目錄結構

pox.xml

<?xml version="1.0" encoding="UTF-8"?> <project xmlns="http://maven.apache.org/POM/4.0.0"xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd"><modelVersion>4.0.0</modelVersion><groupId>com.geyao</groupId><artifactId>spring01geyao</artifactId><version>1.0-SNAPSHOT</version><dependencies><dependency><groupId>org.springframework</groupId><artifactId>spring-context</artifactId><version>4.3.13.RELEASE</version></dependency><dependency><groupId>org.springframework</groupId><artifactId>spring-test</artifactId><version>3.2.0.RELEASE</version></dependency><dependency><groupId>log4j</groupId><artifactId>log4j</artifactId><version>1.2.17</version></dependency><dependency><groupId>junit</groupId><artifactId>junit</artifactId><version>4.12</version></dependency><dependency><groupId>org.springframework</groupId><artifactId>spring-test</artifactId><version>4.3.4.RELEASE</version><scope>test</scope></dependency><dependency><groupId>org.springframework</groupId><artifactId>spring-test</artifactId><version>4.3.4.RELEASE</version><scope>test</scope></dependency></dependencies> </project>

log4j.propreties

### 設置### log4j.rootLogger = ERROR,stdout### 輸出信息到控制抬 ### log4j.appender.stdout = org.apache.log4j.ConsoleAppender log4j.appender.stdout.layout = org.apache.log4j.PatternLayout log4j.appender.stdout.layout.ConversionPattern = [%-5p] %d{yyyy-MM-dd HH:mm:ss,SSS} method:%l%n%m%n log4j.category.org.springframework.beans.factory=DEBUG

Appconfig類

package com.geyao.demo.config;import com.geyao.demo.Service.impl.UserServiceNormal; import com.geyao.demo.dao.UserDao; import com.geyao.demo.dao.impl.UserDaoNormal; import org.springframework.context.annotation.Bean; import org.springframework.context.annotation.ComponentScan; import org.springframework.context.annotation.Configuration;@Configurationpublic class Appconfig {@Beanpublic UserDao userDaoNormal(){System.out.println("創建UserDao對象");return new UserDaoNormal();}@Beanpublic UserServiceNormal userServiceNormal(UserDao userDao){System.out.println("創建userservice對象");UserServiceNormal userService=new UserServiceNormal();userService.setUserDao(userDao);return userService;} }

userservice類

package com.geyao.demo.dao.impl;import com.geyao.demo.dao.UserDao; import org.springframework.stereotype.Repository;public class UserDaoNormal implements UserDao {public void add(){System.out.println("添加到數據庫中...");} }

Userdao

package com.geyao.demo.dao;public interface UserDao {void add(); }

UserServiceNormal類

package com.geyao.demo.Service.impl;import com.geyao.demo.Service.UserService; import com.geyao.demo.dao.UserDao; import org.springframework.stereotype.Service;public class UserServiceNormal implements UserService {private UserDao userDao;public UserServiceNormal() {super();}public UserServiceNormal(UserDao userDao){this.userDao=userDao;}public void setUserDao(UserDao userDao) {this.userDao = userDao;}public void add(){userDao.add();} }

UserService類

package com.geyao.demo.Service;public interface UserService {void add(); }

UserServiceTest類

package com.geyao.demo.service;import com.geyao.demo.Service.UserService; import com.geyao.demo.config.Appconfig; 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;@RunWith(SpringJUnit4ClassRunner.class) @ContextConfiguration(classes = Appconfig.class) public class UserServiceTest {@Autowiredprivate UserService userService;@Testpublic void testAdd(){userService.add();} }

