Mybaits 生产mapper

1、maven中添加插件

　　

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<build>        <plugins>            <plugin>                <groupId>org.springframework.boot</groupId>                <artifactId>spring-boot-maven-plugin</artifactId>            </plugin>            <plugin>                <groupId>org.springframework.boot</groupId>                <artifactId>spring-boot-maven-plugin</artifactId>            </plugin>            <plugin>                <groupId>org.mybatis.generator</groupId>                <artifactId>mybatis-generator-maven-plugin</artifactId>                <version>1.3.7</version>                <dependencies>                        <dependency> <groupId>tk.mybatis</groupId>                            <artifactId>mapper</artifactId>                            <version>4.0.3</version>                        </dependency>                      <dependency>                        <groupId> mysql</groupId>                        <artifactId> mysql-connector-java</artifactId>                        <version>8.0.16</version>                    </dependency>                    <dependency>                        <groupId>org.mybatis.generator</groupId>                        <artifactId>mybatis-generator-core</artifactId>                        <version>1.3.7</version>                    </dependency>                    <dependency>                        <groupId>javax.servlet</groupId>                        <artifactId>javax.servlet-api</artifactId>                        <version>3.1.0</version>                        <scope>provided</scope>                    </dependency>                </dependencies>                <executions>                    <execution>                        <id>Generate MyBatis Artifacts</id>                        <phase>package</phase>                        <goals>                            <goal>generate</goal>                        </goals>                    </execution>                </executions>                <configuration>                    <!--允许移动生成的文件 -->                    <verbose>true</verbose>                    <!-- 是否覆盖 -->                    <overwrite>false</overwrite>                    <!-- 自动生成的配置 -->                    <configurationFile>src/main/resources/mybatis-generater.xml</configurationFile>                </configuration>            </plugin>          </plugins>    </build>

　　2、配置 mybatis-generater.xml