mybatis中IN查询写法
这个问题昨天困扰了我2个小时，终于在同事的开导下，这么写出来了，其实这种方法以前也写过，但是忘记了，现在发表到博客上面备忘。 www.2cto.com
/**
* 获取性别分析指标
*
* @author shangql
* @date 2013-1-17
* @param date
* @return
* @return List>
*/
@Override
public List> getGender(String countValue, String date, Integer[] brandIds) throws Exception {
Map inParamMap = new HashMap();
inParamMap.put("countValue", countValue);
inParamMap.put("date", date);
inParamMap.put("brandIdsList", parseToParam(brandIds));
inParamMap.put("size", EmptyUtil.isEmpty(brandIds) 0:brandIds.length);
List> resultList = dao.queryForList("ConsumerInfoServiceImpl/getGender", inParamMap);
return nonEmpty(resultList);
}
/**
* 判断非空数据
*
* @author shangql
* @date 2013-1-23
* @param srcList
* @return
* @return List>
*/
private List> nonEmpty(List> srcList) {
List> resultList = new ArrayList>();
Map itemMap = null;
if (EmptyUtil.isEmpty(srcList)) {
itemMap = new HashMap();
itemMap.put("name", "暂无数据");
itemMap.put("data1", 0);
resultList.add(itemMap);
return resultList;
} else {
return srcList;
}
}
/**
* 装配条件参数
*
* @author shangql
* @date 2013-1-24
* @param brandNames
* @return
* @return String
*/
private List> parseToParam(Integer[] brandIds) throws Exception{
List> resultList = new ArrayList>();
Map itemMap = null;
if(!EmptyUtil.isEmpty(brandIds)){
for (Integer i : brandIds) {
itemMap = new HashMap();
itemMap.put("brandId", i);
resultList.add(itemMap);
}
}
return resultList;
}
mybaits SQl xml：
Xml代码
SELECT dimension_brand.dimbrandid AS brandid,
dimension_brand.brandname AS name,
COALESCE(
(SELECT
COUNT(membersex) AS sexcount
FROM member_info
INNER JOIN sale_info
ON member_info.membercode = sale_info.membercode
AND member_info.licensecode = sale_info.licensecode
INNER JOIN dimension_goods
ON sale_info.goodsbarcode = dimension_goods.goodsbarcode
WHERE membersex = #{countValue}
AND dimension_brand.dimbrandid = brandId
GROUP BY dimension_goods.brandid
ORDER BY dimension_goods.brandid ASC)
,0) AS data1
FROM sale_info
INNER JOIN dimension_goods
ON sale_info.goodsbarcode = dimension_goods.goodsbarcode
INNER JOIN dimension_brand
ON dimension_goods.brandid = dimension_brand.dimbrandid
WHERE checkflag = '0'
AND membercode != '-1'
AND to_char(saletime,'yyyyMM') = #{date}
AND sale_info.goodsbarcode IN(SELECT goodsbarcode FROM goods_info)
AND dimension_brand.dimbrandid IN
#{item.brandId}