springboot 整合 MyBatis 使用generator自动生成代码

目录结构：

application.properties

server.port=8080

spring.datasource.name=mysql_test
spring.datasource.type=com.alibaba.druid.pool.DruidDataSource
#druid相关配置
#监控统计拦截的filters
spring.datasource.druid.filters=stat
spring.datasource.druid.driver-class-name=com.mysql.jdbc.Driver
spring.datasource.druid.url=jdbc:mysql://192.168.3.41:3306/naxiaoxin-saladb?useUnicode=true&characterEncoding=UTF-8&allowMultiQueries=true
spring.datasource.druid.username=root
spring.datasource.druid.password=abcd-1234
spring.datasource.druid.initial-size=1
spring.datasource.druid.min-idle=1
spring.datasource.druid.max-active=20
spring.datasource.druid.max-wait=60000
spring.datasource.druid.time-between-eviction-runs-millis=60000
spring.datasource.druid.min-evictable-idle-time-millis=300000
spring.datasource.druid.validation-query=select 'x'
spring.datasource.druid.test-while-idle=true
spring.datasource.druid.test-on-borrow=false
spring.datasource.druid.test-on-return=false
spring.datasource.druid.pool-prepared-statements=false
spring.datasource.druid.max-pool-prepared-statement-per-connection-size=20

mybatis.mapper-locations=classpath:mapper/*.xml

generatorConfig.xml

<?xml version="1.0" encoding="UTF-8"?>
<!DOCTYPE generatorConfiguration
        PUBLIC "-//mybatis.org//DTD MyBatis Generator Configuration 1.0//EN"
        "http://mybatis.org/dtd/mybatis-generator-config_1_0.dtd">

<generatorConfiguration>
    <properties resource="application.properties" />
    <classPathEntry location="C:\Users\Administrator\.m2\repository\mysql\mysql-connector-java\6.0.6\mysql-connector-java-6.0.6.jar" />
    <context id="Tables" targetRuntime="MyBatis3">
        <!-- 注释 -->
        <commentGenerator>
            <!-- 是否生成注释代时间戳 -->
            <property name="suppressDate" value="true"/>
            <!-- 是否去除自动生成的注释 true：是 ： false:否 -->
            <property name="suppressAllComments" value="true"/>
        </commentGenerator>

        <!-- JDBC连接 -->
        <jdbcConnection
                driverClass="com.mysql.jdbc.Driver"
                connectionURL="jdbc:mysql://192.168.3.41:3306/naxiaoxin-saladb?useSSL=false&amp;nullNamePatternMatchesAll=true"
                userId="root"
                password="abcd-1234">
        </jdbcConnection>

        <!-- 非必需，类型处理器，在数据库类型和java类型之间的转换控制-->
        <!-- 默认false，把JDBC DECIMAL 和 NUMERIC 类型解析为 Integer，为 true时把JDBC DECIMAL 和
         NUMERIC 类型解析为java.math.BigDecimal -->
        <javaTypeResolver>
            <!-- 是否使用bigDecimal， false可自动转化以下类型（Long, Integer, Short, etc.） -->
            <property name="forceBigDecimals" value="false" />
        </javaTypeResolver>

        <!-- 生成实体类地址 -->
        <javaModelGenerator targetPackage="com.demo_mybatis.model" targetProject="src/main/java">
            <!-- 从数据库返回的值被清理前后的空格 -->
            <property name="trimStrings" value="true" />
            <!-- enableSubPackages:是否让schema作为包的后缀 -->
            <property name="enableSubPackages" value="false" />
        </javaModelGenerator>

        <!-- 生成mapper xml文件 -->
        <sqlMapGenerator targetPackage="mapper"  targetProject="src/main/resources">
            <!-- enableSubPackages:是否让schema作为包的后缀 -->
            <property name="enableSubPackages" value="false" />
        </sqlMapGenerator>

        <!-- 生成mapper xml对应Client-->
        <javaClientGenerator targetPackage="com.demo_mybatis.test.dao" targetProject="src/main/java" type="XMLMAPPER">
            <!-- enableSubPackages:是否让schema作为包的后缀 -->
            <property name="enableSubPackages" value="false" />
        </javaClientGenerator>

        <!-- 配置表信息 -->
        <!-- schema即为数据库名 tableName为对应的数据库表 domainObjectName是要生成的实体类 enable*ByExample
            是否生成 example类 -->

        <table schema="naxiaoxin-saladb" tableName="product_info"
               domainObjectName="ProductInfo" enableCountByExample="false"
               enableDeleteByExample="false" enableSelectByExample="false"
               enableUpdateByExample="false">
        </table>


    </context>
</generatorConfiguration>

pom.xml

<?xml version="1.0" encoding="UTF-8"?>
<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">
   <modelVersion>4.0.0</modelVersion>

   <groupId>com.demo_mybatis</groupId>
   <artifactId>test</artifactId>
   <version>0.0.1-SNAPSHOT</version>
   <packaging>jar</packaging>

   <name>test</name>
   <description>Demo project for Spring Boot</description>

   <parent>
      <groupId>org.springframework.boot</groupId>
      <artifactId>spring-boot-starter-parent</artifactId>
      <version>2.0.3.RELEASE</version>
      <relativePath/> <!-- lookup parent from repository -->
   </parent>

