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SSM整合，非常详细的ssm整合 案例【源码】_ssmao

作者：weixin_40725706 | 2024-02-27 14:20:05

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ssmao

 

目录

ssm的整合就是spring框架和mybatis框架的整合

一，创建一个mven web项目：

 二，引用相关的依赖

三,配置springMVC配置文件

四，配置spring文件

五，web.xml

六，使用easycode代码生成器

七，业务层

八，控制层

九，结果

​

ssm的整合就是spring框架和mybatis框架的整合

一，创建一个mven web项目：

 

将web.xml文件中的内容用下面的代码替换掉 

  1. <?xml version="1.0" encoding="UTF-8"?>
  2. <web-app xmlns="http://xmlns.jcp.org/xml/ns/javaee"
  3.          xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
  4.          xsi:schemaLocation="http://xmlns.jcp.org/xml/ns/javaee http://xmlns.jcp.org/xml/ns/javaee/web-app_4_0.xsd"
  5.          version="4.0">
  6.  
  7. </web-app>

 二，引用相关的依赖

  1.  <dependencies>
  2.      <dependency>
  3.       <groupId>org.springframework</groupId>
  4.       <artifactId>spring-tx</artifactId>
  5.       <version>5.2.9.RELEASE</version>
  6.     </dependency>
  7.     <dependency>
  8.       <groupId>org.springframework</groupId>
  9.       <artifactId>spring-jdbc</artifactId>
  10.       <version>5.2.9.RELEASE</version>
  11.     </dependency>
  12.     <!--spring和mybatis整合的依赖-->
  13.     <dependency>
  14.       <groupId>org.mybatis</groupId>
  15.       <artifactId>mybatis-spring</artifactId>
  16.       <version>2.0.6</version>
  17.     </dependency>
  18.     <!--druid连接池-->
  19.     <dependency>
  20.       <groupId>com.alibaba</groupId>
  21.       <artifactId>druid</artifactId>
  22.       <version>1.2.4</version>
  23.     </dependency>
  24.        <!--springmvc-->
  25.     <dependency>
  26.       <groupId>org.springframework</groupId>
  27.       <artifactId>spring-webmvc</artifactId>
  28.       <version>5.2.9.RELEASE</version>
  29.     </dependency>
  30.     <!--mybatis的依赖-->
  31.     <dependency>
  32.       <groupId>org.mybatis</groupId>
  33.       <artifactId>mybatis</artifactId>
  34.       <version>3.5.6</version>
  35.     </dependency>
  36.     <!--mysql的依赖-->
  37.     <dependency>
  38.       <groupId>mysql</groupId>
  39.       <artifactId>mysql-connector-java</artifactId>
  40.       <version>8.0.26</version>
  41.     </dependency>
  42.     <!--lombok-->
  43.     <dependency>
  44.       <groupId>org.projectlombok</groupId>
  45.       <artifactId>lombok</artifactId>
  46.       <version>1.18.22</version>
  47.     </dependency>
  48.     <!--jackson-->
  49.     <dependency>
  50.       <groupId>com.fasterxml.jackson.core</groupId>
  51.       <artifactId>jackson-databind</artifactId>
  52.       <version>2.12.4</version>
  53.     </dependency>
  54.     <!--servlet和jsp-->
  55.     <dependency>
  56.       <groupId>javax.servlet</groupId>
  57.       <artifactId>servlet-api</artifactId>
  58.       <version>2.5</version>
  59.     </dependency>
  60.     <dependency>
  61.       <groupId>javax.servlet.jsp</groupId>
  62.       <artifactId>jsp-api</artifactId>
  63.       <version>2.2</version>
  64.     </dependency>
  65.     <!--log4j-->
  66.     <dependency>
  67.       <groupId>log4j</groupId>
  68.       <artifactId>log4j</artifactId>
  69.       <version>1.2.17</version>
  70.     </dependency>
  71.     <dependency>
  72.       <groupId>org.slf4j</groupId>
  73.       <artifactId>slf4j-log4j12</artifactId>
  74.       <version>1.7.30</version>
  75.     </dependency>
  76.   </dependencies>

三,配置springMVC配置文件

  1. <?xml version="1.0" encoding="UTF-8"?>
  2. <beans xmlns="http://www.springframework.org/schema/beans"
  3.        xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
  4.        xmlns:context="http://www.springframework.org/schema/context"
  5.        xmlns:mvc="http://www.springframework.org/schema/mvc"
  6.        xsi:schemaLocation="http://www.springframework.org/schema/beans http://www.springframework.org/schema/beans/spring-beans.xsd http://www.springframework.org/schema/context https://www.springframework.org/schema/context/spring-context.xsd http://www.springframework.org/schema/mvc https://www.springframework.org/schema/mvc/spring-mvc.xsd">
  7.     <!--包扫描-->
  8.     <context:component-scan base-package="com.rqk.controller"/>
  9.     <!--静态资源放行-->
  10.     <mvc:default-servlet-handler/>
  11.     <!--特殊注解开启-->
  12.     <mvc:annotation-driven/>
  13.     <!--视图解析器-->
  14.     <bean class="org.springframework.web.servlet.view.InternalResourceViewResolver">
  15.         <property name="prefix" value="/WEB-INF/views/"/>
  16.         <property name="suffix" value=".jsp"/>
  17.     </bean>
  18. </beans>

