(项目结构图参照文章末尾)
1、创建maven工程,在pom.xml文件中导入需要的jar包依赖:
2、整合SpringMVC:
(1)在web.xml文件中配置前端控制器:
- <?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" xmlns:web="http://java.sun.com/xml/ns/javaee/web-app_2_5.xsd"
- xsi:schemaLocation="http://java.sun.com/xml/ns/javaee http://java.sun.com/xml/ns/javaee/web-app_2_5.xsd"
- id="serviceMarket" version="2.5">
-
- <display-name>ssm-test</display-name>
- <welcome-file-list>
- <welcome-file>index.html</welcome-file>
- <welcome-file>index.htm</welcome-file>
- <welcome-file>index.jsp</welcome-file>
- <welcome-file>default.html</welcome-file>
- <welcome-file>default.htm</welcome-file>
- <welcome-file>default.jsp</welcome-file>
- </welcome-file-list>
-
- <!-- 加载spring相关配置文件 -->
- <context-param>
- <param-name>contextConfigLocation</param-name>
- <param-value>classpath:spring/applicationContext*.xml</param-value>
- </context-param>
- <listener>
- <listener-class>org.springframework.web.context.ContextLoaderListener</listener-class>
- </listener>
-
- <!-- 解决post乱码 -->
- <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>
-
-
- <!-- springmvc的前端控制器 -->
- <servlet>
- <servlet-name>ssm-test</servlet-name>
- <servlet-class>org.springframework.web.servlet.DispatcherServlet</servlet-class>
- <!-- 加载springmvc的配置文件(处理器映射器、处理器适配器等等) -->
- <init-param>
- <param-name>contextConfigLocation</param-name>
- <param-value>classpath:spring/springmvc.xml</param-value>
- </init-param>
- <load-on-startup>1</load-on-startup>
- </servlet>
- <servlet-mapping>
- <servlet-name>ssm-test</servlet-name>
- <url-pattern>/</url-pattern>
- </servlet-mapping>
-
- </web-app>
(2)编写springmvc.xml文件:
在文件中配置与springmvc框架相关的配置,比如:springmvc.xml约束、处理器映射器、处理器适配器、视图解析器、Handler等配置。
- <?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.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.xsd">
-
- <!-- 使用注解驱动:自动配置处理器映射器与处理器适配器 -->
- <mvc:annotation-driven />
-
- <!-- 注解方式:配置Handler,自动扫描该包,使SpringMVC认为包下用了@controller注解的类是控制器 -->
- <!-- 批量加载:组件扫描方式: -->
- <context:component-scan base-package="com.zwp.controller" />
-
- <!-- 视图解析器:解析jsp页面,默认使用jstl标签,classpath下得有jstl的包 -->
- <bean class="org.springframework.web.servlet.view.InternalResourceViewResolver">
- <!-- 配置前后缀 -->
- <property name="prefix" value="/WEB-INF/jsp/"></property>
- <property name="suffix" value=".jsp"></property>
- </bean>
-
- <!-- 静态资源处理,不拦截静态资源,如css、js、imgs -->
- <mvc:resources location="/static/css/" mapping="/static/css/**"/>
- <mvc:resources location="/static/js/" mapping="/static/js/**"/>
- <mvc:resources location="/static/img/" mapping="/static/img/**"/>
-
- <!-- 文件上传相关配置 -->
- <bean id="multipartResolver"
- class="org.springframework.web.multipart.commons.CommonsMultipartResolver">
- <property name="defaultEncoding" value="UTF-8"></property>
- <property name="maxUploadSize" value="10240000"></property>
- </bean>
- </beans>
(3)编写Handler:
- //User类的Handler
- //需要在类上面加@Controller注解,这样才能被自动扫描到
- @Controller
- @RequestMapping("/user")
- public class UserController {
-
- private static Logger log=LoggerFactory.getLogger(UserController.class);
-
- @RequestMapping(value="/login",method=RequestMethod.GET)
- public String login(HttpServletRequest request,Model model){
- String username = request.getParameter("username");
- String password = request.getParameter("password");
- System.out.println("username:"+username+";password:"+password);
- User user=null;
- if (username.equals("zwp") && password.equals("123456")) {
- user = new User();
- user.setAge(11);
- user.setId(1);
- user.setPassword("123456");
- user.setUsername("zwp");
-
- log.debug(user.toString());
- }
-
- model.addAttribute("user", user);
- return "index";
- }
- }
- //User实体类
- public class User {
-
- private Integer id;
- private String username;
- private String password;
- private Integer age;
- public Integer getId() {
- return id;
- }
- public void setId(Integer id) {
- this.id = id;
- }
- 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;
- }
- public Integer getAge() {
- return age;
- }
- public void setAge(Integer age) {
- this.age = age;
- }
-
- @Override
- public String toString() {
- return "User [id=" + id + ", username=" + username + ", password=" + password + ", age=" + age + "]";
- }
- }
(4)配置日志文件:
在项目根目录下面创建log4j.properties日志文件,下面是日志文件的基本配置,可以满足大多数项目的需求。
- log4j.rootLogger=INFO,Console,File
- #定义日志输出目的地为控制台
- log4j.appender.Console=org.apache.log4j.ConsoleAppender
- log4j.appender.Console.Target=System.out
- #可以灵活地指定日志输出格式,下面一行是指定具体的格式
- log4j.appender.Console.layout = org.apache.log4j.PatternLayout
- log4j.appender.Console.layout.ConversionPattern=[%c] - %m%n
-
- #文件大小到达指定尺寸的时候产生一个新的文件
- log4j.appender.File = org.apache.log4j.RollingFileAppender
- #指定输出目录
- log4j.appender.File.File = logs/ssm.log
- #定义文件最大大小
- log4j.appender.File.MaxFileSize = 10MB
- # 输出所以日志,如果换成DEBUG表示输出DEBUG以上级别日志
- log4j.appender.File.Threshold = ALL
- log4j.appender.File.layout = org.apache.log4j.PatternLayout
- log4j.appender.File.layout.ConversionPattern =[%p] [%d{yyyy-MM-dd HH\:mm\:ss}][%c]%m%n
(5)启动项目,进行测试:


