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SpringMVC+Spring+mybatis项目从零开始--Spring mybatis mysql配置实现

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  1. 外部架包依赖引入
    外部依赖包引入可以根据相关包名从

网站:http://mvnrepository.com/

获取依赖引入语句结构。

SSM项目详细依赖包请见ssm-parent中的pom.xml文件。

1.1 spring框架依赖包引入

spring-context

spring-beans

spring-jdbc

spring aspects

spring-webmvc

1.2 spring-mybatis依赖包引入

mybatis

mybatis-spring

1.3 数据库依赖包引入

mysql-connector-java

druid

1.4 redis依赖包引入

jedis

1.5 web相关依赖包引入

jstl

servlet-api

jsp-api

Jackson-databind

1.6 其他日志和公共包依赖引入

slf4j-log4j12

junit

commons-langs

commons-io

  1. 各项目间依赖关系以及架包引入
ssm-parent实现了所有外部依赖包引入

(1)ssm-commons 实现公共的组件,工具类等

(2)ssm-manager 实际业务管理工程,聚合工程,

其包含工程依赖(1)

                               (3)ssm-manager-pojo

                                   (4)ssm-manager-mapper 依赖(3)

                                   (5)ssm-manager-service  依赖(3,4)

                                   (6)ssm-manager-controller 依赖(3,5)
  1. Spring简单介绍
    Spring是一个开源框架,Spring是于2003年兴起的一个轻量级的Java开发框架,由Rod Johnson创建。简单来说,Spring是一个分层的JavaSE/EEfull-stack(一站式) 轻量级开源框架。

轻量——从大小与开销两方面而言Spring都是轻量的。完整的Spring框架可以在一个大小只有1MB多的JAR文件里发布。并且Spring所需的处理开销也是微不足道的。此外,Spring是非侵入式的:典型地,Spring应用中的对象不依赖于Spring的特定类。

控制反转——Spring通过一种称作控制反转(IoC)的技术促进了低耦合。当应用了IoC,一个对象依赖的其它对象会通过被动的方式传递进来,而不是这个对象自己创建或者查找依赖对象。你可以认为IoC与JNDI相反——不是对象从容器中查找依赖,而是容器在对象初始化时不等对象请求就主动将依赖传递给它。

面向切面——Spring提供了面向切面编程的丰富支持,允许通过分离应用的业务逻辑与系统级服务(例如审计(auditing)和事务transaction)管理)进行内聚性的开发。应用对象只实现它们应该做的——完成业务逻辑——仅此而已。它们并不负责(甚至是意识)其它的系统级关注点,例如日志或事务支持。

容器——Spring包含并管理应用对象的配置和生命周期,在这个意义上它是一种容器,你可以配置你的每个bean如何被创建——基于一个可配置原型(prototype),你的bean可以创建一个单独的实例或者每次需要时都生成一个新的实例——以及它们是如何相互关联的。然而,Spring不应该被混同于传统的重量级的EJB容器,它们经常是庞大与笨重的,难以使用。

框架——Spring可以将简单的组件配置、组合成为复杂的应用。在Spring中,应用对象被声明式地组合,典型地是在一个XML文件里。Spring也提供了很多基础功能(事务管理、持久化框架集成等等),将应用逻辑的开发留给了你。

MVC——Spring的作用是整合,但不仅仅限于整合,Spring框架可以被看做是一个企业解决方案级别的框架。客户端发送请求,服务器控制器(由DispatcherServlet实现的)完成请求的转发,控制器调用一个用于映射的类HandlerMapping,该类用于将请求映射到对应的处理器来处理请求。HandlerMapping将请求映射到对应的处理器Controller(相当于Action)在Spring当中如果写一些处理器组件,一般实现Controller接口,在Controller中就可以调用一些Service或DAO来进行数据操作 ModelAndView用于存放从DAO中取出的数据,还可以存放响应视图的一些数据。如果想将处理结果返回给用户,那么在Spring框架中还提供一个视图组件ViewResolver,该组件根据Controller返回的标示,找到对应的视图,将响应response返回给用户。

所有Spring的这些特征使你能够编写更干净、更可管理、并且更易于测试的代码。它们也为Spring中的各种模块提供了基础支持。

–摘自百度百科

总结几点:

  1. spring是轻量级的,而且是开发源码的。

  2. spring有控制反转和依赖注入的特性,将类之间的主动关联转换为被动关联,实现的相互间的解耦,通过配置文件,简化了开发;

  3. aop面向切面编程,将系统核心业务与服务分离,实现了代码的解耦,通过切面实现全局调用,如日志,事务等;

