SpringBoot项目使用mybatis-plus代码生成的实例详解

<!-- mybatis plus 代码生成器 -->
<dependency>
    <groupId>com.baomidou</groupId>
    <artifactId>mybatis-plus-boot-starter</artifactId>
    <version>3.4.3.4</version>
</dependency>
<dependency>
    <groupId>com.baomidou</groupId>
    <artifactId>mybatis-plus-generator</artifactId>
    <version>3.5.1</version>
</dependency>

mybatis-plus:
  mapper-locations: classpath*:mapper/**/*Mapper.xml
  type-aliases-package: com.lewyon.mybatislewyon.entity

<!-- mysql -->
<dependency>
    <groupId>mysql</groupId>
    <artifactId>mysql-connector-java</artifactId>
    <version>8.0.26</version>
</dependency>
<!-- freemarker -->
<dependency>
    <groupId>org.freemarker</groupId>
    <artifactId>freemarker</artifactId>
    <version>2.3.31</version>
</dependency>

private static final DataSourceConfig.Builder DATA_SOURCE_CONFIG = new DataSourceConfig
    .Builder("jdbc:mysql://localhost:3306/user?useUnicode=true&useJDBCCompliantTimezoneShift=true&useLegacyDatetimeCode=false&serverTimezone=UTC", "root", "lewyon123")
    .dbQuery(new MySqlQuery()) //数据库查询
    .schema("mybatis-plus") //数据库schema(部分数据库适用)
    .typeConvert(new MySqlTypeConvert()) //数据库类型转换器
    .keyWordsHandler(new MySqlKeyWordsHandler()); //数据库关键字处理器

.globalConfig(builder -> {
    builder.author("lewyon") // 设置作者
            .enableSwagger() // 开启 swagger 模式
            .fileOverride() // 覆盖已生成文件
            .disableOpenDir() //禁止打开输出目录
            .outputDir(projectPath + "/src/main/java"); // 指定输出目录
})

.packageConfig(builder -> {
    builder.parent("com.lewyon.mybatislewyon") // 设置父包名
            .moduleName("user") // 设置父包模块名
            .entity("entity")
            .service("service")
            .serviceImpl("service.impl")
            .mapper("mapper")
            .xml("mapper.xml")
            .controller("controller");
})

.strategyConfig(builder -> {
    builder.addInclude("user") // 设置需要生成的表名
            .addTablePrefix("t_", "c_").controllerBuilder()
            .enableHyphenStyle()
            .enableRestStyle()
            .serviceBuilder()
            .formatServiceFileName("%sService")
            .formatServiceImplFileName("%sServiceImp")
            .build();
})

package com.lewyon.mybatislewyon;

import com.baomidou.mybatisplus.generator.FastAutoGenerator;
import com.baomidou.mybatisplus.generator.config.DataSourceConfig;
import com.baomidou.mybatisplus.generator.config.converts.MySqlTypeConvert;
import com.baomidou.mybatisplus.generator.config.querys.MySqlQuery;
import com.baomidou.mybatisplus.generator.engine.FreemarkerTemplateEngine;
import com.baomidou.mybatisplus.generator.engine.VelocityTemplateEngine;
import com.baomidou.mybatisplus.generator.keywords.MySqlKeyWordsHandler;

public class GeneratorCode {
    /**
     * 数据源配置
     */
    private static final DataSourceConfig.Builder DATA_SOURCE_CONFIG = new DataSourceConfig
            .Builder("jdbc:mysql://localhost:3306/user?useUnicode=true&useJDBCCompliantTimezoneShift=true&useLegacyDatetimeCode=false&serverTimezone=UTC", "root", "lewyon123")
            .dbQuery(new MySqlQuery()) //数据库查询
            .schema("mybatis-plus") //数据库schema(部分数据库适用)
            .typeConvert(new MySqlTypeConvert()) //数据库类型转换器
            .keyWordsHandler(new MySqlKeyWordsHandler()); //数据库关键字处理器

    public static void main(String[] args) {
        String projectPath = System.getProperty("user.dir");
        FastAutoGenerator.create(DATA_SOURCE_CONFIG)
                .globalConfig(builder -> {
                    builder.author("lewyon") // 设置作者
                            .enableSwagger() // 开启 swagger 模式
                            .fileOverride() // 覆盖已生成文件
                            .disableOpenDir() //禁止打开输出目录
                            .outputDir(projectPath + "/src/main/java"); // 指定输出目录
                })
                .packageConfig(builder -> {
                    builder.parent("com.lewyon.mybatislewyon") // 设置父包名
                            .moduleName("user") // 设置父包模块名
                            .entity("entity")
                            .service("service")
                            .serviceImpl("service.impl")
                            .mapper("mapper")
                            .xml("mapper.xml")
                            .controller("controller");
                })
                .strategyConfig(builder -> {
                    builder.addInclude("user") // 设置需要生成的表名
                            .addTablePrefix("t_", "c_").controllerBuilder()
                            .enableHyphenStyle()
                            .enableRestStyle()
                            .serviceBuilder()
                            .formatServiceFileName("%sService")
                            .formatServiceImplFileName("%sServiceImp")
                            .build();
                })
                .templateEngine(new FreemarkerTemplateEngine()) // 使用Freemarker引擎模板，默认的是Velocity引擎模板
                .execute();

    }
}