IDEA 搭建多模块SpringBoot 项目：集成MyBatisDruidDubbo
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智慧城管项目结构划分：
SmartUrban 智慧城管父类
核心pom.xml文件：定义功能模块和依赖SpringBoot parent 版本信息。
<?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>
<parent>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-starter-parent</artifactId>
<version>2.2.2.RELEASE</version>
</parent>
<groupId>org.example</groupId>
<artifactId>SmartUrban</artifactId>
<packaging>pom</packaging>
<version>1.0-SNAPSHOT</version>
<modules>
<module>SmartUrban-provider</module>
<module>SmartUrban-Consumer</module>
<module>SmartUrban-Generator</module>
<module>SmartUrban-Common</module>
</modules>
<properties>
<java.version>1.8</java.version>
<maven.compiler.source>8</maven.compiler.source>
<maven.compiler.target>8</maven.compiler.target>
</properties>
</project>SmartUrban-Common 通用模块
主要用于定于Service 和Model 实体对象。
package com.zzg.model;
import java.io.Serializable;
import java.util.Date;
public class User implements Serializable
private String id;
private String account;
private String name;
private String passwd;
private Date createDt;
private String createBy;
private Date updateDt;
private String updateBy;
private Byte state;
private static final long serialVersionUID = 1L;
public String getId()
return id;
public void setId(String id)
this.id = id == null ? null : id.trim();
public String getAccount()
return account;
public void setAccount(String account)
this.account = account == null ? null : account.trim();
public String getName()
return name;
public void setName(String name)
this.name = name == null ? null : name.trim();
public String getPasswd()
return passwd;
public void setPasswd(String passwd)
this.passwd = passwd == null ? null : passwd.trim();
public Date getCreateDt()
return createDt;
public void setCreateDt(Date createDt)
this.createDt = createDt;
public String getCreateBy()
return createBy;
public void setCreateBy(String createBy)
this.createBy = createBy == null ? null : createBy.trim();
public Date getUpdateDt()
return updateDt;
public void setUpdateDt(Date updateDt)
this.updateDt = updateDt;
public String getUpdateBy()
return updateBy;
public void setUpdateBy(String updateBy)
this.updateBy = updateBy == null ? null : updateBy.trim();
public Byte getState()
return state;
public void setState(Byte state)
this.state = state;
@Override
public String toString()
StringBuilder sb = new StringBuilder();
sb.append(getClass().getSimpleName());
sb.append(" [");
sb.append("Hash = ").append(hashCode());
sb.append(", id=").append(id);
sb.append(", account=").append(account);
sb.append(", name=").append(name);
sb.append(", passwd=").append(passwd);
sb.append(", createDt=").append(createDt);
sb.append(", createBy=").append(createBy);
sb.append(", updateDt=").append(updateDt);
sb.append(", updateBy=").append(updateBy);
sb.append(", state=").append(state);
sb.append(", serialVersionUID=").append(serialVersionUID);
sb.append("]");
return sb.toString();
package com.zzg.service;
import com.zzg.model.User;
import java.util.List;
public interface UserService
List<User> selectAll();
SmartUrban-Generator 代码生成器
基于MyBatis-Generator 生成工具，创建的代码生成器。
核心pom.xml 文件
<?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">
<parent>
<artifactId>SmartUrban</artifactId>
<groupId>org.example</groupId>
<version>1.0-SNAPSHOT</version>
</parent>
<modelVersion>4.0.0</modelVersion>
<artifactId>SmartUrban-Generator</artifactId>
<properties>
<java.version>1.8</java.version>
<maven.compiler.source>8</maven.compiler.source>
<maven.compiler.target>8</maven.compiler.target>
</properties>
<build>
<plugins>
<plugin>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-maven-plugin</artifactId>