  4. 与其他框架能很好的集成,如mybatis,struts2,hibernate,redis等。

详情见官网: http://spring.io/

  1. mybatis简单介绍
    MyBatis是支持定制化 SQL、存储过程以及高级映射的优秀的持久层框架。MyBatis避免了几乎所有的 JDBC代码和手动设置参数以及获取结果集。MyBatis可以对配置和原生Map使用简单的 XML或注解,将接口和Java的 POJOs(Plain Old Java Objects,普通的 Java对象)映射成数据库中的记录。

详情见官网:http://www.mybatis.org/mybatis-3/zh/index.html

   mybatis相对hibernate优势
  1. mybatis是轻量级的,学习成本较低,易上手;

  2. mybatis是半自动化的,相关的sql需要手动实现;

mybatis工作原理:

5. Spring,mybatis,mysql等配置实现
由于SSM项目中ssm-controller依赖所有模块,为了方便配置文件易于管理,一般将项目的配置文件统一放置于smm-controller目录文件。

5.1 ssm-manager-controller项目中的所有配置文件

db.properties

jdbc.driver=com.mysql.jdbc.Driver
jdbc.url=jdbc:mysql://127.0.0.1:3306/ussm?characterEncoding=utf-8
jdbc.username=root
jdbc.password=root

log4j.pertites

#log4j.rootLogger=DEBUG,INFO,Console,ERROR,stdout
log4j.rootLogger=INFO,Console,ERROR,stdout

# Druid
log4j.logger.druid.sql=DEBUG
log4j.logger.druid.sql.DataSource=warn
log4j.logger.druid.sql.Connection=warn
log4j.logger.druid.sql.Statement=DEBUG
log4j.logger.druid.sql.ResultSet=warn

log4j.appender.Console=org.apache.log4j.ConsoleAppender
log4j.appender.Console.Target=System.out
log4j.appender.Console.layout=org.apache.log4j.PatternLayout
log4j.appender.Console.layout.ConversionPattern=[%p][%d{yyyy-MM-dd HH\:mm\:ss,SSS}][%c]%m%n

SqlMapConfig.xml(可参考如下mybatis配置文档:http://www.mybatis.org/mybatis-3/zh/configuration.html#settings)

<?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>
 <settings>
        <!-- 日志开启 -->
        <setting name="logImpl" value="LOG4J"/>
        <!-- 二级缓存开启 -->
        <setting name="cacheEnabled" value="true"/>
        <setting name="lazyLoadingEnabled" value="false"/>
        <setting name="aggressiveLazyLoading" value="true"/>
    </settings>
</configuration>

applicationContext-mapper.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:jdbc="http://www.springframework.org/schema/jdbc"
    xmlns:context="http://www.springframework.org/schema/context"
    xsi:schemaLocation="http://www.springframework.org/schema/jdbc http://www.springframework.org/schema/jdbc/spring-jdbc-4.1.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-4.1.xsd">
   
    <!-- 配置文件 -->
    <context:property-placeholder location="classpath:config/*.properties"/>
    <!-- 数据源 -->
    <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" />
       <property name="logAbandoned" value="true" />
    </bean>
    <!-- 配置sqlsessionFactory -->
    <bean id="sqlSessionFactory" class="org.mybatis.spring.SqlSessionFactoryBean">
       <property name="configLocation" value="classpath:mybatis/SqlMapConfig.xml"></property>
       <property name="dataSource" ref="dataSource"></property>
    </bean>
    <!-- 配置扫描包,加载mapper代理对象 -->
    <bean class="org.mybatis.spring.mapper.MapperScannerConfigurer">
       <property name="basePackage" value="com.ssm.manager.mapper"></property>
    </bean>
</beans>

applicationContext-service.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.xsd
       http://www.springframework.org/schema/context http://www.springframework.org/schema/context/spring-context-4.1.xsd">
 
    <!-- 自动扫描service包 -->
    <context:component-scan base-package="com.ssm.manager.service"></context:component-scan>
 
    <import resource="applicationContext-mapper.xml"/>
    <import resource="applicationContext-trans.xml"/>
</beans>

applicationContext-springmvc.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:util="http://www.springframework.org/schema/util"  
    xmlns:tx="http://www.springframework.org/schema/tx" 
    xmlns:mvc="http://www.springframework.org/schema/mvc"  
    xmlns:context="http://www.springframework.org/schema/context" 
    xsi:schemaLocation="http://www.springframework.org/schema/beans http://www.springframework.org/schema/beans/spring-beans-3.0.xsd
       http://www.springframework.org/schema/tx http://www.springframework.org/schema/tx/spring-tx-3.0.xsd
       http://www.springframework.org/schema/aop http://www.springframework.org/schema/aop/spring-aop-3.0.xsd
       http://www.springframework.org/schema/util http://www.springframework.org/schema/util/spring-util-3.0.xsd
       http://www.springframework.org/schema/context http://www.springframework.org/schema/context/spring-context-3.0.xsd
       http://www.springframework.org/schema/mvc http://www.springframework.org/schema/mvc/spring-mvc-3.0.xsd"> <!-- MVC -->