運行結果

[DEBUG] 2019-11-01 22:25:32,893 method:org.springframework.beans.factory.support.DefaultSingletonBeanRegistry.getSingleton(DefaultSingletonBeanRegistry.java:221) Creating shared instance of singleton bean 'org.springframework.context.annotation.internalConfigurationAnnotationProcessor' [DEBUG] 2019-11-01 22:25:32,898 method:org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.createBean(AbstractAutowireCapableBeanFactory.java:449) Creating instance of bean 'org.springframework.context.annotation.internalConfigurationAnnotationProcessor' [DEBUG] 2019-11-01 22:25:32,927 method:org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.doCreateBean(AbstractAutowireCapableBeanFactory.java:539) Eagerly caching bean 'org.springframework.context.annotation.internalConfigurationAnnotationProcessor' to allow for resolving potential circular references [DEBUG] 2019-11-01 22:25:32,931 method:org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.createBean(AbstractAutowireCapableBeanFactory.java:485) Finished creating instance of bean 'org.springframework.context.annotation.internalConfigurationAnnotationProcessor' WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by org.springframework.cglib.core.ReflectUtils$1 (file:/C:/Users/geyao/.m2/repository/org/springframework/spring-core/4.3.13.RELEASE/spring-core-4.3.13.RELEASE.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int,java.security.ProtectionDomain) WARNING: Please consider reporting this to the maintainers of org.springframework.cglib.core.ReflectUtils$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [DEBUG] 2019-11-01 22:25:33,125 method:org.springframework.beans.factory.support.DefaultSingletonBeanRegistry.getSingleton(DefaultSingletonBeanRegistry.java:221) Creating shared instance of singleton bean 'org.springframework.context.annotation.internalAutowiredAnnotationProcessor' [DEBUG] 2019-11-01 22:25:33,125 method:org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.createBean(AbstractAutowireCapableBeanFactory.java:449) Creating instance of bean 'org.springframework.context.annotation.internalAutowiredAnnotationProcessor' [DEBUG] 2019-11-01 22:25:33,127 method:org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.doCreateBean(AbstractAutowireCapableBeanFactory.java:539) Eagerly caching bean 'org.springframework.context.annotation.internalAutowiredAnnotationProcessor' to allow for resolving potential circular references [DEBUG] 2019-11-01 22:25:33,157 method:org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.createBean(AbstractAutowireCapableBeanFactory.java:485) Finished creating instance of bean 'org.springframework.context.annotation.internalAutowiredAnnotationProcessor' [DEBUG] 2019-11-01 22:25:33,158 method:org.springframework.beans.factory.support.DefaultSingletonBeanRegistry.getSingleton(DefaultSingletonBeanRegistry.java:221) Creating shared instance of singleton bean 'org.springframework.context.annotation.internalRequiredAnnotationProcessor' [DEBUG] 2019-11-01 22:25:33,158 method:org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.createBean(AbstractAutowireCapableBeanFactory.java:449) Creating instance of bean 'org.springframework.context.annotation.internalRequiredAnnotationProcessor' [DEBUG] 2019-11-01 22:25:33,159 method:org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.doCreateBean(AbstractAutowireCapableBeanFactory.java:539) Eagerly caching bean 'org.springframework.context.annotation.internalRequiredAnnotationProcessor' to allow for resolving potential circular references [DEBUG] 2019-11-01 22:25:33,167 method:org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.createBean(AbstractAutowireCapableBeanFactory.java:485) Finished creating instance of bean 'org.springframework.context.annotation.internalRequiredAnnotationProcessor' [DEBUG] 2019-11-01 22:25:33,176 method:org.springframework.beans.factory.support.DefaultListableBeanFactory.preInstantiateSingletons(DefaultListableBeanFactory.java:730) Pre-instantiating singletons in org.springframework.beans.factory.support.DefaultListableBeanFactory@43195e57: defining beans [org.springframework.context.annotation.internalConfigurationAnnotationProcessor,org.springframework.context.annotation.internalAutowiredAnnotationProcessor,org.springframework.context.annotation.internalRequiredAnnotationProcessor,org.springframework.context.event.internalEventListenerProcessor,org.springframework.context.event.internalEventListenerFactory,appconfig,userDaoNormal,userServiceNormal]; root