SpringMVC+Spring+Mybatis整合
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第一步：采用Maven进行依赖管理，引入的依赖包括：junit4单元测试、日志记录（slf4j、logback）、数据库连接依赖（mysql、c3p0）、
Dao框架（mybatis、mybatis-spring）、Servlet web依赖（standard、jstl、Jackson）、spring依赖（spring核心依赖（spring-core、spring-beans、spring-context）、
spring Dao依赖（spring-jdbc、spring-tx）、spring web依赖（spring-web、spring-webmvc）、spring test依赖（spring-test））
<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>edu.gduf</groupId>
<artifactId>seckill</artifactId>
<packaging>war</packaging>
<version>1.0-SNAPSHOT</version>
<name>seckill Maven Webapp</name>
<url>http://maven.apache.org</url>
<dependencies>
<dependency>
<!--3.0的junit是使用编程的方式来进行测试，而junit4是使用注解的方式来运行junit-->
<groupId>junit</groupId>
<artifactId>junit</artifactId>
<version>4.11</version>
<scope>test</scope>
</dependency>
<!--补全项目依赖-->
<!--1.日志 java日志有:slf4j,log4j,logback,common-logging
slf4j:是规范/接口
日志实现:log4j,logback,common-logging
使用:slf4j+logback
-->
<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>
<!--实现slf4j接口并整合-->
<dependency>
<groupId>ch.qos.logback</groupId>
<artifactId>logback-classic</artifactId>
<version>1.1.1</version>
</dependency>
<!--1.数据库相关依赖-->
<dependency>
<groupId>mysql</groupId>
<artifactId>mysql-connector-java</artifactId>
<version>5.1.35</version>
<scope>runtime</scope>
</dependency>
<dependency>
<groupId>c3p0</groupId>
<artifactId>c3p0</artifactId>
<version>0.9.1.1</version>
</dependency>
<!--2.dao框架:MyBatis依赖-->
<dependency>
<groupId>org.mybatis</groupId>
<artifactId>mybatis</artifactId>
<version>3.3.0</version>
</dependency>
<!--mybatis自身实现的spring整合依赖-->
<dependency>
<groupId>org.mybatis</groupId>
<artifactId>mybatis-spring</artifactId>
<version>1.2.3</version>
</dependency>
<!--3.Servlet web相关依赖-->
<dependency>
<groupId>taglibs</groupId>
<artifactId>standard</artifactId>
<version>1.1.2</version>
</dependency>
<dependency>
<groupId>jstl</groupId>
<artifactId>jstl</artifactId>
<version>1.2</version>
</dependency>
<dependency>
<groupId>com.fasterxml.jackson.core</groupId>
<artifactId>jackson-databind</artifactId>
<version>2.5.4</version>
</dependency>
<dependency>
<groupId>javax.servlet</groupId>
<artifactId>javax.servlet-api</artifactId>
<version>3.1.0</version>
</dependency>
<!--4:spring依赖-->
<!--1)spring核心依赖-->
<dependency>
<groupId>org.springframework</groupId>
<artifactId>spring-core</artifactId>
<version>4.1.7.RELEASE</version>
</dependency>
<dependency>
<groupId>org.springframework</groupId>
<artifactId>spring-beans</artifactId>
<version>4.1.7.RELEASE</version>
</dependency>
<dependency>
<groupId>org.springframework</groupId>
<artifactId>spring-context</artifactId>
<version>4.1.7.RELEASE</version>
</dependency>
<!--2)spring dao层依赖-->
<dependency>
<groupId>org.springframework</groupId>
<artifactId>spring-jdbc</artifactId>
<version>4.1.7.RELEASE</version>
</dependency>
<dependency>
<groupId>org.springframework</groupId>
<artifactId>spring-tx</artifactId>
<version>4.1.7.RELEASE</version>
</dependency>
<!--3)springweb相关依赖-->
<dependency>
<groupId>org.springframework</groupId>
<artifactId>spring-web</artifactId>
<version>4.1.7.RELEASE</version>
</dependency>
<dependency>
