父工程中的pom.xml

<?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.itheima</groupId><artifactId>ssm-father</artifactId><!-- 用于声明这是父工程--><packaging>pom</packaging><version>1.0-SNAPSHOT</version><properties><spring.version>5.0.5.RELEASE</spring.version><springmvc.version>5.0.5.RELEASE</springmvc.version><mybatis.version>3.4.5</mybatis.version></properties><!--用于聚合其他maven工程--><modules><module>ssm_dao</module><module>ssm_pojo</module><module>ssm_service</module><module>ssm_web</module></modules><!--锁定jar版本--><dependencyManagement><dependencies><!-- Mybatis --><dependency><groupId>org.mybatis</groupId><artifactId>mybatis</artifactId><version>${mybatis.version}</version></dependency><!-- springMVC --><dependency><groupId>org.springframework</groupId><artifactId>spring-webmvc</artifactId><version>${springmvc.version}</version></dependency><!-- spring --><dependency><groupId>org.springframework</groupId><artifactId>spring-context</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-aop</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-expression</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-aspects</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-test</artifactId><version>${spring.version}</version></dependency><dependency><groupId>org.springframework</groupId><artifactId>spring-jdbc</artifactId><version>${spring.version}</version></dependency><dependency><groupId>org.springframework</groupId><artifactId>spring-tx</artifactId><version>${spring.version}</version></dependency></dependencies></dependencyManagement><build><plugins><plugin><groupId>org.apache.maven.plugins</groupId><artifactId>maven-compiler-plugin</artifactId><version>3.1</version><configuration><source>1.8</source><target>1.8</target><encoding>UTF-8</encoding></configuration></plugin></plugins></build>

ssm_dao模块

UserDao接口

public interface UserDao {public void save(User user);public List<User> list();
}

applicationContext-dao.xml 配置文件

<!--找到properties--><context:property-placeholder location="classpath:druid.properties"></context:property-placeholder><!--配置数据源--><bean id="dataSource" class="com.alibaba.druid.pool.DruidDataSource" init-method="init" destroy-method="close"><property name="driverClassName" value="${driverClassName}"></property><property name="url" value="${url}"></property><property name="username" value="${name}"></property><property name="password" value="${password}"></property></bean><!--整合mybatis--><bean id="sqlSessionFactory" class="org.mybatis.spring.SqlSessionFactoryBean"><property name="dataSource" ref="dataSource"/><property name="typeAliasesPackage" value="com.itheima.domin"></property></bean><!--mapper扫描器，用于产生代理对象--><bean class="org.mybatis.spring.mapper.MapperScannerConfigurer"><property name="basePackage" value="com.itheima.dao"/></bean>

UserDao.xml

<mapper namespace="com.itheima.dao.UserDao"><!-- 查询数据--><select id="list" resultType="User">select * from user</select><!-- 添加数据--><insert id="save" parameterType="User">insert into user values (#{id},#{username},#{password})</insert></mapper>

pom文件

 <parent><artifactId>ssm-father</artifactId><groupId>com.itheima</groupId><version>1.0-SNAPSHOT</version></parent><modelVersion>4.0.0</modelVersion><artifactId>ssm_dao</artifactId><dependencies><dependency><groupId>com.itheima</groupId><artifactId>ssm_pojo</artifactId><version>1.0-SNAPSHOT</version></dependency><!-- Mybatis和mybatis与spring的整合 --><dependency><groupId>org.mybatis</groupId><artifactId>mybatis</artifactId></dependency><dependency><groupId>org.mybatis</groupId><artifactId>mybatis-spring</artifactId><version>1.3.1</version></dependency><!-- MySql驱动 --><dependency><groupId>mysql</groupId><artifactId>mysql-connector-java</artifactId><version>5.1.32</version></dependency><!-- druid数据库连接池 --><dependency><groupId>com.alibaba</groupId><artifactId>druid</artifactId><version>1.0.9</version></dependency><!-- spring相关 --><dependency><groupId>org.springframework</groupId><artifactId>spring-context</artifactId></dependency><dependency><groupId>org.springframework</groupId><artifactId>spring-core</artifactId></dependency><dependency><groupId>org.springframework</groupId><artifactId>spring-aop</artifactId></dependency><dependency><groupId>org.springframework</groupId><artifactId>spring-expression</artifactId></dependency><dependency><groupId>org.springframework</groupId><artifactId>spring-beans</artifactId></dependency><dependency><groupId>org.springframework</groupId><artifactId>spring-aspects</artifactId></dependency><dependency><groupId>org.springframework</groupId><artifactId>spring-context-support</artifactId></dependency><dependency><groupId>org.springframework</groupId><artifactId>spring-test</artifactId></dependency><dependency><groupId>org.springframework</groupId><artifactId>spring-jdbc</artifactId></dependency><dependency><groupId>org.springframework</groupId><artifactId>spring-tx</artifactId></dependency><!-- junit测试 --><dependency><groupId>junit</groupId><artifactId>junit</artifactId><version>4.12</version></dependency></dependencies>

ssm_service层

pom文件

<parent><artifactId>ssm-father</artifactId><groupId>com.itheima</groupId><version>1.0-SNAPSHOT</version></parent><modelVersion>4.0.0</modelVersion><artifactId>ssm_service</artifactId><dependencies><dependency><groupId>com.itheima</groupId><artifactId>ssm_dao</artifactId><version>1.0-SNAPSHOT</version></dependency></dependencies>

