依賴配置
pom.xml
<dependency>
<groupId>com.baomidou</groupId>
<artifactId>mybatis-plus-boot-starter</artifactId>
<version>3.1.0</version>
</dependency>
<dependency>
<groupId>mysql</groupId>
<artifactId>mysql-connector-java</artifactId>
<version>8.0.13</version>
</dependency>
<!-- 代碼生成器依賴 -->
<dependency>
<groupId>com.baomidou</groupId>
<artifactId>mybatis-plus-generator</artifactId>
<version>3.1.0</version>
</dependency>
<!--如果把xml文件放在java包下-->
<build>
<resources>
<resource>
<directory>src/main/java</directory>
<includes>
<include>**/*.properties</include>
<!--java包下xml文件爲資源文件-->
<include>**/*.xml</include>
</includes>
<filtering>false</filtering>
</resource>
<resource>
<directory>src/main/resources</directory>
<includes>
<include>**/*.properties</include>
<include>**/*.xml</include>
<include>**/*.txt</include>
</includes>
<filtering>false</filtering>
</resource>
</resources>
</build>
配置文件配置
application.properties
mybatis-plus.mapper-locations: classpath*:com/demo/example/**/xml/*Mapper.xml
mybatis-plus.global-config.id-type: 0
mybatis-plus.global-config.db-column-underline: false
mybatis-plus.global-config.refresh-mapper: true
配置類配置
@Configuration
@EnableTransactionManagement
@MapperScan(basePackages = "com.example.demo.dao")
public class MybatisPlusConfig {
/**
* mybatis-plus分頁插件
*/
@Bean
public PaginationInterceptor paginationInterceptor() {
return new PaginationInterceptor();
}
/**
* 樂觀鎖mybatis插件
*/
@Bean
public OptimisticLockerInterceptor optimisticLockerInterceptor() {
return new OptimisticLockerInterceptor();
}
}
數據源配置
逆向生成
在 SpringBoot 項目的 test.java 文件夾下創建此類,import org.junit.Test;
public class EntityGenerator {
// 生成輸出目錄,定位到工程的java目錄下
private String outputDir = "F:\\demo\\src\\main\\java";
// 生成類的作者
private String author = "";
// 數據源相關配置
private String url = "jdbc:mysql://127.0.0.1:3306/demo?autoReconnect=true&useUnicode=true&characterEncoding=utf8&zeroDateTimeBehavior=CONVERT_TO_NULL&useSSL=false&serverTimezone=UTC";
private String driverName = "com.mysql.cj.jdbc.Driver";
private String userName = "root";
private String userPwd = "root";
// DAO的包路徑
private String daoPackage = "com.demo.example.dao";
// 待生成的表名,注意是覆蓋更新
private static String[] tableNames;
static{
tableNames = new String[]{
"user"
};
}
@Test
public void entityGenerator() {
AutoGenerator mpg = new AutoGenerator();
mpg.setTemplateEngine(new BeetlTemplateEngine());
// 全局配置
GlobalConfig gc = new GlobalConfig();
gc.setOutputDir(outputDir);
gc.setFileOverride(true);
gc.setActiveRecord(true);
gc.setEnableCache(false);
gc.setBaseResultMap(true);
gc.setBaseColumnList(false);
gc.setAuthor(author);
mpg.setGlobalConfig(gc);
// 數據源配置
DataSourceConfig dsc = new DataSourceConfig();
dsc.setUrl(url);
// dsc.setSchemaName("public");
dsc.setDriverName(driverName);
dsc.setUsername(userName);
dsc.setPassword(userPwd);
mpg.setDataSource(dsc);
// 策略配置
StrategyConfig strategy = new StrategyConfig();
//strategy.setTablePrefix(new String[]{"_"});// 此處可以修改爲您的表前綴
strategy.setNaming(NamingStrategy.underline_to_camel);// 表名生成策略
strategy.setInclude(tableNames);
mpg.setStrategy(strategy);
// 包配置
PackageConfig pc = new PackageConfig();
pc.setParent(null);
pc.setEntity(daoPackage+".entity");
pc.setMapper(daoPackage+".mapper");
pc.setXml(daoPackage+".mapper.xml");
mpg.setPackageInfo(pc);
// 注入自定義配置,可以在 VM 中使用 cfg.abc 設置的值
InjectionConfig cfg = new InjectionConfig() {
@Override
public void initMap() {
Map<String, Object> map = new HashMap<>();
map.put("abc", this.getConfig().getGlobalConfig().getAuthor() + "-mp");
this.setMap(map);
}
};
mpg.setCfg(cfg);
// 執行生成
mpg.execute();
// 打印注入設置
System.err.println(mpg.getCfg().getMap().get("abc"));
}
}