add doc

whyDK37 · Jun 16, 2020 · 8128abc · 8128abc
1 parent 81b2ff3
commit 8128abc
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Showing 3 changed files with 7 additions and 3 deletions.
diff --git a/spring-framework/src/main/java/cases/AutowireByName.java b/spring-framework/src/main/java/cases/AutowireByName.java
@@ -5,13 +5,16 @@
 
 /**
  * 修改 xml 中或者 AutowiredConfig 文件中的 Primary，Service 会注入不同的 bean。
+ * <p>@Autowired 先匹配类型，如果有多个bean，选择优先级高的
+ * <p>@Resource 先匹配名称相同的 bean，如果没有则匹配类型，如果有多个类型相同的则匹配优先级高的。
+ *
  * @author wanghuanyu
  */
 public class AutowireByName {
 
   public static void main(String[] args) {
 
-		ApplicationContext applicationContext = new ClassPathXmlApplicationContext(
+    ApplicationContext applicationContext = new ClassPathXmlApplicationContext(
         "classpath:META-INF/cases/autowire-by-name.xml");
 
     Service service = applicationContext.getBean("service", Service.class);

diff --git a/spring-framework/src/main/java/cases/Service.java b/spring-framework/src/main/java/cases/Service.java
@@ -1,12 +1,13 @@
 package cases;
 
 import javax.annotation.Resource;
+import org.springframework.beans.factory.annotation.Autowired;
 
 public class Service {
 
   Store store;
 
-  @Resource
+  @Autowired
   public void setStore(Store store) {
     this.store = store;
   }

diff --git a/spring-framework/src/main/resources/META-INF/cases/autowire-by-name.xml b/spring-framework/src/main/resources/META-INF/cases/autowire-by-name.xml
@@ -12,6 +12,6 @@
   <bean class="cases.AutowiredConfig"/>
   <bean id="service" class="cases.Service"/>
 
-  <bean id="remoteStore" class="cases.RemoteStore"/>
+  <bean id="store" class="cases.RemoteStore"/>
 
 </beans>