利用Mybatis插入数据到MySQL中

一、需要导入的jar包

         <dependency>            <groupId>org.springframework</groupId>            <artifactId>spring-jdbc</artifactId>            <version>4.3.11.RELEASE</version>        </dependency>        <dependency>            <groupId>org.mybatis</groupId>            <artifactId>mybatis</artifactId>            <version>3.3.1</version>        </dependency>        <dependency>            <groupId>org.mybatis</groupId>            <artifactId>mybatis-spring</artifactId>            <version>1.2.3</version>        </dependency>        <dependency>            <groupId>com.alibaba</groupId>            <artifactId>druid</artifactId>            <version>1.0.18</version>        </dependency>        <dependency>            <groupId>mysql</groupId>            <artifactId>mysql-connector-java</artifactId>            <version>5.1.14</version>        </dependency>

二、数据库的设置和 SqlSession Bean

<bean id="propertyConfigurer"          class="org.springframework.beans.factory.config.PropertyPlaceholderConfigurer">        <property name="locations">            <list>                <value>classpath:database.properties</value>            </list>        </property>    </bean>    <!--BI 商品推荐数据源-->    <bean id="dataSource" class="com.alibaba.druid.pool.DruidDataSource">        <property name="driverClassName" value="${jdbc.driver}"/>        <property name="url" value="${jdbc.url}"/>        <property name="username" value="${jdbc.username}"/>        <property name="password" value="${jdbc.password}"/>        <!--链接池初始化线程数据-->        <property name="initialSize" value="${jdbc.initialPoolSize}" />        <!--链接池最小线程数-->        <property name="minIdle" value="${jdbc.minPoolSize}" />        <!--链接池最大线程数-->        <property name="maxActive" value="${jdbc.maxPoolSize}" />        <!--获取链接超时时间-->        <property name="maxWait" value="${jdbc.maxWaitTime}" />        <!--间隔多久才进行一次检测，检测需要关闭的空闲连接，单位是毫秒-->        <property name="timeBetweenEvictionRunsMillis" value="60000" />        <!--一个连接在池中最小生存的时间，单位是毫秒-->        <property name="minEvictableIdleTimeMillis" value="300000" />        <property name="validationQuery" value="SELECT 'x'" />        <property name="testWhileIdle" value="true" />        <property name="testOnBorrow" value="false" />        <property name="testOnReturn" value="false" />        <!--打开PSCache，并且指定每个连接上PSCache的大小-->        <property name="poolPreparedStatements" value="false" />        <property name="maxPoolPreparedStatementPerConnectionSize" value="20" />    </bean>    <bean id="sqlSessionFactory" class="org.mybatis.spring.SqlSessionFactoryBean">    <!--mybatis的配置文件-->        <property name="configLocation" value="classpath:mybatis-config.xml" />        <property name="dataSource" ref="dataSource" />    </bean>    <bean id="sqlSession" class="org.mybatis.spring.SqlSessionTemplate">        <constructor-arg index="0" ref="sqlSessionFactory" />    </bean>

三、mybatis配置文件

<configuration>    <mappers>         <mapper resource="supplierProductMapper.xml"/>    </mappers></configuration>    

四、实体类

public class SupplierProduct {    private int id;    private int supplierId;    private String createdAt;    private String updatedAt;    private String deletedAt;    private int isDeleted;    //省略get、set方法

五、实体类与mybatis的映射

<!DOCTYPE mapper PUBLIC "-//mybatis.org//DTD Mapper 3.0//EN" "http://mybatis.org/dtd/mybatis-3-mapper.dtd" ><mapper namespace="com.jolly.spider.bean.supplierProductMapper" ><!--返回自增的id-->    <insert id="insert" useGeneratedKeys="true" keyProperty="id" parameterType="com.jolly.spider.bean.SupplierProduct">        INSERT INTO           supplier_product        (            supplier_id,created_at,updated_at,process_status,is_deleted,supp_parent_id,supp_parent_code,            name,            description,category,image_url,image_list,extra,currency        )VALUES(            #{supplierId},#{createdAt},#{updatedAt},#{processStatus},#{isDeleted},#{suppParentId},#{suppParentCode},#{name},            #{description},#{category},#{imageUrl},#{imageList},#{extra},#{currency}        )    </insert></mapper>

六、测试

private final static String SPACE="com.jolly.spider.bean.supplierProductMapper";    private static String path="database.config.xml";    private SqlSessionTemplate sqlSession;    public SupplierDao(){        ApplicationContext context=new ClassPathXmlApplicationContext(path);        sqlSession=(SqlSessionTemplate) context.getBean("sqlSession");    }    public int insert(SupplierProduct sp){        try{            return sqlSession.insert(SPACE+".insert",sp);        }catch (Exception e){            e.printStackTrace();        }       return -1;    }