package cn.xiaojf;

import cn.xiaojf.today.data.rdb.repository.RdbCommonRepositoryImpl;

import org.springframework.boot.SpringApplication;

import org.springframework.boot.autoconfigure.SpringBootApplication;

import org.springframework.context.annotation.Bean;

import org.springframework.data.jpa.repository.config.EnableJpaRepositories;

import org.springframework.orm.jpa.vendor.HibernateJpaSessionFactoryBean;

@SpringBootApplication

@EnableJpaRepositories(repositoryBaseClass = RdbCommonRepositoryImpl.class)

public class Application {

    public static void main(String[] args) {

        SpringApplication.run(Application.class, args);

    }

}

package cn.xiaojf.today.data.rdb.repository;

import cn.xiaojf.today.base.model.PageInfo;

import org.springframework.data.repository.CrudRepository;

import org.springframework.data.repository.NoRepositoryBean;

import org.springframework.data.repository.PagingAndSortingRepository;

import java.io.Serializable;

import java.util.Collection;

import java.util.List;

import java.util.Map;

/**

 * 自定义 repository 接口

 * @author xiaojf 2016/12/8 19:31.

 */

@NoRepositoryBean

public interface RdbCommonRepository<T, ID extends Serializable> extends CrudRepository<T, ID> {

}

package cn.xiaojf.today.data.rdb.repository;

import cn.xiaojf.today.base.exception.BusinessException;

import cn.xiaojf.today.base.model.PageInfo;

import cn.xiaojf.today.base.util.BeanToMapUtil;

import cn.xiaojf.today.base.util.CamelCaseUtil;

import cn.xiaojf.today.base.util.SpringBeanUtil;

import cn.xiaojf.today.data.rdb.util.EntityUtil;

import cn.xiaojf.today.data.rdb.util.QueryDynamicLoader;

import org.apache.commons.beanutils.BeanUtils;

import org.apache.commons.lang3.StringUtils;

import org.apache.velocity.VelocityContext;

import org.apache.velocity.app.Velocity;

import org.hibernate.SQLQuery;

import org.hibernate.Session;

import org.hibernate.SessionFactory;

import org.hibernate.transform.Transformers;

import org.hibernate.validator.constraints.NotEmpty;

import org.springframework.data.jpa.repository.support.JpaEntityInformation;

import org.springframework.data.jpa.repository.support.SimpleJpaRepository;

import org.springframework.util.Assert;

import javax.persistence.EntityManager;

import javax.persistence.Query;

import javax.validation.constraints.NotNull;

import java.io.Serializable;

import java.io.StringWriter;

import java.math.BigInteger;

import java.util.*;

/**

 * 自定义关系数据库repository

 * @author xiaojf 2016/12/8 19:35

 */

public class RdbCommonRepositoryImpl<T, ID extends Serializable> extends SimpleJpaRepository<T,ID> implements RdbCommonRepository<T,ID> {

    private final EntityManager entityManager;

    private final JpaEntityInformation entityInformation;

    private final Class<T> clazz;

    public RdbCommonRepositoryImpl(JpaEntityInformation<T, ?> entityInformation, EntityManager entityManager) {

        super(entityInformation, entityManager);

        this.entityManager = entityManager;

        this.entityInformation = entityInformation;

        this.clazz = entityInformation.getJavaType();

    }

}

package cn.xiaojf.today.sys.repository;

import cn.xiaojf.today.data.rdb.repository.RdbCommonRepository;

import cn.xiaojf.today.sys.entity.SysUser;

/**

 * 用户 repository

 * @author xiaojf 2016/12/8 19:46.

 */

public interface SysUserRepository extends RdbCommonRepository<SysUser,String> {

    SysUser findFirstByUsername(String username);

}