spring

导入依赖pom.xml

 <properties><project.build.sourceEncoding>UTF-8</project.build.sourceEncoding><maven.compiler.source>1.8</maven.compiler.source><maven.compiler.target>1.8</maven.compiler.target><spring.version>5.2.9.RELEASE</spring.version><slf4j.version>1.6.6</slf4j.version><log4j.version>1.2.12</log4j.version><mysql.version>5.1.6</mysql.version><mybatis.version>3.4.5</mybatis.version></properties><dependencies><!-- spring --><dependency><groupId>org.aspectj</groupId><artifactId>aspectjweaver</artifactId><version>1.6.8</version></dependency><dependency><groupId>org.springframework</groupId><artifactId>spring-aop</artifactId><version>${spring.version}</version></dependency><dependency><groupId>org.springframework</groupId><artifactId>spring-context</artifactId><version>${spring.version}</version></dependency><dependency><groupId>org.springframework</groupId><artifactId>spring-web</artifactId><version>${spring.version}</version></dependency><dependency><groupId>org.springframework</groupId><artifactId>spring-webmvc</artifactId><version>${spring.version}</version></dependency><dependency><groupId>org.springframework</groupId><artifactId>spring-test</artifactId><version>${spring.version}</version></dependency><dependency><groupId>org.springframework</groupId><artifactId>spring-tx</artifactId><version>${spring.version}</version></dependency><dependency><groupId>org.springframework</groupId><artifactId>spring-jdbc</artifactId><version>${spring.version}</version></dependency><dependency><groupId>junit</groupId><artifactId>junit</artifactId><version>4.12</version><scope>test</scope></dependency><dependency><groupId>mysql</groupId><artifactId>mysql-connector-java</artifactId><version>${mysql.version}</version></dependency><dependency><groupId>javax.servlet</groupId><artifactId>servlet-api</artifactId><version>2.5</version><scope>provided</scope></dependency><dependency><groupId>javax.servlet.jsp</groupId><artifactId>jsp-api</artifactId><version>2.0</version><scope>provided</scope></dependency><dependency><groupId>jstl</groupId><artifactId>jstl</artifactId><version>1.2</version></dependency><!-- log start --><dependency><groupId>log4j</groupId><artifactId>log4j</artifactId><version>${log4j.version}</version></dependency><dependency><groupId>org.slf4j</groupId><artifactId>slf4j-api</artifactId><version>${slf4j.version}</version></dependency><dependency><groupId>org.slf4j</groupId><artifactId>slf4j-log4j12</artifactId><version>${slf4j.version}</version></dependency></dependencies>

创建applicationContext文件

<?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"xmlns:aop="http://www.springframework.org/schema/aop"xmlns:tx="http://www.springframework.org/schema/tx"xsi:schemaLocation="http://www.springframework.org/schema/beanshttp://www.springframework.org/schema/beans/spring-beans.xsdhttp://www.springframework.org/schema/contexthttp://www.springframework.org/schema/context/spring-context.xsdhttp://www.springframework.org/schema/aophttp://www.springframework.org/schema/aop/spring-aop.xsdhttp://www.springframework.org/schema/txhttp://www.springframework.org/schema/tx/spring-tx.xsd"><context:component-scan base-package="com.lyf"><!--controller是由springmvc来扫描，需要将controller排除在外--><context:exclude-filter type="annotation" expression="org.springframework.stereotype.Controller"/></context:component-scan></beans>

导入log4j文件 log4j.properties

# Global logging configuration
log4j.rootLogger=DEBUG, stdout
# Console output...
log4j.appender.stdout=org.apache.log4j.ConsoleAppender
log4j.appender.stdout.layout=org.apache.log4j.PatternLayout
log4j.appender.stdout.layout.ConversionPattern=%5p [%t] - %m%n

TestService

@RunWith(SpringJUnit4ClassRunner.class)
@ContextConfiguration("classpath:applicationContext.xml")public class TestService {private static final Logger log = Logger.getLogger(TestService.class.getName());@AutowiredIPersonService iPersonService;@Testpublic void test01(){List<Person> list=iPersonService.findAll();log.info(list+"list");Person person = new Person("jack",200.00);iPersonService.save(person);}}

IPersonService

public interface IPersonService {List<Person> findAll();void save(Person person);
}

PersonServiceimpl

@Service
public class PersonServiceimpl implements IPersonService {@AutowiredIPersonDao iPersonDao;@Overridepublic List<Person> findAll() {List<Person> list = iPersonDao.findAll();return list;}@Overridepublic void save(Person person) {iPersonDao.save(person);}
}

