1.參考：

簡單整合，會報錯誤

https://segmentfault.com/a/1190000040467885?utm_source=sf-similar-article

利用maven編譯，

https://blog.csdn.net/zhiweihongyan1/article/details/120848199?ops_request_misc=%257B%2522request%255Fid%2522%253A%2522164592123216780274162555%2522%252C%2522scm%2522%253A%252220140713.130102334.pc%255Fall.%2522%257D&request_id=164592123216780274162555&biz_id=0&utm_medium=distribute.pc_search_result.none-task-blog-2~all~first_rank_ecpm_v1~rank_v31_ecpm-5-120848199.pc_search_result_cache&utm_term=fluent+mybatis&spm=1018.2226.3001.4187

開啟目標顯示才不會錯誤。

2. 新建工程

附：idea 建立spring-boot程式抓圖：參考連線。 https://www.cnblogs.com/cqmcu/p/15926462.html

新增pom

<properties>
        <java.version>1.8</java.version>
        <fluent-mybatis.version>1.6.13</fluent-mybatis.version>
    </properties>

    <dependencies>

        <dependency>
            <groupId>org.springframework.boot</groupId>
            <artifactId>spring-boot-starter-web</artifactId>
        </dependency>

        <dependency>
            <groupId>org.springframework.boot</groupId>
            <artifactId>spring-boot-starter-test</artifactId>
            <scope>test</scope>
        </dependency>


        <dependency>
            <groupId>mysql</groupId>
            <artifactId>mysql-connector-java</artifactId>
            <scope>runtime</scope>
        </dependency>

        <dependency>
            <groupId>org.projectlombok</groupId>
            <artifactId>lombok</artifactId>
            <optional>true
 
</optional>
        </dependency>

        <!-- 引入fluent-mybatis 執行依賴包, scope為compile -->
        <dependency>
            <groupId>com.github.atool</groupId>
            <artifactId>fluent-mybatis</artifactId>
            <version>${fluent-mybatis.version}</version>
        </dependency>
        <!-- 引入fluent-mybatis-processor, scope設定為provider 編譯需要，執行時不需要 -->
        <dependency>
            <groupId>com.github.atool</groupId>
            <artifactId>fluent-mybatis-processor</artifactId>
            <version>${fluent-mybatis.version}</version>
<!--            <scope>provided</scope>-->
        </dependency>

        <dependency>
            <groupId>org.mybatis.spring.boot</groupId>
            <artifactId>mybatis-spring-boot-starter</artifactId>
            <version>2.2.2</version>
        </dependency>

        
    </dependencies>

    <build>
        <plugins>
            <plugin>
                <groupId>org.apache.maven.plugins</groupId>
                <artifactId>maven-resources-plugin</artifactId>
                <version>3.1.0</version>
            </plugin>

            <plugin>
                <groupId>org.springframework.boot</groupId>
                <artifactId>spring-boot-maven-plugin</artifactId>
            </plugin>
        </plugins>
    </build>

注意，mawen編譯外掛，沒有則有問題。

<plugin>
    <groupId>org.apache.maven.plugins</groupId>
    <artifactId>maven-resources-plugin</artifactId>
    <version>3.1.0</version>
</plugin>

3. application.yml配置

server:
  port: 8080 # 埠號
spring:
  datasource: # 資料庫引數配置
    driver-class-name: com.mysql.cj.jdbc.Driver
    url: jdbc:mysql://127.0.0.1:3306/test_db?useUnicode=true&characterEncoding=utf8
    username: root
    password: 123456

4.EntityGeneratorTests.java 自動程式碼生成

package com.example.helloworld;

import cn.org.atool.generator.FileGenerator;
import cn.org.atool.generator.annotation.Table;
import cn.org.atool.generator.annotation.Tables;
import org.junit.jupiter.api.Test;
import org.springframework.boot.test.context.SpringBootTest;

@SpringBootTest
public class EntityGeneratorTests {

    // 資料來源 url
    static final String url = "jdbc:mysql://127.0.0.1:3306/test_db?useUnicode=true&characterEncoding=utf8";
    // 資料庫使用者名稱
    static final String username = "root";
    // 資料庫密碼
    static final String password = "123456";

    @Test
    public void generate() {
        // 引用配置類，build方法允許有多個配置類
        FileGenerator.build(Empty.class);
    }

    @Tables(
            // 設定資料庫連線資訊
            url = url, username = username, password = password,
            // 設定entity類生成src目錄, 相對於 user.dir
            srcDir = "src/main/java",
            // 設定entity類的package值
            basePack = "com.example.helloworld",
            // 設定dao介面和實現的src目錄, 相對於 user.dir
            daoDir = "src/main/java",
            // 設定哪些表要生成Entity檔案
            tables = {@Table(value = {"person"})}
    )
    static class Empty { //類名隨便取, 只是配置定義的一個載體
    }

}

5. 利用maven編譯

6.顯示target

7.編譯產生程式碼

8. 產生目的碼

9.新增對映掃描

10.Controller測試程式碼

11.postman功能測試