    <!--  通过Web.xml的DispatcherServlet加载 -->
    
    <!-- 会自动注册DefaultAnnotationHandlerMapping与AnnotationMethodHandlerAdapter 两个bean,是spring MVC为@Controllers分发请求所必须的 -->
    <!-- <mvc:annotation-driven /> --> 
    <mvc:annotation-driven />
    <!--避免IE执行AJAX时,返回JSON出现下载文件 -->
    <bean id="mappingJacksonHttpMessageConverter"
          class="org.springframework.http.converter.json.MappingJackson2HttpMessageConverter">
        <property name="supportedMediaTypes">
            <list>
                <value>text/html;charset=UTF-8</value>
                <value>application/json; charset=utf-8</value>
            </list>
        </property>
    </bean>
    <!-- 启动SpringMVC的注解功能,完成请求和注解POJO的映射 -->
    <bean
            class="org.springframework.web.servlet.mvc.annotation.AnnotationMethodHandlerAdapter">
        <property name="messageConverters">
            <list>
                <ref bean="mappingJacksonHttpMessageConverter" /> <!-- JSON转换器 -->
            </list>
        </property>
    </bean>
    <!-- 2. 组件扫描路径配置,让Spring 容器知道需要扫描哪些包路径下可以加载到容器中的类 -->
    <!--     多个扫描路径配置  base-package="com.app,com.core,JUnit4" 也可以写多份,一般直接写多份 -->
    <context:component-scan base-package="com.ssm.manager.*" />

     <!-- 启动spring事务注解, $该启用必须在springMVC中,而不能在applicationContext.xml中配置,不然事务注解无效$
         也就是说只有这一行才能真正开启事务,单独地在类或方法上注解@Transaction只是作了事务标记而以-->  
     <tx:annotation-driven  transaction-manager="transactionManager" />
    <!-- 3. 处理在类级别上的@RequestMapping注解 -->
    
    <bean    class="org.springframework.web.servlet.mvc.annotation.DefaultAnnotationHandlerMapping">
        <property name="interceptors">
            <list>
                <!-- 多个拦截器,顺序执行 -->
                <!-- <ref bean="SpringMVCInterceptor" /> -->
                <!-- <ref bean="OpenSessionInViewInterceptor" /> -->
            </list>
        </property>
    </bean>
    
    <!-- 4.处理方法级别上的@RequestMapping注解 -->
    <bean 
            class="org.springframework.web.servlet.mvc.annotation.AnnotationMethodHandlerAdapter">
        <property name="webBindingInitializer">
            <bean
                class="org.springframework.web.bind.support.ConfigurableWebBindingInitializer">
                <property name="conversionService">
                    <bean
                        class="org.springframework.format.support.FormattingConversionServiceFactoryBean"></bean>
                </property>
            </bean>
        </property>
    </bean>

    <!-- 5.对模型视图名称的解析,即给模型视图名称添加前后缀 -->
    <bean class="org.springframework.web.servlet.view.InternalResourceViewResolver">
        <property name="prefix" value="/WEB-INF/" /> <!-- 让ModelAndView("jsp/teacher/listTeachers.jsp") 从/WEB-INF/目录下开始 -->
        <property name="suffix" value="" />
        <!-- <property name="suffix" value=".jsp" /> -->
        <!-- Spring内部资源解析类 -->
        <property name="viewClass"    value="org.springframework.web.servlet.view.InternalResourceView" />
    </bean>
    
    <!-- 6.异常解析器 -->  
  <bean id="simpleMappingExceptionResolver" class="org.springframework.web.servlet.handler.SimpleMappingExceptionResolver">  
    <property name="exceptionMappings">  
      <props>  
        <prop key="org.springframework.web.multipart.MaxUploadSizeExceededException">jsp/common/exception</prop>  
      </props>  
    </property>  
  </bean>  
    
