SSM开发大众点评实战一之工程构建

作者: MisterDo | 来源:发表于2019-11-17 22:55 被阅读0次

SSM开发大众点评实战一之工程构建
史诗级Java/JavaWeb学习资源免费分享
SSM开发大众点评实战之权限管理
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SSM开发大众点评实战三之会员模块
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SSM开发大众点评实战二之商户模块
SSM开发大众点评
SSM开发大众点评总结

创建Maven工程
导入pom文件

<?xml version="1.0" encoding="UTF-8"?>
<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>org.imoock</groupId>
    <artifactId>comment-test</artifactId>
    <packaging>war</packaging>
    <version>0.0.1-SNAPSHOT</version>
    <name>comment Maven Webapp</name>
    <url>http://maven.apache.org</url>
    <dependencies>
        <dependency>
            <groupId>junit</groupId>
            <artifactId>junit</artifactId>
            <version>4.11</version>
            <scope>test</scope>
        </dependency>

        <dependency>
            <groupId>javax.servlet</groupId>
            <artifactId>javax.servlet-api</artifactId>
            <version>3.1.0</version>
        </dependency>

        <dependency>
            <groupId>taglibs</groupId>
            <artifactId>standard</artifactId>
            <version>1.1.2</version>
        </dependency>

        <dependency>
            <groupId>org.springframework</groupId>
            <artifactId>spring-web</artifactId>
            <version>4.2.3.RELEASE</version>
        </dependency>

        <dependency>
            <groupId>org.springframework</groupId>
            <artifactId>spring-webmvc</artifactId>
            <version>4.2.3.RELEASE</version>
        </dependency>

        <dependency>
            <groupId>org.springframework</groupId>
            <artifactId>spring-tx</artifactId>
            <version>4.2.3.RELEASE</version>
        </dependency>

        <dependency>
            <groupId>org.springframework</groupId>
            <artifactId>spring-jdbc</artifactId>
            <version>4.2.3.RELEASE</version>
        </dependency>

        <dependency>
            <groupId>jstl</groupId>
            <artifactId>jstl</artifactId>
            <version>1.2</version>
        </dependency>

        <dependency>
            <groupId>org.mybatis</groupId>
            <artifactId>mybatis</artifactId>
            <version>3.3.0</version>
        </dependency>

        <dependency>
            <groupId>joda-time</groupId>
            <artifactId>joda-time</artifactId>
            <version>2.3</version>
        </dependency>

        <dependency>
            <groupId>c3p0</groupId>
            <artifactId>c3p0</artifactId>
            <version>0.9.1.2</version>
        </dependency>

        <dependency>
            <groupId>org.mybatis</groupId>
            <artifactId>mybatis-spring</artifactId>
            <version>1.3.1</version>
        </dependency>

        <dependency>
            <groupId>com.fasterxml.jackson.core</groupId>
            <artifactId>jackson-core</artifactId>
            <version>2.3.3</version>
        </dependency>

        <dependency>
            <groupId>com.fasterxml.jackson.core</groupId>
            <artifactId>jackson-databind</artifactId>
            <version>2.3.3</version>
        </dependency>

        <dependency>
            <groupId>mysql</groupId>
            <artifactId>mysql-connector-java</artifactId>
            <version>8.0.17</version>
        </dependency>

        <dependency>
            <groupId>commons-fileupload</groupId>
            <artifactId>commons-fileupload</artifactId>
            <version>1.3.1</version>
        </dependency>

        <dependency>
            <groupId>commons-io</groupId>
            <artifactId>commons-io</artifactId>
            <version>2.4</version>
        </dependency>

        <dependency>
            <groupId>org.slf4j</groupId>
            <artifactId>slf4j-api</artifactId>
            <version>1.7.21</version>
        </dependency>

        <dependency>
            <groupId>ch.qos.logback</groupId>
            <artifactId>logback-classic</artifactId>
            <version>1.1.7</version>
        </dependency>

