14-SSM整合

今日知识

1. Spring整合MyBatis

2. SSM普通整合

3. SSM整合（Spring和SpringMVC分离）

4. 纯JavaConfig的SSM

Spring整合MyBatis

1. 导包

<properties>

    <spring.version>5.1.8.RELEASE</spring.version>

</properties>

<dependencies>

    <dependency>

        <groupId>org.springframework</groupId>

        <artifactId>spring-context</artifactId>

        <version>${spring.version}</version>

    </dependency>

    <dependency>

        <groupId>org.mybatis</groupId>

        <artifactId>mybatis</artifactId>

        <version>3.2.6</version>

    </dependency>

    <!--mybatis的spring支持包-->

    <dependency>

        <groupId>org.mybatis</groupId>

        <artifactId>mybatis-spring</artifactId>

        <version>1.2.2</version>

    </dependency>

    <!--连接数据库的四个包-->

    <dependency>

        <groupId>mysql</groupId>

        <artifactId>mysql-connector-java</artifactId>

        <version>8.0.16</version>

    </dependency>

    <dependency>

        <groupId>org.springframework</groupId>

        <artifactId>spring-jdbc</artifactId>

        <version>${spring.version}</version>

    </dependency>

    <dependency>

        <groupId>commons-dbcp</groupId>

        <artifactId>commons-dbcp</artifactId>

        <version>1.2.2</version>

    </dependency>

    <!--test-->

    <dependency>

        <groupId>junit</groupId>

        <artifactId>junit</artifactId>

        <version>4.12</version>

        <scope>test</scope>

    </dependency>

    <dependency>

        <groupId>org.springframework</groupId>

        <artifactId>spring-test</artifactId>

        <version>${spring.version}</version>

    </dependency>

</dependencies>

2. 创建UserMapper接口

public interface UserMapper {

    public User selectByPrimaryKey(int id);

}

3. 创建UserService接口

public interface UserService {

    public User selectByPrimaryKey(int id);

}

4. 创建UserMapperImpl实现类

@Component

public class UserServiceImpl implements UserService {

    @Autowired

    UserMapper userMapper;

    public User selectByPrimaryKey(int id) {

        return userMapper.selectByPrimaryKey(id);

    }

}

5. UserMapper.xml创建

<mapper namespace="com.rqy.mapper.UserMapper">

<resultMap id="BaseResultMap" type="com.rqy.domain.User">

<id column="id" jdbcType="INTEGER" property="id" />

<result column="username" jdbcType="VARCHAR" property="username" />

<result column="birthday" jdbcType="DATE" property="birthday" />

<result column="sex" jdbcType="CHAR" property="sex" />

<result column="address" jdbcType="VARCHAR" property="address" />

/resultMap>

<select id="selectByPrimaryKey" parameterType="java.lang.Integer"   resultMap="BaseResultMap">

select

  *

from user

where id = #{id,jdbcType=INTEGER}

</select>

</mapper>

6. application.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:aop="http://www.springframework.org/schema/aop"

   xmlns:context="http://www.springframework.org/schema/context"

   xmlns:mvc="http://www.springframework.org/schema/mvc"

   xsi:schemaLocation="

    http://www.springframework.org/schema/beans https://www.springframework.org/schema/beans/spring-beans.xsd

    http://www.springframework.org/schema/mvc https://www.springframework.org/schema/mvc/spring-mvc.xsd

    http://www.springframework.org/schema/context https://www.springframework.org/schema/context/spring-context.xsd

    http://www.springframework.org/schema/aop https://www.springframework.org/schema/aop/spring-aop.xsd">

<context:component-scan base-package="com.rqy"/>

<!--<mvc:annotation-driven/>-->

<!--数据源-->

<bean id="datasource" class="org.apache.commons.dbcp.BasicDataSource">

    <property name="driverClassName" value="com.mysql.jdbc.Driver"/>

    <property name="url" value="jdbc:mysql://localhost:3306/mybatisday01?serverTimezone=UTC"/>