</beans>

applicationContext-trans.xml

<?xml version="1.0" encoding="UTF-8"?>
<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="save*" propagation="REQUIRED" />
           <tx:method name="insert*" propagation="REQUIRED" />
           <tx:method name="add*" propagation="REQUIRED" />
           <tx:method name="create*" propagation="REQUIRED" />
           <tx:method name="delete*" propagation="REQUIRED" />
           <tx:method name="update*" 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.ssm.manager.service.*.*(..))" />
    </aop:config>
</beans>

web.xml

<?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="ssm" version="2.5">
    <display-name>ssm-manager</display-name>
     <!-- spring配置文件整合配置 -->
      <context-param>
        <param-name>contextConfigLocation</param-name>
        <param-value>classpath:spring/applicationContext-service.xml</param-value>
      </context-param>
    
      <listener>
        <listener-class>org.springframework.web.context.ContextLoaderListener</listener-class>
      </listener>
      
     <context-param>
      <param-name>log4jConfigLocation</param-name>
      <param-value>classpath:config/log4j.properties</param-value>
      <!-- <param-value>/WEB-INF/log4j.xml</param-value> -->
    </context-param>
    <listener>
       <listener-class>org.springframework.web.util.Log4jConfigListener</listener-class>
    </listener>
      <!-- 字符编码过滤器 -->
      <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>
        <init-param>
          <param-name>forceEncoding</param-name>
          <param-value>true</param-value>
        </init-param>
      </filter>
    
      <filter-mapping>
        <filter-name>characterEncodingFilter</filter-name>
        <url-pattern>/*</url-pattern>
      </filter-mapping>
    
      <!-- springmvc配置 -->
      <servlet>
        <servlet-name>spring</servlet-name>
        <servlet-class>org.springframework.web.servlet.DispatcherServlet</servlet-class>
        <init-param>
          <param-name>contextConfigLocation</param-name>
          <param-value>classpath:spring/applicationContext-springmvc.xml</param-value>
        </init-param>
        <load-on-startup>1</load-on-startup>
      </servlet>
      <servlet-mapping>
        <servlet-name>spring</servlet-name>
        <url-pattern>*.action</url-pattern>
        <url-pattern>*.js</url-pattern>
        <url-pattern>*.css</url-pattern>
        <url-pattern>/css/**"</url-pattern>
        <url-pattern>/images/**</url-pattern>
        <url-pattern>/js/**</url-pattern>
      </servlet-mapping>
    <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>
</web-app>

UserController.java

package com.ssm.manager.controller;

import java.util.List;

import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.stereotype.Controller;
import org.springframework.web.bind.annotation.RequestMapping;
import org.springframework.web.bind.annotation.ResponseBody;
import org.springframework.web.servlet.ModelAndView;

import com.ssm.manager.pojo.User;
import com.ssm.manager.service.UserService;

@Controller
public class UserController {
    @Autowired
    private UserService userService;
    
    @RequestMapping("getUsers")
    @ResponseBody
    public Object findUsers() {
        List<User> list = userService.getUsers();
        return list;
    }
    
    @RequestMapping("xxxTest")
    public ModelAndView getTestHtml() {
        System.out.println("=======================================");
        return new ModelAndView("test.html");
    }
}

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/xsd/maven-4.0.0.xsd">
    <modelVersion>4.0.0</modelVersion>
    <parent>
        <groupId>com.ssm.manager</groupId>
        <artifactId>ssm-manager</artifactId>
        <version>0.0.1-SNAPSHOT</version>
    </parent>
    <artifactId>ssm-manager-controller</artifactId>
    <packaging>war</packaging>
    <dependencies>
        <dependency>
            <groupId>com.ssm.manager</groupId>
            <artifactId>ssm-manager-service</artifactId>
            <version>0.0.1-SNAPSHOT</version>
        </dependency>
        <dependency>
            <groupId>junit</groupId>
            <artifactId>junit</artifactId>
            <scope>test</scope>
        </dependency>
        <!-- 引入json包,防止报 com/fasterxml/jackson/core/JsonProcessingException 错误 -->
        <dependency>
            <groupId>org.codehaus.jackson</groupId>
            <artifactId>jackson-mapper-asl</artifactId>
        </dependency>
        <!-- 引入json包 -->
        <dependency>
            <groupId>org.codehaus.jackson</groupId>
            <artifactId>jackson-core-asl</artifactId>
        </dependency>
        <!-- 引入json包 -->
        <dependency>
            <groupId>com.fasterxml.jackson.core</groupId>
            <artifactId>jackson-annotations</artifactId>
        </dependency>
        <!-- 引入json包 -->
        <dependency>
            <groupId>com.fasterxml.jackson.core</groupId>
            <artifactId>jackson-core</artifactId>
        </dependency>
        <!-- 引入json包 -->
        <dependency>
            <groupId>com.fasterxml.jackson.core</groupId>
            <artifactId>jackson-databind</artifactId>
        </dependency>
    </dependencies>
</project>

