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使用Maven整合SSM总结

标签：
Java

项目环境：

spring-4.3.7 + mybatis-3.3.0 + maven-3.3.9 + oracle11g
  1. 首先使用maven引入相关依赖：
    pom.xml:
<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/maven-v4_0_0.xsd">  
     <modelVersion>4.0.0</modelVersion>
     <groupId>com.ssm</groupId>
     <artifactId>ssm</artifactId>
     <packaging>war</packaging>
     <version>0.0.1-SNAPSHOT</version>

     <properties>
          <project.build.sourceEncoding>utf-8</project.build.sourceEncoding>
     </properties>

     <!-- spring官方提供的依赖管理器，便于统一管理 -->
     <dependencyManagement>
           <dependencies>
                <dependency>
                     <groupId>org.springframework</groupId>
                     <artifactId>spring-framework-bom</artifactId>
                     <version>4.3.7.RELEASE</version>
                     <type>pom</type>
                     <scope>import</scope>
                </dependency>
           </dependencies>
     </dependencyManagement>

     <dependencies>
           <!-- 引入web工程所需的依赖 -->
           <dependency>
                <groupId>javax.servlet</groupId>
                <artifactId>javax.servlet-api</artifactId>
                <version>3.1.0</version>
                <scope>provided</scope>
           </dependency>
           <dependency>
                <groupId>javax.servlet.jsp</groupId>
                <artifactId>jsp-api</artifactId>
                <version>2.2</version>
                <scope>provided</scope>
           </dependency>

           <!-- 引入测试所需的依赖，使用spring4.3.x版本整合需要引入junit4.12及以上 -->
           <dependency>
                <groupId>junit</groupId>
                <artifactId>junit</artifactId>
                <version>4.12</version>
                <scope>test</scope>i
           </dependency>
           <dependency>
                <groupId>org.springframework</groupId>
                <artifactId>spring-test</artifactId>
           </dependency>

           <!-- 整合SpringMVC会自动引入其他所需的spring核心依赖 -->
           <dependency>
                <groupId>org.springframework</groupId>
                <artifactId>spring-webmvc</artifactId>
           </dependency>

           <!-- 添加mybatis依赖 -->
           <dependency>
                <groupId>org.mybatis</groupId>
                <artifactId>mybatis</artifactId>
                <version>3.3.0</version>
           </dependency>
           <!-- 添加mybatis与sping整合依赖 -->
           <dependency>
                <groupId>org.springframework</groupId>
                <artifactId>spring-orm</artifactId>
           </dependency>
           <dependency>
                <groupId>org.mybatis</groupId>
                <artifactId>mybatis-spring</artifactId>
                <version>1.2.3</version>
           </dependency>

           <!-- 数据库依赖，使用oracle需要手动将oracle安装到本地maven仓库(版权问题) -->
           <dependency>
                <groupId>com.oracle</groupId>
                <artifactId>ojdbc7</artifactId>
                <version>12.1.0.2</version>
           </dependency>
           <!-- dbcp数据库连接池依赖 -->
           <dependency>
                <groupId>commons-dbcp</groupId>
                <artifactId>commons-dbcp</artifactId>
                <version>1.4</version>
          </dependency>

          <!-- logback日志依赖 -->
          <dependency>
               <groupId>ch.qos.logback</groupId>
               <artifactId>logback-classic</artifactId>
               <version>1.1.7</version>
          </dependency>

           <!-- 添加JSTL标签库 -->
           <dependency>
                <groupId>javax.servlet</groupId>
                <artifactId>jstl</artifactId>
                <version>1.2</version>
           </dependency>
           <dependency>
                <groupId>taglibs</groupId>
                <artifactId>standard</artifactId>
                <version>1.1.2</version>
           </dependency>
     </dependencies>
</project>

  1. 搭建mybatis环境:

    使用mapper代理的方式：定义一个接口EmployeeDao ： 

public interface EmployeeDao {

    Employee selectById(Integer id);

    List<Employee> selectAll();

    int save(Employee emp);

    int update(Employee emp);

    int delete(Integer id);

}

对应的mapper映射文件： 

<?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">

<!-- namespace一定要对应接口的全类名 -->
<mapper namespace="com.ssm.dao.EmployeeDao">
     <select id="selectById" parameterType="int" resultType="employee">
           select empno, ename, job, mgr, hiredate, sal, comm, deptno from emp where empno = #{empno}
     </select>

     <!-- mybatis会自动将结果集映射为employee的List -->
     <select id="selectAll" resultType="employee">
           select empno, ename, job, mgr, hiredate, sal, comm, deptno from emp
     </select>

     <update id="save" parameterType="employee">
           insert into emp(empno, ename, job, mgr, hiredate, sal, comm)
           values(#{empno}, #{ename}, #{job}, #{mgr}, #{hireDate}, #{sal},  #{comm})
     </update>

     <update id="update" parameterType="employee">
           update emp set ename = #{ename}, job = #{job}, mgr = #{mgr}, hiredate = #{hireDate}, sal = #{sal}, comm = #{comm} where empno = #{empno}
     </update>

     <delete id="delete" parameterType="int">
           delete from emp where empno = #{empno}
     </delete>

</mapper>

  1. spring整合mybatis

    使用logback输出日志：logback.xml :

