zTree实现地市县三级级联DAO接口实现

/**
* @Title:ProvinceDaoImpl.java
* @Package:com.gwtjs.dao.impl
* @Description:省份地市县级三级级联DAO接口实现
* @author:Youhaidong(游海东)
* @date:2014-5-10 下午10:40:35
* @version V1.0
*/
package com.gwtjs.dao.impl;

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

import org.apache.commons.lang.StringUtils;
import org.hibernate.SQLQuery;
import org.springframework.stereotype.Repository;

import com.gwtjs.dao.ProvinceDao;
import com.gwtjs.model.Province;

/**
* 类功能说明
* 类修改者 修改日期
* 修改说明
* <p>Title:ProvinceDaoImpl.java</p>
* <p>Description:游海东个人开发</p>
* <p>Copyright:Copyright(c)2013</p>
* @author:游海东
* @date:2014-5-10 下午10:40:35
* @version V1.0
*/
@Repository(value = "provinceDao")
public class ProvinceDaoImpl extends GenericDaoImpl<Province, Long> implements ProvinceDao
{
/**
*
* @Title:findArea
* @Description:
* @param:@param provinceCode 省份编码
* @param:@param cityCode     地市编码
* @param:@param countyCode   县级编码
* @param:@return
* @return:List<Province>
* @throws
*/
@SuppressWarnings("unchecked")
@Override
public List<Province> findArea(String provinceCode, String cityCode,String countyCode)
{
List<Province> list = new ArrayList<Province>();
StringBuilder sb = new StringBuilder();
sb.append("SELECT t.`province_name`,");
sb.append("t.`city_name`,");
sb.append("t.`county_name` ");
sb.append("FROM t_area_tab t ");
sb.append("WHERE 1=1 ");
//判断省份编码不为空
if(StringUtils.isNotBlank(provinceCode))
{
sb.append("AND t.`province_code` = '").append(provinceCode).append("' ");
}
//判断地市编码不为空
if(StringUtils.isNotBlank(cityCode))
{
sb.append("AND t.`city_code` = '").append(cityCode).append("' ");
}
//判断县级编码不为空
if(StringUtils.isNotBlank(countyCode))
{
sb.append("AND t.`county_code` = '").append(countyCode).append("' ");
}
SQLQuery q = getSession().createSQLQuery(sb.toString());
System.out.println("三级级联SQL语句：" + sb.toString());
List<Object[]> items = q.list();
if(null != items && items.size() > 0)
{
Province province = null;
for(Object[] obj:items)
{
province = new Province();
/**
* 省份名称
*/
province.setProvinceName(null == obj[0]?"":obj[0].toString());
/**
* 地市名称
*/
province.setProvinceName(null == obj[0]?"":obj[0].toString());
/**
* 县级名称
*/
province.setProvinceName(null == obj[0]?"":obj[0].toString());

list.add(province);
}
}
return list;
}
}