    <property name="username" value="root"/>

    <property name="password" value="123456"/>

</bean>

<!--1.1.2	配置sqlSessionFactory-->

<bean id="sqlSessionFactory" class="org.mybatis.spring.SqlSessionFactoryBean">

    <property name="dataSource" ref="datasource"/>

    <!--<property name="configLocation" value="classpath:SqlMapConfig.xml"/>-->

 </bean>

<!--MapperFactoryBean,缺点每个mapper接口都要注册进来-->

<!--<bean id="userMapper" class="org.mybatis.spring.mapper.MapperFactoryBean">

    <property name="mapperInterface" value="com.rqy.mapper.UserMapper"/>

    &lt;!&ndash;sqlSessionFactory注入到mapper中，代替mapper实现类&ndash;&gt;

    <property name="sqlSessionFactory" ref="sqlSessionFactory"/>

</bean>-->

<!--把整个mapper接口所在的包都注册进来-->

<bean class="org.mybatis.spring.mapper.MapperScannerConfigurer">

    <!--扫描包，取代了SqlMapConfig.xml  mapper映射文件-->

    <property name="basePackage" value="com.rqy.mapper"/>

    <!--与上面不太一样-->

    <property name="sqlSessionFactoryBeanName"  value="sqlSessionFactory"/>

</bean>

</beans>

7. 测试

@RunWith(SpringJUnit4ClassRunner.class)

@ContextConfiguration("classpath:application.xml")

public class MyTest {

@Autowired

UserService userService;

@Test

public void  test(){

    User user = userService.selectByPrimaryKey(35);

    System.out.println(user);

}

}

SSM普通整合

1. 导包（数据源的包采用的druid的，你也可以采用其他的额）

<properties>

    <spring.version>5.1.8.RELEASE</spring.version>

</properties>

<dependencies>

    <dependency>

        <groupId>org.springframework</groupId>

        <artifactId>spring-webmvc</artifactId>

        <version>${spring.version}</version>

    </dependency>

    <dependency>

        <groupId>javax.servlet</groupId>

        <artifactId>servlet-api</artifactId>

        <version>3.0-alpha-1</version>

        <scope>provided</scope>

    </dependency>

    <dependency>

        <groupId>org.mybatis</groupId>

        <artifactId>mybatis</artifactId>

        <version>3.2.6</version>

    </dependency>

    <!--mybatis的spring支持包-->

    <dependency>

        <groupId>org.mybatis</groupId>

        <artifactId>mybatis-spring</artifactId>

        <version>1.2.2</version>

    </dependency>

    <!--连接数据库-->

    <dependency>

        <groupId>mysql</groupId>

        <artifactId>mysql-connector-java</artifactId>

        <version>8.0.16</version>

    </dependency>

    <dependency>

        <groupId>org.springframework</groupId>

        <artifactId>spring-jdbc</artifactId>

        <version>${spring.version}</version>

    </dependency>

    <dependency>

        <groupId>com.alibaba</groupId>

        <artifactId>druid</artifactId>

        <version>1.1.11</version>

    </dependency>

    <!--test-->

    <dependency>

        <groupId>junit</groupId>

        <artifactId>junit</artifactId>

        <version>4.12</version>

        <scope>test</scope>

    </dependency>

    <dependency>

        <groupId>org.springframework</groupId>

        <artifactId>spring-test</artifactId>

        <version>${spring.version}</version>

    </dependency>

    <!--jackson-->

    <dependency>

        <groupId>com.fasterxml.jackson.core</groupId>

        <artifactId>jackson-databind</artifactId>

        <version>2.9.7</version>

    </dependency>

</dependencies>

2. 创建UserMapper接口

public interface UserMapper {

    public User selectByPrimaryKey(int id);

}

3. 创建UserService接口

public interface UserService {

    public User selectByPrimaryKey(int id);

}

4. 创建UserMapperImpl实现类

@Component

public class UserServiceImpl implements UserService {

    @Autowired

    UserMapper userMapper;

    public User selectByPrimaryKey(int id) {

        return userMapper.selectByPrimaryKey(id);

    }

}

5. UserMapper.xml创建

<mapper namespace="com.rqy.mapper.UserMapper">

<resultMap id="BaseResultMap" type="com.rqy.domain.User">

<id column="id" jdbcType="INTEGER" property="id" />

<result column="username" jdbcType="VARCHAR" property="username" />

<result column="birthday" jdbcType="DATE" property="birthday" />

<result column="sex" jdbcType="CHAR" property="sex" />

<result column="address" jdbcType="VARCHAR" property="address" />

/resultMap>

<select id="selectByPrimaryKey" parameterType="java.lang.Integer"   resultMap="BaseResultMap">

select

  *

from user

where id = #{id,jdbcType=INTEGER}

</select>

</mapper>

6. application.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:mvc="http://www.springframework.org/schema/mvc"

