SSM整合

1 Spring - dao

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<?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.xsd">
    <!-- 配置整合mybatis过程 -->
    <!-- 1.配置数据库相关参数properties的属性：${url} -->
    <context:property-placeholder location="classpath:jdbc.properties"/>

    <!-- 2.数据库连接池 -->
    <bean id="dataSource" class="com.mchange.v2.c3p0.ComboPooledDataSource">
        <!-- 配置连接池属性 -->
        <property name="driverClass" value="${jdbc.driver}"/>
        <property name="jdbcUrl" value="${jdbc.url}"/>
        <property name="user" value="${jdbc.username}"/>
        <property name="password" value="${jdbc.password}"/>

        <!-- c3p0连接池的私有属性 -->
        <property name="maxPoolSize" value="30"/>
        <property name="minPoolSize" value="10"/>
        <!-- 关闭连接后不自动commit -->
        <property name="autoCommitOnClose" value="false"/>
        <!-- 获取连接超时时间 -->
        <property name="checkoutTimeout" value="10000"/>
        <!-- 当获取连接失败重试次数 -->
        <property name="acquireRetryAttempts" value="2"/>
    </bean>

    <!-- 3.配置SqlSessionFactory对象 -->
    <bean id="sqlSessionFactory" class="org.mybatis.spring.SqlSessionFactoryBean">
        <!-- 注入数据库连接池 -->
        <property name="dataSource" ref="dataSource"/>
        <!-- 配置MyBaties全局配置文件:mybatis-config.xml -->
        <property name="configLocation" value="classpath:mybatis-config.xml"/>
        <!-- 扫描entity包 使用别名 -->
        <property name="typeAliasesPackage" value="o2o.entity"/>
        <!-- 扫描sql配置文件:mapper需要的xml文件 -->
        <property name="mapperLocations" value="classpath:mapper/*.xml"/>
    </bean>

    <!-- 4.配置扫描Dao接口包，动态实现Dao接口，注入到spring容器中 -->
    <bean class="org.mybatis.spring.mapper.MapperScannerConfigurer">
        <!-- 注入sqlSessionFactory -->
        <property name="sqlSessionFactoryBeanName" value="sqlSessionFactory"/>
        <!-- 给出需要扫描Dao接口包 -->
        <property name="basePackage" value="o2o.dao"/>
    </bean>
</beans>

2 Spring -service

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<?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:tx="http://www.springframework.org/schema/tx"
       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/tx
   http://www.springframework.org/schema/tx/spring-tx.xsd">
    <!-- 扫描service包下所有使用注解的类型 -->
    <context:component-scan base-package="o2o.service" />

    <!-- 配置事务管理器 -->
    <bean id="transactionManager"
          class="org.springframework.jdbc.datasource.DataSourceTransactionManager">
        <!-- 注入数据库连接池 -->
        <property name="dataSource" ref="dataSource" />
    </bean>

    <!-- 配置基于注解的声明式事务 -->
    <tx:annotation-driven transaction-manager="transactionManager"/>
</beans>

3 Spring-web

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<?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-3.0.xsd">
    <!-- 配置SpringMVC -->
    <!-- 1.开启SpringMVC注解模式 -->
    <!-- 简化配置：
        (1)自动注册DefaultAnootationHandlerMapping,AnotationMethodHandlerAdapter
        (2)提供一些列：数据绑定，数字和日期的format @NumberFormat, @DateTimeFormat, xml,json默认读写支持
    -->
    <mvc:annotation-driven />

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

    <!-- 3.配置jsp 显示ViewResolver -->
    <bean class="org.springframework.web.servlet.view.InternalResourceViewResolver">
        <property name="viewClass" value="org.springframework.web.servlet.view.JstlView" />
        <property name="prefix" value="/WEB-INF/jsp/" />
        <property name="suffix" value=".jsp" />
    </bean>

    <!-- 4.扫描web相关的bean -->
    <context:component-scan base-package="o2o.web" />
<!--controller层 web-->
</beans>

4 myhbatis-config

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<?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>
    <!-- 配置全局属性 -->
    <settings>
        <!-- 使用jdbc的getGeneratedKeys获取数据库自增主键值 -->
        <setting name="useGeneratedKeys" value="true" />

        <!-- 使用列标签替换别名 默认:true -->
        <setting name="useColumnLabel" value="true" />

        <!-- 开启驼峰命名转换:Table{create_time} -> Entity{createTime} -->
        <setting name="mapUnderscoreToCamelCase" value="true" />
    </settings>
</configuration>

