> 文档中心 > 【重温SSM框架系列】14 - SSM的整合(Spring + SpringMVC + Mybatis)

【重温SSM框架系列】14 - SSM的整合(Spring + SpringMVC + Mybatis)

SSM的整合

  • 搭建SSM环境
  • ==SSM框架demo工程已上传至github:[https://github.com/Bryant6/SSM_Demo.git](https://github.com/Bryant6/SSM_Demo.git)==
    • 创建maven工程
    • 创建工程结构
    • 引入所需依赖pom.xml
    • 创建数据库表
  • 创建配置文件
    • MySQL数据库连接信息db.properties
    • Spring核心配置文件applicationContext.xml
    • SpringMVC核心配置文件springmvc.xml
    • mybatis核心配置文件sqlMapConfig.xml
    • 日志配置文件log4j.properties
    • 监听器、过滤器、前端控制器等配置web.xml
  • 各层类的创建(以插入user为例)
    • 创建User实体类
    • 创建UserMapper【dao层】
    • 创建UserService及实现类UserServiceImpl【service层】
    • 创建UserController【controller层】
    • 创建前端jsp页面
    • 启动Tomcat测试

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SSM专栏:https://blog.csdn.net/weixin_43598687/category_11652306.html

搭建SSM环境

SSM框架demo工程已上传至github:https://github.com/Bryant6/SSM_Demo.git

创建maven工程

1. File–>New–>Project
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**2. 选择Maven工程,并指定JDK,然后添加工程模板。

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3. 填写项目名、存储路径、GroupId
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4. 指定maven的安装路径、配置文件以及仓库
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创建工程结构

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引入所需依赖pom.xml

整合SSM的基础依赖如下:

  <properties>        <spring.version>5.0.8.RELEASE</spring.version>    <mybais.version>3.4.6</mybais.version>    <mybatis-spring.version>1.3.2</mybatis-spring.version>    <mysql-connector.version>5.1.46</mysql-connector.version>    <ojdbc7.version>12.1.0.2.0</ojdbc7.version>    <druid.version>1.0.16</druid.version>    <aopalliance.version>1.0</aopalliance.version>    <aspectj.weaver.version>1.6.4.RELEASE</aspectj.weaver.version>    <commons.logging.version>1.1.1</commons.logging.version>    <jstl.version>1.2</jstl.version>    <log4j.version>1.2.16</log4j.version>    <slf4j-api.version>1.6.1</slf4j-api.version>    <slf4j-nop.version>1.6.4</slf4j-nop.version>    <fileupload.version>1.3.1</fileupload.version>    <jackson.version>2.9.6</jackson.version>    <junit.version>4.9</junit.version>    <servlet-api.version>8.5.32</servlet-api.version>    <jsp-api.version>8.5.32</jsp-api.version>        <maven-compiler-plugin.version>3.8.0</maven-compiler-plugin.version>    <tomcat7-maven-plugin.version>2.2</tomcat7-maven-plugin.version>  </properties>

完整的pom.xml见:SSM整合依赖包pom.xml:https://blog.csdn.net/weixin_43598687/article/details/124066660

创建数据库表

创建一个user表。
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创建配置文件

MySQL数据库连接信息db.properties

jdbc.driverClass=com.mysql.jdbc.Driverjdbc.jdbcUrl=jdbc:mysql://localhost:3306/ssm_demo?useUnicoid=true&characterEncoding=UTF8&useSSL=falsejdbc.user=rootjdbc.password=123456

Spring核心配置文件applicationContext.xml

<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:aop="http://www.springframework.org/schema/aop"xmlns:tx="http://www.springframework.org/schema/tx"xsi:schemaLocation="http://www.springframework.org/schema/beanshttp://www.springframework.org/schema/beans/spring-beans-4.3.xsdhttp://www.springframework.org/schema/contexthttp://www.springframework.org/schema/context/spring-context-4.3.xsd http://www.springframework.org/schema/aophttp://www.springframework.org/schema/aop/spring-aop.xsdhttp://www.springframework.org/schema/txhttp://www.springframework.org/schema/tx/spring-tx.xsd">        <context:component-scan base-package="com.demo.service"/>        <bean id="dataSource" class="com.alibaba.druid.pool.DruidDataSource"> <property name="driverClassName" value="com.mysql.jdbc.Driver"/> <property name="url" value="jdbc:mysql://localhost:3306/ssm_demo"/> <property name="username" value="root"/> <property name="password" value="123456"/>    </bean>    <bean id="sessionFactory" class="org.mybatis.spring.SqlSessionFactoryBean"> <property name="dataSource" ref="dataSource"/>    </bean>        <bean id="mapperScannerConfigurer" class="org.mybatis.spring.mapper.MapperScannerConfigurer"> <property name="sqlSessionFactory" ref="sessionFactory"/> <property name="basePackage" value="com.demo.mapper"/>    </bean>            <bean id="transactionManager" class="org.springframework.jdbc.datasource.DataSourceTransactionManager"> <property name="dataSource" ref="dataSource"/>    </bean>        <tx:advice id="txAdvice" transaction-manager="transactionManager"> <tx:attributes>     <tx:method name="find" read-only="true"/>     <tx:method name="*"/> </tx:attributes>    </tx:advice>        <aop:config> <aop:advisor advice-ref="txAdvice" pointcut="execution(public * com.demo.service.*ServiceImpl.*(..))"/>    </aop:config></beans>

