.Assert;
+import org.junit.Test;
+import org.junit.runner.RunWith;
+import org.springframework.boot.test.context.SpringBootTest;
+import org.springframework.context.annotation.Bean;
+import org.springframework.test.context.junit4.SpringJUnit4ClassRunner;
+
+@RunWith(SpringJUnit4ClassRunner.class)
+@SpringBootTest(classes = {SpringUtil.class, SpringUtilTest.Demo2.class})
+public class SpringUtilTest {
+
+	@Test
+	public void getBeanTest(){
+		final Demo2 testDemo = SpringUtil.getBean("testDemo");
+		Assert.assertEquals(12345, testDemo.getId());
+		Assert.assertEquals("test", testDemo.getName());
+	}
+
+	@Data
+	public static class Demo2{
+		private long id;
+		private String name;
+
+		@Bean(name="testDemo")
+		public Demo2 generateDemo() {
+			Demo2 demo = new Demo2();
+			demo.setId(12345);
+			demo.setName("test");
+			return demo;
+		}
+	}
+}