SSM整合
1、准备工作
①创建Maven Module
②导入依赖
<properties>
<project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
<maven.compiler.source>1.8</maven.compiler.source>
<maven.compiler.target>1.8</maven.compiler.target>
<!--锁定jar包的版本-->
<spring.version>5.3.1</spring.version>
</properties>
<dependencies>
<!--上下文依赖-->
<dependency>
<groupId>org.springframework</groupId>
<artifactId>spring-context</artifactId>
<version>${spring.version}</version>
</dependency>
<!--管理bean-->
<dependency>
<groupId>org.springframework</groupId>
<artifactId>spring-beans</artifactId>
<version>${spring.version}</version>
</dependency>
<!--springmvc-->
<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>
<!--事务管理器在spring-jdbc中-->
<dependency>
<groupId>org.springframework</groupId>
<artifactId>spring-jdbc</artifactId>
<version>${spring.version}</version>
</dependency>
<!--管理切面-->
<dependency>
<groupId>org.springframework</groupId>
<artifactId>spring-aspects</artifactId>
<version>${spring.version}</version>
</dependency>
<!--spring整和junit-->
<dependency>
<groupId>org.springframework</groupId>
<artifactId>spring-test</artifactId>
<version>${spring.version}</version>
</dependency>
<!-- Mybatis核心 -->
<dependency>
<groupId>org.mybatis</groupId>
<artifactId>mybatis</artifactId>
<version>3.5.7</version>
</dependency>
<!--mybatis和spring的整合包-->
<dependency>
<groupId>org.mybatis</groupId>
<artifactId>mybatis-spring</artifactId>
<version>2.0.6</version>
</dependency>
<!--连接池-->
<dependency>
<groupId>com.alibaba</groupId>
<artifactId>druid</artifactId>
<version>1.0.9</version>
</dependency>
<!--c3p0-->
<dependency>
<groupId>c3p0</groupId>
<artifactId>c3p0</artifactId>
<version>0.9.1.2</version>
<type>jar</type>
<scope>compile</scope>
</dependency>
<!--junit测试-->
<dependency>
<groupId>junit</groupId>
<artifactId>junit</artifactId>
<version>4.12</version>
<scope>test</scope>
</dependency>
<!--MySQL驱动-->
<dependency>
<groupId>mysql</groupId>
<artifactId>mysql-connector-java</artifactId>
<version>8.0.16</version>
</dependency>
<!--log4j日志-->
<dependency>
<groupId>log4j</groupId>
<artifactId>log4j</artifactId>
<version>1.2.17</version>
</dependency>
<!--slf4j日志-->
<dependency>
<groupId>ch.qos.logback</groupId>
<artifactId>logback-classic</artifactId>
<version>1.2.3</version>
</dependency>
<!--分页插件-->
<dependency>
<groupId>com.github.pagehelper</groupId>
<artifactId>pagehelper</artifactId>
<version>5.2.0</version>
</dependency>
<!--ServletAPI-->
<dependency>
<groupId>javax.servlet</groupId>
<artifactId>javax.servlet-api</artifactId>
<version>3.1.0</version>
<scope>provided</scope>
</dependency>
<!--Jackson 处理JSON数据-->
<dependency>
<groupId>com.fasterxml.jackson.core</groupId>
<artifactId>jackson-databind</artifactId>
<version>2.12.1</version>
</dependency>
<!--处理文件上传-->
<dependency>
<groupId>commons-fileupload</groupId>
<artifactId>commons-fileupload</artifactId>
<version>1.3.1</version>
</dependency>
<!-- Spring5和Thymeleaf整合包 -->
<dependency>
<groupId>org.thymeleaf</groupId>
<artifactId>thymeleaf-spring5</artifactId>
<version>3.0.12.RELEASE</version>
</dependency>
<!--JSR303 数据校验 支持tomcat7及以上的服务器-->
<dependency>
<groupId>org.hibernate</groupId>
<artifactId>hibernate-validator</artifactId>
<version>5.4.1.Final</version>
</dependency>
<!--逆向工程-->
<dependency>
<groupId>org.mybatis.generator</groupId>
<artifactId>mybatis-generator-core</artifactId>
<version>1.3.5</version>
</dependency>
<!--lombok-->
<dependency>
<groupId>org.projectlombok</groupId>
