一、创建maven项目,配置pom.xml文件(添加相关依赖,按需使用):
<!--以值替代名称,Properties可以在整个POM中使用。格式是<name>value</name>。 --> <properties> <!-- spring版本号 --> <spring.version>4.3.4.RELEASE</spring.version> <!-- mybatis版本号 --> <mybatis.version>3.4.1</mybatis.version> </properties> <dependencies> <!--单元测试依赖 --> <dependency> <groupId>junit</groupId> <artifactId>junit</artifactId> <version>4.12</version> <scope>test</scope> </dependency> <!-- 日志文件管理依赖 --> <!-- java日志:slf4j,log4j,logback,common-logging slf4j 是规范/接口 日志实现:log4j,logback,common-logging --> <!-- log start --> <dependency> <groupId>org.slf4j</groupId> <artifactId>slf4j-api</artifactId> <version>1.7.12</version> </dependency> <dependency> <groupId>ch.qos.logback</groupId> <artifactId>logback-core</artifactId> <version>1.1.1</version> </dependency> <dependency> <groupId>ch.qos.logback</groupId> <artifactId>logback-classic</artifactId> <version>1.1.1</version> </dependency> <!-- log end --> <!-- 数据库相关依赖 --> <!-- 数据库驱动 --> <dependency> <groupId>mysql</groupId> <artifactId>mysql-connector-java</artifactId> <version>5.1.35</version> </dependency> <!-- c3p0数据库连接池 --> <dependency> <groupId>c3p0</groupId> <artifactId>c3p0</artifactId> <version>0.9.1.2</version> </dependency> <!--DAO框架:mybatis依赖 --> <dependency> <groupId>org.mybatis</groupId> <artifactId>mybatis</artifactId> <version>${mybatis.version}</version> </dependency> <!-- mybatis自身实现的spring整合依赖 --> <dependency> <groupId>org.mybatis</groupId> <artifactId>mybatis-spring</artifactId> <version>1.3.0</version> </dependency> <!-- Servlet Web相关依赖 --> <!-- 标准标签库依赖 --> <dependency> <groupId>taglibs</groupId> <artifactId>standard</artifactId> <version>1.1.2</version> </dependency> <!-- JSTL标签类 --> <dependency> <groupId>jstl</groupId> <artifactId>jstl</artifactId> <version>1.2</version> </dependency> <!-- JSON依赖 --> <dependency> <groupId>com.fasterxml.jackson.core</groupId> <artifactId>jackson-databind</artifactId> <version>2.5.4</version> </dependency> <dependency> <groupId>org.codehaus.jackson</groupId> <artifactId>jackson-mapper-asl</artifactId> <version>1.9.13</version> </dependency> <!-- jsp依赖 --> <dependency> <groupId>javax.servlet</groupId> <artifactId>javax.servlet-api</artifactId> <version>3.1.0</version> </dependency> <dependency> <groupId>javax.servlet.jsp</groupId> <artifactId>jsp-api</artifactId> <version>2.2.1-b03</version> </dependency> <!-- Spring start --> <!-- Spring 核心依赖 --> <dependency> <groupId>org.springframework</groupId> <artifactId>spring-core</artifactId> <version>${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-context-support</artifactId> <version>${spring.version}</version> </dependency> <!-- Spring DAO层依赖 --> <dependency> <groupId>org.springframework</groupId> <artifactId>spring-jdbc</artifactId> <version>${spring.version}</version> </dependency> <dependency> <groupId>org.springframework</groupId> <artifactId>spring-tx</artifactId> <version>${spring.version}</version> </dependency> <!-- Spring web相关依赖 --> <dependency> <groupId>org.springframework</groupId> <artifactId>spring-web</artifactId> <version>${spring.version}</version> </dependency> <dependency> <groupId>org.springframework</groupId> <artifactId>spring-webmvc</artifactId> <version>${spring.version}</version> </dependency> <!