        <dependency>
            <groupId>ch.qos.logback</groupId>
            <artifactId>logback-core</artifactId>
            <version>1.1.7</version>
        </dependency>
    </dependencies>
    <build>
        <finalName>comment</finalName>
        <plugins>
            <plugin>
                <groupId>org.apache.maven.plugins</groupId>
                <artifactId>maven-compiler-plugin</artifactId>
                <configuration>
                    <source>7</source>
                    <target>7</target>
                </configuration>
            </plugin>
        </plugins>
    </build>
</project>

整合SSM

整合SSM.PNG
文件说明：

applicationContext.xml加载所有以applicationContext-*.xml和类路径下的properties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">
    
    <context:property-placeholder location="classpath:properties/*.properties"/>
    
    <import resource="applicationContext-*.xml"/>
</beans>

applicationContext-dao.xml,配置数据源，配置sqlSessionFactory,扫描dao包

<?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">    
    <!-- 配置数据源 -->
    <bean id="dataSource" class="com.mchange.v2.c3p0.ComboPooledDataSource" destroy-method="close">
        <property name="driverClass" value="${dataSource.driver}"></property>
        <property name="jdbcUrl" value="${dataSource.url}"></property>
        <property name="user" value="${dataSource.username}"></property>
        <property name="password" value="${dataSource.password}"></property>
        <!-- 每60秒检查所有连接池中的空闲连接。Default: 0 -->
        <property name="idleConnectionTestPeriod" value="60" />
        <!-- 初始化时获取三个连接，取值应在minPoolSize与maxPoolSize之间。Default: 3 --> 
        <property name="initialPoolSize" value="5" />
        <!-- 最大空闲时间,60秒内未使用则连接被丢弃。若为0则永不丢弃。Default: 0 -->
        <property name="maxIdleTime" value="60" />
        <!-- 连接池中保留的最大连接数。Default: 15 -->
        <property name="maxPoolSize" value="10" />
        <!-- 连接池中保留的最小连接数。 -->
        <property name="minPoolSize" value="5" />
        <!-- JDBC的标准参数，用以控制数据源内加载的PreparedStatements数量。但由于预缓存的statements 
        属于单个connection而不是整个连接池。所以设置这个参数需要考虑到多方面的因素。 
        如果maxStatements与maxStatementsPerConnection均为0，则缓存被关闭。Default: 0-->
        <property name="maxStatements" value="100" />
        <!-- maxStatementsPerConnection定义了连接池内单个连接所拥有的最大缓存statements数。Default: 0  -->
        <property name="maxStatementsPerConnection" value="3" />
        <!-- 定义所有连接测试都执行的测试语句。在使用连接测试的情况下这个显著提高测试速度。注意： 
        测试的表必须在初始数据源的时候就存在。Default: null -->
        <property name="preferredTestQuery" value="select 1" />
        <!-- 定义在从数据库获取新连接失败后重复尝试的次数。Default: 30-->
        <property name="acquireRetryAttempts" value="3" />
        <!-- 两次连接中间隔时间，单位毫秒。Default: 1000 -->
        <property name="acquireRetryDelay" value="1000" />
        <!-- 当连接池用完时客户端调用getConnection()后等待获取新连接的时间，超时后将抛出 
        SQLException,如设为0则无限期等待。单位毫秒。Default: 0 -->
        <property name="checkoutTimeout" value="30000" />
    </bean>
    
    <!-- 配置sqlSessionFactory -->
    <bean id="sqlSessionFactory" class="org.mybatis.spring.SqlSessionFactoryBean">
        <!-- 注入数据源 -->
        <property name="dataSource" ref="dataSource"/>
        <!-- 扫描mybatis核心配置文件 -->
        <property name="configLocation" value="classpath:spring/mybatis.xml"/>
        <!-- 扫描java bean，自动使用别名 -->
        <property name="typeAliasesPackage" value="org.imooc.bean"/>
        <!-- 扫描mybatis的SQL配置文件 -->
        <property name="mapperLocations" value="classpath:mapper/*.xml"/>
    </bean>
    
