4-创建通用的数据访问

POM

<?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>

    <parent>
        <groupId>com.page</groupId>
        <artifactId>page-dependencies</artifactId>
        <version>1.0.0-SNAPSHOT</version>
        <relativePath>../page-dependencies/pom.xml</relativePath>
    </parent>

    <artifactId>page-commons-mapper</artifactId>
    <packaging>jar</packaging>

    <name>page-commons-mapper</name>
    <inceptionYear>2018-Now</inceptionYear>

    <dependencies>
        <!-- Spring Boot Begin -->
        <dependency>
            <groupId>com.alibaba</groupId>
            <artifactId>druid-spring-boot-starter</artifactId>
        </dependency>
        <dependency>
            <groupId>tk.mybatis</groupId>
            <artifactId>mapper-spring-boot-starter</artifactId>
        </dependency>
        <dependency>
            <groupId>com.github.pagehelper</groupId>
            <artifactId>pagehelper-spring-boot-starter</artifactId>
        </dependency>
        <!-- Spring Boot End -->

        <!-- Commons Begin -->
        <dependency>
            <groupId>mysql</groupId>
            <artifactId>mysql-connector-java</artifactId>
            <scope>runtime</scope>
        </dependency>
        <!-- Commons End -->

        <!-- Projects Begin -->
        <dependency>
            <groupId>com.page</groupId>
            <artifactId>page-commons-domain</artifactId>
            <version>${project.parent.version}</version>
        </dependency>
        <!-- Projects End -->
    </dependencies>
</project>

MyMapper

package tk.mybatis.mapper;

import tk.mybatis.mapper.common.Mapper;
import tk.mybatis.mapper.common.MySqlMapper;

/**
 *  通用的MyMapper
 * <p>Title: MyMapper</p>
 * @author cangbao
 * @date 2019/1/26 15:36
 * @package tk.mybatis.mapper
 */
public interface MyMapper<T> extends Mapper<T>, MySqlMapper<T> {
}