<version>2.6.6</version>
</plugin>
<plugin>
<groupId>org.mybatis.generator</groupId>
<artifactId>mybatis-generator-maven-plugin</artifactId>
<version>1.3.5</version>
<configuration>
<configurationFile>src/main/resources/mybatis-generator/mybatis-generator-cfg.xml
</configurationFile>
<verbose>true</verbose>
<overwrite>true</overwrite>
</configuration>
<executions>
</executions>
<dependencies>
<dependency>
<groupId>org.mybatis.generator</groupId>
<artifactId>mybatis-generator-core</artifactId>
<version>1.3.5</version>
</dependency>
<!--mysql 驱动程序 -->
<dependency>
<groupId>mysql</groupId>
<artifactId>mysql-connector-java</artifactId>
<version>8.0.12</version>
</dependency>
</dependencies>
</plugin>
</plugins>
</build>
</project>执行完，MyBatis-Generator 代码生成器后，如下截图：
会依据配置文件在指定文件生成对于实体的model\\mapper\\xml 文件。
SmartUrban-provider 服务提供者
核心pom.xml 文件：
<?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">
<parent>
<artifactId>SmartUrban</artifactId>
<groupId>org.example</groupId>
<version>1.0-SNAPSHOT</version>
</parent>
<modelVersion>4.0.0</modelVersion>
<artifactId>SmartUrban-provider</artifactId>
<properties>
<java.version>1.8</java.version>
<maven.compiler.source>8</maven.compiler.source>
<maven.compiler.target>8</maven.compiler.target>
</properties>
<dependencies>
<!--集成common 模块-->
<dependency>
<groupId>org.example</groupId>
<artifactId>SmartUrban-Common</artifactId>
<version>1.0-SNAPSHOT</version>
</dependency>
<!--springboot 与 mybatis 集成 -->
<dependency>
<groupId>org.mybatis.spring.boot</groupId>
<artifactId>mybatis-spring-boot-starter</artifactId>
<version>1.3.2</version>
</dependency>
<!-- 数据库连接池druid -->
<dependency>
<groupId>com.alibaba</groupId>
<artifactId>druid-spring-boot-starter</artifactId>
<version>1.1.10</version>
</dependency>
<!--mysql 驱动程序 -->
<dependency>
<groupId>mysql</groupId>
<artifactId>mysql-connector-java</artifactId>
<version>8.0.12</version>
</dependency>
<!--集成dubbo 服务 -->
<dependency>
<groupId>com.alibaba.boot</groupId>
<artifactId>dubbo-spring-boot-starter</artifactId>
<version>0.2.0</version>
</dependency>
</dependencies>
</project>Service 接口实现类、Mapper 接口定义，Xml文件
package com.zzg.service.impl;
import com.alibaba.dubbo.config.annotation.Service;
import com.zzg.mapper.UserMapper;
import com.zzg.model.User;
import com.zzg.service.UserService;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.stereotype.Component;
import java.util.List;
@Service
@Component
public class UserServiceImpl implements UserService
@Autowired
private UserMapper userMapper;
@Override
public List<User> selectAll()
return userMapper.selectAll();
package com.zzg.mapper;
import com.zzg.model.User;
import java.util.List;
public interface UserMapper
int deleteByPrimaryKey(String id);
int insert(User record);
User selectByPrimaryKey(String id);
List<User> selectAll();
int updateByPrimaryKey(User record);
<?xml version="1.0" encoding="UTF-8"?>
<!DOCTYPE mapper PUBLIC "-//mybatis.org//DTD Mapper 3.0//EN" "http://mybatis.org/dtd/mybatis-3-mapper.dtd">
<mapper namespace="com.zzg.mapper.UserMapper">
<resultMap id="BaseResultMap" type="com.zzg.model.User">
<id column="id" jdbcType="VARCHAR" property="id" />
<result column="account" jdbcType="VARCHAR" property="account" />
<result column="name" jdbcType="VARCHAR" property="name" />
<result column="passwd" jdbcType="VARCHAR" property="passwd" />
<result column="create_dt" jdbcType="TIMESTAMP" property="createDt" />
<result column="create_by" jdbcType="VARCHAR" property="createBy" />
<result column="update_dt" jdbcType="TIMESTAMP" property="updateDt" />
<result column="update_by" jdbcType="VARCHAR" property="updateBy" />
