引入 spring Junit

pom.xml

@@ -48,6 +48,13 @@
             <artifactId>druid</artifactId>
             <version>1.1.13</version>
         </dependency>
+        <dependency>
+            <groupId>org.springframework</groupId>
+            <artifactId>spring-test</artifactId>
+            <version>5.2.2.RELEASE</version>
+
+            <!--            <version></version>-->
+        </dependency>
     </dependencies>
 
 </project>

spring_annotation/src/main/resources/context.xml

@@ -11,13 +11,13 @@
 <!--&lt;!&ndash;        <constructor-arg name="userDao" ref="UserDao"></constructor-arg>&ndash;&gt;-->
 <!--    </bean>-->
 <!--    加载外部 properties文件-->
-    <context:property-placeholder location="jdbc.properties"></context:property-placeholder>
-    <bean id="dataSource" class="com.alibaba.druid.pool.DruidDataSource">
-        <property name="driverClassName" value="${jdbc.driver}"></property>
-        <property name="url" value="${jdbc.url}"></property>
-        <property name="username" value="${jdbc.username}"></property>
-        <property name="password" value="${jdbc.password}"></property>
-    </bean>
+<!--    <context:property-placeholder location="jdbc.properties"></context:property-placeholder>-->
+<!--    <bean id="dataSource" class="com.alibaba.druid.pool.DruidDataSource">-->
+<!--        <property name="driverClassName" value="${jdbc.driver}"></property>-->
+<!--        <property name="url" value="${jdbc.url}"></property>-->
+<!--        <property name="username" value="${jdbc.username}"></property>-->
+<!--        <property name="password" value="${jdbc.password}"></property>-->
+<!--    </bean>-->
     <!--    组件扫描-->
-<!--    <context:component-scan base-package="com"></context:component-scan>-->
+    <context:component-scan base-package="com"></context:component-scan>
 </beans>

spring_annotation/src/test/java/SpringJunitTest.java

@@ -0,0 +1,21 @@
+import com.Config.SpringConfiguration;
+import com.service.StudentService;
+import org.junit.Test;
+import org.junit.runner.RunWith;
+import org.springframework.beans.factory.annotation.Autowired;
+import org.springframework.test.context.ContextConfiguration;
+import org.springframework.test.context.junit4.SpringJUnit4ClassRunner;
+// 让测试运⾏于Spring测试环 境，以便在测试开始的时候⾃动创建Spring的应⽤上下⽂
+@RunWith(SpringJUnit4ClassRunner.class)
+// 使用配置文件的形式
+//@ContextConfiguration("classpath:context.xml")
+// 使用配置类
+@ContextConfiguration(classes = {SpringConfiguration.class})
+public class SpringJunitTest {
+    @Autowired
+    private StudentService service;
+    @Test
+    public void test1() {
+        service.showStudent();
+    }
+}