Spring整合了Springmvc后,再整合mybaties.
首先,依旧是添加依赖:
整合mybaties需要添加的依赖有:
<!-- 2.Spring dao依赖 --> <!--mybatis依赖--> <!--Mybatis核心包--> <dependency> <groupId>org.mybatis</groupId> <artifactId>mybatis</artifactId> <version>${mybatis.version}</version> </dependency> <!--Mybatis与spring整合包--> <dependency> <groupId>org.mybatis</groupId> <artifactId>mybatis-spring</artifactId> <version>1.2.2</version> </dependency> <!--mybatis依赖结束--> <!--mysql依赖--> <!-- spring-jdbc包括了一些如jdbcTemplate的工具类 --> <dependency> <groupId>org.springframework</groupId> <artifactId>spring-jdbc</artifactId> <version>${spring.version}</version> </dependency> <!-- 导入Mysql数据库链接jar包 --> <dependency> <groupId>mysql</groupId> <artifactId>mysql-connector-java</artifactId> <version>5.1.44</version> </dependency> <!--mysql依赖--> <!--阿里巴巴druid数据源依赖--> <dependency> <groupId>com.alibaba</groupId> <artifactId>druid</artifactId> <version>1.0.29</version> </dependency>此时,整个SSM框架完整的pom.xml:
<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/maven-v4_0_0.xsd"> <modelVersion>4.0.0</modelVersion> <groupId>com.happy</groupId> <artifactId>sunshine</artifactId> <packaging>war</packaging> <version>1.0-SNAPSHOT</version> <name>sunshine Maven Webapp</name> <url>http://maven.apache.org</url> <properties> <!-- spring版本号 --> <spring.version>4.0.2.RELEASE</spring.version> <!-- mybatis版本号 --> <mybatis.version>3.2.6</mybatis.version> <!-- log4j日志文件管理包版本 --> <slf4j.version>1.7.22</slf4j.version> <log4j.version>1.7.22</log4j.version> <!--jackson--> <jackson.version>2.6.7</jackson.version> </properties> <dependencies> <dependency> <groupId>junit</groupId> <artifactId>junit</artifactId> <version>4.11</version> <!--<scope>test</scope>--> </dependency> <!-- Spring依赖 --> <!-- 1.Spring核心依赖 --> <dependency> <groupId>org.springframework</groupId> <artifactId>spring-core</artifactId> <version>${spring.version}</version> </dependency> <dependency> <groupId>org.springframework</groupId> <artifactId>spring-beans</artifactId> <version>${spring.version}</version> </dependency> <dependency> <groupId>org.springframework</groupId> <artifactId>spring-context</artifactId> <version>${spring.version}</version> </dependency> <dependency> <groupId>org.springframework</groupId> <artifactId>spring-tx</artifactId> <version>${spring.version}</version> </dependency> <!-- 2.Spring dao依赖 --> <!--mybatis依赖--> <!--Mybatis核心包--> <dependency> <groupId>org.mybatis</groupId> <artifactId>mybatis</artifactId> <version>${mybatis.version}</version> </dependency> <!--Mybatis与spring整合包--> <dependency> <groupId>org.mybatis</groupId> <artifactId>mybatis-spring</artifactId> <version>1.2.2</version> </dependency> <!--mybatis依赖结束--> <!--mysql依赖--> <!-- spring-jdbc包括了一些如jdbcTemplate的工具类 --> <dependency> <groupId>org.springframework</groupId> <artifactId>spring-jdbc</artifactId> <version>${spring.version}</version> </dependency> <!-- 导入Mysql数据库链接jar包 --> <dependency> <groupId>mysql</groupId> <artifactId>mysql-connector-java</artifactId> <version>5.1.44</version> </dependency> <!--mysql依赖--> <!--阿里巴巴druid数据源依赖--> <dependency> <groupId>com.alibaba</groupId> <artifactId>druid</artifactId> <version>1.0.29</version> </dependency> <!-- 3.Spring web依赖 --> <dependency> <groupId>org.springframework</groupId> <artifactId>spring-web</artifactId> <version>${spring.version}</version> </dependency> <!-- spring mvc 框架 --> <dependency> <groupId>org.springframework</groupId> <artifactId>spring-webmvc</artifactId> <version>${spring.version}</version> </dependency> <!-- 4.Spring test依赖:方便做单元测试和集成测试 --> <dependency> <groupId>org.springframework</groupId> <artifactId>spring-test</artifactId> <version>${spring.version}</version> </dependency> <!--支持servlet--> <dependency> <groupId>javax.servlet</groupId> <artifactId>servlet-api</artifactId> <version>2.5</version> <scope>provided</scope> </dependency> <!