<result column="state" jdbcType="TINYINT" property="state" />
</resultMap>
<delete id="deleteByPrimaryKey" parameterType="java.lang.String">
delete from house_user
where id = #id,jdbcType=VARCHAR
</delete>
<insert id="insert" parameterType="com.zzg.model.User">
insert into house_user (id, account, `name`,
passwd, create_dt, create_by,
update_dt, update_by, `state`
)
values (#id,jdbcType=VARCHAR, #account,jdbcType=VARCHAR, #name,jdbcType=VARCHAR,
#passwd,jdbcType=VARCHAR, #createDt,jdbcType=TIMESTAMP, #createBy,jdbcType=VARCHAR,
#updateDt,jdbcType=TIMESTAMP, #updateBy,jdbcType=VARCHAR, #state,jdbcType=TINYINT
)
</insert>
<update id="updateByPrimaryKey" parameterType="com.zzg.model.User">
update house_user
set account = #account,jdbcType=VARCHAR,
`name` = #name,jdbcType=VARCHAR,
passwd = #passwd,jdbcType=VARCHAR,
create_dt = #createDt,jdbcType=TIMESTAMP,
create_by = #createBy,jdbcType=VARCHAR,
update_dt = #updateDt,jdbcType=TIMESTAMP,
update_by = #updateBy,jdbcType=VARCHAR,
`state` = #state,jdbcType=TINYINT
where id = #id,jdbcType=VARCHAR
</update>
<select id="selectByPrimaryKey" parameterType="java.lang.String" resultMap="BaseResultMap">
select id, account, `name`, passwd, create_dt, create_by, update_dt, update_by, `state`
from house_user
where id = #id,jdbcType=VARCHAR
</select>
<select id="selectAll" resultMap="BaseResultMap">
select id, account, `name`, passwd, create_dt, create_by, update_dt, update_by, `state`
from house_user
</select>
</mapper>application.properties 配置文件和程序入口application
server.prot=8081
server.servlet.context-path=/provider
# ???????
spring.datasource.url=jdbc:mysql://localhost:3306/house?characterEncoding=utf8&useSSL=false&serverTimezone=UTC&rewriteBatchedStatements=true
spring.datasource.username=root
spring.datasource.password=123456
spring.datasource.driver-class-name=com.mysql.cj.jdbc.Driver
spring.datasource.type=com.alibaba.druid.pool.DruidDataSource
# druid ??
# ?????????????
spring.datasource.druid.initial-size=5
# ???????
spring.datasource.druid.max-active=30
# ???????
spring.datasource.druid.min-idle=5
# ????????????????
spring.datasource.druid.max-wait=60000
# ???????????????????????????????
spring.datasource.druid.time-between-eviction-runs-millis=60000
# ????????????????
spring.datasource.druid.min-evictable-idle-time-millis=300000
# ???????????sql??????????
spring.datasource.druid.validation-query=SELECT 1 FROM DUAL
# ?????true?????????????????????????????????timeBetweenEvictionRunsMillis???validationQuery?????????
spring.datasource.druid.test-while-idle=true
# ???????validationQuery?????????????????????
spring.datasource.druid.test-on-borrow=false
# ???????validationQuery?????????????????????
spring.datasource.druid.test-on-return=false
# ????preparedStatement????PSCache?PSCache???????????????????oracle??mysql??????
spring.datasource.druid.pool-prepared-statements=true
# ???PSCache???????0????0??poolPreparedStatements???????true?
spring.datasource.druid.max-pool-prepared-statement-per-connection-size=50
# ?????????filters????????sql????
spring.datasource.druid.filters=stat,wall,slf4j
# ??connectProperties?????mergeSql????SQL??
spring.datasource.druid.connection-properties=druid.stat.mergeSql=true;druid.stat.slowSqlMillis=500
# ????DruidDataSource?????
spring.datasource.druid.use-global-data-source-stat=true
##### WebStatFilter?? #######
#??StatFilter
spring.datasource.druid.web-stat-filter.enabled=true
#??????
spring.datasource.druid.web-stat-filter.url-pattern=/*
#????????url
spring.datasource.druid.web-stat-filter.exclusions=*.js,*.gif,*.jpg,*.png,*.css,*.ico,/druid/*
#??session????
spring.datasource.druid.web-stat-filter.session-stat-enable=true
#??sessionStatMaxCount?1000?
