fix:FactoryBean使用

src/main/java/com/kwan/spring5/dao/impl/UserDaoImpl.java

 package com.kwan.spring5.dao.impl;
 
 import com.kwan.spring5.dao.UserDao;
+import org.springframework.stereotype.Repository;
 
 /**
  * UserDao 实现类
@@ -9,6 +10,7 @@ import com.kwan.spring5.dao.UserDao;
  * @version : 2.2.0
  * @date : 2022/11/12 20:08
  */
+@Repository(value = "userDaoImpl")
 public class UserDaoImpl implements UserDao {
     @Override
     public void update() {

src/main/java/com/kwan/spring5/service/UserService.java

 package com.kwan.spring5.service;
 
 import com.kwan.spring5.dao.UserDao;
+import org.springframework.beans.factory.annotation.Autowired;
+import org.springframework.beans.factory.annotation.Qualifier;
+import org.springframework.stereotype.Service;
 
 /**
  * user服务类
@@ -9,11 +12,16 @@ import com.kwan.spring5.dao.UserDao;
  * @version : 2.2.0
  * @date : 2022/11/12 19:34
  */
+@Service(value = "userService")
 public class UserService {
 
     /**
      * 创建UserDao类型属性，生成set方法
      */
+    @Autowired
+    @Qualifier(value = "userDaoImpl")
+//    @Resource(name = "userDaoImpl")
+//    @Resource(type = UserDaoImpl.class)
     private UserDao userDao;
 
     public void setUserDao(UserDao userDao) {
@@ -24,4 +32,9 @@ public class UserService {
         System.out.println("service add...............");
         userDao.update();//调用dao方法
     }
+
+
+    public void update() {
+        System.out.println("service update...............");
+    }
 }

src/main/resources/spring16.xml

+<?xml version="1.0" encoding="UTF-8"?>
+<beans xmlns="http://www.springframework.org/schema/beans"
+       xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
+       xmlns:context="http://www.springframework.org/schema/context"
+       xsi:schemaLocation="http://www.springframework.org/schema/beans
+       https://www.springframework.org/schema/beans/spring-beans.xsd
+        http://www.springframework.org/schema/context
+       https://www.springframework.org/schema/context/spring-context.xsd">
+
+
+    <!--开启组件扫描
+   1 如果扫描多个包，多个包使用逗号隔开
+   2 扫描包上层目录
+  -->
+    <context:component-scan base-package="com.kwan"></context:component-scan>
+
+</beans>
\ No newline at end of file

src/main/resources/spring17.xml

+<?xml version="1.0" encoding="UTF-8"?>
+<beans xmlns="http://www.springframework.org/schema/beans"
+       xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
+       xmlns:context="http://www.springframework.org/schema/context"
+       xsi:schemaLocation="http://www.springframework.org/schema/beans
+       https://www.springframework.org/schema/beans/spring-beans.xsd
+        http://www.springframework.org/schema/context
+       https://www.springframework.org/schema/context/spring-context.xsd">
+    <!--示例 1
+     use-default-filters="false" 表示现在不使用默认 filter，自己配置 filter
+     context:include-filter ，设置扫描哪些内容
+    -->
+    <context:component-scan base-package="com.kwan" use-default-filters="false">
+        <context:include-filter type="annotation"
+                                expression="org.springframework.stereotype.Controller"/><!--代表只扫描Controller注解的类-->
+    </context:component-scan>
+
+    <!--示例 2
+     下面配置扫描包所有内容
+     context:exclude-filter： 设置哪些内容不进行扫描
+    -->
+    <context:component-scan base-package="com.kwan">
+        <context:exclude-filter type="annotation"
+                                expression="org.springframework.stereotype.Controller"/><!--表示Controller注解的类之外一切都进行扫描-->
+    </context:component-scan>
+</beans>
\ No newline at end of file