UserService接口

public interface UserService {public void save(User user);public List<User> list();
}

UserServiceImpl 实现类

@Service
@Transactional
public class UserServiceImpl implements UserService {@Autowiredprivate UserDao dao;@Overridepublic void save(User user) {dao.save(user);}@Overridepublic List<User> list() {return dao.list();}
}

applicationContext-service.xml 配置文件

  <!--扫描service层--><context:component-scan base-package="com.itheima.service"/><!--事务管理--><bean id="transactionManager" class="org.springframework.jdbc.datasource.DataSourceTransactionManager"><property name="dataSource" ref="dataSource"/></bean><!--事务注解驱动--><tx:annotation-driven transaction-manager="transactionManager"/>

ssm_web 层

<parent><artifactId>ssm-father</artifactId><groupId>com.itheima</groupId><version>1.0-SNAPSHOT</version></parent><modelVersion>4.0.0</modelVersion><artifactId>ssm_web</artifactId><packaging>war</packaging><name>ssm_web Maven Webapp</name><!-- FIXME change it to the project's website --><url>http://www.example.com</url><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></properties><dependencies><dependency><groupId>com.itheima</groupId><artifactId>ssm_service</artifactId><version>1.0-SNAPSHOT</version></dependency><dependency><groupId>org.springframework</groupId><artifactId>spring-webmvc</artifactId></dependency><dependency><groupId>jstl</groupId><artifactId>jstl</artifactId><version>1.2</version></dependency><dependency><groupId>javax.servlet</groupId><artifactId>servlet-api</artifactId><version>2.5</version></dependency><dependency><groupId>javax.servlet.jsp</groupId><artifactId>jsp-api</artifactId><version>2.0</version></dependency></dependencies><build><finalName>ssm_web</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>

UserController

@Controller
@RequestMapping("/user")
public class UserController {@Autowiredprivate UserService service;@RequestMapping("/save")@ResponseBodypublic void save(User user) {service.save(user);}@RequestMapping("/list")public ModelAndView list() {List<User> list = service.list();ModelAndView view = new ModelAndView();view.addObject("list", list);view.setViewName("success");return view;}
}

springmvc.xml 配置文件

 <!--扫描路径--><context:component-scan base-package="com.itheima.web"></context:component-scan><!--视图解析器--><bean class="org.springframework.web.servlet.view.InternalResourceViewResolver"><property name="prefix" value="/WEB-INF/jsp/"/><property name="suffix" value=".jsp"/></bean><!--mvc驱动--><mvc:annotation-driven></mvc:annotation-driven><!--静态资源放行--><mvc:default-servlet-handler/>

web.xml

<display-name>Archetype Created Web Application</display-name><!--指定Spring配置文件位置--><context-param><param-name>contextConfigLocation</param-name><param-value>classpath*:applicationContext*.xml</param-value></context-param><!--配置Spring框架启动时使用的监听器--><listener><listener-class>org.springframework.web.context.ContextLoaderListener</listener-class></listener><!--配置SpringMVC的前端控制器--><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:springmvc.xml</param-value></init-param></servlet><servlet-mapping><servlet-name>springmvc</servlet-name><url-pattern>/</url-pattern></servlet-mapping>

前端页面

login.jsp

<%@ page contentType="text/html;charset=UTF-8" isELIgnored="false" language="java" %>
<%@ taglib prefix="c" uri="http://java.sun.com/jsp/jstl/core" %>
<html>
<head><title>Title</title><script src="jQuery/jquery-2.2.3.min.js"></script><script>$(function () {$("form").submit(function () {var serialize = $("form").serialize();$.ajax({url: "user/save",data:serialize,type:"post",success:function(data){location.href="user/list";}});return false;});});</script>
</head>
<body>
<form>姓名： <input type="text" name="username"><br>密码： <input type="text" name="password"><br><input type="submit" value="提交"><br>
</form>
</table>
</body>
</html>

success.jsp

**<%@ page contentType="text/html;charset=UTF-8" isELIgnored="false" language="java" %>
<%@ taglib prefix="c" uri="http://java.sun.com/jsp/jstl/core" %>
<html>
<head><title>Title</title>
</head>
<body>
<table border="1"><tr><td>编号</td><td>姓名</td><td>密码</td></tr><c:forEach items="${list}" var="li"><tr><td>${li.id}</td><td>${li.username}</td><td>${li.password}</td></tr></c:forEach>
</table>
</body>
</html>
**