spring.datasource.druid.web-stat-filter.session-stat-max-count=1000
#spring.datasource.druid.web-stat-filter.principal-session-name=
#spring.datasource.druid.web-stat-filter.principal-cookie-name=
#spring.datasource.druid.web-stat-filter.profile-enable=
##### StatViewServlet?? #######
#?????????
spring.datasource.druid.stat-view-servlet.enabled=true
#?????????
spring.datasource.druid.stat-view-servlet.url-pattern=/druid/*
#?? Reset All ??
spring.datasource.druid.stat-view-servlet.reset-enable=false
#???????
spring.datasource.druid.stat-view-servlet.login-username=admin
#??????
spring.datasource.druid.stat-view-servlet.login-password=123
#??????allow?????????????????
spring.datasource.druid.stat-view-servlet.allow=127.0.0.1
#????deny???allow????deny???????allow??????????
spring.datasource.druid.stat-view-servlet.deny=
# mybatis ??
mybatis.mapper-locations=classpath:mapper/*.xml
mybatis.type-aliases-package=com.zzg.model
# dubbo ????
dubbo.application.name=provider
dubbo.registry.address=127.0.0.1:2181
dubbo.registry.protocol=zookeeper
dubbo.consumer.check=false
dubbo.comsumer.timeout=6000
# ????????
logging.level.com.zzg.mapper=debug
package com.zzg;
import com.alibaba.dubbo.config.spring.context.annotation.EnableDubbo;
import org.mybatis.spring.annotation.MapperScan;
import org.springframework.boot.SpringApplication;
import org.springframework.boot.autoconfigure.SpringBootApplication;
import org.springframework.context.annotation.ImportResource;
@SpringBootApplication
@MapperScan("com.zzg.mapper")
@EnableDubbo
public class ProviderApplication
public static void main(String[] args)
SpringApplication.run(ProviderApplication.class, args);
SmartUrban-Consumer 服务消费者
核心pom.xml 文件
<?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">
<parent>
<artifactId>SmartUrban</artifactId>
<groupId>org.example</groupId>
<version>1.0-SNAPSHOT</version>
</parent>
<modelVersion>4.0.0</modelVersion>
<artifactId>SmartUrban-Consumer</artifactId>
<properties>
<java.version>1.8</java.version>
<maven.compiler.source>8</maven.compiler.source>
<maven.compiler.target>8</maven.compiler.target>
</properties>
<dependencies>
<!--集成common 模块-->
<dependency>
<groupId>org.example</groupId>
<artifactId>SmartUrban-Common</artifactId>
<version>1.0-SNAPSHOT</version>
</dependency>
<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>
<exclusions>
<exclusion>
<groupId>org.junit.vintage</groupId>
<artifactId>junit-vintage-engine</artifactId>
</exclusion>
</exclusions>
</dependency>
<!-- dubbo依赖 -->
<dependency>
<groupId>com.alibaba.boot</groupId>
<artifactId>dubbo-spring-boot-starter</artifactId>
<version>0.2.0</version>
</dependency>
</dependencies>
</project>Controller 定义和程序入口Application.
package com.zzg.controller;
import com.alibaba.dubbo.config.annotation.Reference;
import com.zzg.model.User;
import com.zzg.service.UserService;
import org.springframework.web.bind.annotation.RequestMapping;
import org.springframework.web.bind.annotation.RestController;
import java.util.List;
@RestController
public class UserController
@Reference
private UserService userService;
@RequestMapping("/hello")
public String get()
List<User> list = userService.selectAll();
return "Hello Spring Boot!";
package com.zzg;
import com.alibaba.dubbo.config.spring.context.annotation.EnableDubbo;
import org.springframework.boot.SpringApplication;
import org.springframework.boot.autoconfigure.SpringBootApplication;
// 开启dubbo的自动配置
@EnableDubbo
@SpringBootApplication
public class ConsumerApplication
public static void main(String[] args)
SpringApplication.run(ConsumerApplication.class, args);
application.properties
server.prot=8082
server.servlet.context-path=/consumer
# dubbo ??
dubbo.application.name=consumer
dubbo.registry.address=127.0.0.1:2181
dubbo.registry.protocol=zookeeper
dubbo.registry.check=false
dubbo.consumer.check=false
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