javaSSM学习第一天(mybatis)-王明昌博客

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mybatis

mybatis是持久层框架,封装了jdbc

mybatis入门

官网:https://mybatis.org/mybatis-3/zh/index.html
依赖:

<!--        mybatis-->
        <dependency>
            <groupId>org.mybatis</groupId>
            <artifactId>mybatis</artifactId>
            <version>3.4.1</version>
        </dependency>
<!--        数据库-->
        <dependency>
            <groupId>mysql</groupId>
            <artifactId>mysql-connector-java</artifactId>
            <version>5.1.6</version>
        </dependency>
<!--        日志-->
        <dependency>
            <groupId>log4j</groupId>
            <artifactId>log4j</artifactId>
            <version>1.2.12</version>
        </dependency>
<!--        单元测试-->
        <dependency>
            <groupId>junit</groupId>
            <artifactId>junit</artifactId>
            <version>4.12</version>
            <scope>test</scope>
        </dependency>

<groupId>org.mybatis</groupId>

<artifactId>mybatis</artifactId>

</dependency>

<groupId>mysql</groupId>

<artifactId>mysql-connector-java</artifactId>

</dependency>

</dependency>

<groupId>junit</groupId>

<artifactId>junit</artifactId>

</dependency>

环境搭建

1. 创建maven工程+导入坐标(pom.xml)
![](http://oss1.wangmingchang.com/wmc-blog/wp-content/uploads/2019/11/15746896372554.jpg)

2. 创建实体类和dao的接口
![](http://oss1.wangmingchang.com/wmc-blog/wp-content/uploads/2019/11/15746896892779.jpg)