   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/beans

	http://www.springframework.org/schema/beans/spring-beans-3.2.xsd

	http://www.springframework.org/schema/mvc

	http://www.springframework.org/schema/mvc/spring-mvc-3.2.xsd

	http://www.springframework.org/schema/context

	http://www.springframework.org/schema/context/spring-context-3.2.xsd

	http://www.springframework.org/schema/aop

	http://www.springframework.org/schema/aop/spring-aop-3.2.xsd

	http://www.springframework.org/schema/tx

	http://www.springframework.org/schema/tx/spring-tx-3.2.xsd">

<context:component-scan base-package="com.rqy"/>

<mvc:annotation-driven/>

<!--数据源-->

<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/mybatisday01?serverTimezone=UTC"/>

    <property name="username" value="root"/>

    <property name="password" value="123456"/>

</bean>

<!--1.1.2	配置sqlSessionFactory-->

<bean id="sqlSessionFactory" class="org.mybatis.spring.SqlSessionFactoryBean">

    <property name="dataSource" ref="datasource"/>

 </bean>

<!--把整个mapper接口所在的包都注册进来-->

<bean class="org.mybatis.spring.mapper.MapperScannerConfigurer">

    <!--扫描包，取代了SqlMapConfig.xml  mapper映射文件-->

    <property name="basePackage" value="com.rqy.mapper"/>

    <!--与上面不太一样-->

    <property name="sqlSessionFactoryBeanName"  value="sqlSessionFactory"/>

</bean>

<bean class="org.springframework.web.servlet.view.InternalResourceViewResolver">

    <property name="prefix" value="/WEB-INF/views/"/>

    <property name="suffix" value=".jsp"/>

</bean>

</beans>

7. Web.xml

<servlet>

    <servlet-name>dispatcher</servlet-name>

    <servlet-class>org.springframework.web.servlet.DispatcherServlet</servlet-class>

    <init-param>

        <param-name>contextConfigLocation</param-name>

        <param-value>classpath:application.xml</param-value>

    </init-param>

</servlet>

<servlet-mapping>

    <servlet-name>dispatcher</servlet-name>

    <url-pattern>/</url-pattern>

</servlet-mapping>

8. UserController.java

@Controller

public class UserController {

@Autowired

UserService userService;

@RequestMapping("user")

public  @ResponseBody User query(int id){

    User user = userService.selectByPrimaryKey(id);

    System.out.println(user);

    return  user;

}

}

SSM整合（Spring和SpringMVC分离）

1. 导包（和上面一样）

2. 创建UserMapper接口（和上面一样）

3. 创建UserService接口（和上面一样）

4. 创建UserMapperImpl实现类（和上面一样）

5. UserMapper.xml创建（和上面一样）

6. application.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:mvc="http://www.springframework.org/schema/mvc"

   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/beans

	http://www.springframework.org/schema/beans/spring-beans-3.2.xsd

	http://www.springframework.org/schema/mvc

	http://www.springframework.org/schema/mvc/spring-mvc-3.2.xsd

	http://www.springframework.org/schema/context

	http://www.springframework.org/schema/context/spring-context-3.2.xsd

	http://www.springframework.org/schema/aop

	http://www.springframework.org/schema/aop/spring-aop-3.2.xsd

	http://www.springframework.org/schema/tx

	http://www.springframework.org/schema/tx/spring-tx-3.2.xsd">

<context:component-scan base-package="com.rqy">

    <context:exclude-filter type="annotation" expression="org.springframework.stereotype.Controller"/>

</context:component-scan>

<!--数据源-->

<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/mybatisday01?serverTimezone=UTC"/>

