SpringMVC(二)

时间:2024-01-15 16:07:08

今天在完成的工作的前提下,最终在睡觉前将SpringMVC和Mybatis整合了~~~

其实就是按照从网上(参考http://www.toutiao.com/a6332703083554324737/)找到的教程自己做了一回,我的习惯是先做然后再深究:

1、创建工程(marven工程);

2、创建所需要的目录(如图):

SpringMVC(二)

3、各个文件所需要的代码如下:

(1)spring-dao.xml

<?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.xsd
http://www.springframework.org/schema/context
http://www.springframework.org/schema/context/spring-context.xsd">
<!-- 配置整合mybatis过程 -->
<!-- 1.配置数据库相关参数properties的属性:${url} -->
<!-- 使用数据库配置文件解耦 -->
<context:property-placeholder location="classpath:jdbc.properties"/>
<!-- 下面的druid配置都是基本配置,具体优化设置可以上网查询,也可以去github上面直接搜索druid -->
<!-- 2.数据库连接池 -->
<bean id="dataSource" class="com.alibaba.druid.pool.DruidDataSource"
init-method="init" destroy-method="close">
<!-- 配置连接池属性 -->
<property name="driverClassName" value="${jdbc.driver}"/>
<property name="url" value="${jdbc.url}"/>
<property name="username" value="${jdbc.username}"/>
<property name="password" value="${jdbc.password}"/>
<!-- 配置初始化大小、最小、最大 -->
<property name="initialSize" value="1" />
<property name="minIdle" value="1" />
<property name="maxActive" value="10" />
<!-- 配置获取连接等待超时的时间 -->
<property name="maxWait" value="10000" />
<!-- 配置间隔多久才进行一次检测,检测需要关闭的空闲连接,单位是毫秒 -->
<property name="timeBetweenEvictionRunsMillis" value="60000" />
<!-- 配置一个连接在池中最小生存的时间,单位是毫秒 -->
<property name="minEvictableIdleTimeMillis" value="300000" />
<property name="testWhileIdle" value="true" />
<!-- 这里建议配置为TRUE,防止取到的连接不可用 -->
<property name="testOnBorrow" value="true" />
<property name="testOnReturn" value="false" />
<!-- 打开PSCache,并且指定每个连接上PSCache的大小 -->
<property name="poolPreparedStatements" value="true" />
<property name="maxPoolPreparedStatementPerConnectionSize"
value="20" />
<!-- 这里配置提交方式,默认就是TRUE,可以不用配置 -->
<property name="defaultAutoCommit" value="true" />
<!-- 验证连接有效与否的SQL,不同的数据配置不同 -->
<property name="validationQuery" value="select 1 " />
<property name="filters" value="stat" />
<property name="proxyFilters">
<list>
<ref bean="logFilter" />
</list>
</property>
</bean>
<!-- 3.配置SqlSessionFactory对象 -->
<bean id="sqlSessionFactory" class="org.mybatis.spring.SqlSessionFactoryBean">
<!-- 注入数据库连接池 -->
<property name="dataSource" ref="dataSource"/>
<!-- 配置MyBaties全局配置文件:mybatis-config.xml -->
<property name="configLocation" value="classpath:mybatis-config.xml"/>
<!-- 扫描entity包 使用别名 -->
<!-- cn.acheng1314是我的应用程序的包名,你们需要使用你们自己的包名,也就是前面我们提到过的GroupId -->
<property name="typeAliasesPackage" value="cn.acheng1314.domain"/>
<!-- 扫描sql配置文件:mapper需要的xml文件 -->
<property name="mapperLocations" value="classpath:mapper/*.xml"/>
</bean>
<!-- 4.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sqlSessionFactory -->
<property name="sqlSessionFactoryBeanName" value="sqlSessionFactory"/>
<!-- 给出需要扫描Dao接口包 -->
<property name="basePackage" value="cn.acheng1314.dao"/>
</bean>
<!-- 上面的druid的配置 -->
<bean id="logFilter" class="com.alibaba.druid.filter.logging.Slf4jLogFilter">
<property name="statementExecutableSqlLogEnable" value="false" />
</bean>