<artifactId>lombok</artifactId>
<version>1.16.18</version>
<scope>provided</scope>
</dependency>
</dependencies>
2、配置web.xml
<?xml version="1.0" encoding="UTF-8"?>
<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_4_0.xsd"
version="4.0">
<!--配置欢迎页-->
<welcome-file-list>
<welcome-file>index.jsp</welcome-file>
</welcome-file-list>
<!--配置一个监听器，去加载spring的配置文件
ContextLoaderListener 默认加载的是WEB-INF下的spring的配置文件
-->
<listener>
<listener-class>org.springframework.web.context.ContextLoaderListener</listener-class>
</listener>
<!--配置监听器，去加载类路径下的applicationContext.xml配置文件,不然默认加载的是WEB-INF下的配置文件-->
<context-param>
<param-name>contextConfigLocation</param-name>
<param-value>classpath:applicationContext.xml</param-value>
</context-param>
<!--配置SpringMVC的前端控制器-->
<servlet>
<servlet-name>DispatcherServlet</servlet-name>
<servlet-class>org.springframework.web.servlet.DispatcherServlet</servlet-class>
<!--设置SpringMVC的配置文件的位置和名称-->
<init-param>
<param-name>contextConfigLocation</param-name>
<param-value>classpath:SpringMVC.xml</param-value>
</init-param>
<!--配置服务器启动，就初始化DispatcherServlet-->
<load-on-startup>1</load-on-startup>
</servlet>
<servlet-mapping>
<servlet-name>DispatcherServlet</servlet-name>
<url-pattern>/</url-pattern>
</servlet-mapping>
<!--配置Spring的编码过滤器 注意这个过滤器要放在其他过滤器之前-->
<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restful风格请求的过滤器:作用将页面上的普通的post请求转换为put或delete请求
<filter>
<filter-name>hiddenHttpMethodFilter</filter-name>
<filter-class>org.springframework.web.filter.HiddenHttpMethodFilter</filter-class>
</filter>
<filter-mapping>
<filter-name>hiddenHttpMethodFilter</filter-name>
<url-pattern>/*</url-pattern>
</filter-mapping>
-->
<!--配置Ajax 发送PUT请求时的处理-->
<filter>
<filter-name>HttpPutFormContentFilter</filter-name>
<filter-class>org.springframework.web.filter.HttpPutFormContentFilter</filter-class>
</filter>
<filter-mapping>
<filter-name>HttpPutFormContentFilter</filter-name>
<url-pattern>/*</url-pattern>
</filter-mapping>
</web-app>
3、创建SpringMVC的配置文件并配置
SpringMVC.xml
<beans xmlns="http://www.springframework.org/schema/beans"
xmlns:mvc="http://www.springframework.org/schema/mvc"
xmlns:context="http://www.springframework.org/schema/context"
xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
xsi:schemaLocation="
http://www.springframework.org/schema/beans
http://www.springframework.org/schema/beans/spring-beans.xsd
http://www.springframework.org/schema/mvc
http://www.springframework.org/schema/mvc/spring-mvc.xsd
http://www.springframework.org/schema/context
http://www.springframework.org/schema/context/spring-context.xsd">
<!--开启注解扫描 只扫描@Controller-->
<context:component-scan base-package="com.edu">
<context:include-filter type="annotation" expression="org.springframework.stereotype.Controller"/>
</context:component-scan>
<!--配置视图解析器-->
<bean class="org.springframework.web.servlet.view.InternalResourceViewResolver" id="viewResolver">
<!--JSP文件所在的目录-->
<!--<property name="prefix" value="/WEB-INF/views/"/>-->
<property name="prefix" value="/WEB-INF/views/"/>
<!--文件的后缀名-->
<property name="suffix" value=".jsp"/>
</bean>
<!--设置静态资源不过滤-->
<!--将springmvc不能处理的静态资源，交由tomcat来处理，因为我们这边使用bootstrap-->
<mvc:default-servlet-handler/>
<!--开启对SpringMVC注解的驱动-->
<mvc:annotation-driven/>
<!-- 配置访问首页的视图控制 .html-->
<!--<mvc:view-controller path="/" view-name="index"/>-->
<!--配置文件上传解析器-->
<bean id="multipartResolver" class="org.springframework.web.multipart.commons.CommonsMultipartResolver">
