Java实现自动建表_mybatis自动建表的实现方法

1.添加actable依赖

com.gitee.sunchenbin.mybatis.actable

mybatis-enhance-actable

1.1.1.release

2.配置(在此需要注意配置的路径部分需要改成自己项目路径)

com.gitee.sunchenbin.mybatis.actable

mybatis-enhance-actable

1.1.1.release

3.添加配置类

package com.jpxx.clsh.autoconfig;

import com.alibaba.druid.pool.druiddatasource;

import org.mybatis.spring.sqlsessionfactorybean;

import org.springframework.beans.factory.annotation.value;

import org.springframework.beans.factory.config.propertiesfactorybean;

import org.springframework.context.annotation.bean;

import org.springframework.context.annotation.componentscan;

import org.springframework.context.annotation.configuration;

import org.springframework.core.io.support.pathmatchingresourcepatternresolver;

import org.springframework.jdbc.datasource.datasourcetransactionmanager;

/**

* @classname testconfig

* @description

* @author administrator

* @date 2020/11/2 0002 11:30

* @version 1.0

*/

@configuration

@componentscan(basepackages = {"com.gitee.sunchenbin.mybatis.actable.manager.*"})

public class datasourceconfig{

//此处的路径按照yml或properties文件路径

@value("${jpxx.datasource.druid.driverclassname}")

private string driver;

@value("${jpxx.datasource.druid.url}")

private string url;

@value("${jpxx.datasource.druid.username}")

private string username;

@value("${jpxx.datasource.druid.password}")

private string password;

@bean

public propertiesfactorybean configproperties() throws exception{

propertiesfactorybean propertiesfactorybean = new propertiesfactorybean();

pathmatchingresourcepatternresolver resolver = new pathmatchingresourcepatternresolver();

propertiesfactorybean.setlocations(resolver.getresources("classpath*:application.yml"));

return propertiesfactorybean;

}

@bean

public druiddatasource datasource() {

druiddatasource datasource = new druiddatasource();

datasource.setdriverclassname(driver);

datasource.seturl(url);

datasource.setusername(username);

datasource.setpassword(password);

datasource.setmaxactive(30);

datasource.setinitialsize(10);

datasource.setvalidationquery("select 1");

datasource.settestonborrow(true);

return datasource;

}

@bean

public datasourcetransactionmanager datasourcetransactionmanager() {

datasourcetransactionmanager datasourcetransactionmanager = new datasourcetransactionmanager();

datasourcetransactionmanager.setdatasource(datasource());

return datasourcetransactionmanager;

}

@bean

public sqlsessionfactorybean sqlsessionfactory() throws exception{

sqlsessionfactorybean sqlsessionfactorybean = new sqlsessionfactorybean();

sqlsessionfactorybean.setdatasource(datasource());

pathmatchingresourcepatternresolver resolver = new pathmatchingresourcepatternresolver();

sqlsessionfactorybean.setmapperlocations(resolver.getresources("classpath*:com/gitee/sunchenbin/mybatis/actable/mapping/*/*.xml"));

sqlsessionfactorybean.settypealiasespackage("com.jpxx.clsh.entity.*");

return sqlsessionfactorybean;

}

}

package com.jpxx.clsh.autoconfig;

/**

* @classname mybatismapperscannerconfig

* @description

* @author administrator

* @date 2020/11/2 0002 10:15

* @version 1.0

*/

import org.mybatis.spring.mapper.mapperscannerconfigurer;

import org.springframework.boot.autoconfigure.autoconfigureafter;

import org.springframework.context.annotation.bean;

import org.springframework.context.annotation.configuration;

@configuration

@autoconfigureafter(datasourceconfig.class)

public class mybatismapperscannerconfig {

@bean

public mapperscannerconfigurer mapperscannerconfigurer() throws exception{

mapperscannerconfigurer mapperscannerconfigurer = new mapperscannerconfigurer();

mapperscannerconfigurer.setbasepackage("com.jpxx.clsh.dao.*;com.gitee.sunchenbin.mybatis.actable.dao.*");

mapperscannerconfigurer.setsqlsessionfactorybeanname("sqlsessionfactory");

return mapperscannerconfigurer;

}

}

4.实体类

package com.jpxx.clsh.entity;

import com.gitee.sunchenbin.mybatis.actable.annotation.column;

import com.gitee.sunchenbin.mybatis.actable.annotation.table;

import com.gitee.sunchenbin.mybatis.actable.constants.mysqltypeconstant;

import lombok.data;

/**

* @classname test

* @description

* @author administrator

* @date 2020/10/30 0030 16:48

* @version 1.0

*/

@data

@table(name = "aaaaaaaaaaaaaa")

public class test {

@column(name = "role_id", type = mysqltypeconstant.int, isnull = false,iskey = true, isautoincrement = true, comment = "自增id")

private long id;

@column(name = "name", type = mysqltypeconstant.varchar, isnull = false, length = 20, comment = "角色名字")

private string name;

@column(name = "name_zh", type = mysqltypeconstant.varchar, isnull = true, length = 20, comment = "角色的中文名字")

private string name_zh;

}

运行日志

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