    <!-- 扫描Dao接口包 -->
    <bean class="org.mybatis.spring.mapper.MapperScannerConfigurer">
        <property name="sqlSessionFactoryBeanName" value="sqlSessionFactory"/>
        <property name="basePackage" value="org.imooc.dao"/>
    </bean>
</beans>

applicationContext-service.xml 扫描service包,配置事务

<?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 -->
    <context:component-scan base-package="org.imooc.service" />
    <!-- 配置事务管理器 -->
    <bean id="transactionManager"  class="org.springframework.jdbc.datasource.DataSourceTransactionManager">  
        <property name="dataSource" ref="dataSource"/>
    </bean>
    <!-- 事务采用全注解方式 -->
    <tx:annotation-driven transaction-manager="transactionManager"/>
</beans>

applicationContext-task.xml,扫描task包，启动定时任务

<?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:task="http://www.springframework.org/schema/task"
    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/task http://www.springframework.org/schema/task/spring-task.xsd">
    
    <!-- 扫描task包 -->
    <context:component-scan base-package="org.imooc.task"/>
    
    <!-- 启用定时任务 -->
    <task:scheduled-tasks>
        <task:scheduled ref="BusinessTask" method="synNumber" cron="10 */5 * * * ?"/>
        <task:scheduled ref="BusinessTask" method="synStar" cron="0 */5 * * * ?"/>
    </task:scheduled-tasks>
</beans>

applicationContext-web.xml,开启注解映射的支持，配置拦截器，允许对静态资源文件的访问，配置视图解析器，扫描contoller，
Filter和Interceptor

<?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">
    
    <!-- 开启注解映射的支持 -->
    <mvc:annotation-driven/>
    <!-- 允许对静态资源文件的访问 --> 
    <mvc:default-servlet-handler/>
    <mvc:interceptors>
        <mvc:interceptor>
            <mvc:mapping path="/**"/>
            <mvc:exclude-mapping path="/login/**"/>
            <mvc:exclude-mapping path="/css/**"/>
            <mvc:exclude-mapping path="/js/**"/>
            <mvc:exclude-mapping path="/images/**"/>
            <mvc:exclude-mapping path="/api/**"/>
            <bean class="org.imooc.controller.interceptor.SessionInterceptor"></bean>
        </mvc:interceptor>


        <mvc:interceptor>
            <mvc:mapping path="/**"/>
            <mvc:exclude-mapping path="/index"/>
            <mvc:exclude-mapping path="/session"/>
            <mvc:exclude-mapping path="/session/menus"/>
            <mvc:exclude-mapping path="/login/**"/>
            <mvc:exclude-mapping path="/css/**"/>
            <mvc:exclude-mapping path="/js/**"/>
            <mvc:exclude-mapping path="/images/**"/>
            <mvc:exclude-mapping path="/api/**"/>

            <bean class="org.imooc.controller.interceptor.AuthInterceptor"></bean>
        </mvc:interceptor>

    </mvc:interceptors>
    <!-- 配置视图解析器 -->
    <bean id="viewResolver" 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"></property>
    </bean>
    
    <!-- 自动扫描的包名 -->
    <context:component-scan base-package="org.imooc.controller"/>
</beans>

mybatis.xml 配置mybatis

<?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>
    <settings>
        <setting name="useGeneratedKeys" value="true"/>
        <setting name="mapUnderscoreToCamelCase" value="true"/>
    </settings>
    
    <plugins>
        <plugin interceptor="org.imooc.dao.interceptor.PageInterceptor"/>
    </plugins>
</configuration>

以上配置加入了许多额外的东西，所以除了配置这些以外，其他额外的文件不能少

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