访问地址:http://localhost:8080/ssm/user/login?username=zwp&password=123456,如果出现下面页面则代表映射成功。

至此,SpringMVC的配置就已经成功。
3、Spring和Mybatis框架的整合:
整合思路:由Spring通过单例方式管理SqlSessionFactory;spring和mybatis整合生成代理对象,使用SqlSessionFactory创建SqlSession,持久层的mapper都需要有spring进行管理。
(1)配置dao层,即配置sqlSessionFactory:(我的配置在applicationContext-dao.xml文件中)
- <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.加载配置文件 -->
- <!-- 第一种加载多个.properties文件的方法 -->
- <context:property-placeholder location="classpath:resource/*.properties"/>
-
- <!-- 2.配置数据库连接池 -->
- <bean id="dataSource" class="com.alibaba.druid.pool.DruidDataSource"
- destroy-method="close">
- <property name="url" value="${jdbc.url}" />
- <property name="username" value="${jdbc.username}" />
- <property name="password" value="${jdbc.password}" />
- <property name="driverClassName" value="${jdbc.driver}" />
- <property name="maxActive" value="10" />
- <property name="minIdle" value="5" />
- </bean>
-
- <!-- 3.让spring创建并管理sqlsessionfactory,使用mybatis和spring整合包中的 -->
- <bean id="sqlSessionFactory" class="org.mybatis.spring.SqlSessionFactoryBean">
- <!-- 配置数据源,数据库连接池 -->
- <property name="dataSource" ref="dataSource" />
- <!-- 加载mybatis的全局配置文件 -->
- <property name="configLocation" value="classpath:mybatis/SqlMapConfig.xml" />
- </bean>
-
- <!-- 4.mapper批量扫描:从mapper包中扫描出mapper,自动创建代理对象并且在spring容器中注册
- 需要遵循规范:mapper接口类名和mapper.xml映射文件名称一致,且在同一目录下,
- 自动扫描出来的mapper的bean的id为类名(首字母小写)-->
- <bean class="org.mybatis.spring.mapper.MapperScannerConfigurer">
- <property name="basePackage" value="com.zwp.mapper" />
- </bean>
- </beans>
创建并编写SqlMapConfig.xml文件:
- <?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>
- <plugins>
- <!-- com.github.pagehelper为PageHelper类所在包名 -->
- <plugin interceptor="com.github.pagehelper.PageHelper">
- <!-- 设置数据库类型 Oracle,Mysql,MariaDB,SQLite,Hsqldb,PostgreSQL六种数据库 -->
- <property name="dialect" value="mysql" />
- </plugin>
- </plugins>
- </configuration>
(2)配置service层:(我的配置在applicationContext-service.xml文件中)
- <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">
-
- <!-- 自动扫描service层的接口与实现类 -->
- <context:component-scan base-package="com.zwp.service" />
- </beans>
(3)配置事务:(我的配置在applicationContext-trans.xml文件中)
- <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">
-
- <!-- 事务管理器 -->
- <bean id="transactionManager"
- class="org.springframework.jdbc.datasource.DataSourceTransactionManager">
- <!-- 数据源 -->
- <property name="dataSource" ref="dataSource" />
- </bean>
-
- <!-- 通知 -->
- <tx:advice id="txAdvice" transaction-manager="transactionManager">
