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

2021-01-05 11:26:56 作者：weixin_41583535

这篇文章主要介绍了通过IEAD+Maven快速搭建SSM项目的过程(Spring + Spring MVC + Mybatis),本文给大家介绍的非常详细，对大家的学习或工作具有一定的参考借鉴价值，需要的朋友可以参考下

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

一、新建项目：

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

三、完善pom.xml(添加项目依赖--完整pom.xml代码)

<?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...

四、为项目导入jar包

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)：

五、完善target文件夹

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

六、测试项目

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

七、编写ssm框架所需xml

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 id="dataSource" 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 id="sqlSessionFactory" 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/javaee
http://java.sun.com/xml/ns/javaee/web-app_2_5.xsd" id="WebApp_ID"
     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

九、controller层

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";
}

十、JSP

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

十一、测试

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

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