javaEEday05-分层解耦-IOC&DI-IOC详解

springboot-web-req-resp/pom.xml

@@ -46,7 +46,11 @@
 			<artifactId>dom4j</artifactId>
 			<version>2.1.3</version>
 		</dependency>
-	</dependencies>
+        <dependency>
+            <groupId>org.springframework.boot</groupId>
+            <artifactId>spring-boot-starter-actuator</artifactId>
+        </dependency>
+    </dependencies>
 
 	<build>
 		<plugins>

springboot-web-req-resp/src/main/java/com/inmind/SpringbootWebReqRespApplication.java

@@ -2,8 +2,11 @@ package com.inmind;
 
 import org.springframework.boot.SpringApplication;
 import org.springframework.boot.autoconfigure.SpringBootApplication;
+import org.springframework.context.annotation.ComponentScan;
+import org.springframework.stereotype.Component;
 
 @SpringBootApplication
+//@ComponentScan({"com.inmind","dao"})//一旦手动添加了@ComponentScan，那么原始扫描路径就失效了，必须全部手动设置
 public class SpringbootWebReqRespApplication {
 
 	public static void main(String[] args) {

springboot-web-req-resp/src/main/java/com/inmind/controller/EmpController.java

@@ -6,6 +6,8 @@ import com.inmind.service.EmpService;
 import com.inmind.service.impl.EmpServiceA;
 import com.inmind.utils.XmlParserUtils;
 import org.springframework.beans.factory.annotation.Autowired;
+import org.springframework.stereotype.Component;
+import org.springframework.stereotype.Service;
 import org.springframework.web.bind.annotation.RequestMapping;
 import org.springframework.web.bind.annotation.RestController;
 

springboot-web-req-resp/src/main/java/com/inmind/dao/impl/EmpDaoA.java

@@ -3,11 +3,12 @@ package com.inmind.dao.impl;
 import com.inmind.dao.EmpDao;
 import com.inmind.pojo.Emp;
 import com.inmind.utils.XmlParserUtils;
-import org.springframework.stereotype.Component;
+import org.springframework.stereotype.Repository;
 
 import java.util.List;
 
-@Component //将当前类交给IOC容器管理,成为IOC容器的bean -- 控制反转
+//@Component //将当前类交给IOC容器管理,成为IOC容器的bean -- 控制反转
+@Repository
 public class EmpDaoA implements EmpDao {
     @Override
     public List<Emp> listEmp() {

springboot-web-req-resp/src/main/java/com/inmind/service/impl/EmpServiceA.java

@@ -1,11 +1,9 @@
 package com.inmind.service.impl;
 
 import com.inmind.dao.EmpDao;
-import com.inmind.dao.impl.EmpDaoA;
 import com.inmind.pojo.Emp;
 import com.inmind.service.EmpService;
 import org.springframework.beans.factory.annotation.Autowired;
-import org.springframework.stereotype.Component;
 
 import java.util.List;
 

springboot-web-req-resp/src/main/java/com/inmind/service/impl/EmpServiceB.java

@@ -4,11 +4,12 @@ import com.inmind.dao.EmpDao;
 import com.inmind.pojo.Emp;
 import com.inmind.service.EmpService;
 import org.springframework.beans.factory.annotation.Autowired;
-import org.springframework.stereotype.Component;
+import org.springframework.stereotype.Service;
 
 import java.util.List;
 
-@Component
+//@Component
+@Service
 public class EmpServiceB implements EmpService {
     //获取dao层的对象，获取数据
     @Autowired

springboot-web-req-resp/src/main/java/com/inmind/utils/XmlParserUtils.java

@@ -3,12 +3,15 @@ package com.inmind.utils;
 import org.dom4j.Document;
 import org.dom4j.Element;
 import org.dom4j.io.SAXReader;
+import org.springframework.stereotype.Component;
+
 import java.io.File;
 import java.lang.reflect.Constructor;
 import java.lang.reflect.Field;
 import java.util.ArrayList;
 import java.util.List;
 
+@Component
 public class XmlParserUtils {
 
     public static <T> List<T> parse(String file , Class<T> targetClass)  {