of factory hierarchy [DEBUG] 2019-11-01 22:25:33,177 method:org.springframework.beans.factory.support.AbstractBeanFactory.doGetBean(AbstractBeanFactory.java:251) Returning cached instance of singleton bean 'org.springframework.context.annotation.internalConfigurationAnnotationProcessor' [DEBUG] 2019-11-01 22:25:33,177 method:org.springframework.beans.factory.support.AbstractBeanFactory.doGetBean(AbstractBeanFactory.java:251) Returning cached instance of singleton bean 'org.springframework.context.annotation.internalAutowiredAnnotationProcessor' [DEBUG] 2019-11-01 22:25:33,177 method:org.springframework.beans.factory.support.AbstractBeanFactory.doGetBean(AbstractBeanFactory.java:251) Returning cached instance of singleton bean 'org.springframework.context.annotation.internalRequiredAnnotationProcessor' [DEBUG] 2019-11-01 22:25:33,179 method:org.springframework.beans.factory.support.DefaultSingletonBeanRegistry.getSingleton(DefaultSingletonBeanRegistry.java:221) Creating shared instance of singleton bean 'org.springframework.context.event.internalEventListenerProcessor' [DEBUG] 2019-11-01 22:25:33,180 method:org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.createBean(AbstractAutowireCapableBeanFactory.java:449) Creating instance of bean 'org.springframework.context.event.internalEventListenerProcessor' [DEBUG] 2019-11-01 22:25:33,184 method:org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.doCreateBean(AbstractAutowireCapableBeanFactory.java:539) Eagerly caching bean 'org.springframework.context.event.internalEventListenerProcessor' to allow for resolving potential circular references [DEBUG] 2019-11-01 22:25:33,189 method:org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.createBean(AbstractAutowireCapableBeanFactory.java:485) Finished creating instance of bean 'org.springframework.context.event.internalEventListenerProcessor' [DEBUG] 2019-11-01 22:25:33,190 method:org.springframework.beans.factory.support.DefaultSingletonBeanRegistry.getSingleton(DefaultSingletonBeanRegistry.java:221) Creating shared instance of singleton bean 'org.springframework.context.event.internalEventListenerFactory' [DEBUG] 2019-11-01 22:25:33,190 method:org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.createBean(AbstractAutowireCapableBeanFactory.java:449) Creating instance of bean 'org.springframework.context.event.internalEventListenerFactory' [DEBUG] 2019-11-01 22:25:33,191 method:org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.doCreateBean(AbstractAutowireCapableBeanFactory.java:539) Eagerly caching bean 'org.springframework.context.event.internalEventListenerFactory' to allow for resolving potential circular references [DEBUG] 2019-11-01 22:25:33,196 method:org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.createBean(AbstractAutowireCapableBeanFactory.java:485) Finished creating instance of bean 'org.springframework.context.event.internalEventListenerFactory' [DEBUG] 2019-11-01 22:25:33,196 method:org.springframework.beans.factory.support.DefaultSingletonBeanRegistry.getSingleton(DefaultSingletonBeanRegistry.java:221) Creating shared instance of singleton bean 'appconfig' [DEBUG] 2019-11-01 22:25:33,197 method:org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.createBean(AbstractAutowireCapableBeanFactory.java:449) Creating instance of bean 'appconfig' [DEBUG] 2019-11-01 22:25:33,198 method:org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.doCreateBean(AbstractAutowireCapableBeanFactory.java:539) Eagerly caching bean 'appconfig' to allow for resolving potential circular references [DEBUG] 2019-11-01 22:25:33,204 method:org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.createBean(AbstractAutowireCapableBeanFactory.java:485) Finished creating instance of bean 'appconfig' [DEBUG] 2019-11-01 22:25:33,204 method:org.springframework.beans.factory.support.DefaultSingletonBeanRegistry.getSingleton(DefaultSingletonBeanRegistry.java:221) Creating shared instance of singleton bean 'userDaoNormal' [DEBUG] 2019-11-01 22:25:33,204 method:org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.createBean(AbstractAutowireCapableBeanFactory.java:449) Creating