5.2 ssm-manager-mapper项目中所有配置文件

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/xsd/maven-4.0.0.xsd">
  <modelVersion>4.0.0</modelVersion>
  <parent>
    <groupId>com.ssm.manager</groupId>
    <artifactId>ssm-manager</artifactId>
    <version>0.0.1-SNAPSHOT</version>
  </parent>
  <artifactId>ssm-manager-mapper</artifactId>
  <!-- 依赖管理 -->
    <dependencies>
        <dependency>
            <groupId>com.ssm.manager</groupId>
            <artifactId>ssm-manager-pojo</artifactId>
            <version>0.0.1-SNAPSHOT</version>
        </dependency>
        <!-- Mybatis -->
        <dependency>
            <groupId>org.mybatis</groupId>
            <artifactId>mybatis</artifactId>
        </dependency>
        <dependency>
            <groupId>org.mybatis</groupId>
            <artifactId>mybatis-spring</artifactId>
        </dependency>
        <!-- MySql -->
        <dependency>
            <groupId>mysql</groupId>
            <artifactId>mysql-connector-java</artifactId>
        </dependency>
        <!-- 连接池 -->
        <dependency>
            <groupId>com.alibaba</groupId>
            <artifactId>druid</artifactId>
        </dependency>
        <!-- 连接池 -->
        <dependency>
            <groupId>log4j</groupId>
            <artifactId>log4j</artifactId>
        </dependency>
    </dependencies>
    <!-- 如果不添加此节点mybatis的mapper.xml文件都会被漏掉。 -->
    <build>
        <resources>
            <resource>
                <directory>src/main/java</directory>
                <includes>
                    <include>**/*.properties</include>
                    <include>**/*.xml</include>
                </includes>
                <filtering>false</filtering>
            </resource>
        </resources>
    </build>
</project>

UserMapper.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="com.ssm.manager.mapper.UserMapper">   
    <resultMap id="UserMapper" type="com.ssm.manager.pojo.User">   
        <id property="id" column="id" />   
        <result property="userName" column="userName" />   
        <result property="password" column="password" />   
    </resultMap>   
       
    <select id="getUsers" resultMap="UserMapper">   
        select id,userName,password from t_user       
    </select> 
    <insert id="xxxUsers" parameterType="int">
        INSERT INTO t_user (id,userName,password) VALUES (3,'lisi','123456');
    </insert>
</mapper>

UserMapper.java

/**   
 * @Title: UserMapper.java 
 * @Package com.ssm.manager.mapper 
 * @Description: TODO(用一句话描述该文件做什么) 
 * @author 天源迪科 
 * @date 2017年10月11日 下午4:46:07 
 * @version V1.0   
 * @Copyright: 2017 www.tydic.com Inc. All rights reserved. 
 * 注意:本内容仅限于深圳天源迪科信息技术股份有限公司内部传阅,禁止外泄以及用于其他的商业目 
 */
package com.ssm.manager.mapper;

import java.util.List;

import com.ssm.manager.pojo.User;

/** 
 * @ClassName: UserMapper 
 * @Description: TODO(这里用一句话描述这个类的作用) 
 * @author 天源迪科
 * @date 2017年10月11日 下午4:46:07 
 *  
 * @Copyright: 2017 www.tydic.com Inc. All rights reserved. 
 * 注意:本内容仅限于深圳天源迪科信息技术股份有限公司内部传阅,禁止外泄以及用于其他的商业目 
 */
public interface UserMapper {

    public List<User> getUsers();
}

5.3 ssm-manager-pojo所有文件的配置

User.java

/**   
 * @Title: User.java 
 * @Package com.ssm.manager.pojo 
 * @Description: TODO(用一句话描述该文件做什么) 
 * @author 天源迪科 
 * @date 2017年10月11日 下午4:43:35 
 * @version V1.0   
 * @Copyright: 2017 www.tydic.com Inc. All rights reserved. 
 * 注意:本内容仅限于深圳天源迪科信息技术股份有限公司内部传阅,禁止外泄以及用于其他的商业目 
 */
package com.ssm.manager.pojo;

/** 
 * @ClassName: User 
 * @Description: TODO(这里用一句话描述这个类的作用) 
 * @author 天源迪科
 * @date 2017年10月11日 下午4:43:35 
 *  
 * @Copyright: 2017 www.tydic.com Inc. All rights reserved. 
 * 注意:本内容仅限于深圳天源迪科信息技术股份有限公司内部传阅,禁止外泄以及用于其他的商业目 
 */
public class User {

    private int id;
    private String userName;
    private String password;
    public int getId() {
        return id;
    }
    public void setId(int 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 + "]";
    }
    