- <tx:attributes>
- <!-- 传播行为 -->
- <tx:method name="add*" propagation="REQUIRED" />
- <tx:method name="create*" propagation="REQUIRED" />
- <tx:method name="insert*" propagation="REQUIRED" />
- <tx:method name="save*" propagation="REQUIRED" />
- <tx:method name="update*" propagation="REQUIRED" />
- <tx:method name="delete*" propagation="REQUIRED" />
- <tx:method name="find*" propagation="SUPPORTS" read-only="true" />
- <tx:method name="select*" propagation="SUPPORTS" read-only="true" />
- <tx:method name="get*" propagation="SUPPORTS" read-only="true" />
- </tx:attributes>
- </tx:advice>
- <!-- 切面 -->
- <aop:config>
- <aop:advisor advice-ref="txAdvice"
- pointcut="execution(* com.zwp.service.*.*(..))" />
- </aop:config>
- </beans>
至此,Spring和Mybatis框架的整合就完成了。
4、测试:
(1)创建测试用表:

(2)利用MyBatis-Generator自动创建实体类、Mybatis映射文件以及Dao接口。
(3)建立Service和实现类:
- //UserService接口类:
- @Service
- public interface UserService {
-
- public User getUserById(int userId);
-
- }
- //UserService的实现类
- @Service
- public class UserServiceImpl implements UserService {
-
- //注入UserMapper接口
- @Autowired
- private UserMapper userMapper;
-
- @Override
- public User getUserById(int userId) {
- User user = userMapper.selectByPrimaryKey(userId);
- return user;
- }
- }
(3)建立UserController类:
- //User类的Handler
- //需要在类上面加@Controller注解,这样才能被自动扫描到
- @Controller
- @RequestMapping("/user")
- public class UserController {
-
- @Autowired
- private UserService userService;
-
- private static Logger log=LoggerFactory.getLogger(UserController.class);
-
- @RequestMapping(value="/getUserById/{userId}",method=RequestMethod.GET)
- public @ResponseBody User getUserById(@PathVariable Integer userId){
-
- return userService.getUserById(userId);
- }
-
- @RequestMapping(value="/login",method=RequestMethod.GET)
- public String login(HttpServletRequest request,Model model){
- String username = request.getParameter("username");
- String password = request.getParameter("password");
- System.out.println("username:"+username+";password:"+password);
- User user=null;
- if (username.equals("zwp") && password.equals("123456")) {
- user = new User();
- user.setAge(11);
- user.setId(1);
- user.setPassword("123456");
- user.setUsername("zwp");
-
- log.debug(user.toString());
- }
-
- model.addAttribute("user", user);
- return "index";
- }
- }
(4)部署项目,输入地址:http://localhost:8080/ssm/user/getUserById/2,出现下面响应结果,则表示整合成功了。

至此,Maven+Spring+SpringMVC+Mybatis的整合就完成了。
附:项目结构图:

以上就是本文的全部内容,希望对大家的学习有所帮助,也希望大家多多支持w3xue。