SpringMVC核心配置文件springmvc.xml

<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/mvc http://www.springframework.org/schema/mvc/spring-mvc-4.3.xsdhttp://www.springframework.org/schema/beans http://www.springframework.org/schema/beans/spring-beans-4.3.xsdhttp://www.springframework.org/schema/context http://www.springframework.org/schema/context/spring-context-4.3.xsd">        <context:component-scan base-package="com.demo.controller"/>        <bean id="viewResolver" class="org.springframework.web.servlet.view.InternalResourceViewResolver"> <property name="prefix" value="/views/"/> <property name="suffix" value=".jsp"/>    </bean>            <mvc:annotation-driven/></beans>

mybatis核心配置文件sqlMapConfig.xml

<!DOCTYPE configuration PUBLIC "-//mybatis.org//DTD Config 3.0//EN" "http://mybatis.org/dtd/mybatis-3-config.dtd"><configuration>        <environments default="mysql"> <environment id="mysql">     <transactionManager type="JDBC"></transactionManager>     <dataSource type="POOLED">  <property name="driver" value="com.mysql.jdbc.Driver"/>  <property name="url" value="jdbc:mysql://localhost:3306/ssm_demo"/>  <property name="username" value="root"/>  <property name="password" value="123456"/>     </dataSource> </environment>    </environments>         <mappers> <package name="com.demo.mapper"/>    </mappers></configuration>

日志配置文件log4j.properties

log4j.rootCategory=ERROR, CONSOLE log4j.logger.com.demo.mapper=DEBUGlog4j.appender.CONSOLE=org.apache.log4j.ConsoleAppenderlog4j.appender.CONSOLE.layout=org.apache.log4j.PatternLayoutlog4j.appender.CONSOLE.layout.ConversionPattern=%C %d{YYYY-MM-dd hh:mm:ss}  %m %nlog4j.appender.LOGFILE=org.apache.log4j.FileAppenderlog4j.appender.LOGFILE.File=E:/my.loglog4j.appender.LOGFILE.Append=truelog4j.appender.LOGFILE.layout=org.apache.log4j.PatternLayoutlog4j.appender.LOGFILE.layout.ConversionPattern=%m %n

监听器、过滤器、前端控制器等配置web.xml

<!DOCTYPE web-app PUBLIC "-//Sun Microsystems, Inc.//DTD Web Application 2.3//EN" "http://java.sun.com/dtd/web-app_2_3.dtd" ><web-app>  <display-name>Archetype Created Web Application</display-name>    <listener>    <listener-class>org.springframework.web.context.ContextLoaderListener</listener-class>  </listener>  <context-param>    <param-name>contextConfigLocation</param-name>    <param-value>classpath:applicationContext.xml</param-value>  </context-param>  <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>  </filter>  <filter-mapping>    <filter-name>characterEncodingFilter</filter-name>    <url-pattern>/*</url-pattern>  </filter-mapping>    <servlet>    <servlet-name>dispatcherServlet</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>        <load-on-startup>1</load-on-startup>  </servlet>  <servlet-mapping>    <servlet-name>dispatcherServlet</servlet-name>    <url-pattern>/</url-pattern>  </servlet-mapping></web-app>

各层类的创建(以插入user为例)

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创建User实体类

package com.demo.domain;import java.io.Serializable;public class User implements Serializable {    private Integer id;    private String username;    private String password;    public User() {    }    public User(Integer id, String username, String password) { this.id = id; this.username = username; this.password = password;    }    public String getUsername() { return username;    }    public void setUsername(String username) { this.username = username;    }    public String getPassword() { return password;    }    public void setPassword(String password) { this.password = password;    }    @Override    public String toString() { return "User{" +  "id=" + id +  ", username='" + username + '\'' +  ", password='" + password + '\'' +  '}';    }}

创建UserMapper【dao层】

UserMapper

public interface UserMapper {    @Insert(value = "insert into user(username,password) values(#{username},#{password})")    void save(User user);}

创建UserService及实现类UserServiceImpl【service层】

UserService

public interface UserService {    //保存用户    void save(User user);}

UserServiceImpl

@Servicepublic class UserServiceImpl implements UserService {    @Autowired    private UserMapper userMapper;    @Override    public void save(User user) { userMapper.save(user);    }}

创建UserController【controller层】

@Controller@RequestMapping("/user")public class UserController {    @Autowired    private UserService userService;    @RequestMapping("/save")    public String save(User user){ System.out.println("controller层:保存账户。。。"); userService.save(user); return "success";    }}

创建前端jsp页面

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success.jsp

<html><head>    <title>Title</title></head><body>    <h3>成功了</h3></body></html>

list.jsp

<html><head>    <title>Title</title></head><body><%--    <h3>用户列表页面</h3>--%><%--    <a href="/user/findAll">查询所有</a>--%>    <h3>测试新增</h3>    <form action="/user/save" method="post"> 姓名:<input type="text" name="username"> 密码:<input type="password" name="password"> <input type="submit" value="提交">    </form></body></html>

启动Tomcat测试

启动成功,访问:http://localhost:8080/list.jsp
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填入数据,点击提交。
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提交成功,查看数据库写入
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SSM环境整合成功!!!

SSM矿建demo工程已上传至github:https://github.com/Bryant6/SSM_Demo.git

SSM专栏:https://blog.csdn.net/weixin_43598687/category_11652306.html

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