   <properties>
      <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
      <project.reporting.outputEncoding>UTF-8</project.reporting.outputEncoding>
      <java.version>1.8</java.version>
   </properties>

   <dependencies>
      <dependency>
         <groupId>org.springframework.boot</groupId>
         <artifactId>spring-boot-starter-jdbc</artifactId>
      </dependency>
      <dependency>
         <groupId>org.springframework.boot</groupId>
         <artifactId>spring-boot-starter-web</artifactId>
      </dependency>
      <dependency>
         <groupId>org.mybatis.spring.boot</groupId>
         <artifactId>mybatis-spring-boot-starter</artifactId>
         <version>1.3.2</version>
      </dependency>

      <dependency>
         <groupId>mysql</groupId>
         <artifactId>mysql-connector-java</artifactId>
         <scope>runtime</scope>
      </dependency>
      <dependency>
         <groupId>org.springframework.boot</groupId>
         <artifactId>spring-boot-starter-test</artifactId>
         <scope>test</scope>
      </dependency>

      <dependency>
         <groupId>org.apache.commons</groupId>
         <artifactId>commons-lang3</artifactId>
         <version>3.4</version>
      </dependency>
      <dependency>
         <groupId>com.fasterxml.jackson.core</groupId>
         <artifactId>jackson-core</artifactId>
      </dependency>
      <dependency>
         <groupId>com.fasterxml.jackson.core</groupId>
         <artifactId>jackson-databind</artifactId>
      </dependency>
      <dependency>
         <groupId>com.fasterxml.jackson.datatype</groupId>
         <artifactId>jackson-datatype-joda</artifactId>
      </dependency>
      <dependency>
         <groupId>com.fasterxml.jackson.module</groupId>
         <artifactId>jackson-module-parameter-names</artifactId>
      </dependency>
      <!-- 分页插件 -->
      <dependency>
         <groupId>com.github.pagehelper</groupId>
         <artifactId>pagehelper-spring-boot-starter</artifactId>
         <version>1.2.5</version>
      </dependency>
      <!-- alibaba的druid数据库连接池 -->
      <dependency>
         <groupId>com.alibaba</groupId>
         <artifactId>druid-spring-boot-starter</artifactId>
         <version>1.1.9</version>
      </dependency>

      <!--代码自动生成插件-->
      <!--使用完必须注释掉下面这个插件-->
      <dependency>
         <groupId>org.mybatis.generator</groupId>
         <artifactId>mybatis-generator-core</artifactId>
         <version>1.3.6</version>
      </dependency>
   </dependencies>

   <build>
      <plugins>
         <plugin>
            <groupId>org.springframework.boot</groupId>
            <artifactId>spring-boot-maven-plugin</artifactId>
         </plugin>
         <plugin>
            <groupId>org.mybatis.generator</groupId>
            <artifactId>mybatis-generator-maven-plugin</artifactId>
            <version>1.3.2</version>
            <configuration>
               <configurationFile>src/main/resources/generatorConfig.xml</configurationFile> <!--此处是配置文件的位置-->
               <overwrite>true</overwrite>
               <verbose>true</verbose>
            </configuration>
         </plugin>
      </plugins>
   </build>


</project>

运行：

或者

然后补齐service层和controller层

package com.demo_mybatis.controller;

import com.demo_mybatis.model.ProductInfo;
import com.demo_mybatis.service.ProductInfoService;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.stereotype.Controller;
import org.springframework.web.bind.annotation.GetMapping;
import org.springframework.web.bind.annotation.PostMapping;
import org.springframework.web.bind.annotation.ResponseBody;

@Controller
public class ProductInfoController {
    @Autowired
    private ProductInfoService productInfoService;

    @ResponseBody
    @PostMapping(value = "/addProductInfo")
    public int addProductInfo(ProductInfo productInfo){
        /*ProductInfo productInfo = new ProductInfo();
        productInfo.setProductId("1");
        productInfo.setProductName("张亮麻辣烫20元套餐");
        productInfo.setProductPrice(20.00);
        productInfo.setProductStock(20);
        productInfo.setProductDescription("张亮麻辣烫20元套餐张亮麻辣烫20元套餐张亮麻辣烫20元套餐张亮麻辣烫20元套餐张亮麻辣烫20元套餐张亮麻辣烫20元套餐张亮麻辣烫20元套餐");
        productInfo.setProoductIcon("1111");
        productInfo.setCategoryType(1);*/
        return productInfoService.insert(productInfo);
    }
}

package com.demo_mybatis.service.impl;

import com.demo_mybatis.mapper.ProductInfoMapper;
import com.demo_mybatis.model.ProductInfo;
import com.demo_mybatis.service.ProductInfoService;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.stereotype.Service;

@Service
public class ProductInfoServiceImpl implements ProductInfoService {
    @Autowired
    private ProductInfoMapper productInfoMapper;
    @Override
    public int insert(ProductInfo record) {
        return productInfoMapper.insert(record);
    }

    @Override
    public int insertSelective(ProductInfo record) {
        return 0;
    }
}

package com.demo_mybatis.service;

import com.demo_mybatis.model.ProductInfo;

public interface ProductInfoService {
    int insert(ProductInfo record);

    int insertSelective(ProductInfo record);
}

运行：