HibernateCRUD基础框架(1)-实体类 - JAVA

ring() { StrBuilder builder = new StrBuilder(); if (ListUtils.notEmpty(orderList)) { String orders = ListUtils.list2String(orderList); builder.append(ORDER_BY_WITH_BLANK).append(orders); } return builder.toString(); } }

package cn.fansunion.hibernate.sql.entity;

import java.util.ArrayList;
import java.util.List;

import cn.fansunion.hibernate.sql.ConstantBase;
import cn.fansunion.hibernate.util.EmptyUtils;
import cn.fansunion.hibernate.util.ListUtils;

/**
 * 分组语句,如"group by id,name"。
 *
 * @author LeiWen@FansUnion.cn
 */
public class GroupBy extends ConstantBase {

    /**
     * 分组的字段名称构成的集合，暂时不支持having子句
     */
    private List
  
    group;

    public GroupBy() {
        group = new ArrayList
   
    (); } public List
    
      getGroup() { return group; } /** * 转化为字符串 */ public String toString() { if (EmptyUtils.notEmpty(group)) { String groupStr = ListUtils.list2String(group); return GROUP_BY_WITH_BLANK + groupStr; } return EMPTY; } public void addGroup(String g) { this.group.add(g); } }

原文链接：http://blog.fansunion.cn/articles/3616(小雷博客-blog.fansunion.cn)

HibernateCRUD基础框架(1)-实体类(三)