5 web.xml

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<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_3_1.xsd"
         version="3.1" metadata-complete="true">
    <!-- 如果是用mvn命令生成的xml，需要修改servlet版本为3.1 -->
    <!-- 配置DispatcherServlet -->
    <servlet>
        <servlet-name>mvc-dispatcher</servlet-name>
        <servlet-class>org.springframework.web.servlet.DispatcherServlet</servlet-class>
        <!-- 配置springMVC需要加载的配置文件
            spring-dao.xml,spring-service.xml,spring-web.xml
            Mybatis - > spring -> springmvc
         -->
        <init-param>
            <param-name>contextConfigLocation</param-name>
            <param-value>classpath:spring/spring-*.xml</param-value>
        </init-param>
    </servlet>
    <servlet-mapping>
        <servlet-name>mvc-dispatcher</servlet-name>
        <!-- 默认匹配所有的请求 -->
        <url-pattern>/</url-pattern>
    </servlet-mapping>
</web-app>

6 jdbc.properties

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jdbc.driver=com.mysql.jdbc.Driver
jdbc.url=jdbc:mysql://localhost:3306/o2o?useUnicode=true&characterEncoding=utf8
jdbc.username=root
jdbc.password=YHP836143

7 Logback日志配置

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<?xml version="1.0" encoding="utf-8" standalone="no"?>
<configuration debug="false">
    <appender name="INFO-FILE"
              class="ch.qos.logback.core.rolling.RollingFileAppender">
        <file>${catalina.base}/webapps/myo2o/logs/info/info.log</file>
        <rollingPolicy class="ch.qos.logback.core.rolling.TimeBasedRollingPolicy">
            <fileNamePattern>${catalina.base}/webapps/myo2o/logs/info/info.%d{yyyy-MM-dd}.%i.log.zip</fileNamePattern>
            <timeBasedFileNamingAndTriggeringPolicy
                    class="ch.qos.logback.core.rolling.SizeAndTimeBasedFNATP">
                <maxFileSize>1024MB</maxFileSize>
            </timeBasedFileNamingAndTriggeringPolicy>
            <maxHistory>30</maxHistory>
        </rollingPolicy>
        <layout class="ch.qos.logback.classic.PatternLayout">
            <pattern>%d{yyyy-MM-dd HH:mm:ss.SSS} [%thread] %-5level %logger{55} -
                %msg%n
            </pattern>
        </layout>
    </appender>
    <appender name="ACCESS-FILE"
              class="ch.qos.logback.core.rolling.RollingFileAppender">
        <file>
            ${catalina.base}/webapps/myo2o/logs/access/access.log</file>
        <rollingPolicy class="ch.qos.logback.core.rolling.TimeBasedRollingPolicy">
            <FileNamePattern>${catalina.base}/webapps/myo2o/logs/access/access.%d{yyyy-MM-dd}.%i.log.zip</FileNamePattern>
            <timeBasedFileNamingAndTriggeringPolicy
                    class="ch.qos.logback.core.rolling.SizeAndTimeBasedFNATP">
                <maxFileSize>1024MB</maxFileSize>
            </timeBasedFileNamingAndTriggeringPolicy>
            <maxHistory>30</maxHistory>
        </rollingPolicy>
        <layout class="ch.qos.logback.classic.PatternLayout">
            <pattern>%d{yyyy-MM-dd HH:mm:ss.SSS} [%thread] %-5level %logger{55} -
                %msg%n
            </pattern>
        </layout>
    </appender>
    <logger name="com.imooc.myo2o" level="DEBUG" additivity="false">
        <appender-ref ref="ACCESS-FILE" />
    </logger>
    <root level="INFO">
        <appender-ref ref="INFO-FILE" />
    </root>
</configuration>


 

<!--======================================================-->
<!--<?xml version="1.0" encoding="utf-8" standalone="no"?>-->
<!--<configuration debug="false" scan="true" scanPeriod="50 seconds">-->
    <!--&lt;!&ndash;定义参数常量&ndash;&gt;-->
    <!--&lt;!&ndash;TRACE<DEBUG<INFO<WARN<ERROR&ndash;&gt;-->
    <!--&lt;!&ndash;logger.info("msg")  logger.debug("msg")  logger.error("msg")&ndash;&gt;-->
    <!--<property name="log.level" value="debug">-->
    <!--</property>-->
    <!--<property name="log.maxHistory" value="30">-->
    <!--</property>-->
    <!--<property name="log.filePath" value="${catalina.base}/logs/webapps">-->
    <!--</property>-->
    <!--<property name="log.pattern" value="%d{yyyy-MM-dd HH:mm:ss.SSS} [%thread] %-5level %logger{55} - -->
    <!--%msg%n">-->
    <!--</property>-->