    <property name="username" value="root"/>

    <property name="password" value="123456"/>

</bean>

<!--1.1.2	配置sqlSessionFactory-->

<bean id="sqlSessionFactory" class="org.mybatis.spring.SqlSessionFactoryBean">

    <property name="dataSource" ref="datasource"/>

</bean>

<!--把整个mapper接口所在的包都注册进来-->

<bean class="org.mybatis.spring.mapper.MapperScannerConfigurer">

    <!--扫描包，取代了SqlMapConfig.xml  mapper映射文件-->

    <property name="basePackage" value="com.rqy.mapper"/>

    <!--与上面不太一样-->

    <property name="sqlSessionFactoryBeanName"  value="sqlSessionFactory"/>

</bean>

<!--测试的bean，项目初始化的时候就会执行-->

<bean class="com.rqy.domain.SpringBean"/>

</beans>

7. application-mvc.xml

<!--扫描包这个配置在springmvc的容器中不能去掉-->

<context:component-scan base-package="com.rqy.controller">

    <context:include-filter  type="annotation" expression="org.springframework.stereotype.Controller"/>

</context:component-scan>

<mvc:annotation-driven/>

<!--测试的bean，当有url请求的时候才会执行-->

<bean class="com.rqy.domain.MvcBean"/>

<bean class="org.springframework.web.servlet.view.InternalResourceViewResolver">

    <property name="prefix" value="/WEB-INF/views/"/>

    <property name="suffix" value=".jsp"/>

</bean>

8. Web.xml（分别把application.xml和application-mvc.xml配置进去）

<!--通过listner注册spring容器，父容器-->

<listener>

    <listener-class>org.springframework.web.context.ContextLoaderListener</listener-class>

</listener>

<context-param>

    <param-name>contextConfigLocation</param-name>

    <param-value>classpath:application.xml</param-value>

</context-param>

<servlet>

    <servlet-name>dispatcher</servlet-name>

    <servlet-class>org.springframework.web.servlet.DispatcherServlet</servlet-class>

    <init-param>

        <param-name>contextConfigLocation</param-name>

        <param-value>classpath:application-mvc.xml</param-value>

    </init-param>

</servlet>

<servlet-mapping>

    <servlet-name>dispatcher</servlet-name>

    <url-pattern>/</url-pattern>

</servlet-mapping>

9. UserController.java

@Controller

public class UserController {

@Autowired

UserService userService;

@RequestMapping("user")

public  @ResponseBody User query(int id){

    User user = userService.selectByPrimaryKey(id);

    System.out.println(user);

    return  user;

}

}

纯JavaConfig的SSM整合

思想：

1. 取消了application.xml和application-MVC.xml以及web.xml，

2. 用了一个继承AbstractAnnotationConfigDispatcherServletInitializer的类来实现具体文件配置

1. AppInitialize继承AACDSi类的书写

public class AppInitialize extends AbstractAnnotationConfigDispatcherServletInitializer {

//SpringConfig指的是spring配置文件

@Override

protected Class<?>[] getRootConfigClasses() {

    return new Class[]{SpringConfig.class};

}

//SpringMvcConfig指的是springMvc配置文件

@Override

protected Class<?>[] getServletConfigClasses() {

    return new Class[]{SpringMvcConfig.class};

}

//配置sevlet请求路径/就OK了

@Override

protected String[] getServletMappings() {

    return new String[]{"/"};

}

//配置编码过滤器

@Override

protected Filter[] getServletFilters() {

    CharacterEncodingFilter characterEncodingFilter = new CharacterEncodingFilter();

    characterEncodingFilter.setEncoding("utf-8");

    return new Filter[]{characterEncodingFilter};

}

}

2. SpringConfig类的书写

@Configuration

@ComponentScan(value = "com.rqy",

        excludeFilters = @ComponentScan.Filter(type = FilterType.ANNOTATION,classes = {Controller.class}))

@EnableTransactionManagement

@EnableAspectJAutoProxy

public class SpringConfig {

//dataSource，必要

@Bean

public DataSource druidDatasource(){

    DruidDataSource druidDataSource = new DruidDataSource();

    druidDataSource.setDriverClassName("com.mysql.jdbc.Driver");

    druidDataSource.setUrl("jdbc:mysql://localhost:3306/mybatisday01");

    druidDataSource.setUsername("root");

    druidDataSource.setPassword("123456");

    return druidDataSource;

}

//SqlSessionFactoryBean 必要

@Bean

public SqlSessionFactoryBean sqlSessionFactoryBean(DataSource dataSource){

    SqlSessionFactoryBean sqlSessionFactoryBean = new SqlSessionFactoryBean();

    sqlSessionFactoryBean.setDataSource(dataSource);

    return sqlSessionFactoryBean;