--日志--> <!-- SLF4J API --> <!-- SLF4J 是一个日志抽象层,允许你使用任何一个日志系统,并且可以随时切换还不需要动到已经写好的程序 --> <dependency> <groupId>org.slf4j</groupId> <artifactId>slf4j-api</artifactId> <version>${slf4j.version}</version> </dependency> <!-- Log4j 日志系统(最常用) --> <dependency> <groupId>org.slf4j</groupId> <artifactId>slf4j-log4j12</artifactId> <version>${log4j.version}</version> </dependency> <!-- jackson json的处理依赖--> <!--jackson-databind依赖另外两个jackson-core,jackson-annotations,故另外两个可以不引用--> <dependency> <groupId>com.fasterxml.jackson.core</groupId> <artifactId>jackson-databind</artifactId> <version>${jackson.version}</version> </dependency> </dependencies> <build> <finalName>sunshine</finalName> </build> </project>添加spring-mybaties.xml 配置mybaties相关:
<?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 http://www.springframework.org/schema/beans/spring-beans-3.1.xsd http://www.springframework.org/schema/context http://www.springframework.org/schema/context/spring-context-3.1.xsd"> <!-- 引入配置文件 --> <bean id="propertyConfigurer" class="org.springframework.beans.factory.config.PropertyPlaceholderConfigurer"> <property name="location" value="classpath:jdbc.properties" /> </bean> <!-- 加载jdbc.properties文件 --> <context:property-placeholder location="classpath*:*.properties" file-encoding="UTF-8"/> <!-- 数据库连接池,数据源配置--> <bean id="dataSource" class="com.alibaba.druid.pool.DruidDataSource" destroy-method="close"> <property name="driverClassName" value="${driver}" /> <property name="url" value="${url}" /> <property name="username" value="${username}" /> <property name="password" value="${password}" /> <!-- 初始化连接大小 --> <property name="initialSize" value="${initialSize}"></property> <!-- 连接池最大数量 --> <property name="maxActive" value="${maxActive}"></property> <!-- 连接池最大空闲 --> <property name="maxIdle" value="${maxIdle}"></property> <!-- 连接池最小空闲 --> <property name="minIdle" value="${minIdle}"></property> <!-- 获取连接最大等待时间 --> <property name="maxWait" value="${maxWait}"></property> </bean> <!-- spring和MyBatis完美整合,不需要mybatis的配置映射文件 --> <bean id="sqlSessionFactory" class="org.mybatis.spring.SqlSessionFactoryBean"> <property name="dataSource" ref="dataSource" /> <!-- 自动扫描mapping.xml文件 --> <property name="mapperLocations" value="classpath:mapping/*.xml"></property> </bean> <!-- DAO接口所在包名,Spring会自动查找其下的类 --> <bean class="org.mybatis.spring.mapper.MapperScannerConfigurer"> <property name="basePackage" value="com.happy.dao" /> <property name="sqlSessionFactoryBeanName" value="sqlSessionFactory"></property> </bean> <!-- (事务管理)transaction manager, use JtaTransactionManager for global tx --> <bean id="transactionManager" class="org.springframework.jdbc.datasource.DataSourceTransactionManager"> <property name="dataSource" ref="dataSource" /> </bean> </beans>当然,还需要jdbc.properties,配置数据库连接池相关:
driver=com.mysql.jdbc.Driver url=jdbc:mysql://localhost:3306/sunshine username=root password=123456 #定义初始连接数 initialSize=0 #定义最大连接数 maxActive=20 #定义最大空闲 maxIdle=20 #定义最小空闲 minIdle=1 #定义最长等待时间 maxWait=60000applicationContext.xml中需要将mybaties的配置文件引入:
<context:component-scan base-package="com.happy"/> <!-- 引入mybatis的配置文件--> <import resource="spring-mybatis.xml"/> <import resource="spring-mvc.xml"/>
或者在web.xml中引入所有的xml文件:
<!--配置spring--> <context-param> <param-name>contextConfigLocation</param-name> <!--配置文件的路径--> <param-value> classpath:applicationContext.xml, classpath:spring-mybatis.xml </param-value> </context-param>
至此,配置文件搞定,接下来需要处理dao的文件:
自动生成所需的Dao,bean,和mapping文件,这里有一个自动生成的工具 代码自动生成工具 然后放到对应目录下
习惯上会把dao下面的BookMapper改成BookDao 那么 此时,在BookMapper.xml中的namespace的属性值也需要改.
每个MyBatis应用程序主要都是使用SqlSessionFactory实例的,一个SqlSessionFactory实例可以通过SqlSessionFactoryBuilder获得。
SqlSessionFactoryBuilder可以从一个xml配置文件或者一个预定义的配置类的实例获得
生成了的文件放到指定位置后,整合完成.
dao类添加@Repository 即可