spring学习（27）:通过setter依赖注入

目录结构

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

### 设置###
log4j.rootLogger = ERROR,stdout### 输出信息到控制抬 ###
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类

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("创建UserDao对象");return  new UserDaoNormal();}@Beanpublic UserServiceNormal userServiceNormal(UserDao userDao){System.out.println("创建userservice对象");UserServiceNormal userService=new UserServiceNormal();userService.setUserDao(userDao);return  userService;}
}

userservice类

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("添加到数据库中...");}
}

Userdao

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

UserServiceNormal类

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类

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

UserServiceTest类

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();}
}

运行结果

[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'
创建UserDao对象
[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'
创建userservice对象
[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'
添加到数据库中...
[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

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