    
}

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/xsd/maven-4.0.0.xsd">
  <modelVersion>4.0.0</modelVersion>
  <parent>
    <groupId>com.ssm.manager</groupId>
    <artifactId>ssm-manager</artifactId>
    <version>0.0.1-SNAPSHOT</version>
  </parent>
  <artifactId>ssm-manager-pojo</artifactId>
</project>

5.4 ssm-manager-service所有文件的配置信息

UserService.java

package com.ssm.manager.service;
import java.util.List;

import com.ssm.manager.pojo.User;

/**   
 * @Title: UserService.java 
 * @Package  
 * @Description: TODO(用一句话描述该文件做什么) 
 * @author 天源迪科 
 * @date 2017年10月11日 下午4:49:28 
 * @version V1.0   
 * @Copyright: 2017 www.tydic.com Inc. All rights reserved. 
 * 注意:本内容仅限于深圳天源迪科信息技术股份有限公司内部传阅,禁止外泄以及用于其他的商业目 
 */

/** 
 * @ClassName: UserService 
 * @Description: TODO(这里用一句话描述这个类的作用) 
 * @author 天源迪科
 * @date 2017年10月11日 下午4:49:28 
 *  
 * @Copyright: 2017 www.tydic.com Inc. All rights reserved. 
 * 注意:本内容仅限于深圳天源迪科信息技术股份有限公司内部传阅,禁止外泄以及用于其他的商业目 
 */
public interface UserService {

    public List<User> getUsers();
}

UserServiceImpl.java

/**   
 * @Title: UserServiceImpl.java 
 * @Package com.ssm.manager.service 
 * @Description: TODO(用一句话描述该文件做什么) 
 * @author 天源迪科 
 * @date 2017年10月11日 下午4:51:52 
 * @version V1.0   
 * @Copyright: 2017 www.tydic.com Inc. All rights reserved. 
 * 注意:本内容仅限于深圳天源迪科信息技术股份有限公司内部传阅,禁止外泄以及用于其他的商业目 
 */
package com.ssm.manager.service;

import java.util.List;

import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.stereotype.Service;

import com.ssm.manager.mapper.UserMapper;
import com.ssm.manager.pojo.User;

/** 
 * @ClassName: UserServiceImpl 
 * @Description: TODO(这里用一句话描述这个类的作用) 
 * @author 天源迪科
 * @date 2017年10月11日 下午4:51:52 
 *  
 * @Copyright: 2017 www.tydic.com Inc. All rights reserved. 
 * 注意:本内容仅限于深圳天源迪科信息技术股份有限公司内部传阅,禁止外泄以及用于其他的商业目 
 */
@Service
public class UserServiceImpl implements UserService {
    @Autowired
    private UserMapper userMapper;
    
    public List<User> getUsers() {
        
        return userMapper.getUsers();
    }


}

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/xsd/maven-4.0.0.xsd">
  <modelVersion>4.0.0</modelVersion>
  <parent>
    <groupId>com.ssm.manager</groupId>
    <artifactId>ssm-manager</artifactId>
    <version>0.0.1-SNAPSHOT</version>
  </parent>
  <artifactId>ssm-manager-service</artifactId>
  <!-- 依赖管理 -->
    <dependencies>
        <dependency>
            <groupId>com.ssm.manager</groupId>
            <artifactId>ssm-manager-mapper</artifactId>
            <version>0.0.1-SNAPSHOT</version>
        </dependency>
        <!-- Spring -->
        <dependency>
            <groupId>org.springframework</groupId>
            <artifactId>spring-context</artifactId>
        </dependency>
        <dependency>
            <groupId>org.springframework</groupId>
            <artifactId>spring-beans</artifactId>
        </dependency>
        <dependency>
            <groupId>org.springframework</groupId>
            <artifactId>spring-webmvc</artifactId>
        </dependency>
        <dependency>
            <groupId>org.springframework</groupId>
            <artifactId>spring-jdbc</artifactId>
        </dependency>
        <dependency>
            <groupId>org.springframework</groupId>
            <artifactId>spring-aspects</artifactId>
        </dependency>
    </dependencies>
</project>

5.5 ssm-manager-commons所有文件配置信息

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/xsd/maven-4.0.0.xsd">
  <modelVersion>4.0.0</modelVersion>
  <parent>
    <groupId>com.ssm.parent</groupId>
    <artifactId>ssm-parent</artifactId>
    <version>0.0.1-SNAPSHOT</version>
  </parent>
  <groupId>com.ssm.commons</groupId>
  <artifactId>ssm-commons</artifactId>
  <version>0.0.1-SNAPSHOT</version>
</project>

