SpringBoot+MybatisPlus+代码生成器整合示例
代码生成器整合示例
主要介绍了SpringBoot+MybatisPlus+代码生成器整合示例,文中通过示例代码介绍的非常详细,对大家的学习
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项目目录结构:
pom文件:
4.0.0
com.warrior
ETH
1.0-SNAPSHOT
org.springframework.boot
spring-boot-starter-parent
2.0.0.BUILD-SNAPSHOT
org.springframework.boot
spring-boot-starter-web
com.baomidou
mybatisplus-spring-boot-starter
Application
package com.warrior;
import org.mybatis.spring.annotation.MapperScan;
import org.springframework.boot.SpringApplication;
import org.springframework.boot.autoconfigure.EnableAutoConfiguration;
import org.springframework.boot.autoconfigure.SpringBootApplication;
import org.springframework.stereotype.Controller;
import org.springframework.web.bind.annotation.RequestMapping;
import org.springframework.web.bind.annotation.ResponseBody;
@SpringBootApplication
@MapperScan("com.warrior.mapper") //配置mapper扫描
public class Application {
public static void main(String[] args) throws Exception {
SpringApplication.run(Application.class, args);
}
}
application.properties
#默认启用开发环境配置
spring.profiles.active=dev
#启用生产环境配置
#spring.profiles.active=pro
application-dev.properties
server.port=8080
spring.datasource.type=com.alibaba.druid.pool.DruidDataSource
spring.datasource.url=jdbc:mysql://localhost:3306/eth
spring.datasource.username=root
spring.datasource.password=123456
spring.datasource.driver-class-name=com.mysql.jdbc.Driver
spring.datasource.max-idle=10
spring.datasource.max-wait=10000
spring.datasource.min-idle=5
spring.datasource.initial-size=5
mybatis-plus.mapper-locations=classpath:/mapper/*Mapper.xml
mybatis-plus.typeAliasesPackage=com.cn.restyle.entity
配置文件:
1).
package com.warrior.config;
import javax.sql.DataSource;
import org.springframework.boot.context.properties.ConfigurationProperties;
import org.springframework.context.annotation.Bean;
import org.springframework.context.annotation.Configuration;
import org.springframework.jdbc.datasource.DataSourceTransactionManager;
import com.alibaba.druid.pool.DruidDataSource;
/**
* 数据源配置
*/
@Configuration
public class DataSourceConfig {
@Bean(name="dataSource")
@ConfigurationProperties(prefix="spring.datasource")
public DataSource dataSource(){
return new DruidDataSource();
}
// 配置事物管理器
@Bean(name="transactionManager")
public DataSourceTransactionManager transactionManager(){
return new DataSourceTransactionManager(dataSource());
}
}
2). MybatisPlusConfig.java:
package com.warrior.config;
import org.mybatis.spring.annotation.MapperScan;
import org.springframework.context.annotation.Bean;
import org.springframework.context.annotation.Configuration;
import com.baomidou.mybatisplus.plugins.PaginationInterceptor;
@Configuration
//扫描dao或者是Mapper接口
@MapperScan("com.warrior.mapper*")
public class MybatisPlusConfig {
/**
* mybatis-plus 分页插件
*/
@Bean
public PaginationInterceptor paginationInterceptor(){
PaginationInterceptor page = new PaginationInterceptor();
page.setDialectType("mysql");
return page;
}
}
生成代码:
1).mysql数据库建表
2).代码生成器MpGenenator.java
import java.util.ArrayList;
import java.util.HashMap;
import java.util.List;
import java.util.Map;
import com.baomidou.mybatisplus.generator.AutoGenerator;
import com.baomidou.mybatisplus.generator.InjectionConfig;
import com.baomidou.mybatisplus.generator.config.*;
import com.baomidou.mybatisplus.generator.config.converts.MySqlTypeConvert;
import com.baomidou.mybatisplus.generator.config.po.TableInfo;
import com.baomidou.mybatisplus.generator.config.rules.DbColumnType;
import com.baomidou.mybatisplus.generator.config.rules.DbType;
import com.baomidou.mybatisplus.generator.config.rules.NamingStrategy;
/**
*
* 代码生成器演示
*
*/
public class MpGenerator {
final static String dirPath = "D://";
/**
*
* MySQL 生成演示
*
*/
public static void main(String[] args) {
AutoGenerator mpg = new AutoGenerator();
// 选择 freemarker 引擎,默认 Veloctiy
//mpg.setTemplateEngine(new FreemarkerTemplateEngine());
// 全局配置
GlobalConfig gc = new GlobalConfig();
gc.setOutputDir(dirPath);
gc.setAuthor("lqh");
gc.setFileOverride(true); //是否覆盖
gc.setActiveRecord(true);// 不需要ActiveRecord特性的请改为false
gc.setEnableCache(false);// XML 二级缓存
gc.setBaseResultMap(true);// XML ResultMap
gc.setBaseColumnList(true);// XML columList
// 自定义文件命名,注意 %s 会自动填充表实体属性!
