添加依赖
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   | <dependency>     <groupId>com.baomidou</groupId>     <artifactId>mybatis-plus-generator</artifactId>     <version>3.4.1</version> </dependency> <dependency>     <groupId>org.apache.velocity</groupId>     <artifactId>velocity-engine-core</artifactId>     <version>2.3</version> </dependency>
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          编写配置
      MyBatis-Plus 的代码生成器提供了大量的自定义参数供用户选择,能够满足绝大部分人的使用需求。
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   | GlobalConfig globalConfig = new GlobalConfig(); globalConfig.setOutputDir(System.getProperty("user.dir") + "/src/main/java"); globalConfig.setAuthor("catnyan"); globalConfig.setOpen(false);
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   | DataSourceConfig dataSourceConfig = new DataSourceConfig(); dataSourceConfig.setUrl("jdbc:mysql://localhost:3306/example?useUnicode=true&useSSL=false&characterEncoding=utf8"); dataSourceConfig.setDriverName("com.mysql.jdbc.Driver"); dataSourceConfig.setUsername("root"); dataSourceConfig.setPassword("123456");
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更多配置信息请查看代码生成器配置
        
          定义代码生成器类
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   | import com.baomidou.mybatisplus.annotation.DbType; import com.baomidou.mybatisplus.annotation.IdType; import com.baomidou.mybatisplus.core.exceptions.MybatisPlusException; import com.baomidou.mybatisplus.generator.AutoGenerator; import com.baomidou.mybatisplus.generator.config.*; import com.baomidou.mybatisplus.generator.config.rules.DateType; import com.baomidou.mybatisplus.generator.config.rules.NamingStrategy; import org.apache.commons.lang3.StringUtils;
  import java.util.Scanner;
 
  public class CodeGenerator {
      public static String scanner(String tip) {         Scanner scanner = new Scanner(System.in);         StringBuilder help = new StringBuilder();         help.append("请输入" + tip + ":");         System.out.println(help.toString());         if (scanner.hasNext()) {             String ipt = scanner.next();             if (StringUtils.isNotBlank(ipt)) {                 return ipt;             }         }         throw new MybatisPlusException("请输入正确的" + tip + "!");     }
      public static void main(String[] args) {                  AutoGenerator mpg = new AutoGenerator();
                   GlobalConfig gc = new GlobalConfig();         String projectPath = System.getProperty("user.dir");         gc.setOutputDir(projectPath + "/src/main/java");         gc.setAuthor("catnyan");         gc.setOpen(false);          gc.setFileOverride(true);          gc.setServiceName("%sService");             gc.setIdType(IdType.AUTO);          gc.setDateType(DateType.ONLY_DATE);         gc.setSwagger2(false);         mpg.setGlobalConfig(gc);
                   DataSourceConfig dsc = new DataSourceConfig();         dsc.setUrl("jdbc:mysql://localhost:3306/example?serverTimezone=GMT%2B8");         dsc.setDriverName("com.mysql.cj.jdbc.Driver");         dsc.setUsername("root");         dsc.setPassword("123456");         dsc.setDbType(DbType.MYSQL);         mpg.setDataSource(dsc);
                   PackageConfig pc = new PackageConfig();         pc.setParent("com.catnyan");         pc.setModuleName(scanner("模块名"));         pc.setController("controller");         pc.setEntity("entity");         pc.setService("service");         pc.setMapper("mapper");         mpg.setPackageInfo(pc);
                   StrategyConfig strategy = new StrategyConfig();         strategy.setInclude(scanner("表名,多个英文逗号分割").split(","));         strategy.setNaming(NamingStrategy.underline_to_camel);         strategy.setTablePrefix(pc.getModuleName() + "_");          strategy.setColumnNaming(NamingStrategy.underline_to_camel);         strategy.setEntityLombokModel(true);          strategy.setRestControllerStyle(true);          strategy.setControllerMappingHyphenStyle(true);          mpg.setStrategy(strategy);
                   mpg.execute();     } }
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