IPersonDao

public interface IPersonDao {List<Person> findAll();void save(Person person);
}

PersonDaoimpl

@Repository
public class PersonDaoimpl implements IPersonDao {@Overridepublic List<Person> findAll() {System.out.println("nihao");return null;}@Overridepublic void save(Person person) {System.out.println( "save");}
}

springmvc

在web.xml文件中配置前端控制器，过滤器，监听器并且添加配置文件的信息

    <!--设置配置文件的路径  service dao--><context-param><param-name>contextConfigLocation</param-name><param-value>classpath:applicationContext.xml</param-value></context-param><!--解决中文乱码的过滤器--><filter><filter-name>characterEncodingFilter</filter-name><filter-class>org.springframework.web.filter.CharacterEncodingFilter</filter-class><init-param><param-name>encoding</param-name><param-value>UTF-8</param-value></init-param></filter><filter-mapping><filter-name>characterEncodingFilter</filter-name><url-pattern>/*</url-pattern></filter-mapping><!--配置Spring的监听器，默认只加载WEB-INF目录下的applicationContext.xml配置文件--><listener><listener-class>org.springframework.web.context.ContextLoaderListener</listener-class></listener><!--配置前端控制器  controller--><servlet><servlet-name>dispatcherServlet</servlet-name><servlet-class>org.springframework.web.servlet.DispatcherServlet</servlet-class><!--加载springmvc.xml配置文件--><init-param><param-name>contextConfigLocation</param-name><param-value>classpath:springmvc.xml</param-value></init-param><!--启动服务器，创建该servlet--><load-on-startup>1</load-on-startup></servlet><servlet-mapping><servlet-name>dispatcherServlet</servlet-name><url-pattern>/</url-pattern></servlet-mapping>

springmvc.xml配置文件
开启组件扫描，配置视图解析器，配置静态资源

<?xml version="1.0" encoding="UTF-8"?>
<beans xmlns="http://www.springframework.org/schema/beans"xmlns:mvc="http://www.springframework.org/schema/mvc" xmlns:context="http://www.springframework.org/schema/context"xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"xsi:schemaLocation="http://www.springframework.org/schema/beanshttp://www.springframework.org/schema/beans/spring-beans.xsdhttp://www.springframework.org/schema/mvchttp://www.springframework.org/schema/mvc/spring-mvc.xsdhttp://www.springframework.org/schema/contexthttp://www.springframework.org/schema/context/spring-context.xsd"><!--springmvc是web层  UserController  @Controller --><!-- 打开组件扫描--><context:component-scan base-package="com.lyf"><!-- 只处理带@Controller的请求--><context:include-filter type="annotation" expression="org.springframework.stereotype.Controller"/></context:component-scan><!--配置的视图解析器对象 /WEB-INF/pages/success.jsp --><bean id="internalResourceViewResolver" class="org.springframework.web.servlet.view.InternalResourceViewResolver"><property name="prefix" value="/WEB-INF/pages/"/><property name="suffix" value=".jsp"/></bean><!--过滤静态资源   .js .css png--><mvc:resources location="/css/" mapping="/css/**" /><mvc:resources location="/images/" mapping="/images/**" /><mvc:resources location="/js/" mapping="/js/**" /><!--开启SpringMVC注解的支持 @RequestMapping @RequestBody @ResponseBody--><mvc:annotation-driven/>
</beans>

测试Personcontroller

@Controller
public class Personcontroller {@RequestMapping("list")public String test01(Model model){ArrayList<Person> list = new ArrayList<>();Person person = new Person("小明",1000.00);Person person1 = new Person("小红",1000.00);Person person2 = new Person("小白",1000.00);list.add(person);list.add(person1);list.add(person2);model.addAttribute("list",list);return "list";}
}

list.jsp

<table border="1px" width="100%"><c:forEach items="${list}" var="preson"><tr><td>${preson.name}</td><td>${preson.money}</td></tr></c:forEach>
</table>

mybatis
四大基本信息

<?xml version="1.0" encoding="UTF-8" ?>
<!DOCTYPE configurationPUBLIC "-//mybatis.org//DTD Config 3.0//EN""http://mybatis.org/dtd/mybatis-3-config.dtd">
<!--dtd是对xml配置标签与属性的约束-->
<configuration><settings><setting name="lazyLoadingEnabled" value="true" /><setting name="aggressiveLazyLoading" value="false"/></settings><typeAliases><package name="com.lyf.domain"/></typeAliases><!--    environments环境  开发环境，生产环境--><environments default="development"><environment id="development"><!--    使用jdbc的事务管理  --><transactionManager type="JDBC"/><!--    dataSource Mybatis自带数据源连接池--><dataSource type="POOLED"><!--    四大信息 --><property name="driver" value="com.mysql.jdbc.Driver"/><property name="url" value="jdbc:mysql://localhost:3306/ssm?characterEncoding=utf-8"/><property name="username" value="root"/><property name="password" value="123456"/></dataSource></environment></environments><!-- 配置多个映射文件--><mappers><mapper resource="com\lyf\dao\IPersonDao.xml"></mapper><!--     <package name="com.lyf.dao"/>--></mappers>
</configuration>

pom.xml文件依赖

<dependency><groupId>org.mybatis</groupId><artifactId>mybatis</artifactId><version>${mybatis.version}</version>
</dependency>