instance of bean 'userDaoNormal' [DEBUG] 2019-11-01 22:25:33,207 method:org.springframework.beans.factory.support.AbstractBeanFactory.doGetBean(AbstractBeanFactory.java:251) Returning cached instance of singleton bean 'appconfig' 創建UserDao對象 [DEBUG] 2019-11-01 22:25:33,247 method:org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.doCreateBean(AbstractAutowireCapableBeanFactory.java:539) Eagerly caching bean 'userDaoNormal' to allow for resolving potential circular references [DEBUG] 2019-11-01 22:25:33,251 method:org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.createBean(AbstractAutowireCapableBeanFactory.java:485) Finished creating instance of bean 'userDaoNormal' [DEBUG] 2019-11-01 22:25:33,251 method:org.springframework.beans.factory.support.DefaultSingletonBeanRegistry.getSingleton(DefaultSingletonBeanRegistry.java:221) Creating shared instance of singleton bean 'userServiceNormal' [DEBUG] 2019-11-01 22:25:33,252 method:org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.createBean(AbstractAutowireCapableBeanFactory.java:449) Creating instance of bean 'userServiceNormal' [DEBUG] 2019-11-01 22:25:33,252 method:org.springframework.beans.factory.support.AbstractBeanFactory.doGetBean(AbstractBeanFactory.java:251) Returning cached instance of singleton bean 'appconfig' 創建userservice對象 [DEBUG] 2019-11-01 22:25:33,254 method:org.springframework.beans.factory.support.AbstractBeanFactory.doGetBean(AbstractBeanFactory.java:251) Returning cached instance of singleton bean 'userDaoNormal' [DEBUG] 2019-11-01 22:25:33,256 method:org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.doCreateBean(AbstractAutowireCapableBeanFactory.java:539) Eagerly caching bean 'userServiceNormal' to allow for resolving potential circular references [DEBUG] 2019-11-01 22:25:33,259 method:org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.createBean(AbstractAutowireCapableBeanFactory.java:485) Finished creating instance of bean 'userServiceNormal' [DEBUG] 2019-11-01 22:25:33,260 method:org.springframework.beans.factory.support.AbstractBeanFactory.doGetBean(AbstractBeanFactory.java:251) Returning cached instance of singleton bean 'org.springframework.context.event.internalEventListenerFactory' [DEBUG] 2019-11-01 22:25:33,316 method:org.springframework.beans.factory.support.AbstractBeanFactory.doGetBean(AbstractBeanFactory.java:251) Returning cached instance of singleton bean 'lifecycleProcessor' [DEBUG] 2019-11-01 22:25:33,325 method:org.springframework.beans.factory.annotation.InjectionMetadata.inject(InjectionMetadata.java:86) Processing injected element of bean 'com.geyao.demo.service.UserServiceTest': AutowiredFieldElement for private com.geyao.demo.Service.UserService com.geyao.demo.service.UserServiceTest.userService [DEBUG] 2019-11-01 22:25:33,330 method:org.springframework.beans.factory.support.AbstractBeanFactory.doGetBean(AbstractBeanFactory.java:251) Returning cached instance of singleton bean 'userServiceNormal' [DEBUG] 2019-11-01 22:25:33,331 method:org.springframework.beans.factory.annotation.AutowiredAnnotationBeanPostProcessor.registerDependentBeans(AutowiredAnnotationBeanPostProcessor.java:535) Autowiring by type from bean name 'com.geyao.demo.service.UserServiceTest' to bean named 'userServiceNormal' 添加到數據庫中... [DEBUG] 2019-11-01 22:25:33,340 method:org.springframework.beans.factory.support.AbstractBeanFactory.doGetBean(AbstractBeanFactory.java:251) Returning cached instance of singleton bean 'lifecycleProcessor' [DEBUG] 2019-11-01 22:25:33,341 method:org.springframework.beans.factory.support.DefaultSingletonBeanRegistry.destroySingletons(DefaultSingletonBeanRegistry.java:512) Destroying singletons in org.springframework.beans.factory.support.DefaultListableBeanFactory@43195e57: defining beans [org.springframework.context.annotation.internalConfigurationAnnotationProcessor,org.springframework.context.annotation.internalAutowiredAnnotationProcessor,org.springframework.context.annotation.internalRequiredAnnotationProcessor,org.springframework.context.event.internalEventListenerProcessor,org.springframework.context.event.internalEventListenerFactory,appconfig,userDaoNormal,userServiceNormal]; root of factory hierarchy

?

總結

以上是生活随笔為你收集整理的spring学习（27）:通过setter依赖注入的全部內容，希望文章能夠幫你解決所遇到的問題。

如果覺得生活随笔網站內容還不錯，歡迎將生活随笔推薦給好友。