<?xml version="1.0" encoding="UTF-8"?>
<configuration>
     <appender name="STDOUT" class="ch.qos.logback.core.ConsoleAppender">
           <layout class="ch.qos.logback.classic.PatternLayout">
                <Pattern>%d{HH:mm:ss} [%thread] %-5level %logger{36} - %msg %n
                </Pattern>
           </layout>
     </appender>
     <logger name="com.base22" level="TRACE" />
     <root level="debug">
           <appender-ref ref="STDOUT" />
     </root>
</configuration>

jdbc.properties： 

jdbc.driverClass=oracle.jdbc.OracleDriver
jdbc.url=jdbc:oracle:thin:@localhost:1521:orcl
jdbc.username=scott
jdbc.password=scott

spring-mybatis.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:context="http://www.springframework.org/schema/context"
     xsi:schemaLocation="http://www.springframework.org/schema/beans http://www.springframework.org/schema/beans/spring-beans-4.3.xsd
           http://www.springframework.org/schema/context http://www.springframework.org/schema/context/spring-context-4.3.xsd">

     <context:property-placeholder location="classpath:jdbc.properties" />

     <!-- 配置c3p0数据源 -->
     <bean id="dataSource" class="com.mchange.v2.c3p0.ComboPooledDataSource"
           destroy-method="close">
           <property name="driverClass" value="${jdbc.driverClass}"></property>
           <property name="jdbcUrl" value="${jdbc.url}"></property>
           <property name="user" value="${jdbc.username}"></property>
           <property name="password" value="${jdbc.password}"></property>
     </bean>

     <!-- 注入MyBatis的SqlSessionFactory对象 -->
     <bean id="sqlSessionFactory" class="org.mybatis.spring.SqlSessionFactoryBean">
           <property name="dataSource" ref="dataSource"></property>
           <!-- 配置MyBatis全局配置文件 -->
           <property name="configLocation" value="classpath:mybatis-config.xml"></property>
           <!-- 扫描mapper需要的映射文件，可以使用通配符 -->
           <property name="mapperLocations" value="classpath:mapper/*.xml"></property>
           <!-- 扫描entity包，使用别名 -->
           <property name="typeAliasesPackage" value="com.ssm.entity"></property>
     </bean>

     <!-- 配置需要扫描的Dao接口，动态实现，并注入到spring的IOC容器中 -->
     <bean class="org.mybatis.spring.mapper.MapperScannerConfigurer">
           <!-- 不建议注入sqlSessionFactory -->
           <property name="sqlSessionFactoryBeanName" value="sqlSessionFactory"></property>
           <!-- 配置需要扫描的Dao接口的包 -->
           <property name="basePackage" value="com.ssm.dao"></property>
     </bean>

     <!-- 扫描service层-->
　　<context:component-scan base-package="com.ssm.service"></context:component-scan>
　　<!-- 配置事务管理器 -->
　　<bean id="transactionManager" class="org.springframework.jdbc.datasource.DataSourceTransactionManager">
     　　<property name="dataSource" ref="dataSource"></property>
　　</bean>
　　<!-- 开启注解式事务驱动 -->
　　<tx:annotation-driven transaction-manager="transactionManager"/>

</beans>

  1. spring整合springmvc

    首先需要在web.xml中配置springmvc的核心Servlet控制器: 

<servlet>
     <servlet-name>springDispatcherServlet</servlet-name>
     <servlet-class>org.springframework.web.servlet.DispatcherServlet</servlet-class>
     <init-param>
           <param-name>contextConfigLocation</param-name>
           <param-value>classpath:spring-*.xml</param-value>
     </init-param>
     <load-on-startup>1</load-on-startup>
</servlet>
<servlet-mapping>
     <servlet-name>springDispatcherServlet</servlet-name>
     <!-- 不要写成"/*" -->
     <url-pattern>/</url-pattern>
</servlet-mapping>

写自己的handler :

@Controller
@RequestMapping("/emp")
public class EmployeeHandler {

    @Autowired
    private EmployeeService employeeService;

    @RequestMapping(value="/list")
    public String list(HttpServletRequest request) {
        List<Employee> list = employeeService.selectAll();
        request.setAttribute("employees", list);
        return "list";
    }

    @RequestMapping(value="/selectById")
    public String selectById(Integer id, HttpServletRequest request) {
        Employee emp = employeeService.selectById(id);
        request.setAttribute("employee", emp);
        return "details";
    }

    @RequestMapping(value="/add")
    public String add(Employee emp) {
        return "add";
    }

    @RequestMapping(value="/save")
    public String save(Employee emp) {
        employeeService.save(emp);
        return "redirect:list";
    }

    @RequestMapping(value="/update")
    public String update(Employee emp) {
        employeeService.update(emp);
        return "redirect:list";
    }

    @RequestMapping(value="/delete")
    public String delete(Integer id) {
        employeeService.delete(id);
        return "redirect:list";
    }

}

配置spring-web.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: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/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">

     <context:component-scanbase-package="com.ssm.web"></context:component-scan>

    <!-- 开启SpringMVC注解模式
     　　简化配置：
          1. 自动注册DefaultAnnotationHandlerMapping，AnnotationMethodHandlerAdapter
          2. 提供一系列默认支持：数据绑定、日期格式转换，xml&json支持
    -->
    <mvc:annotation-driven/>

    <!-- 静态资源默认servlet配置
           1. 加入对静态资源的处理：js，css，gif
           2. 允许使用"/"做整体映射
    -->
    <mvc:default-servlet-handler/>

    <!-- 配置视图解析器 -->
    <bean id="" class="org.springframework.web.servlet.view.InternalResourceViewResolver">
        <property name="prefix" value="/WEB-INF/jsp/"></property>
        <property name="suffix" value=".jsp"></property>
    </bean>

</beans>

以上即为基础的整合过程

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发表于 2017.04.21 22:30， 共 8909 人浏览

本文原创发布于慕课网 ，转载请注明出处，谢谢合作

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