generatorConfig.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">
6. <generatorConfiguration>
7. <context id="testTables" targetRuntime="MyBatis3">
8. <commentGenerator>
9. <!-- 是否去除自動生成的註釋 true：是 ： false:否 -->
10. <property name="suppressAllComments" value="true" />
11. </commentGenerator>
12. <!--數據庫連接的信息：驅動類、連接地址、用戶名、密碼 -->
13. <jdbcConnection driverClass="com.mysql.jdbc.Driver"
14. connectionURL="jdbc:mysql://localhost:3306/mybatis" userId="root"
15. password="root">
16. </jdbcConnection>
17. <!-- 默認false，把JDBC DECIMAL 和 NUMERIC 類型解析為 Integer，為 true時把JDBC DECIMAL 和
18. NUMERIC 類型解析為java.math.BigDecimal -->
19. <javaTypeResolver>
20. <property name="forceBigDecimals" value="false" />
21. </javaTypeResolver>
23. <!-- targetProject:生成PO類的位置 -->
24. <javaModelGenerator targetPackage="com.test.mybatis"
25. targetProject="src\main\java">
26. <!-- enableSubPackages:是否讓schema作為包的後綴 -->
27. <property name="enableSubPackages" value="false" />
28. <!-- 從數據庫返回的值被清理前後的空格 -->
29. <property name="trimStrings" value="true" />
30. </javaModelGenerator>
31. <!-- targetProject:mapper映射文件生成的位置 -->
32. <sqlMapGenerator targetPackage="com.test.mapper"
33. targetProject="src\main\java">
34. <!-- enableSubPackages:是否讓schema作為包的後綴 -->
35. <property name="enableSubPackages" value="false" />
36. </sqlMapGenerator>
37. <!-- targetPackage：mapper接口生成的位置 -->
38. <javaClientGenerator type="XMLMAPPER"
39. targetPackage="com.test.mapper"
40. targetProject="src\main\java">
41. <!-- enableSubPackages:是否讓schema作為包的後綴 -->
42. <property name="enableSubPackages" value="false" />
43. </javaClientGenerator>
44. <!-- 指定數據庫表 -->
45. <table schema="" tableName="sys_user"></table>
46. <table schema="" tableName="sys_role"></table>
47. <table schema="" tableName="country"></table>
48. <table schema="" tableName="sys_role_user"></table>
49. <table schema="" tableName="sys_role_privilege"></table>
50. <table schema="" tableName="sys_privilege"></table>
52. </context>
53. </generatorConfiguration>

log4j

1. log4j.rootLogger=DEBUG, Console
2. #Console
3. log4j.appender.Console=org.apache.log4j.ConsoleAppender
4. log4j.appender.Console.layout=org.apache.log4j.PatternLayout
5. log4j.appender.Console.layout.ConversionPattern=%d [%t] %-5p [%c] - %m%n
6. log4j.logger.java.sql.ResultSet=INFO
7. log4j.logger.org.apache=INFO
8. log4j.logger.java.sql.Connection=DEBUG
9. log4j.logger.java.sql.Statement=DEBUG
10. log4j.logger.java.sql.PreparedStatement=DEBUG

pom文件

1. <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">
2. <modelVersion>4.0.0</modelVersion>
3. <groupId>com.testmybatisgenerator</groupId>
4. <artifactId>mybatisgenerator</artifactId>
5. <version>0.0.1-SNAPSHOT</version>
7. <dependencies>
8. <dependency>
9. <groupId>log4j</groupId>
10. <artifactId>log4j</artifactId>
11. <version>1.2.14</version>
12. </dependency>
13. <dependency>
14. <groupId>org.mybatis</groupId>
15. <artifactId>mybatis</artifactId>
16. <version>3.3.0</version>
17. </dependency>
18. <dependency>
19. <groupId>mysql</groupId>
20. <artifactId>mysql-connector-java</artifactId>
21. <version>5.1.21</version>
22. </dependency>
23. <dependency>
24. <groupId>org.mybatis.generator</groupId>
25. <artifactId>mybatis-generator-core</artifactId>
26. <version>1.3.3</version>
27. </dependency>
28. </dependencies>
29. </project>

main函數

1. public class GenerateTest {
2. public static void main(String[] args) throws IOException, XMLParserException, InvalidConfigurationException {
3. List<String> list= new ArrayList<>();
4. boolean overWrite =true;
5. File configFile =new File("generatorConfig.xml");
6. ConfigurationParser parser = new ConfigurationParser(list);
7. org.mybatis.generator.config.Configuration configuration =parser.parseConfiguration(configFile);
8. DefaultShellCallback callback = new DefaultShellCallback(overWrite);
9. MyBatisGenerator myBatisGenerator = new MyBatisGenerator(configuration,
10. callback, list);
11. try {
12. myBatisGenerator.generate(null);
13. } catch (SQLException | InterruptedException e) {
14. // TODO Auto-generated catch block
15. e.printStackTrace();
16. }
17. }
18. }

給出工程目錄截圖

主要是再config中配置你的數據庫連接，當然如果你不是mysql，那麽你應該換成對應的驅動，然後運行main函數，刷新功能你會看到相關實體類

maven 工程mybatis自動生成實體類