</beans> (2)spring-service.xml:
<?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:tx="http://www.springframework.org/schema/tx"
xsi:schemaLocation="http://www.springframework.org/schema/beans
http://www.springframework.org/schema/beans/spring-beans.xsd
http://www.springframework.org/schema/context
http://www.springframework.org/schema/context/spring-context.xsd
http://www.springframework.org/schema/tx
http://www.springframework.org/schema/tx/spring-tx.xsd">
<!-- 扫描service包下所有使用注解的类型 -->
<!-- cn.acheng1314为我们应用的包名,当然也是我们前面提到过的GroupId -->
<context:component-scan base-package="com.qccr.acheng1314" />
<!-- 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>
<!-- 配置基于注解的声明式事务 -->
<tx:annotation-driven transaction-manager="transactionManager" />
</beans> (3)jdbc.properties:
jdbc.driver=com.mysql.jdbc.Driverjdbc.url=jdbc:mysql://localhost:3307/wordpress?useUnicode=true&characterEncoding=utf8
jdbc.username=数据库用户名
jdbc.password=数据库用户名对应的密码 (4)log4j2.xml:
<?xml version="1.0" encoding="UTF-8"?><!-- status=debug 可以查看log4j的装配过程 --><configuration status="off" monitorInterval="1800">
<properties>
<!--日志目录-->
<property name="LOG_HOME">/logs/webLog</property>
<!-- 日志备份目录 -->
<property name="BACKUP_HOME">{LOG_HOME}/backup</property>
<property name="STAT_NAME">stat</property>
<property name="SERVER_NAME">global</property>
</properties>
<appenders>
<!-- 定义控制台输出 -->
<Console name="Console" target="SYSTEM_OUT" follow="true">
<PatternLayout pattern="%date{yyyy-MM-dd HH:mm:ss.SSS} %level [%thread][%file:%line] - %msg%n"/>
</Console>
<!-- 程序员调试日志 -->
<RollingRandomAccessFile name="DevLog" fileName="${LOG_HOME}/${SERVER_NAME}"
filePattern="${LOG_HOME}/${SERVER_NAME}.%d{yyyy-MM-dd-HH}.log">
<PatternLayout pattern="%date{yyyy-MM-dd HH:mm:ss.SSS} %level [%thread][%file:%line] - %msg%n"/>
<Policies>
<TimeBasedTriggeringPolicy interval="1" modulate="true"/>
</Policies>
</RollingRandomAccessFile>
<!-- 游戏产品数据分析日志 -->
<RollingRandomAccessFile name="ProductLog"
fileName="${LOG_HOME}/${SERVER_NAME}_${STAT_NAME}"
filePattern="${LOG_HOME}/${SERVER_NAME}_${STAT_NAME}.%d{yyyy-MM-dd-HH}.log">
<PatternLayout
pattern="%date{yyyy-MM-dd HH:mm:ss.SSS} %level [%thread][%file:%line] - %msg%n"/>
<Policies>
<TimeBasedTriggeringPolicy interval="1"
modulate="true"/>
</Policies>
</RollingRandomAccessFile>
</appenders>
<loggers>
<!-- 3rdparty Loggers -->
<logger name="org.springframework.core" level="info">
</logger>
<logger name="org.springframework.beans" level="info">
</logger>
<logger name="org.springframework.context" level="info">
</logger>
<logger name="org.springframework.web" level="info">
</logger>
<logger name="org.jboss.netty" level="warn">
</logger>
<logger name="org.apache.http" level="warn">
</logger>
<logger name="com.mchange.v2" level="warn">
</logger>
<!-- Game Stat logger -->
<logger name="com.u9.global.service.log" level="info"
additivity="false">
<appender-ref ref="ProductLog"/>
</logger>
<!-- Root Logger -->
<root level="DEBUG">
<appender-ref ref="DevLog"/>
<appender-ref ref="Console"/>
</root>