}

//MapperScannerConfigurer   必要

@Bean

public MapperScannerConfigurer mapperScannerConfigurer(){

    MapperScannerConfigurer mapperScannerConfigurer =new MapperScannerConfigurer();

    mapperScannerConfigurer.setSqlSessionFactoryBeanName("sqlSessionFactoryBean");

    mapperScannerConfigurer.setBasePackage("com.rqy.mapper");

    return mapperScannerConfigurer;

}

//文件的上传的配置，有需要才配置

@Bean

public CommonsMultipartResolver multipartResolver(){

    CommonsMultipartResolver commonsMultipartResolver = new CommonsMultipartResolver();

    commonsMultipartResolver.setMaxInMemorySize(5240000);

    return commonsMultipartResolver;

}

//配置事务管理器，同时要开启注解

@Bean

public DataSourceTransactionManager transactionManager(DataSource dataSource){

    DataSourceTransactionManager dataSourceTransactionManager = new DataSourceTransactionManager();

    dataSourceTransactionManager.setDataSource(dataSource);

    return dataSourceTransactionManager;

}

}

3. SpringMvcConfig配置需要实现WebMvcConfigurer接口

@EnableWebMvc

@ComponentScan(value = "com.rqy.controller",

    includeFilters =@ComponentScan.Filter(type = FilterType.ANNOTATION,classes = Controller.class) )

public class SpringMvcConfig implements WebMvcConfigurer{

<!--实现date的转换开始-->

//注入本身已有的接口

@Autowired

ConfigurableConversionService conversionService;

//把自定义的conversionService重新注册到bean中

@Bean

//保证conversionService的唯一性

@Primary

public ConfigurableConversionService conversionService(){

    return conversionService;

}

//指定执行顺序

@PostConstruct

public  void addConverters(){

    String2DateConverter string2DateConverter = new String2DateConverter();

    conversionService.addConverter(string2DateConverter);

}

<!--实现date的转换结束-->

<!--实现过滤器的配置-->

@Override

public void addInterceptors(InterceptorRegistry registry) {

    registry.addInterceptor(new MyFirstInterceptor());

    //registry.addInterceptor().addPathPatterns("/abc/**");

}

<!--实现静态资源的配置-->

@Override

public void addResourceHandlers(ResourceHandlerRegistry registry) {

    registry.addResourceHandler("/pic/**").addResourceLocations("file:D:/pic/");

    registry.addResourceHandler("/pic/**").addResourceLocations("classpath:/pic/");

    registry.addResourceHandler("/pic/**").addResourceLocations("/WEB-INF/pic");

}

//配置视图解析器

@Bean

public InternalResourceViewResolver internalResourceViewResolver(){

    InternalResourceViewResolver internalResourceViewResolver = new InternalResourceViewResolver();

    internalResourceViewResolver.setPrefix("/WEB-INF/views/");

    internalResourceViewResolver.setSuffix(".jsp");

    return internalResourceViewResolver;