<groupId>org.springframework</groupId>
<artifactId>spring-webmvc</artifactId>
<version>4.1.7.RELEASE</version>
</dependency>
<!--4)spring test相关依赖-->
<dependency>
<groupId>org.springframework</groupId>
<artifactId>spring-test</artifactId>
<version>4.1.7.RELEASE</version>
</dependency>
<!--添加redis依赖-->
<dependency>
<groupId>redis.clients</groupId>
<artifactId>jedis</artifactId>
<version>2.7.3</version>
</dependency>
<!--prostuff序列化依赖-->
<dependency>
<groupId>com.dyuproject.protostuff</groupId>
<artifactId>protostuff-core</artifactId>
<version>1.0.8</version>
</dependency>
<dependency>
<groupId>com.dyuproject.protostuff</groupId>
<artifactId>protostuff-runtime</artifactId>
<version>1.0.8</version>
</dependency>
<dependency>
<groupId>commons-collections</groupId>
<artifactId>commons-collections</artifactId>
<version>3.2</version>
</dependency>
</dependencies>
<build>
<finalName>seckill</finalName>
<plugins>
<plugin>
<groupId>org.apache.maven.plugins</groupId>
<artifactId>maven-compiler-plugin</artifactId>
<configuration>
<source>1.8</source>
<target>1.8</target>
</configuration>
</plugin>
</plugins>
</build>
</project>
第二步：Mybatis全局文件配置
<?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"/>
<!--使用列名别名替换列名-->
<setting name="useColumnLabel" value="true"/>
<!--开启驼峰式命名转换-->
<setting name="mapUnderscoreToCamelCase" value="true"/>
</settings>
</configuration>
第三步：Mybatis SQL文件配置
<?xml version="1.0" encoding="UTF-8" ?>
<!DOCTYPE mapper
PUBLIC "-//mybatis.org//DTD Mapper 3.0//EN"
"http://mybatis.org/dtd/mybatis-3-mapper.dtd">
<mapper namespace="org.seckill.dao.SeckillDao">
<update id="reduceNumber">
UPDATE
seckill
SET
number= number - 1
WHERE seckill_id = #{seckillId}
AND start_time <![CDATA[ <= ]]> #{killTime}
AND end_time >= #{killTime}
AND number > 0
</update>
<select id="queryById" parameterType="long" resultType="Seckill">
SELECT seckill_id, name,number,start_time,end_time,create_time
FROM seckill
WHERE seckill_id = #{seckillId}
</select>
<select id="queryAll" resultType="Seckill">
SELECT seckill_id, name,number,start_time,end_time,create_time
FROM seckill
ORDER BY create_time DESC
limit #{offset},#{limit}
</select>
<!--使用mybatis调用存储过程-->
<select id="killByProcedure" statementType="CALLABLE">
call execute_seckill(
#{seckillId,jdbcType=BIGINT,mode=IN},
#{phone,jdbcType=BIGINT,mode=IN},
#{killTime,jdbcType=TIMESTAMP,mode=IN},
#{result,jdbcType=INTEGER,mode=OUT}
)
</select>
</mapper>
<?xml version="1.0" encoding="UTF-8" ?>
<!DOCTYPE mapper
PUBLIC "-//mybatis.org//DTD Mapper 3.0//EN"
"http://mybatis.org/dtd/mybatis-3-mapper.dtd">
<mapper namespace="org.seckill.dao.SuccessKilledDao">
<insert id="insertSuccessKilled">
<!--主键冲突不报错 -->
INSERT ignore INTO success_killed(seckill_id,user_phone,state)
VALUES (#{seckillId},#{userPhone},0)
</insert>
<select id="queryByIdWithSeckill" resultType="SuccessKilled">
SELECT
sk.seckill_id,
sk.user_phone,
sk.create_time,
sk.state,
s.seckill_id "seckill.seckill_id",
s.name "seckill.name",
s.number "seckill.number",
s.start_time "seckill.start_time",
s.end_time "seckill.end_time",
s.create_time "seckill.create_time"
FROM success_killed sk
INNER JOIN seckill s
on sk.seckill_id = s.seckill_id