5.6 ssm-parent所有文件的配置信息


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/xsd/maven-4.0.0.xsd">
  <modelVersion>4.0.0</modelVersion>
  <groupId>com.ssm.parent</groupId>
  <artifactId>ssm-parent</artifactId>
  <version>0.0.1-SNAPSHOT</version>
  <packaging>pom</packaging>
  <properties>
          <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
          <java.version>1.7</java.version>
        <junit.version>4.12</junit.version>
        <spring.version>4.1.3.RELEASE</spring.version>
        <mybatis.version>3.2.8</mybatis.version>
        <mybatis.spring.version>1.2.2</mybatis.spring.version>
        <mysql.version>5.1.32</mysql.version>
        <slf4j.version>1.6.4</slf4j.version>
        <log4j.version>1.2.17</log4j.version>
        <jackson.version>2.4.2</jackson.version>
        <druid.version>1.0.9</druid.version>
        <jstl.version>1.2</jstl.version>
        <servlet-api.version>2.5</servlet-api.version>
        <jsp-api.version>2.0</jsp-api.version>
        <commons-lang3.version>3.3.2</commons-lang3.version>
        <commons-io.version>1.3.2</commons-io.version>
        <jedis.version>2.7.2</jedis.version>
    </properties>
    <dependencyManagement>
        <dependencies>
            <!-- Apache工具组件 -->
            <dependency>
              <groupId>log4j</groupId>
              <artifactId>log4j</artifactId>
              <version>${log4j.version}</version>
            </dependency>
            <dependency>
                <groupId>org.apache.commons</groupId>
                <artifactId>commons-lang3</artifactId>
                <version>${commons-lang3.version}</version>
            </dependency>
            <dependency>
                <groupId>org.apache.commons</groupId>
                <artifactId>commons-io</artifactId>
                <version>${commons-io.version}</version>
            </dependency>
            <!-- Jackson Json处理工具包 -->
            <dependency>
                <groupId>com.fasterxml.jackson.core</groupId>
                <artifactId>jackson-databind</artifactId>
                <version>${jackson.version}</version>
            </dependency>
            <!-- 单元测试 -->
            <dependency>
                <groupId>junit</groupId>
                <artifactId>junit</artifactId>
                <version>${junit.version}</version>
                <scope>test</scope>
            </dependency>
            <!-- 日志处理 -->
            <dependency>
                <groupId>org.slf4j</groupId>
                <artifactId>slf4j-log4j12</artifactId>
                <version>${slf4j.version}</version>
            </dependency>
            <!-- Mybatis -->
            <dependency>
                <groupId>org.mybatis</groupId>
                <artifactId>mybatis</artifactId>
                <version>${mybatis.version}</version>
            </dependency>
            <dependency>
                <groupId>org.mybatis</groupId>
                <artifactId>mybatis-spring</artifactId>
                <version>${mybatis.spring.version}</version>
            </dependency>
            <!-- MySql -->
            <dependency>
                <groupId>mysql</groupId>
                <artifactId>mysql-connector-java</artifactId>
                <version>${mysql.version}</version>
            </dependency>
            <!-- 连接池 -->
            <dependency>
                <groupId>com.alibaba</groupId>
                <artifactId>druid</artifactId>
                <version>${druid.version}</version>
            </dependency>
            <!-- Spring -->
            <dependency>
                <groupId>org.springframework</groupId>
                <artifactId>spring-context</artifactId>
                <version>${spring.version}</version>
            </dependency>
            <dependency>
                <groupId>org.springframework</groupId>
                <artifactId>spring-beans</artifactId>
                <version>${spring.version}</version>
            </dependency>
            <dependency>
                <groupId>org.springframework</groupId>
                <artifactId>spring-webmvc</artifactId>
                <version>${spring.version}</version>
            </dependency>
            <dependency>
                <groupId>org.springframework</groupId>
                <artifactId>spring-jdbc</artifactId>
                <version>${spring.version}</version>
            </dependency>
            <dependency>
                <groupId>org.springframework</groupId>
                <artifactId>spring-aspects</artifactId>
                <version>${spring.version}</version>
            </dependency>
            <!-- JSP相关 -->
            <dependency>
                <groupId>jstl</groupId>
                <artifactId>jstl</artifactId>
                <version>${jstl.version}</version>
            </dependency>
            <dependency>
                <groupId>javax.servlet</groupId>
                <artifactId>servlet-api</artifactId>
                <version>${servlet-api.version}</version>
                <scope>provided</scope>
            </dependency>
            <dependency>
                <groupId>javax.servlet</groupId>
                <artifactId>jsp-api</artifactId>
                <version>${jsp-api.version}</version>
                <scope>provided</scope>
            </dependency>
            <!-- Redis客户端 -->
            <dependency>
                <groupId>redis.clients</groupId>
                <artifactId>jedis</artifactId>
                <version>${jedis.version}</version>
            </dependency>
            <!-- https://mvnrepository.com/artifact/org.codehaus.jackson/jackson-mapper-asl -->
            <dependency>
              <groupId>org.codehaus.jackson</groupId>
              <artifactId>jackson-mapper-asl</artifactId>
              <version>1.9.13</version>
            </dependency>
            <!-- https://mvnrepository.com/artifact/org.codehaus.jackson/jackson-core-asl -->
            <dependency>
              <groupId>org.codehaus.jackson</groupId>
              <artifactId>jackson-core-asl</artifactId>
              <version>1.9.13</version>
            </dependency>
            <!-- https://mvnrepository.com/artifact/com.fasterxml.jackson.core/jackson-annotations -->
            <dependency>
              <groupId>com.fasterxml.jackson.core</groupId>
              <artifactId>jackson-annotations</artifactId>
              <version>2.9.0</version>
            </dependency>
            <!-- https://mvnrepository.com/artifact/com.fasterxml.jackson.core/jackson-core -->
            <dependency>
              <groupId>com.fasterxml.jackson.core</groupId>
              <artifactId>jackson-core</artifactId>
              <version>2.9.0</version>
            </dependency>
            <!-- https://mvnrepository.com/artifact/com.fasterxml.jackson.core/jackson-databind -->
            <dependency>
              <groupId>com.fasterxml.jackson.core</groupId>
              <artifactId>jackson-databind</artifactId>
              <version>2.9.0</version>
            </dependency>
        </dependencies>
    </dependencyManagement>
    
