通过IEAD+Maven快速搭建SSM项目的过程(Spring + Spring MVC + Mybatis)

项目效果预览：

通过访问控制层的test/dologin方法进入index.jsp，展示jsp中的“hello,ssm”内容

1.打开IDEA，新建一个Maven项目

2.点击next,新建一个为ssmDemo的Maven项目（自己定义项目GroupId和ArtifactId）

3.配置本地Maven路径

4.点击Next,确认项目信息,配置项目名称和项目路径，点击Finish按钮即可创建项目

5.项目创建完成,目录结构如下：

注：如项目目录中未包含src,则项目还在初始化，注意网络连接，稍等片刻即可

二、补充项目结构：

1.在main文件夹下面创建java和resources文件夹

2.使java文件夹为项目资源文件夹（Sources root）

3.使resources文件夹为Resources root

4.在src/java目录下面创建com包，在com包创建controller、dao、po、service、service.impl包

<?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/xsd/maven-4.0.0.xsd'> <modelVersion>4.0.0</modelVersion> <groupId>com.demo</groupId> <artifactId>ssmDemo02</artifactId> <version>1.0-SNAPSHOT</version> <packaging>war</packaging> <name>ssmDemo02 Maven Webapp</name> <!-- FIXME change it to the project’s website --> <url>http://www.example.com</url> <properties> <!--编译编码--> <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding> <!--maven版本管理--> <maven.compiler.source>1.7</maven.compiler.source> <maven.compiler.target>1.7</maven.compiler.target> <!-- spring版本管理 当对spring进行版本控制后， maven导入的jar包就不需要关心版本的问题， 因为会自动匹配符合当前版本控制版本的jar包 ，导入方式如下：${spring.version}--> <spring.version>5.0.2.RELEASE</spring.version> <!-- log4j日志文件管理包版本 --> <slf4j.version>1.6.6</slf4j.version> <log4j.version>1.2.12</log4j.version> <shiro.version>1.2.3</shiro.version> <!-- mysql连接驱动版本号 --> <mysql.version>5.1.6</mysql.version> <!-- mybatis版本号 --> <mybatis.version>3.4.5</mybatis.version> <spring.security.version>5.0.1.RELEASE</spring.security.version> </properties> <dependencies> <!-- Mybatis 和 mybatis 与 spring 的整合 --> <dependency> <groupId>org.mybatis</groupId> <artifactId>mybatis</artifactId> <version>${mybatis.version}</version> </dependency> <dependency> <groupId>org.mybatis</groupId> <artifactId>mybatis-spring</artifactId> <version>1.3.0</version> </dependency> <dependency> <groupId>org.springframework</groupId> <artifactId>spring-context</artifactId> <version>${spring.version}</version> </dependency> <dependency> <groupId>org.springframework</groupId> <artifactId>spring-context-support</artifactId> <version>${spring.version}</version> </dependency> <dependency> <groupId>org.springframework</groupId> <artifactId>spring-aop</artifactId> <version>${spring.version}</version> </dependency> <dependency> <groupId>org.springframework</groupId> <artifactId>spring-core</artifactId> <version>${spring.version}</version> </dependency> <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> <dependency> <groupId>org.springframework</groupId> <artifactId>spring-beans</artifactId> <version>${spring.version}</version> </dependency> <dependency> <groupId>org.springframework</groupId> <artifactId>spring-test</artifactId> <version>${spring.version}</version> </dependency> <dependency> <groupId>org.springframework</groupId> <artifactId>spring-tx</artifactId> <version>${spring.version}</version> </dependency> <dependency> <groupId>org.springframework</groupId> <artifactId>spring-orm</artifactId> <version>${spring.version}</version> </dependency> <dependency> <groupId>org.aspectj</groupId> <artifactId>aspectjweaver</artifactId> <version>1.6.8</version> </dependency> <dependency> <groupId>org.springframework</groupId> <artifactId>spring-jdbc</artifactId> <version>${spring.version}</version> </dependency> <!--junit测试--> <dependency> <groupId>junit</groupId> <artifactId>junit</artifactId> <version>4.12</version> <scope>test</scope> </dependency> <!--mysql--> <dependency> <groupId>mysql</groupId> <artifactId>mysql-connector-java</artifactId> <version>${mysql.version}</version> </dependency> <!--servlet--> <dependency> <groupId>javax.servlet</groupId> <artifactId>javax.servlet-api</artifactId> <version>3.1.0</version> <scope>provided</scope> </dependency> <dependency> <groupId>javax.servlet.jsp</groupId> <artifactId>jsp-api</artifactId> <version>2.0</version> <scope>provided</scope> </dependency> <!--jstl--> <dependency> <groupId>jstl</groupId> <artifactId>jstl</artifactId> <version>1.2</version> </dependency> <!-- log --> <dependency> <groupId>log4j</groupId> <artifactId>log4j</artifactId> <version>${log4j.version}</version> </dependency> <dependency> <groupId>org.slf4j</groupId> <artifactId>slf4j-api</artifactId> <version>${slf4j.version}</version> </dependency> <dependency> <groupId>org.slf4j</groupId> <artifactId>slf4j-log4j12</artifactId> <version>${slf4j.version}</version> </dependency> <!--alibaba连接池--> <dependency> <groupId>com.alibaba</groupId> <artifactId>druid</artifactId> <version>1.0.9</version> </dependency> </dependencies> <build> <finalName>ssmDemo02</finalName> <pluginManagement><!-- lock down plugins versions to avoid using Maven defaults (may be moved to parent pom) --> <plugins> <plugin> <artifactId>maven-clean-plugin</artifactId> <version>3.1.0</version> </plugin> <!-- see http://maven.apache.org/ref/current/maven-core/default-bindings.html#Plugin_bindings_for_war_packaging --> <plugin> <artifactId>maven-resources-plugin</artifactId> <version>3.0.2</version> </plugin> <plugin> <artifactId>maven-compiler-plugin</artifactId> <version>3.8.0</version> </plugin> <plugin> <artifactId>maven-surefire-plugin</artifactId> <version>2.22.1</version> </plugin> <plugin> <artifactId>maven-war-plugin</artifactId> <version>3.2.2</version> </plugin> <plugin> <artifactId>maven-install-plugin</artifactId> <version>2.5.2</version> </plugin> <plugin> <artifactId>maven-deploy-plugin</artifactId> <version>2.8.2</version> </plugin> </plugins> </pluginManagement> </build></project>

