SSM框架整合案例

本教程详细讲解了如何整合Spring、SpringMVC、Mybatis(SSM)框架,从创建Maven项目到配置数据库连接池、引入前端框架bootstrap,实现增删改功能。涉及的版本包括Spring 5.1.5、Mysql 5.1.47、Druid 1.1.12、Mybatis 3.5.0。内容涵盖pom.xml配置、spring-mvc.xml、db.properties、mybatis-config.xml、spring-dao.xml以及web.xml等关键配置文件。

概述:本教程主要介绍SSM框架搭建的一般过程,并实现了简单的增删改功能

版本说明:

Spring相关:5.1.5

Mysql:5.1.47

druid连接池:1.1.12

Mybatis:3.5.0

1、创建maven项目

(1)创建ssm数据库表

CREATE TABLE `product` (
  `id` int(11) NOT NULL AUTO_INCREMENT,
  `name` varchar(255) CHARACTER SET utf8 DEFAULT NULL,
  `price` decimal(10,2) DEFAULT NULL,
  `detail` varchar(255) CHARACTER SET utf8 DEFAULT NULL,
  PRIMARY KEY (`id`) USING BTREE
) ENGINE=InnoDB AUTO_INCREMENT=8 DEFAULT CHARSET=utf8mb4 ROW_FORMAT=DYNAMIC;

(2)创建MVC架构目录

项目结构如图所示

(3)引入前端框架bootstrap

2、导入相关依赖

(1)spring相关

  • spring
  • spring-webmvc
  • aop,aspectJ

(2)数据库相关

  • mysql
  • druid
  • spring-jdbc
  • spring-tx

(3)mybatis相关

  • mybatis、mybatis-spring

(4)其他

  • fastJson、jstl、java-serlvelet-api
  • log4j、spring-test

pom.xml内容如下:

<properties>
        <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
        <maven.compiler.source>1.7</maven.compiler.source>
        <maven.compiler.target>1.7</maven.compiler.target>
        <spring-version>5.1.5.RELEASE</spring-version>
    </properties>
​
    <dependencies>      
​
        <!--aop、aspectj-->
        <dependency>
            <groupId>org.springframework</groupId>
            <artifactId>spring-aop</artifactId>
            <version>${spring-version}</version>
        </dependency>
        <dependency>
            <groupId>aopalliance</groupId>
            <artifactId>aopalliance</artifactId>
            <version>1.0</version>
        </dependency>
        <dependency>
            <groupId>aspectj</groupId>
            <artifactId>aspectjweaver</artifactId>
            <version>1.5.4</version>
        </dependency>
        <dependency>
            <groupId>org.springframework</groupId>
            <artifactId>spring-aspects</artifactId>
            <version>${spring-version}</version>
        </dependency>
​
        <!--springmvc-->
        <dependency>
            <groupId>org.springframework</groupId>
            <artifactId>spring-webmvc</artifactId>
            <version>${spring-version}</version>
        </dependency>
​
        <!--mybatis-->
        <dependency>
            <groupId>org.mybatis</groupId>
            <artifactId>mybatis</artifactId>
            <version>3.5.0</version>
        </dependency>
        <dependency>
            <groupId>org.mybatis</groupId>
            <artifactId>mybatis-spring</artifactId>
            <version>2.0.0</version>
        </dependency>
​
        <!--mysql、druid、jdbc、transaction-->
        <dependency>
            <groupId>mysql</groupId>
            <artifactId>mysql-connector-java</artifactId>
            <version>5.1.47</version>
        </dependency>
​
        <dependency>
            <groupId>com.alibaba</groupId>
            <artifactId>druid</artifactId>
            <version>1.1.12</version>
        </dependency>
​
        <dependency>
            <groupId>org.springframework</groupId>
            <artifactId>spring-jdbc</artifactId>
            <version>${spring-version}</version>
        </dependency>
        <dependency>
            <groupId>org.springframework</groupId>
            <artifactId>spring-tx</artifactId>
            <version>${spring-version}</version>
        </dependency>
​
        <!--fastjson-->
        <dependency>
            <groupId>com.alibaba</groupId>
            <artifactId>fastjson</artifactId>
            <version>1.2.51</version>
        </dependency>
​
        <!--jstl、servlet-api、log4j-->
        <dependency>
            <groupId>javax.servlet</groupId>
            <artifactId>jstl</artifactId>
            <version>1.2</version>
        </dependency>
        <dependency>
            <groupId>javax.servlet</groupId>
            <artifactId>javax.servlet-api</artifactId>
            <version>4.1.0</version>
        </dependency>
        <dependency>
            <groupId>org.apache.logging.log4j</groupId>
            <artifactId>log4j-core</artifactId>
            <version>2.11.2</version>
        </dependency>
​
        <dependency>
            <groupId>junit</groupId>
            <artifactId>junit</artifactId>
            <version>4.12</version>
            <scope>test</scope>
        </dependency>
    </dependencies>

 

3、resources目录下创建spring-mvc.xml

(1)扫描控制器

(2)配置视图解析器

spring-mvc.xml内容如下:

<?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">
    <!--配置扫描包-->
    <context:component-scan base-package="com.inspur.ssm" use-default-filters="false">
        <context:include-filter type="annotation" expression="org.springframework.stereotype.Controller"/>
    </context:component-scan>
    <!--注解驱动-->
    <mvc:annotation-driven/>
    <!--处理静态资源-->
    <mvc:default-servlet-handler/>
    <!--配置视图解析器-->
    <bean class="org.springframework.web.servlet.view.InternalResourceViewResolver">
        <property name="prefix" value="/WEB-INF/views/"/>
        <property name="suffix" value=".jsp"/>
    </bean>
</beans>