四，配置spring文件

  1. <?xml version="1.0" encoding="UTF-8"?>
  2. <beans xmlns="http://www.springframework.org/schema/beans"
  3.        xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
  4.        xmlns:context="http://www.springframework.org/schema/context"
  5.        xsi:schemaLocation="http://www.springframework.org/schema/beans http://www.springframework.org/schema/beans/spring-beans.xsd http://www.springframework.org/schema/context https://www.springframework.org/schema/context/spring-context.xsd">
  6.     <!--包扫描-->
  7.     <context:component-scan base-package="com.rqk.service"/>
  8.  
  9.     <bean id="ds" class="com.alibaba.druid.pool.DruidDataSource">
  10.         <!--定义数据源  连接数据库-->
  11.         <property name="driverClassName" value="com.mysql.cj.jdbc.Driver"/>
  12.         <property name="url"  value="jdbc:mysql://localhost:3306/mydatis?serverTimezone=Asia/Shanghai"/>
  13.         <property name="name"  value="root"/>
  14.         <property name="password"  value=""/>
  15.         <!--初始连接数-->
  16.         <property name="initialSize" value="5"/>
  17.         <!--最大连接数量-->
  18.         <property name="maxActive"  value="10"/>
  19.         <!--连接超时等待时间 单位：毫秒-->
  20.         <property name="maxWait" value="3000"/>
  21.     </bean>
  22.     <!--spring把mybatis配置文件的内容封装到SqlSessionFactoryBean类中-->
  23.     <bean id="sessionFactory" class="org.mybatis.spring.SqlSessionFactoryBean">
  24.        <!-- mybatis配置文件-->
  25.         <property name="dataSource" value="ds"/>
  26.         <property name="mapperLocations" value="classpath:mapper/*.xml"/>
  27.     </bean>
  28.     <!--为指定到接口生成代理实现类。交于spring容器管理dao接口的代理实现类-->
  29.     <bean class="org.mybatis.spring.mapper.MapperScannerConfigurer">
  30.         <property name="basePackage"    value="com.rqk.dao"/>
  31.     </bean>
  32. </beans>

五，web.xml

  1. <?xml version="1.0" encoding="UTF-8"?>
  2. <web-app xmlns="http://xmlns.jcp.org/xml/ns/javaee"
  3.          xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
  4.          xsi:schemaLocation="http://xmlns.jcp.org/xml/ns/javaee http://xmlns.jcp.org/xml/ns/javaee/web-app_4_0.xsd"
  5.          version="4.0">
  6.     <servlet>
  7.         <servlet-name>springmvc</servlet-name>
  8.         <servlet-class>org.springframework.web.servlet.DispatcherServlet</servlet-class>
  9.         <init-param>
  10.             <param-name>contextConfigLocation</param-name>
  11.             <param-value>classpath:springmvc.xml</param-value>
  12.         </init-param>
  13.     </servlet>
  14.     <servlet-mapping>
  15.         <servlet-name>springmvc</servlet-name>
  16.         <url-pattern>/</url-pattern>
  17.     </servlet-mapping>
  18.     <listener>
  19.         <listener-class>org.springframework.web.context.ContextLoaderListener</listener-class>
  20.     </listener>
  21.     <context-param>
  22.         <param-name>contextConfigLocation</param-name>
  23.         <param-value>classpath:spring.xml</param-value>
  24.     </context-param>
  25.     
  26. </web-app>

六，使用easycode代码生成器

七，业务层

       1. 业务层接口

  1. public interface Bookservice {
  2.     public List<Book> findall();
  3. }

         2.接口实现类

  1. @Service(value = "bookserviec")
  2. public class Bookserviecimpl implements Bookservice {
  3.     @Autowired
  4.     private BookDao bookDao;
  5.  
  6.  
  7.     public List<Book> findall() {
  8.  
  9.         return bookDao.findall();
  10.     }
  11. }

八，控制层

  1. @Controller
  2. @RequestMapping("/book")
  3. public class Bookcontroller {
  4.     @Autowired
  5.     private Bookservice bookserviec;
  6.     @RequestMapping("/list")
  7.     @ResponseBody
  8.     public List<Book> list(){
  9.        return bookserviec.findall();
  10.     }
  11. }

九，结果

 数据库信息

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