--spring单元测试依赖 --> <dependency> <groupId>org.springframework</groupId> <artifactId>spring-test</artifactId> <version>${spring.version}</version> <scope>test</scope> </dependency> <!-- Spring AOP依赖 --> <dependency> <groupId>org.springframework</groupId> <artifactId>spring-aop</artifactId> <version>${spring.version}</version> </dependency> <dependency> <groupId>org.springframework</groupId> <artifactId>spring-aspects</artifactId> <version>${spring.version}</version> </dependency> <!-- Spring end --> <!-- redis客户端 --> <dependency> <groupId>redis.clients</groupId> <artifactId>jedis</artifactId> <version>2.9.0</version> </dependency> <!-- 序列化组件(protostuff)依赖 --> <dependency> <groupId>com.dyuproject.protostuff</groupId> <artifactId>protostuff-core</artifactId> <version>1.0.10</version> </dependency> <dependency> <groupId>com.dyuproject.protostuff</groupId> <artifactId>protostuff-runtime</artifactId> <version>1.0.7</version> </dependency> <dependency> <groupId>commons-collections</groupId> <artifactId>commons-collections</artifactId> <version>3.2.1</version> </dependency> <!-- 上传组件依赖 --> <dependency> <groupId>commons-fileupload</groupId> <artifactId>commons-fileupload</artifactId> <version>1.3.2</version> </dependency> <dependency> <groupId>commons-io</groupId> <artifactId>commons-io</artifactId> <version>2.4</version> </dependency> <dependency> <groupId>commons-codec</groupId> <artifactId>commons-codec</artifactId> <version>1.9</version> </dependency> </dependencies>
二、配置mybatis全局配置文件(mybatis-config.xml配置):
<configuration> <!-- 配置全局属性 --> <settings> <!-- 允许 JDBC 支持自动生成主键 --> <setting name="useGeneratedKeys" value="true"/> <!-- 使用列标签代替列名 --> <setting name="useColumnLabel" value="true"/> <!-- 开启自动驼峰命名规则 --> <setting name="mapUnderscoreToCamelCase" value="true"/> </settings> </configuration>三、Spring整合Mybatis(spring-dao.xml配置):
1)加载资源文件(连接数据库相关信息)
2)配置数据库连接池
3)配置SqlSessionFactory(注入数据源,mybatis主配置文件以及映射文件)
4)动态实现dao接口
<!-- spring配置整合mybatics过程 --> <!-- 1.配置数据库相关参数 --> <!-- 1)加载资源文件 --> <context:property-placeholder location="classpath:jdbc.properties" /> <!-- 2)配置c3p0连接池 --> <bean id="dataSource" class="com.mchange.v2.c3p0.ComboPooledDataSource"> <property name="driverClass" value="${jdbc.driverClass}"></property> <property name="jdbcUrl" value="${jdbc.jdbcUrl}"></property> <property name="user" value="${jdbc.user}"></property> <property name="password" value="${jdbc.password}"></property> <!-- c3p0连接池的私有属性 --> <!--连接池中保留的最大连接数和最小连接数。Default: 15 --> <property name="maxPoolSize" value="30"></property> <property name="minPoolSize" value="10"></property> <!-- 获取连接超时时间 ,单位毫秒 --> <property name="checkoutTimeout" value="1000"></property> <!-- 当获取连接失败重试次数 --> <property name="acquireRetryAttempts" value="2"></property> <!-- 关闭连接后不自动commit --> <property name="autoCommitOnClose" value="false"></property> </bean> <!-- 2.配置sqlSessionFactory对象 --> <bean id="sqlSessionFaction" class="org.mybatis.spring.SqlSessionFactoryBean"> <!-- 注入数据库连接池 --> <property name="dataSource" ref="dataSource"></property> <!-- 加载mybatis全局配置文件 --> <property name="configLocation" value="classpath:mybatis/mybatis-config.xml"></property> <!