1. 开发环境
Eclipse:2019.06 + Jdk:8u211 + Tomcat:9.0.14 + Maven:3
2.准备工作
spring5.1.5 + mybatis3.6.4 + mybatis-spring1.3.2 + druid1.1.0 + MySQL5.1.4.6
3. 项目布局
4.编码
1. 编写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>cn.javabs</groupId> <artifactId>ssm-demo</artifactId> <version>0.0.1-SNAPSHOT</version> <packaging>war</packaging> <name>ssm-demo Maven Webapp</name> <!-- FIXME change it to the project's website --> <url>http://www.javabs.cn</url> <!-- 为了确定每个框架的版本号 --> <!-- 锁定版本 --> <properties> <spring.version>5.1.5.RELEASE</spring.version> <mybatis.version>3.4.6</mybatis.version> <mybatis-spring.version>1.3.2</mybatis-spring.version> <slf4j.version>1.7.25</slf4j.version> <log4j.version>1.2.17</log4j.version> <druid.version>1.1.10</druid.version> <mysql.version>5.1.38</mysql.version> </properties> <dependencies> <!-- spring --> <dependency> <groupId>org.aspectj</groupId> <artifactId>aspectjweaver</artifactId> <version>1.6.8</version> </dependency> <dependency> <groupId>org.springframework</groupId> <artifactId>spring-aop</artifactId> <version>${spring.version}</version> </dependency> <dependency> <groupId>org.springframework</groupId> <artifactId>spring-context</artifactId> <version>${spring.version}</version> </dependency> <dependency> <groupId>org.springframework</groupId> <artifactId>spring-web</artifactId> <version>${spring.version}</version> </dependency> <dependency> <groupId>org.springframework</groupId> <artifactId>spring-webmvc</artifactId> <version>${spring.version}</version> </dependency> <dependency> <groupId>org.springframework</groupId> <artifactId>spring-test</artifactId> <version>${spring.version}</version> </dependency> <dependency> <groupId>org.springframework</groupId> <artifactId>spring-tx</artifactId> <version>${spring.version}</version> </dependency> <dependency> <groupId>org.springframework</groupId> <artifactId>spring-jdbc</artifactId> <version>${spring.version}</version> </dependency> <!-- mybatis start --> <dependency> <groupId>org.mybatis</groupId> <artifactId>mybatis</artifactId> <version>${mybatis.version}</version> </dependency> <!-- mybatis start --> <dependency> <groupId>org.mybatis</groupId> <artifactId>mybatis-spring</artifactId> <version>${mybatis-spring.version}</version> </dependency> <!-- log start --> <dependency> <groupId>log4j</groupId> <artifactId>log4j</artifactId> <version>${log4j.version}</version> </dependency> <dependency> <groupId>org.slf4j</groupId> <artifactId>slf4j-api</artifactId> <version>${slf4j.version}</version> </dependency> <dependency> <groupId>org.slf4j</groupId> <artifactId>slf4j-log4j12</artifactId> <version>${slf4j.version}</version> </dependency> <!-- log end --> <!--junit start --> <dependency> <groupId>junit</groupId> <artifactId>junit</artifactId> <version>4.12</version> <scope>test</scope> </dependency> <!-- junit end --> <dependency> <groupId>mysql</groupId> <artifactId>mysql-connector-java</artifactId> <version>${mysql.version}</version> </dependency> <dependency> <groupId>com.alibaba</groupId> <artifactId>druid</artifactId> <version>${druid.version}</version> </dependency> <dependency> <groupId>javax.servlet</groupId> <artifactId>javax.servlet-api</artifactId> <version>4.0.1</version> <scope>provided</scope> </dependency> <dependency> <groupId>jstl</groupId> <artifactId>jstl</artifactId> <version>1.2</version> </dependency> <dependency> <groupId>javax.servlet.jsp</groupId> <artifactId>jsp-api</artifactId> <version>2.0</version> <scope>provided</scope> </dependency> </dependencies> <build> <finalName>ssm</finalName> <pluginManagement> <plugins> <plugin> <groupId>org.apache.maven.plugins</groupId> <artifactId>maven-compiler-plugin</artifactId> <version>3.0</version> <configuration> <source>1.8</source> <target>1.8</target> <encoding>UTF-8</encoding> <showWarnings>true</showWarnings> </configuration> </plugin> <!-- Tomcat7 --> <plugin> <groupId>org.apache.tomcat.maven</groupId> <artifactId>tomcat7-maven-plugin</artifactId> <version>2.2</version> <configuration> <!-- <path>/</path> --> <server>tomcat7</server> <port>8888</port> <encoding>UTF-8</encoding> </configuration> <executions> <execution> <phase>package</phase> <goals> <goal>run</goal> </goals> </execution> </executions> </plugin> </plugins> </pluginManagement> </build> </project>
