MBG

1. 导入相关包
2. <!--数据库连接-->??
3. ????<dependency>??
4. ????????<groupId>mysql</groupId>??
5. ????????<artifactId>mysql-connector-java</artifactId>??
6. ????????<version>5.1.41</version>??
7. ????</dependency>??
8. ????<dependency>??
9. ????????<groupId>com.alibaba</groupId>??
10. ????????<artifactId>druid</artifactId>??
11. ????????<version>1.1.3</version>??
12. ????</dependency>??
13. ????<!--MyBatis-->??
14. ????<dependency>??
15. ????????<groupId>org.mybatis.spring.boot</groupId>??
16. ????????<artifactId>mybatis-spring-boot-starter</artifactId>??
17. ????????<version>1.3.1</version>??
18. ????</dependency>??

2. 导入插件

1. <plugin>??
2. ????<groupId>org.mybatis.generator</groupId>??
3. ????<artifactId>mybatis-generator-maven-plugin</artifactId>??
4. ????<version>1.3.5</version>??
5. ????<dependencies>??
6. ????????<dependency>??
7. ????????????<groupId>org.mybatis.generator</groupId>??
8. ????????????<artifactId>mybatis-generator-core</artifactId>??
9. ????????????<version>1.3.5</version>??
10. ????????</dependency>??
11. ????????<dependency>??
12. ????????????<groupId>mysql</groupId>??
13. ????????????<artifactId>mysql-connector-java</artifactId>??
14. ????????????<version>5.1.41</version>??
15. ????????</dependency>??
16. ????</dependencies>??
17. ????<executions>??
18. ????????<execution>??
19. ????????????<id>mybatis?generator</id>??
20. ????????????<phase>package</phase>??
21. ????????????<goals>??
22. ????????????????<goal>generate</goal>??
23. ????????????</goals>??
24. ????????</execution>??
25. ????</executions>??
26. ????<configuration>??
27. ????????<!--?允许移动生成的文件?-->??
28. ????????<verbose>false</verbose>??
29. ????????<!--?允许自动覆盖文件?-->??
30. ????????<overwrite>false</overwrite>??
31. ????????<configurationFile>??
32. ????????????src/main/resources/mybatis-generator.xml??
33. ????????</configurationFile>??
34. ????</configuration>??
35. </plugin>??