// gc.setMapperName("%sDao");
// gc.setXmlName("%sMapper");
// gc.setServiceName("MP%sService");
// gc.setServiceImplName("%sServiceDiy");
// gc.setControllerName("%sAction");
mpg.setGlobalConfig(gc);
// 数据源配置
DataSourceConfig dsc = new DataSourceConfig();
dsc.setDbType(DbType.MYSQL);
dsc.setTypeConvert(new MySqlTypeConvert(){
// 自定义数据库表字段类型转换【可选】
@Override
public DbColumnType processTypeConvert(String fieldType) {
System.out.println("转换类型:" + fieldType);
// 注意!!processTypeConvert 存在默认类型转换,如果不是你要的效果请自定义返回、非如下直接返回。
return super.processTypeConvert(fieldType);
}
});
dsc.setDriverName("com.mysql.jdbc.Driver");
dsc.setUsername("root");
dsc.setPassword("123456");
dsc.setUrl("jdbc:mysql://127.0.0.1:3306/eth?characterEncoding=utf8");
mpg.setDataSource(dsc);
// 策略配置
StrategyConfig strategy = new StrategyConfig();
// strategy.setCapitalMode(true);// 全局大写命名 ORACLE 注意
strategy.setTablePrefix(new String[] { "tb_", "tsys_" });// 此处可以修改为您的表前缀
strategy.setNaming(NamingStrategy.underline_to_camel);// 表名生成策略
// strategy.setInclude(new String[] { "user" }); // 需要生成的表
// strategy.setExclude(new String[]{"test"}); // 排除生成的表
// 自定义实体父类
// strategy.setSuperEntityClass("com.baomidou.demo.TestEntity");
// 自定义实体,公共字段
// strategy.setSuperEntityColumns(new String[] { "test_id", "age" });
// 自定义 mapper 父类
// strategy.setSuperMapperClass("com.baomidou.demo.TestMapper");
// 自定义 service 父类
// strategy.setSuperServiceClass("com.baomidou.demo.TestService");
// 自定义 service 实现类父类
// strategy.setSuperServiceImplClass("com.baomidou.demo.TestServiceImpl");
// 自定义 controller 父类
// strategy.setSuperControllerClass("com.baomidou.demo.TestController");
// 【实体】是否生成字段常量(默认 false)
// public static final String ID = "test_id";
// strategy.setEntityColumnConstant(true);
// 【实体】是否为构建者模型(默认 false)
// public User setName(String name) {this.name = name; return this;}
strategy.setEntityBuilderModel(true);
mpg.setStrategy(strategy);
// 包配置
PackageConfig pc = new PackageConfig();
pc.setParent("com");
pc.setModuleName("warrior");
pc.setController("controler");
pc.setEntity("entity");
pc.setMapper("mapper");
pc.setService("service");
pc.setServiceImpl("serviceImpl");
pc.setXml("mapperXml");
mpg.setPackageInfo(pc);
// 注入自定义配置,可以在 VM 中使用 cfg.abc 【可无】
InjectionConfig cfg = new InjectionConfig() {
@Override
public void initMap() {
Map map = new HashMap();
map.put("abc", this.getConfig().getGlobalConfig().getAuthor() + "-mp");
this.setMap(map);
}
};
// 自定义 xxList.jsp 生成
/**
*
*
*
*
* @author lqh
* @since 2018-05-25
*/
@TableName("tb_student")
public class Student extends Model
{
private static final long serialVersionUID = 1L;
@TableId(value="id", type= IdType.AUTO)
private Integer id;
@TableField("stu_name")
private String stuName;
@TableField("stu_number")
private String stuNumber;
private Integer age;
public Integer getId() {
return id;
}
public Student setId(Integer id) {
this.id = id;
return this;
}
public String getStuName() {
return stuName;
}
public Student setStuName(String stuName) {
this.stuName = stuName;
return this;
}
public String getStuNumber() {
return stuNumber;
}
public Student setStuNumber(String stuNumber) {
this.stuNumber = stuNumber;
return this;
}
public Integer getAge() {
return age;
}
public Student setAge(Integer age) {
this.age = age;
return this;
}
@Override
protected Serializable pkVal() {
return this.id;
}
}
.mapper-->StudentMapper.java
package com.warrior.mapper;
import com.warrior.entity.Student;
import com.baomidou.mybatisplus.mapper.BaseMapper;
/**
*
* Mapper 接口
*
*
* @author lqh
* @since 2018-05-25
*/
public interface StudentMapper extends BaseMapper
{
}
mapperXml-->StudentMapper.xml(这个文件要放到src/main/resources/mapper)
id, stu_name AS stuName, stu_number AS stuNumber, age
.service-->IStudentService.java
package com.warrior.service;
import com.warrior.entity.Student;
import com.baomidou.mybatisplus.service.IService;
/**
*
* 服务类
*
*
* @author lqh
* @since 2018-05-25
*/
public interface IStudentService extends IService {
}
.serviceImpl-->StudentServiceImpl.java
package com.warrior.serviceImpl;
import com.warrior.entity.Student;
import com.warrior.mapper.StudentMapper;
import com.warrior.service.IStudentService;
import com.baomidou.mybatisplus.service.impl.ServiceImpl;
import org.springframework.stereotype.Service;
/**
*
* 服务实现类
*
*
* @author lqh
* @since 2018-05-25
*/
@Service
public class StudentServiceImpl extends ServiceImpl implements IStudentService {
}
.controler-->StudentController.java
package com.warrior.controler;
import org.springframework.stereotype.Controller;
import org.springframework.web.bind.annotation.RequestMapping;
/**
*
* 前端控制器
*
*
* @author lqh
* @since 2018-05-25