2. 编写web.xml
<?xml version="1.0" encoding="UTF-8"?> <web-app xmlns="http://xmlns.jcp.org/xml/ns/javaee" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://xmlns.jcp.org/xml/ns/javaee http://xmlns.jcp.org/xml/ns/javaee/web-app_4_0.xsd" version="4.0"> <display-name>基于ssm的整合案例</display-name> <!-- 指定Spring配置文件 的位置 --> <context-param> <param-name>contextConfigLocation</param-name> <param-value>classpath:applicationContext.xml</param-value> </context-param> <!-- Spring 的监听器 --> <listener> <listener-class>org.springframework.web.context.ContextLoaderListener</listener-class> </listener> <!-- 编码过滤器 --> <filter> <filter-name>encoding</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>encoding</filter-name> <url-pattern>*.action</url-pattern> </filter-mapping> <!-- 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-config.xml</param-value> </init-param> <!-- 程序一旦启动,自动加载前端控制器 --> <load-on-startup>1</load-on-startup> </servlet> <servlet-mapping> <servlet-name>springmvc</servlet-name> <url-pattern>*.action</url-pattern> </servlet-mapping> <!-- 欢迎页面 --> <welcome-file-list> <welcome-file>index.jsp</welcome-file> </welcome-file-list> </web-app>
3. 配置文件
1. applicationContext.xml
<?xml version="1.0" encoding="UTF-8"?> <beans xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xmlns:aop="http://www.springframework.org/schema/aop" xmlns="http://www.springframework.org/schema/beans" xmlns:context="http://www.springframework.org/schema/context" xmlns:mvc="http://www.springframework.org/schema/mvc" xmlns:tx="http://www.springframework.org/schema/tx" xsi:schemaLocation="http://www.springframework.org/schema/aop http://www.springframework.org/schema/aop/spring-aop.xsd http://www.springframework.org/schema/beans http://www.springframework.org/schema/beans/spring-beans.xsd http://www.springframework.org/schema/context http://www.springframework.org/schema/context/spring-context.xsd http://www.springframework.org/schema/mvc http://www.springframework.org/schema/mvc/spring-mvc.xsd http://www.springframework.org/schema/tx http://www.springframework.org/schema/tx/spring-tx.xsd "> <!-- 1.读取jdbc的配置文件 --> <context:property-placeholder location="classpath:jdbc.properties" /> <!-- 2.配置druid数据源 --> <bean id="dataSource" class="com.alibaba.druid.pool.DruidDataSource" > <property name="driverClassName" value="${jdbc.driverClassName}" /> <property name="url" value="${jdbc.url}" /> <property name="username" value="${jdbc.username}" /> <property name="password" value="${jdbc.password}" /> </bean> <!-- 3.配置MyBatis的工厂 --> <bean class="org.mybatis.spring.SqlSessionFactoryBean" > <!-- 3.1指定mybatis-config.xml文件的位置 --> <property name="configLocation" value="classpath:mybatis-config.xml" /> <!-- 3.2 注入引用的数据源 --> <property name="dataSource" ref="dataSource" /> </bean> <!-- 4. 配置事务管理器 --> <bean id="transactionManager" class="org.springframework.jdbc.datasource.DataSourceTransactionManager" > <property name="dataSource" ref="dataSource" /> </bean> <!-- 5. 配置事务通知 --> <tx:advice id="txAdvice" transaction-manager="transactionManager"> <tx:attributes> <!