IPersonDao.xml

<?xml version="1.0" encoding="UTF-8" ?>
<!DOCTYPE mapperPUBLIC "-//mybatis.org//DTD Mapper 3.0//EN""http://mybatis.org/dtd/mybatis-3-mapper.dtd">
<mapper namespace="com.lyf.dao.IPersonDao"><select id="findAll" resultType="person">select * from person where id=#{id}
</select>
</mapper>

TestMybatis

public class TestMybatis {private SqlSession sqlSession;@AutowiredIPersonDao personDao;@Beforepublic void init(){//加载配置文件InputStream resourceAsStream = TestMybatis.class.getClassLoader().getResourceAsStream("SqlMapConfig.xml");//由SqlSessionFactoryBuilder创建SqlSessionFactorySqlSessionFactory sqlSessionFactory = new SqlSessionFactoryBuilder().build(resourceAsStream);sqlSession= sqlSessionFactory.openSession();}@Afterpublic void destory(){sqlSession.commit();sqlSession.close();}@Testpublic void test01(){IPersonDao mapper = sqlSession.getMapper(IPersonDao.class);List<Person> list1 = mapper.findAll(1);System.out.println(list1);}}

spring与mybatis的整合

（1）Spring整合MyBatis需要添加整合包
（2）什么是mybatis-spring
MyBatis-Spring 会帮助你将 MyBatis 代码无缝地整合到 Spring 中。它将允许 MyBatis 参与到 Spring 的事务管理之中，创建映射器 mapper 和 SqlSession 并注入到 bean 中
不需要调用 session.getMapper(IpersonDao.class)
session.commit()
session.close()

pom.xml

 <dependency><groupId>org.mybatis</groupId><artifactId>mybatis-spring</artifactId><version>1.3.0</version></dependency>

applicationContext.xml配置

<!--数据源--><bean id="dataSource" class="com.mchange.v2.c3p0.ComboPooledDataSource"><property name="jdbcUrl" value="jdbc:mysql://localhost:3306/ssm"></property><property name="driverClass" value="com.mysql.jdbc.Driver"></property><property name="user" value="root"></property><property name="password" value="123456"></property></bean><!--session工厂 --><bean id="sqlSessionFactory"  class="org.mybatis.spring.SqlSessionFactoryBean"><property name="dataSource" ref="dataSource"/><!-- com.wzx.domain.Person  person--><property name="typeAliasesPackage" value="com.lyf.domain"/></bean><!--xml--><bean id="mapperScanner" class="org.mybatis.spring.mapper.MapperScannerConfigurer"><property name="basePackage" value="com.lyf.dao"/><property name="sqlSessionFactoryBeanName" value="sqlSessionFactory"/></bean><!--事物管理器 --><bean id="transactionManager" class="org.springframework.jdbc.datasource.DataSourceTransactionManager"><property name="dataSource" ref="dataSource"/></bean>

TetsDasource

@RunWith(SpringJUnit4ClassRunner.class)
@ContextConfiguration("classpath:applicationContext.xml")
public class TetsDasource {@AutowiredIPersonDao iPersonDao;@Testpublic void test01(){List<Person> list = iPersonDao.findAll();System.out.println(list);}}

事物管理配置

<!--事物管理器 --><bean id="transactionManager" class="org.springframework.jdbc.datasource.DataSourceTransactionManager"><property name="dataSource" ref="dataSource"/></bean><!--配置事物的隔离级别--><tx:advice id="txAdvice" transaction-manager="transactionManager"><tx:attributes><tx:method name="find*" read-only="true"/><tx:method name="*" isolation="DEFAULT"/></tx:attributes></tx:advice><!--配置AOP增强--><aop:config><aop:pointcut id="service" expression="execution(* com.lyf.service.impl.*Serviceimpl.*(..))"/><aop:advisor advice-ref="txAdvice" pointcut-ref="service"></aop:advisor>
</aop:config>

测试

    @Testpublic void test02() {List<Person> personList = new ArrayList<>();personList.add(new Person("jac2k", 100.00));personList.add(new Person("ros2e", 200.00));personList.add(new Person("ton2y", 300.00));iPersonService.savePersons(personList);}

savePersons

  public void savePersons(List<Person> personList) {for (int i=0;i<personList.size();i++){iPersonDao.save(personList.get(i));}}