3. 创建对应包， 在resources文件下创建mybatis-generator.xml

1. <?xml?version="1.0"?encoding="UTF-8"?>??
2. <!DOCTYPE?generatorConfiguration??
3. ????????PUBLIC?"-//mybatis.org//DTD?MyBatis?Generator?Configuration?1.0//EN"??
4. ????????"http://mybatis.org/dtd/mybatis-generator-config_1_0.dtd">??
5. ?? ?
6. <generatorConfiguration>??
7. ?? ?
8. ????<context?id="default"?targetRuntime="MyBatis3">??
9. ?? ?
10. ????????<!--?optional，旨在创建class时，对注释进行控制?-->??
11. ????????<commentGenerator>??
12. ????????????<property?name="suppressDate"?value="true"/>??
13. ????????????<property?name="suppressAllComments"?value="true"/>??
14. ????????</commentGenerator>??
15. ?? ?
16. ????????<!--jdbc的数据库连接?-->??
17. ????????<jdbcConnection?driverClass="com.mysql.jdbc.Driver"??
18. ????????????????????????connectionURL="jdbc:mysql://127.0.0.1:3306/xunwu"??
19. ????????????????????????userId="root"??
20. ????????????????????????password="123456">??
21. ????????</jdbcConnection>??
22. ?? ?
23. ?? ?
24. ????????<!--?非必需，类型处理器，在数据库类型和java类型之间的转换控制-->??
25. ????????<javaTypeResolver>??
26. ????????????<property?name="forceBigDecimals"?value="false"/>??
27. ????????</javaTypeResolver>??
28. ?? ?
29. ????????<!--?生成DataObject类存放位置?-->??
30. ????????<javaModelGenerator?targetPackage="com.figsprite.xunwu.dataobject"?targetProject="src/main/java">??
31. ????????????<!--?是否允许子包，即targetPackage.schemaName.tableName?-->??
32. ????????????<property?name="enableSubPackages"?value="false"/>??
33. ????????????<!--?是否对DO添加?构造函数?-->??
34. ????????????<property?name="constructorBased"?value="true"/>??
35. ????????????<!--?是否对类CHAR类型的列的数据进行trim操作?-->??
36. ????????????<property?name="trimStrings"?value="true"/>??
37. ????????????<!--?建立的DO对象是否?不可改变??即生成的Model对象不会有?setter方法，只有构造方法?-->??
38. ????????????<property?name="immutable"?value="false"/>??
39. ????????</javaModelGenerator>??
40. ????????<!--?生成映射文件存放位置?-->??
41. ????????<sqlMapGenerator?targetPackage="mapping"?targetProject="src/main/resources">??
42. ????????????<property?name="enableSubPackages"?value="false"/>??
43. ????????</sqlMapGenerator>??
44. ?? ?
45. ????????<!--?生成Dao类存放位置?-->??
46. ????????<!--?客户端代码，生成易于使用的针对Model对象和XML配置文件的代码??
47. ??????????????type="ANNOTATIONDMAPPER"，生成Java?Model和基于注解的Mapper?对象??
48. ??????????????type="MIXEDMAPPER",生成基于注解的Java?Model和相应的Mapper对象??
49. ??????????????type="XMLMAPPER",生成SQLMap?XML?文件和独立的Mapper接口-->??
50. ????????<javaClientGenerator?type="XMLMAPPER"?targetPackage="com.figsprite.xunwu.dao"?targetProject="src/main/java">??
51. ????????????<property?name="enableSubPackages"?value="true"/>??
52. ????????</javaClientGenerator>??
53. ?? ?
54. ?? ?
55. ????????<table?tableName="house"?domainObjectName="House"?enableCountByExample="false"?enableUpdateByExample="false"?enableDeleteByExample="false"?enableSelectByExample="false"?selectByExampleQueryId="false"></table>??
56. ????????<table?tableName="house_detail"?domainObjectName="HouseDetail"?enableCountByExample="false"?enableUpdateByExample="false"?enableDeleteByExample="false"?enableSelectByExample="false"?selectByExampleQueryId="false"></table>??
57. ????????<table?tableName="house_picture"?domainObjectName="HousePicture"?enableCountByExample="false"?enableUpdateByExample="false"?enableDeleteByExample="false"?enableSelectByExample="false"?selectByExampleQueryId="false"></table>??
58. ????????<table?tableName="house_subscribe"?domainObjectName="HouseSubscribe"?enableCountByExample="false"?enableUpdateByExample="false"?enableDeleteByExample="false"?enableSelectByExample="false"?selectByExampleQueryId="false"></table>??
59. ????????<table?tableName="house_tag"?domainObjectName="HouseTag"?enableCountByExample="false"?enableUpdateByExample="false"?enableDeleteByExample="false"?enableSelectByExample="false"?selectByExampleQueryId="false"></table>??
60. ????????<table?tableName="role"?domainObjectName="Role"?enableCountByExample="false"?enableUpdateByExample="false"?enableDeleteByExample="false"?enableSelectByExample="false"?selectByExampleQueryId="false"></table>??
61. ????????<table?tableName="subway"?domainObjectName="Subway"?enableCountByExample="false"?enableUpdateByExample="false"?enableDeleteByExample="false"?enableSelectByExample="false"?selectByExampleQueryId="false"></table>??
62. ????????<table?tableName="subway_station"?domainObjectName="SubwayStation"?enableCountByExample="false"?enableUpdateByExample="false"?enableDeleteByExample="false"?enableSelectByExample="false"?selectByExampleQueryId="false"></table>??
63. ????????<table?tableName="support_address"?domainObjectName="SupportAddress"?enableCountByExample="false"?enableUpdateByExample="false"?enableDeleteByExample="false"?enableSelectByExample="false"?selectByExampleQueryId="false"></table>??
64. ????????<table?tableName="user"?domainObjectName="User"?enableCountByExample="false"?enableUpdateByExample="false"?enableDeleteByExample="false"?enableSelectByExample="false"?selectByExampleQueryId="false"></table>??
65. ?? ?
66. ????</context>??
67. </generatorConfiguration>??

4. 加上生成命令

????RunàEditConfigurationà+àMaven

????输入Command line

????mybatis-generator:generate

5. Run

?

MBG

原文：https://www.cnblogs.com/figsprite/p/11100012.html