-- 传播行为 --> <tx:method name="add*" propagation="REQUIRED"/> <tx:method name="insert*" propagation="REQUIRED"/> <tx:method name="create*" propagation="REQUIRED"/> <tx:method name="save*" propagation="REQUIRED"/> <tx:method name="put*" propagation="REQUIRED"/> <tx:method name="delete*" propagation="REQUIRED"/> <tx:method name="remove*" propagation="REQUIRED"/> <tx:method name="edit*" propagation="REQUIRED"/> <tx:method name="update*" propagation="REQUIRED"/> <tx:method name="get*" propagation="SUPPORTS" read-only="true" /> <tx:method name="find*" propagation="SUPPORTS" read-only="true" /> <tx:method name="select*" propagation="SUPPORTS" read-only="true" /> <tx:method name="quert*" propagation="SUPPORTS" read-only="true" /> </tx:attributes> </tx:advice> <!-- 6.切面 --> <aop:config> <aop:advisor advice-ref="txAdvice" pointcut="execution(* cn.javabs.ssm.service.*.*(..))"/> </aop:config> <!-- 7.接口开发,去扫描dao的配置mapper文件 --> <bean class="org.mybatis.spring.mapper.MapperScannerConfigurer" > <property name="basePackage" value="cn.javabs.ssm.dao" /> </bean> <!-- 8.配置扫描service注解 --> <context:component-scan base-package="cn.javabs.ssm.service"></context:component-scan> </beans>
2.springmvc-config.xml
<?xml version="1.0" encoding="UTF-8"?> <beans xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xmlns:aop="http://www.springframework.org/schema/aop" xmlns="http://www.springframework.org/schema/beans" xmlns:context="http://www.springframework.org/schema/context" xmlns:mvc="http://www.springframework.org/schema/mvc" xmlns:tx="http://www.springframework.org/schema/tx" xsi:schemaLocation="http://www.springframework.org/schema/aop http://www.springframework.org/schema/aop/spring-aop.xsd http://www.springframework.org/schema/beans http://www.springframework.org/schema/beans/spring-beans.xsd http://www.springframework.org/schema/context http://www.springframework.org/schema/context/spring-context.xsd http://www.springframework.org/schema/mvc http://www.springframework.org/schema/mvc/spring-mvc.xsd http://www.springframework.org/schema/tx http://www.springframework.org/schema/tx/spring-tx.xsd "> <!-- 1.mvc扫描驱动注解 --> <mvc:annotation-driven /> <!-- 2.配置扫描器扫描controller --> <context:component-scan base-package="cn.javabs.ssm.controller" /> <!-- 3.配置静态资源的访问映射 --> <mvc:resources location="/js/" mapping="/js/**" /> <mvc:resources location="/css/" mapping="/css/**" /> <mvc:resources location="/img/" mapping="/img/**" /> <!-- 4.配置视图处理器 --> <bean id="jspViewResolver" class="org.springframework.web.servlet.view.InternalResourceViewResolver"> <!-- 前缀 --> <property name="prefix" value="/admin/" /> <!-- 后缀 --> <property name="suffix" value=".jsp" /> </bean> </beans>
3.mybatis-config.xml
<?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> <!-- 定义别名 --> <typeAliases> <package name="cn.javabs.ssm.entity"/> </typeAliases> </configuration>
4.jdbc.properties
cn.javabs.ssm.entity --- 实体包 cn.javabs.ssm.controller --- 控制器包 cn.javabs.ssm.service --- 业务接口包 cn.javabs.ssm.service.impl --- 业务接口的实现类包 cn.javabs.ssm.dao --- 持久层接口包 + Mapper文件包
User.java
package cn.javabs.ssm.entity; public class User { private Integer id; private String username; private String password; 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; } @Override public String toString() { return "User [id=" + id + ", username=" + username + ", password=" + password + "]"; } }
2.UserDao.java
package cn.javabs.ssm.dao; import org.apache.ibatis.annotations.Param; import cn.javabs.ssm.entity.User; public interface UserDao { User userLogin(@Param("username") String username, @Param("password") String password); }
3.UserDao.xml
<?xml version="1.0" encoding="UTF-8"?> <!DOCTYPE mapper PUBLIC "-//mybatis.org//DTD Mapper 3.0//EN" "http://mybatis.org/dtd/mybatis-3-mapper.dtd"> <mapper namespace="cn.javabs.ssm.dao.UserDao"> <select id="userLogin" parameterType="String" resultType="cn.javabs.ssm.entity.User"> select * from users where username = #{username} and password = #{password} </select> </mapper>
4. UserService.java
package cn.javabs.ssm.service; import cn.javabs.ssm.entity.User; public interface UserService { User login(String username, String password); }
杨校老师课堂基于SSM整合之用户登录案例【Eclipse - Maven版】2:https://developer.aliyun.com/article/1543104