效果图：

注1：代码复制完成后，选择右下角的Import Changes

注2：如Import Changes后External还未出现jar包,则选中项目，右键，选择maven，Generate Sources...

1.选择项目右键 -- open Module Setting

2.选择Artifact

3.选择项目名，选择outPut LayOut，选择Available Elements -- 选择项目名称 -- 右键 -- put into...

效果图(WEB-INF中添加了lib目录)：

1.选择右侧侧栏的maven

2.选择Lifecycle -- 选择clean(双击)

3.选择Lifecycle -- 选择install(双击)

4.效果图

1.添加tomcat(run --> editConfigurations --> 点击+ --> 选择tomcat-- local)

2.配置Deployment(点击Deployment -- 选择右下角+ -- 选择Artifact --选择Artifa)

3.配置访问路径:/ssmDemotest

4.启动tomcat，访问：http://localhost:8080/ssmDemotest

1.在src/resources文件夹下面添加mybatis包、spring包

2.在src/resources文件夹下面添加log4j.properties、db.properties

3.在mybatis包下添加：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> <!-- 别名 --> <typeAliases> <package name='com.po' /> </typeAliases></configuration>

4.在spring包下添加：spring-dao.xml

<?xml version='1.0' encoding='UTF-8'?><beans xmlns='http://www.springframework.org/schema/beans' xmlns:context='http://www.springframework.org/schema/context' xmlns:p='http://www.springframework.org/schema/p' xmlns:aop='http://www.springframework.org/schema/aop' xmlns:tx='http://www.springframework.org/schema/tx' 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-4.0.xsd http://www.springframework.org/schema/context http://www.springframework.org/schema/context/spring-context-4.0.xsd http://www.springframework.org/schema/aop http://www.springframework.org/schema/aop/spring-aop-4.0.xsd http://www.springframework.org/schema/tx http://www.springframework.org/schema/tx/spring-tx-4.0.xsd http://www.springframework.org/schema/util http://www.springframework.org/schema/util/spring-util-4.0.xsd'> <!-- 1.配置component-scan 扫描service,mapper包 --> <!-- 如不写,则在控制层的@Resource注解则指定不到对应的service类 --> <context:component-scan base-package='com.service' /> <context:component-scan base-package='com.dao' /> <!-- 2.配置 读取properties文件 jdbc.properties --> <context:property-placeholder location='classpath:db.properties' /> <!-- 3.配置 数据源 --> <bean class='com.alibaba.druid.pool.DruidDataSource'> <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> <!-- 4.配置SqlSessionFactory对象 --> <bean class='org.mybatis.spring.SqlSessionFactoryBean'> <!-- 4.1.注入数据库连接池 --> <property name='dataSource' ref='dataSource' /> <!-- 4.2.配置MyBaties全局配置文件:mybatis-config.xml --> <property name='configLocation' value='classpath:mybatis/mybatis-config.xml' /> <!-- 4.3.扫描entity包 使用别名 --> <property name='typeAliasesPackage' value='com.po' /> <!-- 4.4.扫描sql配置文件:mapper需要的xml文件 <property name='mapperLocations' value='classpath:com/dao/*.xml' /> --> </bean> <!-- 5.配置Mapper扫描 --> <bean class='org.mybatis.spring.mapper.MapperScannerConfigurer'> <!-- 5.1.注入sqlSessionFactory --> <property name='sqlSessionFactoryBeanName' value='sqlSessionFactory' /> <!-- 5.2.配置Mapper扫描 --> <property name='basePackage' value='com.dao' /> </bean></beans>

