項目效果預覽：

通過訪問控制層的test/dologin方法進入index.jsp，展示jsp中的“hello,ssm”內容

一、新建項目：

1.打開IDEA，新建一個Maven項目

2.點擊next,新建一個為ssmDemo的Maven項目（自己定義項目GroupId和ArtifactId）

3.配置本地Maven路徑

4.點擊Next,確認項目信息,配置項目名稱和項目路徑，點擊Finish按鈕即可創建項目

5.項目創建完成,目錄結構如下：

注：如項目目錄中未包含src,則項目還在初始化，注意網絡連接，稍等片刻即可

二、補充項目結構：

1.在main文件夾下面創建java和resources文件夾

2.使java文件夾為項目資源文件夾（Sources root）

3.使resources文件夾為Resources root

4.在src/java目錄下面創建com包，在com包創建controller、dao、po、service、service.impl包

三、完善pom.xml(添加項目依賴--完整pom.xml代碼)

<?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> <!--編譯編碼--> <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 當對spring進行版本控制后， maven導入的jar包就不需要關心版本的問題， 因為會自動匹配符合當前版本控制版本的jar包 ，導入方式如下：${spring.version}--> <spring.version>5.0.2.RELEASE</spring.version> <!-- log4j日志文件管理包版本 --> <slf4j.version>1.6.6</slf4j.version> <log4j.version>1.2.12</log4j.version> <shiro.version>1.2.3</shiro.version> <!-- mysql連接驅動版本號 --> <mysql.version>5.1.6</mysql.version> <!-- mybatis版本號 --> <mybatis.version>3.4.5</mybatis.version> <spring.security.version>5.0.1.RELEASE</spring.security.version> </properties> <dependencies> <!-- Mybatis 和 mybatis 與 spring 的整合 --> <dependency> <groupId>org.mybatis</groupId> <artifactId>mybatis</artifactId> <version>${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>${spring.version}</version> </dependency> <!--junit測試--> <dependency> <groupId>junit</groupId> <artifactId>junit</artifactId> <version>4.12</version> <scope>test</scope> </dependency> <!--mysql--> <dependency> <groupId>mysql</groupId> <artifactId>mysql-connector-java</artifactId> <version>${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連接池--> <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>

效果圖：

注1：代碼復制完成后，選擇右下角的Import Changes

注2：如Import Changes后External還未出現jar包,則選中項目，右鍵，選擇maven，Generate Sources...

四、為項目導入jar包

1.選擇項目右鍵 -- open Module Setting

2.選擇Artifact

3.選擇項目名，選擇outPut LayOut，選擇Available Elements -- 選擇項目名稱 -- 右鍵 -- put into...

效果圖(WEB-INF中添加了lib目錄)：

五、完善target文件夾

1.選擇右側側欄的maven

2.選擇Lifecycle -- 選擇clean(雙擊)

3.選擇Lifecycle -- 選擇install(雙擊)

4.效果圖

六、測試項目

1.添加tomcat(run --> editConfigurations --> 點擊+ --> 選擇tomcat-- local)

2.配置Deployment(點擊Deployment -- 選擇右下角+ -- 選擇Artifact --選擇Artifa)

3.配置訪問路徑:/ssmDemotest

4.啟動tomcat，訪問：http://localhost:8080/ssmDemotest

七、編寫ssm框架所需xml

1.在src/resources文件夾下面添加mybatis包、spring包

2.在src/resources文件夾下面添加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> <!-- 別名 --> <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 掃描service,mapper包 --> <!-- 如不寫,則在控制層的@Resource注解則指定不到對應的service類 --> <context:component-scan base-package='com.service' /> <context:component-scan base-package='com.dao' /> <!-- 2.配置 讀取properties文件 jdbc.properties --> <context:property-placeholder location='classpath:db.properties' /> <!-- 3.配置 數據源 --> <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對象 --> <bean class='org.mybatis.spring.SqlSessionFactoryBean'> <!-- 4.1.注入數據庫連接池 --> <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.掃描entity包 使用別名 --> <property name='typeAliasesPackage' value='com.po' /> <!-- 4.4.掃描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掃描 --> <bean class='org.mybatis.spring.mapper.MapperScannerConfigurer'> <!-- 5.1.注入sqlSessionFactory --> <property name='sqlSessionFactoryBeanName' value='sqlSessionFactory' /> <!-- 5.2.配置Mapper掃描 --> <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掃描 --> <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掃描 --> <context:component-scan base-package='com.controller' /> <!-- 2.配置注解驅動 --> <mvc:annotation-driven /> <!-- 3.配置視圖解析器 --> <bean class='org.springframework.web.servlet.view.InternalResourceViewResolver'> <!-- 4.1.前綴 --> <property name='prefix' value='/WEB-INF/jsp/' /> <!-- 4.2.后綴 --> <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.加載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.設置匹配所有的url --> <servlet-mapping> <servlet-name>default</servlet-name> <url-pattern>*.js</url-pattern> </servlet-mapping> </web-app>八、啟動tomcat,測試xml文件是否正確

1.如啟動日志沒有錯誤信息，則xml添加無誤

2.如網址：http://localhost:8080/ssmDemotest 正常展示，則xml添加無誤

注：由于大部分代碼均為復制，可以重啟IDEA

九、controller層

1.在controller包新建類：TestController

2.在類頂部(導包語句下面)添加注解：@Controller，@RequestMapping(value = 'test')

3.編寫方法：

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

十、JSP

1.在web-inf下創建目錄：jsp

2.在jsp文件下創建:index.jsp

3.在index.jsp下添加:hello,ssm

十一、測試

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

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