 

4、数据源配置文件

db.properites内容如下

jdbc.driver=com.mysql.jdbc.Driver
jdbc.url=jdbc:mysql:///ssm
jdbc.username=root
jdbc.password=root

5、配置mybatis全局文件

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>
    <!--启用驼峰命名-->
    <settings>
        <setting name="mapUnderscoreToCamelCase" value="true"/>
    </settings>
    <typeAliases>
        <package name="com.inspur.ssm.domain"/>
    </typeAliases>
</configuration>

6、创建spring-dao.xml

(1)扫描业务逻辑组件

(2)加载数据库配置

(3)连接池配置

(4)mybatis配置

(5)事务配置

<?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:spring-mybatis="http://mybatis.org/schema/mybatis-spring"
       xmlns:tx="http://www.springframework.org/schema/tx" xmlns:aop="http://www.springframework.org/schema/aop"
       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://mybatis.org/schema/mybatis-spring http://mybatis.org/schema/mybatis-spring.xsd http://www.springframework.org/schema/tx http://www.springframework.org/schema/tx/spring-tx.xsd http://www.springframework.org/schema/aop http://www.springframework.org/schema/aop/spring-aop.xsd">
​
    <!--管理所有业务逻辑组件-->
    <context:component-scan base-package="com.inspur.ssm">
        <context:exclude-filter type="annotation" expression="org.springframework.stereotype.Controller"/>
    </context:component-scan>
    <!--加载数据源配置-->
    <context:property-placeholder location="classpath:db.properties"/>
    <!--配置druid-->
    <bean class="com.alibaba.druid.pool.DruidDataSource" name="dataSource">
        <property name="driverClassName" value="${jdbc.driver}"/>
        <property name="url" value="${jdbc.url}"/>
        <property name="username" value="${jdbc.username}"/>
        <property name="password" value="${jdbc.password}"/>
    </bean>
    <bean class="org.springframework.jdbc.datasource.DataSourceTransactionManager" name="transactionManager">
        <property name="dataSource" ref="dataSource"/>
        <property name="defaultTimeout" value="10"/>
    </bean>
    <!--mybatis配置-->
    <bean class="org.mybatis.spring.SqlSessionFactoryBean" name="sqlSessionFactory">
        <property name="dataSource" ref="dataSource"/>
        <!--指定mybaits全局配置文件位置-->
        <property name="configLocation" value="classpath:mybatis/mybatis-config.xml"/>
        <!--指定mapper文件位置-->
        <property name="mapperLocations" value="classpath:mybatis/mappers/*.xml"/>
    </bean>
    <!--mybatis接口扫描-->
    <spring-mybatis:scan base-package="com.inspur.ssm.dao"/>
​
    <!--开启事务注解-->
    <tx:annotation-driven/>
    <!--通知-->
    <tx:advice id="txAdvice" transaction-manager="transactionManager">
        <!--传播行为-->
        <tx:attributes>
            <tx:method name="save*" propagation="REQUIRED"/>
            <tx:method name="update*" propagation="REQUIRED"/>
            <tx:method name="delete*" propagation="REQUIRED"/>
            <tx:method name="list*" read-only="true"/>
            <tx:method name="get*" read-only="true"/>
            <tx:method name="find*" read-only="true"/>
        </tx:attributes>
    </tx:advice>
    <!--aop-->
    <aop:config>
        <aop:advisor advice-ref="txAdvice" pointcut="execution(* com.inspur.ssm.service.*.*(..))"/>
    </aop:config>
</beans>

7、web.xml配置

(1)加载spring-dao

(2)加载spring-mvc

(3)处理中文乱码

web.xml内容如下

<!--加载spring配置-->
<context-param>
    <param-name>contextConfigLocation</param-name>
    <param-value>classpath:spring/spring-dao.xml</param-value>
</context-param>
<listener>
    <listener-class>org.springframework.web.context.ContextLoaderListener</listener-class>
</listener>
​
<!--加载springmvc配置-->
<servlet>
    <servlet-name>springmvc</servlet-name>
    <servlet-class>org.springframework.web.servlet.DispatcherServlet</servlet-class>
    <init-param>
        <param-name>contextConfigLocation</param-name>
        <param-value>classpath:spring/spring-mvc.xml</param-value>
    </init-param>
    <load-on-startup>1</load-on-startup>
</servlet>
<servlet-mapping>
    <servlet-name>springmvc</servlet-name>
    <url-pattern>/</url-pattern>
</servlet-mapping>
​
<!--处理中文乱码 要放在所有filter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>forceRequestEncoding</param-name>
        <param-value>true</param-value>
    </init-param>
    <init-param>
        <param-name>forceResponseEncoding</param-name>
        <param-value>true</param-value>
    </init-param>
</filter>
<filter-mapping>
    <filter-name>characterEncodingFilter</filter-name>
    <url-pattern>/*</url-pattern>
</filter-mapping>

8、日志文件

log4j2.xml内容如下

<?xml version="1.0" encoding="UTF-8"?>
<configuration status="OFF">
    <appenders>
        <Console name="Console" target="SYSTEM_OUT">
            <PatternLayout pattern="%d{yyyy-MM-dd HH:mm:ss.SSS} [%t] %-5level %logger{36} ---- %msg%n"/>
        </Console>
    </appenders>
    <loggers>
        <root level="DEBUG">
            <appender-ref ref="Console"/>
        </root>
    </loggers>
</configuration>

9、测试

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