5.在spring包下添加：spring-service.xml

<?xml version='1.0' encoding='UTF-8'?><beans xmlns='http://www.springframework.org/schema/beans' xmlns:context='http://www.springframework.org/schema/context' xmlns:p='http://www.springframework.org/schema/p' xmlns:aop='http://www.springframework.org/schema/aop' xmlns:tx='http://www.springframework.org/schema/tx' 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-4.0.xsd http://www.springframework.org/schema/context http://www.springframework.org/schema/context/spring-context-4.0.xsd http://www.springframework.org/schema/aop http://www.springframework.org/schema/aop/spring-aop-4.0.xsd http://www.springframework.org/schema/tx http://www.springframework.org/schema/tx/spring-tx-4.0.xsd http://www.springframework.org/schema/util http://www.springframework.org/schema/util/spring-util-4.0.xsd'> <!-- 配置Service扫描 --> <context:component-scan base-package='com.service' /></beans>

6.在spring包下添加：spring-mvc.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:p='http://www.springframework.org/schema/p' 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-4.0.xsd http://www.springframework.org/schema/mvc http://www.springframework.org/schema/mvc/spring-mvc-4.0.xsd http://www.springframework.org/schema/context http://www.springframework.org/schema/context/spring-context-4.0.xsd'> <!-- 1.配置Controller扫描 --> <context:component-scan base-package='com.controller' /> <!-- 2.配置注解驱动 --> <mvc:annotation-driven /> <!-- 3.配置视图解析器 --> <bean class='org.springframework.web.servlet.view.InternalResourceViewResolver'> <!-- 4.1.前缀 --> <property name='prefix' value='/WEB-INF/jsp/' /> <!-- 4.2.后缀 --> <property name='suffix' value='.jsp' /> </bean> </beans>

7. 完善web.xml

<?xml version='1.0' encoding='UTF-8'?><web-app xmlns:xsi='http://www.w3.org/2001/XMLSchema-instance' xmlns='http://java.sun.com/xml/ns/javaee' xsi:schemaLocation='http://java.sun.com/xml/ns/javaeehttp://java.sun.com/xml/ns/javaee/web-app_2_5.xsd' version='2.5'> <display-name>Archetype Created Web Application</display-name> <!-- 1.加载spring容器 --> <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> <!-- 2.springmvc前端控制器 --> <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> <!-- 3.设置匹配所有的url --> <servlet-mapping> <servlet-name>default</servlet-name> <url-pattern>*.js</url-pattern> </servlet-mapping> </web-app>八、启动tomcat,测试xml文件是否正确

1.如启动日志没有错误信息，则xml添加无误

2.如网址：http://localhost:8080/ssmDemotest 正常展示，则xml添加无误

注：由于大部分代码均为复制，可以重启IDEA

1.在controller包新建类：TestController

2.在类顶部(导包语句下面)添加注解：@Controller，@RequestMapping(value = 'test')

3.编写方法：

@RequestMapping('dologin')public String dologin() { System.out.println('====test===='); return 'index';}

1.在web-inf下创建目录：jsp

2.在jsp文件下创建:index.jsp

3.在index.jsp下添加:hello,ssm

http://localhost:8080/ssmDemotest/test/dologin

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