</bean>
</beans>
4、搭建MyBatis环境
①创建属性文件jdbc.properties
jdbc.driver=com.mysql.jdbc.Driver
jdbc.url=jdbc:mysql://localhost:3306/ssm_crud
jdbc.username=root
jdbc.password=123456
②创建MyBatis的核心配置文件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>
<settings>
<!--开启驼峰式命名-->
<setting name="mapUnderscoreToCamelCase" value="true"/>
</settings>
<!--注册分页插件-->
<plugins>
<plugin interceptor="com.github.pagehelper.PageInterceptor">
<!-- 使用下面的方式配置参数，后面会有所有的参数介绍-->
<!--
分页合理化参数，默认值为false。当该参数设置为 true 时，pageNum<=0 时会查询第一页，
pageNum>pages（超过总数时），会查询最后一页。默认false 时，直接根据参数进行查询。
-->
<property value="true" name="reasonable"/>
</plugin>
</plugins>
</configuration>
④创建日志文件log4j.properties
# Set root category priority to INFO and its only appender to CONSOLE.
#log4j.rootCategory=INFO, CONSOLE debug info warn error fatal
#log4j.rootCategory=debug, CONSOLE, LOGFILE
log4j.rootCategory=off
# Set the enterprise logger category to FATAL and its only appender to CONSOLE.
log4j.logger.org.apache.axis.enterprise=FATAL, CONSOLE
# CONSOLE is set to be a ConsoleAppender using a PatternLayout.
log4j.appender.CONSOLE=org.apache.log4j.ConsoleAppender
log4j.appender.CONSOLE.layout=org.apache.log4j.PatternLayout
log4j.appender.CONSOLE.layout.ConversionPattern=%d{ISO8601} %-6r [%15.15t] %-5p %30.30c %x - %m\n
# LOGFILE is set to be a File appender using a PatternLayout.
log4j.appender.LOGFILE=org.apache.log4j.FileAppender
log4j.appender.LOGFILE.File=d:axis.log
log4j.appender.LOGFILE.Append=true
log4j.appender.LOGFILE.layout=org.apache.log4j.PatternLayout
log4j.appender.LOGFILE.layout.ConversionPattern=%d{ISO8601} %-6r [%15.15t] %-5p %30.30c %x - %m\n
5、创建Spring的配置文件并配置
applicationContext.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:aop="http://www.springframework.org/schema/aop"
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/aop
http://www.springframework.org/schema/aop/spring-aop.xsd http://www.springframework.org/schema/tx
http://www.springframework.org/schema/tx/spring-tx.xsd">
<!--开启组件的注解扫描 除去不要扫描springmvc的@Controller-->
<context:component-scan base-package="com.edu">
<context:exclude-filter type="annotation" expression="org.springframework.stereotype.Controller"/>
</context:component-scan>
<!--引入jdbc.properties 之后通过${key}的方式访问value-->
<context:property-placeholder location="classpath:jdbc.properties"/>
<!--配置数据源-->
<bean class="com.mchange.v2.c3p0.ComboPooledDataSource" id="dataSource">
<property name="driverClass" value="${jdbc.driver}"/>
<property name="jdbcUrl" value="${jdbc.url}"/>
<property name="user" value="${jdbc.username}"/>
<property name="password" value="${jdbc.password}"/>
</bean>
<!--配置和MyBatis的整合-->
<bean class="org.mybatis.spring.SqlSessionFactoryBean" id="sessionFactory">
<!--注入连接池-->
<property name="dataSource" ref="dataSource"/>
<!--配置实体类的别名扫描 可选-->
<property name="typeAliasesPackage" value="com.edu.beans"/>
<!--指定MyBatis 接口的映射文件的位置 只有映射文件的包和mapper接口的包不一致时才设置-->
<property name="mapperLocations" value="classpath:mapper/*.xml"/>
<!--指定mybatis的全局配置文件-->
<property name="configLocation" value="classpath:mybatis-config.xml"/>
</bean>
<!--配置扫描器，将mybatis的接口实现放到IOC容器中-->
<bean class="org.mybatis.spring.mapper.MapperScannerConfigurer">
<property name="basePackage" value="com.edu.dao"/>
</bean>