    <!--&lt;!&ndash;控制台设置&ndash;&gt;-->
    <!--<appender name="consoleApperder" class="ch.qos.logback.core.ConsoleAppender">-->
        <!--<encoder>-->
            <!--<pattern>${log.pattern}</pattern>-->
        <!--</encoder>-->
    <!--</appender>-->

    <!--&lt;!&ndash;Debug&ndash;&gt;-->
    <!--<appender name="debugAppender" class="ch.qos.logback.core.rolling.RollingFileAppender">-->
        <!--&lt;!&ndash;文件路径&ndash;&gt;-->
        <!--<file>-->
            <!--${log.filePath}/debug.log-->
        <!--</file>-->
        <!--<rollingPolicy class="ch.qos.logback.core.rolling.TimeBasedRollingPolicy">-->
            <!--&lt;!&ndash;文件名称&ndash;&gt;-->
            <!--<fileNamePattern>-->

            <!--</fileNamePattern>-->

            <!--<MaxHistory>-->
                <!---->
            <!--</MaxHistory>-->
        <!--</rollingPolicy>-->
    <!--</appender>-->


<!--</configuration>-->

8 日志文件

image-20190126083638958

image-20190126083702916

9 pom 文件

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<?xml version="1.0" encoding="UTF-8"?>
<!--
  Licensed to the Apache Software Foundation (ASF) under one
  or more contributor license agreements.  See the NOTICE file
  distributed with this work for additional information
  regarding copyright ownership.  The ASF licenses this file
  to you under the Apache License, Version 2.0 (the
  "License"); you may not use this file except in compliance
  with the License.  You may obtain a copy of the License at

   http://www.apache.org/licenses/LICEccNSE-2.0

  Unless required by applicable law or agreed to in writing,
  software distributed under the License is distributed on an
  "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
  KIND, either express or implied.  See the License for the
  specific language governing permissions and limitations
  under the License.
-->
<!-- $Id: pom.xml 642118 2008-03-28 08:04:16Z reinhard $ -->
<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>
    <packaging>war</packaging>

    <name>o2o</name>
    <groupId>com.imooc.o2o</groupId>
    <artifactId>o2o</artifactId>
    <version>1.0-SNAPSHOT</version>

    <properties>
        <spring.version>4.3.7.RELEASE</spring.version>
    </properties>


    <dependencies>
        <!-- 单元测试 -->
        <dependency>
            <groupId>junit</groupId>
            <artifactId>junit</artifactId>
            <version>4.12</version>
        </dependency>
        <!-- 1.日志 -->
        <!-- 实现slf4j接口并整合 -->
        <dependency>
            <groupId>ch.qos.logback</groupId>
            <artifactId>logback-classic</artifactId>
            <version>1.2.1</version>
        </dependency>

        <!-- 2.数据库 -->
        <!--<dependency>-->
            <!--<groupId>mysql</groupId>-->
            <!--<artifactId>mysql-connector-java</artifactId>-->
            <!--<version>5.1.37</version>-->
            <!--<scope>runtime</scope>-->
        <!--</dependency>-->
        <!-- https://mvnrepository.com/artifact/mysql/mysql-connector-java -->
        <dependency>
            <groupId>mysql</groupId>
            <artifactId>mysql-connector-java</artifactId>
            <version>8.0.14</version>
        </dependency>



        <!--<dependency>-->
        <!--<groupId>c3p0</groupId>-->
        <!--<artifactId>c3p0</artifactId>-->
        <!--<version>0.9.1.2</version>-->
        <!--</dependency>-->
        <!-- https://mvnrepository.com/artifact/com.mchange/c3p0 -->

        <dependency>
            <groupId>com.mchange</groupId>
            <artifactId>c3p0</artifactId>
            <version>0.9.5.2</version>
        </dependency>

        <!-- DAO: MyBatis -->
        <dependency>
            <groupId>org.mybatis</groupId>
            <artifactId>mybatis</artifactId>
            <version>3.4.2</version>
        </dependency>


        <dependency>
            <groupId>org.mybatis</groupId>
            <artifactId>mybatis-spring</artifactId>
            <version>1.3.1</version>
        </dependency>

        <!-- 3.Servlet web -->
        <dependency>
            <groupId>taglibs</groupId>
            <artifactId>standard</artifactId>
            <version>1.1.2</version>
        </dependency>


        <dependency>
            <groupId>jstl</groupId>
            <artifactId>jstl</artifactId>
            <version>1.2</version>
        </dependency>