src/main/resources/spring18.xml

+<?xml version="1.0" encoding="UTF-8"?>
+<beans xmlns="http://www.springframework.org/schema/beans"
+       xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
+       xmlns:context="http://www.springframework.org/schema/context"
+       xsi:schemaLocation="http://www.springframework.org/schema/beans
+       https://www.springframework.org/schema/beans/spring-beans.xsd
+        http://www.springframework.org/schema/context
+       https://www.springframework.org/schema/context/spring-context.xsd">
+
+
+    <!--开启组件扫描
+   1 如果扫描多个包，多个包使用逗号隔开
+   2 扫描包上层目录
+  -->
+    <context:component-scan base-package="com.kwan"></context:component-scan>
+
+</beans>
\ No newline at end of file

src/test/java/Spring_16_ComponentTest.java

+import com.kwan.spring5.service.UserService;
+import org.junit.Test;
+import org.springframework.context.support.ClassPathXmlApplicationContext;
+
+/**
+ * 注解ioc
+ *
+ * @author : qinyingjie
+ * @version : 2.2.0
+ * @date : 2022/11/12 18:43
+ */
+public class Spring_16_ComponentTest {
+    @Test
+    public void testBean3() {
+        ClassPathXmlApplicationContext context =
+                new ClassPathXmlApplicationContext("spring16.xml");
+        UserService userService = context.getBean("userService", UserService.class);
+        userService.add();
+    }
+}

src/test/java/Spring_17_ComponentTest.java

+import com.kwan.spring5.service.UserService;
+import org.junit.Test;
+import org.springframework.context.support.ClassPathXmlApplicationContext;
+
+/**
+ * 开启组件扫描细节配置
+ *
+ * @author : qinyingjie
+ * @version : 2.2.0
+ * @date : 2022/11/12 18:43
+ */
+public class Spring_17_ComponentTest {
+    @Test
+    public void testBean3() {
+        ClassPathXmlApplicationContext context =
+                new ClassPathXmlApplicationContext("spring17.xml");
+        UserService userService = context.getBean("userService", UserService.class);
+        userService.update();
+    }
+}

src/test/java/Spring_18_ComponentTest.java

+import com.kwan.spring5.service.UserService;
+import org.junit.Test;
+import org.springframework.context.support.ClassPathXmlApplicationContext;
+
+/**
+ * 基于注解方式实现属性注入
+ *
+ * @author : qinyingjie
+ * @version : 2.2.0
+ * @date : 2022/11/12 18:43
+ */
+public class Spring_18_ComponentTest {
+    @Test
+    public void testBean3() {
+        ClassPathXmlApplicationContext context =
+                new ClassPathXmlApplicationContext("spring18.xml");
+        UserService userService = context.getBean("userService", UserService.class);
+        userService.add();
+    }
+}

src/test/java/Spring_19_QualifierTest.java

+import com.kwan.spring5.service.UserService;
+import org.junit.Test;
+import org.springframework.context.support.ClassPathXmlApplicationContext;
+
+/**
+ * Qualifier注解
+ *
+ * @author : qinyingjie
+ * @version : 2.2.0
+ * @date : 2022/11/12 18:43
+ */
+public class Spring_19_QualifierTest {
+    @Test
+    public void testBean3() {
+        ClassPathXmlApplicationContext context =
+                new ClassPathXmlApplicationContext("spring18.xml");
+        UserService userService = context.getBean("userService", UserService.class);
+        userService.add();
+    }
+}

src/test/java/Spring_20_ResourceTest.java

+import com.kwan.spring5.service.UserService;
+import org.junit.Test;
+import org.springframework.context.support.ClassPathXmlApplicationContext;
+
+/**
+ * Qualifier注解
+ *
+ * @author : qinyingjie
+ * @version : 2.2.0
+ * @date : 2022/11/12 18:43
+ */
+public class Spring_20_ResourceTest {
+    @Test
+    public void testBean3() {
+        ClassPathXmlApplicationContext context =
+                new ClassPathXmlApplicationContext("spring18.xml");
+        UserService userService = context.getBean("userService", UserService.class);
+        userService.add();
+    }
+}