<!--配置一个可以执行批量操作的sqlSeesion-->
<bean class="org.mybatis.spring.SqlSessionTemplate" id="sessionTemplate">
<constructor-arg name="sqlSessionFactory" ref="sessionFactory"/>
<!--执行类型，是BATCH 批量执行-->
<constructor-arg name="executorType" value="BATCH"/>
</bean>
<!--配置事务管理器，传入连接池-->
<bean class="org.springframework.jdbc.datasource.DataSourceTransactionManager" id="transactionManager">
<property name="dataSource" ref="dataSource"/>
</bean>
<!--
配置事务增强
将使用注解@Transactional标识的方法或类中所有的方法进行事务管理
-->
<tx:advice id="txAdvice" transaction-manager="transactionManager">
<tx:attributes>
<!--所有方法都是事务方法-->
<tx:method name="*"/>
<!--以get开始的查询所有方法 read-only="true" 可以不使用事务-->
<tx:method name="get*" read-only="true"/>
<tx:method name="find*" read-only="true"/>
<tx:method name="select*" read-only="true"/>
</tx:attributes>
</tx:advice>
<!--开启基于注解的事务，使用xml配置形式的事务（一般主要的都是使用配置式） -->
<aop:config>
<!-- 切入点表达式 com.edu.service..*(..) 注意 ..* 的意思是service包下的所有类，包括子包下的所有类-->
<aop:pointcut expression="execution(public * com.edu.service..*(..))" id="txPoint"/>
<!-- 配置事务增强 -->
<aop:advisor advice-ref="txAdvice" pointcut-ref="txPoint"/>
</aop:config>
</beans>
6、逆向工程
①mbg.xml
<?xml version="1.0" encoding="UTF-8" ?>
<!DOCTYPE generatorConfiguration
PUBLIC "-//mybatis.org//DTD MyBatis Generator Configuration 1.0//EN"
"http://mybatis.org/dtd/mybatis-generator-config_1_0.dtd">
<generatorConfiguration>
<context id="DB2Tables" targetRuntime="MyBatis3">
<!--配置生成出来的代码中不要添加注释，如果要注释就不要配置，默认会有注释-->
<commentGenerator>
<property name="suppressAllComments" value="true"/>
</commentGenerator>
<!-- 配置数据库连接 -->
<jdbcConnection driverClass="com.mysql.jdbc.Driver"
connectionURL="jdbc:mysql://localhost:3306/ssm_crud"
userId="root"
password="123456">
</jdbcConnection>
<javaTypeResolver>
<property name="forceBigDecimals" value="false"/>
</javaTypeResolver>
<!-- 指定javaBean生成的位置 -->
<javaModelGenerator targetPackage="com.edu.beans"
targetProject=".\src\main\java">
<property name="enableSubPackages" value="true"/>
<property name="trimStrings" value="true"/>
</javaModelGenerator>
<!--指定sql映射文件生成的位置 -->
<sqlMapGenerator targetPackage="mapper"
targetProject=".\src\main\resources">
<property name="enableSubPackages" value="true"/>
</sqlMapGenerator>
<!-- 指定dao接口生成的位置，mapper接口 -->
<javaClientGenerator type="XMLMAPPER"
targetPackage="com.edu.dao"
targetProject=".\src\main\java">
<property name="enableSubPackages" value="true"/>
</javaClientGenerator>
<!-- table指定每个表的生成策略 配置表名和对应的实体类名 -->
<table tableName="tbl_emp" domainObjectName="Employee"/>
<table tableName="tbl_dept" domainObjectName="Department"/>
<table tableName="user" domainObjectName="User"/>
</context>
</generatorConfiguration>
②测试类TestReverse.java
public class TestReverse {
public static void main(String[] args) throws Exception {
List<String> warnings = new ArrayList<String>();
boolean overwrite = true;
//加载当前工程下的逆向工程的配置文件
File configFile = new File("mbg.xml");
ConfigurationParser cp = new ConfigurationParser(warnings);
Configuration config = cp.parseConfiguration(configFile);
DefaultShellCallback callback = new DefaultShellCallback(overwrite);
MyBatisGenerator myBatisGenerator = new MyBatisGenerator(config, callback, warnings);
myBatisGenerator.generate(null);
}
}
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