        <dependency>
            <groupId>com.fasterxml.jackson.core</groupId>
            <artifactId>jackson-databind</artifactId>
            <version>2.8.7</version>
        </dependency>


        <dependency>
            <groupId>javax.servlet</groupId>
            <artifactId>javax.servlet-api</artifactId>
            <version>3.1.0</version>
        </dependency>

        <!-- 4.Spring -->
        <!-- 1)Spring核心 -->
        <dependency>
            <groupId>org.springframework</groupId>
            <artifactId>spring-core</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-context</artifactId>
            <version>${spring.version}</version>
        </dependency>
        <!-- 2)Spring DAO层 -->
        <dependency>
            <groupId>org.springframework</groupId>
            <artifactId>spring-jdbc</artifactId>
            <version>${spring.version}</version>
        </dependency>
        <dependency>
            <groupId>org.springframework</groupId>
            <artifactId>spring-tx</artifactId>
            <version>${spring.version}</version>
        </dependency>
        <!-- 3)Spring web -->
        <dependency>
            <groupId>org.springframework</groupId>
            <artifactId>spring-web</artifactId>
            <version>${spring.version}</version>
        </dependency>
        <dependency>
            <groupId>org.springframework</groupId>
            <artifactId>spring-webmvc</artifactId>
            <version>${spring.version}</version>
        </dependency>
        <!-- 4)Spring test -->
        <dependency>
            <groupId>org.springframework</groupId>
            <artifactId>spring-test</artifactId>
            <version>${spring.version}</version>
        </dependency>
        <!-- Map工具类 -->
        <dependency>
            <groupId>commons-collections</groupId>
            <artifactId>commons-collections</artifactId>
            <version>3.2</version>
        </dependency>
        <!-- https://mvnrepository.com/artifact/commons-fileupload/commons-fileupload -->
        <dependency>
            <groupId>commons-fileupload</groupId>
            <artifactId>commons-fileupload</artifactId>
            <version>1.3.2</version>
        </dependency>
    </dependencies>


    <build>
        <plugins>
            <plugin>
                <groupId>org.mortbay.jetty</groupId>
                <artifactId>maven-jetty-plugin</artifactId>
                <version>6.1.7</version>
                <configuration>
                    <connectors>
                        <connector implementation="org.mortbay.jetty.nio.SelectChannelConnector">
                            <port>8888</port>
                            <maxIdleTime>30000</maxIdleTime>
                        </connector>
                    </connectors>
                    <webAppSourceDirectory>${project.build.directory}/${pom.artifactId}-${pom.version}
                    </webAppSourceDirectory>
                    <contextPath>/</contextPath>
                </configuration>
            </plugin>
        </plugins>
    </build>

</project>

10 验证DAO

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/*
配置Spring和Junit整合 Junit启动时加载SpringIOC容器
 */
@RunWith(SpringJUnit4ClassRunner.class)
//告诉Junit Spring配置文件的位置
@ContextConfiguration({"classpath:spring/spring-dao.xml"})
public class BaseTest {
}
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public class TbAreaMapperTest extends BaseTest {
    @Autowired
    private TbAreaMapper tbAreaMapper;

    @Test
    public void testQueryArea() {
        List<TbArea> tbAreas = tbAreaMapper.queryArea();
        System.err.println(tbAreas);
    }
}

11 验证Service

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public class TbAreaServiceTest extends BaseTest {
    @Autowired
    private AreaService areaService;

    @Test
    public void testGetAreaList() {
        List<TbArea> areaList = areaService.getAreaList();
        System.out.println(areaList);
    }
}

12验证Controller

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@Controller
@RequestMapping("/superadmin")
public class AreaController {
    @Autowired
    private AreaService areaService;

    @RequestMapping(value = "/listArea", method = RequestMethod.GET)
    @ResponseBody
    private Map<String, Object> listArea() {
        Map<String, Object> map = new HashMap<String, Object>();
        try {
            List<TbArea> areaList = areaService.getAreaList();
            map.put("rows", areaList);
            map.put("total", areaList.size());
        } catch (Exception e) {
            e.printStackTrace();
            map.put("success", false);
            map.put("errMsg", e.toString());
        }
        return map;
    }

image-20190125093727169

注意⚠️

Mysql8.0.14 将pom文件换成最高版本的 要不然会连接失败

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<dependency>
    <groupId>com.mchange</groupId>
    <artifactId>c3p0</artifactId>
    <version>0.9.5.2</version>
</dependency>
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<dependency>
    <groupId>mysql</groupId>
    <artifactId>mysql-connector-java</artifactId>
    <version>8.0.14</version>
</dependency>