-- 加载mybatis映射文件 --> <property name="mapperLocations" value="classpath:mybatis/mapper/*.xml"></property> <!-- 类注册别名(注册后可以直接使用类名,而不用使用全限定的类名(就是不用包含包名)。) --> <property name="typeAliasesPackage" value="com.entity"></property> </bean> <!-- 3.配置扫描DAO接口包,动态实现DAO接口,注入到Spring容器中 --> <bean class="org.mybatis.spring.mapper.MapperScannerConfigurer"> <!-- 注入sqlSessionFaction --> <property name="sqlSessionFactoryBeanName" value="sqlSessionFaction"></property> <!-- 扫描的DAO接口 --> <property name="basePackage" value="com.dao"></property> </bean>四、Spring的业务层配置( spring-service.xml配置):
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1)扫描包(扫描注解)
2)配置事务
<!-- 开启包扫描(扫描指定的包中的类上的注解) --> <context:component-scan base-package="com.service" /> <!-- 配置事务管理器 --> <bean id="transactionManager" class="org.springframework.jdbc.datasource.DataSourceTransactionManager"> <!-- 注入数据库连接池 --> <property name="dataSource" ref="dataSource" /> </bean> <!-- 开启事务的注解支持 --> <tx:annotation-driven transaction-manager="transactionManager" />
常用的注解有:
@Controller 声明Action组件
@Service 声明Service组件 @Service("myMovieLister")
@Repository 声明Dao组件
@Component 泛指组件, 当不好归类时.
@RequestMapping("/menu") 请求映射
@Resource 用于注入,( j2ee提供的 ) 默认按名称装配,@Resource(name="beanName")
@Autowired 用于注入,(srping提供的) 默认按类型装配
@Transactional( rollbackFor={Exception.class}) 事务管理
@ResponseBody
@Scope("prototype") 设定bean的作用域
1)开启springMVC注解支持
2)开启springMVC静态资源处理
3)jsp显示相关配置
4)扫描包(扫描注解)
<!-- 配置SpringMVC --> <!-- 1.开启SpringMVC注解支持 --> <mvc:annotation-driven /> <!-- 2.静态资源处理默认servlet配置 --> <mvc:default-servlet-handler /> <!-- 3.配置jsp 显示ViewResolver --> <bean class="org.springframework.web.servlet.view.InternalResourceViewResolver"> <property name="viewClass" value="org.springframework.web.servlet.view.JstlView" /> <property name="prefix" value="/WEB-INF/jsp/" /> <property name="suffix" value=".jsp" /> </bean> <!-- 4.开启包扫描(扫描指定的包中的类上的注解) --> <context:component-scan base-package="com.web" />六、web.xml配置:
1)字符集编码配置(可选)
2)静态资源处理配置(可选)
3)配置DispatcherServlet(必须)
<!-- 设置字符集编码(解决从jsp到controller中文乱码问题 --> <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> <init-param> <param-name>forceEncoding</param-name> <param-value>true</param-value> </init-param> </filter> <filter-mapping> <filter-name>characterEncodingFilter</filter-name> <url-pattern>/*</url-pattern> </filter-mapping> <!-- 配置对静态资源的处理 --> <servlet-mapping> <servlet-name>default</servlet-name> <url-pattern>*.css</url-pattern> </servlet-mapping> <servlet-mapping> <servlet-name>default</servlet-name> <url-pattern>*.js</url-pattern> </servlet-mapping> <servlet-mapping> <servlet-name>default</servlet-name> <url-pattern>*.jpg</url-pattern> </servlet-mapping> <!-- 配置DispatcherServlet --> <servlet> <servlet-name>dispatcher</servlet-name> <servlet-class>org.springframework.web.servlet.DispatcherServlet</servlet-class> <!-- 初始化参数 --> <!-- 加载配置文件 --> <init-param> <param-name>contextConfigLocation</param-name> <param-value>classpath:spring/spring-*.xml</param-value> </init-param> <load-on-startup>1</load-on-startup> </servlet> <servlet-mapping> <servlet-name>dispatcher</servlet-name> <url-pattern>/</url-pattern> </servlet-mapping>