}

}

4. 导包

<dependencies>

    <dependency>

        <groupId>org.springframework</groupId>

        <artifactId>spring-webmvc</artifactId>

        <version>5.1.8.RELEASE</version>

    </dependency>

    <dependency>

        <groupId>javax.servlet</groupId>

        <artifactId>servlet-api</artifactId>

        <version>3.0-alpha-1</version>

        <scope>provided</scope>

    </dependency>

    <dependency>

        <groupId>org.mybatis</groupId>

        <artifactId>mybatis</artifactId>

        <version>3.5.2</version>

    </dependency>

    <!--aspectj-->

    <dependency>

        <groupId>org.springframework</groupId>

        <artifactId>spring-aspects</artifactId>

        <version>5.0.2.RELEASE</version>

    </dependency>

    <!--mybatis对spring的支持包-->

    <dependency>

        <groupId>org.mybatis</groupId>

        <artifactId>mybatis-spring</artifactId>

        <version>1.3.2</version>

    </dependency>

    <!--数据源和mysql驱动-->

    <dependency>

        <groupId>com.alibaba</groupId>

        <artifactId>druid</artifactId>

        <version>1.1.11</version>

    </dependency>

    <dependency>

        <groupId>mysql</groupId>

        <artifactId>mysql-connector-java</artifactId>

        <version>5.1.47</version>

    </dependency>

    <dependency>

        <groupId>org.springframework</groupId>

        <artifactId>spring-jdbc</artifactId>

        <version>5.1.8.RELEASE</version>

    </dependency>

    <!--test-->

    <dependency>

        <groupId>junit</groupId>

        <artifactId>junit</artifactId>

        <version>4.12</version>

        <scope>test</scope>

    </dependency>

    <dependency>

        <groupId>org.springframework</groupId>

        <artifactId>spring-test</artifactId>

        <version>5.1.8.RELEASE</version>

    </dependency>

    <!--jackson-->

    <dependency>

        <groupId>com.fasterxml.jackson.core</groupId>

        <artifactId>jackson-databind</artifactId>

        <version>2.9.7</version>

    </dependency>

    <!--文件上传的包-->

    <dependency>

        <groupId>commons-io</groupId>

        <artifactId>commons-io</artifactId>

        <version>2.6</version>

    </dependency>

    <dependency>

        <groupId>commons-fileupload</groupId>

        <artifactId>commons-fileupload</artifactId>

        <version>1.3.3</version>

    </dependency>

</dependencies>

5. 日期格式的转换

public class String2DateConverter implements Converter<String,Date> {

@Override

public Date convert(String s) {

    SimpleDateFormat sdf=new SimpleDateFormat("yyyy-MM-dd");

    try {

        Date date=sdf.parse(s);

        return date;

    } catch (ParseException e) {

        e.printStackTrace();

    }

    return null;

}

}

6. 过滤器的实现

public class MyFirstInterceptor  implements HandlerInterceptor{

@Override

public boolean preHandle(HttpServletRequest request, HttpServletResponse response, Object handler) throws Exception {

    System.out.println("preHandle");

    return true;

}

@Override

public void postHandle(HttpServletRequest request, HttpServletResponse response, Object handler, ModelAndView modelAndView) throws Exception {

    System.out.println("postHandle");

}

@Override

public void afterCompletion(HttpServletRequest request, HttpServletResponse response, Object handler, Exception ex) throws Exception {

}

}

7. 创建UserMapper接口（和上面一样）

8. 创建UserService接口（和上面一样）

9. 创建UserMapperImpl实现类（和上面一样）

10. UserMapper.xml创建（和上面一样）一般通过你工程来完成

11. UserController测试类

@Controller

public class UserController {

@Autowired

UserService userService;

@RequestMapping("user")

@ResponseBody

public  User query(int id, Model model){

    User user = userService.selectByPrimaryKey(id);

    model.addAttribute("user",user.toString());

    return  user;

}

}

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14-SSM整合

今日知识

Spring整合MyBatis

1. 导包

2. 创建UserMapper接口

3. 创建UserService接口

4. 创建UserMapperImpl实现类

5. UserMapper.xml创建

6. application.xml

7. 测试

SSM普通整合

1. 导包（数据源的包采用的druid的，你也可以采用其他的额）

2. 创建UserMapper接口

3. 创建UserService接口

4. 创建UserMapperImpl实现类

5. UserMapper.xml创建

6. application.xml

7. Web.xml

8. UserController.java

SSM整合（Spring和SpringMVC分离）

1. 导包（和上面一样）

2. 创建UserMapper接口（和上面一样）

3. 创建UserService接口（和上面一样）

4. 创建UserMapperImpl实现类（和上面一样）

5. UserMapper.xml创建（和上面一样）

6. application.xml

7. application-mvc.xml

8. Web.xml（分别把application.xml和application-mvc.xml配置进去）

9. UserController.java

纯JavaConfig的SSM整合

思想：

1. AppInitialize继承AACDSi类的书写

2. SpringConfig类的书写

3. SpringMvcConfig配置需要实现WebMvcConfigurer接口

4. 导包

5. 日期格式的转换

6. 过滤器的实现

7. 创建UserMapper接口（和上面一样）

8. 创建UserService接口（和上面一样）

9. 创建UserMapperImpl实现类（和上面一样）

10. UserMapper.xml创建（和上面一样）一般通过你工程来完成

11. UserController测试类

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