</loggers>
</configuration> (5)mybatis-config.xml:
<?xml version="1.0" encoding="UTF-8" ?><!DOCTYPE configuration
PUBLIC "-//mybatis.org//DTD Config 3.0//EN"
"http://mybatis.org/dtd/mybatis-3-config.dtd"><configuration>
<!-- 配置全局属性 -->
<settings>
<!-- 使用jdbc的getGeneratedKeys获取数据库自增主键值 -->
<setting name="useGeneratedKeys" value="true" />
<!-- 使用列别名替换列名 默认:true -->
<setting name="useColumnLabel" value="true" />
<!-- 开启驼峰命名转换:Table{create_time} -> Entity{createTime} -->
<setting name="mapUnderscoreToCamelCase" value="true" />
</settings>
</configuration> (6)web.xml:
<!DOCTYPE web-app PUBLIC
"-//Sun Microsystems, Inc.//DTD Web Application 2.3//EN"
"http://java.sun.com/dtd/web-app_2_3.dtd" ><web-app xmlns="http://xmlns.jcp.org/xml/ns/javaee" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
xsi:schemaLocation="http://xmlns.jcp.org/xml/ns/javaee
http://xmlns.jcp.org/xml/ns/javaee/web-app_3_1.xsd"
version="3.1" metadata-complete="true">
<!--默认的首页-->
<welcome-file-list>
<welcome-file>index.html</welcome-file>
<welcome-file>index.htm</welcome-file>
<welcome-file>index.jsp</welcome-file>
<welcome-file>default.html</welcome-file>
<welcome-file>default.htm</welcome-file>
<welcome-file>default.jsp</welcome-file>
</welcome-file-list>
<!-- 如果是用maven命令生成的xml,需要修改servlet版本为3.1 -->
<!-- 配置DispatcherServlet -->
<servlet>
<display-name>SSM_LOG</display-name> <!-- 项目名称 -->
<servlet-name>mvc-dispatcher</servlet-name> <!-- mvc调度器 -->
<servlet-class>org.springframework.web.servlet.DispatcherServlet</servlet-class>
<!-- 配置springMVC需要加载的配置文件
spring-dao.xml,spring-service.xml,spring-web.xml
Mybatis - > spring -> springmvc
-->
<init-param>
<param-name>contextConfigLocation</param-name>
<param-value>classpath:spring/spring-*.xml</param-value>
</init-param>
</servlet>
<servlet-mapping>
<servlet-name>mvc-dispatcher</servlet-name>
<!-- 默认匹配所有的静态资源,此处配置出错,会产生错误500 -->
<url-pattern>/js/*</url-pattern>
<url-pattern>/css/*</url-pattern>
<url-pattern>/images/*</url-pattern>
<url-pattern>/fonts/*</url-pattern>
</servlet-mapping>
<!--druid ==> WEB方式监控配置-->
<servlet>
<servlet-name>DruidStatView</servlet-name>
<servlet-class>com.alibaba.druid.support.http.StatViewServlet</servlet-class>
</servlet>
<servlet-mapping>
<servlet-name>DruidStatView</servlet-name>
<url-pattern>/druid/*</url-pattern>
</servlet-mapping>
<filter>
<filter-name>druidWebStatFilter</filter-name>
<filter-class>com.alibaba.druid.support.http.WebStatFilter</filter-class>
<init-param>
<param-name>exclusions</param-name>
<param-value>/public/*,*.js,*.css,/druid*,*.jsp,*.swf</param-value>
</init-param>
<init-param>
<param-name>principalSessionName</param-name>
<param-value>sessionInfo</param-value>
</init-param>
<init-param>
<param-name>profileEnable</param-name>
<param-value>true</param-value>
</init-param>
</filter>
<filter-mapping>
<filter-name>druidWebStatFilter</filter-name>
<url-pattern>/*</url-pattern>
</filter-mapping>
</web-app> 4、这些只是我能够跑起来的一些程序代码,因为我看到了数据库的cmd窗口运行起来了,具体的实现还没有做,等明天做完了截图。 5、还有其中的一些原理现在也不是很清楚,还需要继续研究一下,等知道了再上图解释介绍。