WHERE sk.seckill_id = #{seckillId}
AND sk.user_phone = #{userPhone}
</select>
</mapper>
第四步：spring Dao层上下文配置文件
<?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"
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">
<!--配置数据库-->
<context:property-placeholder location="classpath:jdbc.properties"/>
<!--数据库连接池-->
<bean id="dataSource" class="com.mchange.v2.c3p0.ComboPooledDataSource">
<!--连接池属性-->
<property name="driverClass" value="${jdbc.driver}"/>
<property name="jdbcUrl" value="${jdbc.url}"/>
<property name="user" value="${jdbc.user}"/>
<property name="password" value="${jdbc.password}"/>
<!--c3p0连接池私有属性-->
<property name="maxPoolSize" value="30"/>
<property name="minPoolSize" value="10"/>
<!--关闭连接后不自动commit-->
<property name="autoCommitOnClose" value="false"/>
<!--获取连接超时时间-->
<property name="checkoutTimeout" value="1000"/>
<!--当获取连接失败后重试次数-->
<property name="acquireRetryAttempts" value="2"/>
</bean>
<!--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mybatis全局配置文件：mybatis-config.xmk-->
<property name="configLocation" value="classpath:mybatis-config.xml"/>
<!--扫描entity包，使用别名-->
<property name="typeAliasesPackage" value="org.seckill.entity"/>
<!--扫描sql配置文件，mapper需要的xml文件-->
<property name="mapperLocations" value="classpath:mapper/*.xml"/>
</bean>
<!--扫描Dao接口包，动态实现Dao接口，注入到Sprring容器中-->
<bean class="org.mybatis.spring.mapper.MapperScannerConfigurer">
<!--注入SqlSessionFactory,使用beanName-->
<property name="sqlSessionFactoryBeanName" value="sqlSessionFactory"/>
<!--给出扫描Dao接口包-->
<property name="basePackage" value="org.seckill.dao"/>
</bean>
<!--注入RedisDao-->
<bean id="redisDao" class="org.seckill.dao.cache.RedisDao">
<constructor-arg index="0" value="localhost"/>
<constructor-arg index="1" value="6379"/>
</bean>
</beans>
第五步：spring service层上下文配置文件
<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-->
<context:component-scan base-package="org.seckill.service"/>
<!--配置事务管理器-->
<bean id="transactionManager" class="org.springframework.jdbc.datasource.DataSourceTransactionManager">
<!--配置连接池-->
<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>
第六步：spring web层上下文配置文件
<?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:mvc="http://www.springframework.org/schema/mvc"
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/mvc
http://www.springframework.org/schema/mvc/spring-mvc.xsd">
<mvc:annotation-driven/>
<!--静态资源处理-->
<mvc:default-servlet-handler/>
<!--配置默认视图解析器-->
<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>
<!--扫描web相关的bean-->
<context:component-scan base-package="org.seckill.web"/>
</beans>
第七步：web.xml配置
<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"> <!--配置DispatcherServlet--> <servlet> <servlet-name>seckill-dispatcher</servlet-name> <servlet-class>org.springframework.web.servlet.DispatcherServlet</servlet-class> <init-param> <param-name>contextConfigLocation</param-name> <param-value>classpath:spring/spring-*.xml</param-value> </init-param> </servlet> <servlet-mapping> <servlet-name>seckill-dispatcher</servlet-name> <!--默认匹配所有的请求--> <url-pattern>/</url-pattern> </servlet-mapping></web-app>
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