    <build>
        <finalName>${project.artifactId}</finalName>
        <plugins>
            <!-- 资源文件拷贝插件 -->
            <plugin>
                <groupId>org.apache.maven.plugins</groupId>
                <artifactId>maven-resources-plugin</artifactId>
                <version>2.7</version>
                <configuration>
                    <encoding>UTF-8</encoding>
                </configuration>
            </plugin>
            <!-- java编译插件 -->
            <plugin>
                <groupId>org.apache.maven.plugins</groupId>
                <artifactId>maven-compiler-plugin</artifactId>
                <version>3.2</version>
                <configuration>
                    <source>1.7</source>
                    <target>1.7</target>
                    <encoding>UTF-8</encoding>
                </configuration>
            </plugin>
        </plugins>
        <pluginManagement>
            <plugins>
                <!-- 配置Tomcat插件 -->
                <plugin>
                    <groupId>org.apache.tomcat.maven</groupId>
                    <artifactId>tomcat7-maven-plugin</artifactId>
                    <version>2.2</version>
                </plugin>
            </plugins>
        </pluginManagement>
    </build>
</project>

所有配置文件信息配置完毕:

  1. 总结
    本章我们讲解了SSM项目中配置各项目pom文件、spring的事务、springaop、mybatis等配置。

代码路径(待确定):

mysql创建语句:

/*
Navicat MySQL Data Transfer

Source Server         : GX
Source Server Version : 50636
Source Host           : 127.0.0.1:3306
Source Database       : ussm

Target Server Type    : MYSQL
Target Server Version : 50636
File Encoding         : 65001

Date: 2017-10-11 21:10:51
*/

SET FOREIGN_KEY_CHECKS=0;

-- ----------------------------
-- Table structure for t_user
-- ----------------------------
DROP TABLE IF EXISTS `t_user`;
CREATE TABLE `t_user` (
  `id` int(32) NOT NULL,
  `userName` varchar(255) DEFAULT NULL,
  `password` varchar(255) DEFAULT NULL,
  PRIMARY KEY (`id`)
) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4;

-- ----------------------------
-- Records of t_user
-- ----------------------------
INSERT INTO `t_user` VALUES ('1', 'liuren', '123456');
INSERT INTO `t_user` VALUES ('2', 'lisi', '123456');
INSERT INTO `t_user` VALUES ('3', 'lisi', '123456');

三. SSM项目-redis缓存策略和配置实现

四. SSM项目-Springmvc配置实现

转自:https://www.cnblogs.com/lr393993507/p/7652821.html


转载:https://blog.csdn.net/qq_38642745/article/details/100991684
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