<?xml version="1.0" encoding="UTF-8"?>
<!DOCTYPE mapper PUBLIC "-//ibatis.apache.org//DTD Mapper 3.0//EN"
"http://ibatis.apache.org/dtd/ibatis-3-mapper.dtd">
<mapper namespace="org.tedu.cloudnote.dao.UserDao">
<!-- 增:插入语句参数类型, id, parameterType是实体类-->
<insert id="save"
parameterType="org.tedu.cloudnote.entity.User">
insert into cn_user (cn_user_id,cn_user_name, cn_user_password,cn_user_token, cn_user_nick)
values (#{cn_user_id},#{cn_user_name}, #{cn_user_password},#{cn_user_token}, #{cn_user_nick})
</insert>
<!--删: 只有id-->
<delete id="dynamicDeleteNotes">
delete from cn_note
where cn_note_id in
<foreach collection="array" item="id"
separator="," open="(" close=")">
#{id}
</foreach>
</delete>
<!--改 :-->
<update id="updateStatus" parameterType="map">
update cn_note
set cn_note_status_id=#{statusId}
where cn_note_id=#{noteId}
</update>
<update id="dynamicUpdateNote"
parameterType="org.tedu.cloudnote.entity.Note">
update cn_note
<set>
<if test="cn_notebook_id!=null">
cn_notebook_id=#{cn_notebook_id},
</if>
<if test="cn_note_status_id!=null">
cn_note_status_id=#{cn_note_status_id},
</if>
</set>
where cn_note_id=#{cn_note_id}
</update>
<!-- 查:select语句参数类型 parameterType 是基本数据类型 ,resultType是实体类-->
<select id="findByName"
parameterType="string"
resultType="org.tedu.cloudnote.entity.User">
select * from cn_user where cn_user_name=#{name}
</select>
例句:2
<select id="dynamicFindNotes"
parameterType="map"
resultType="org.tedu.cloudnote.entity.Note">
select * from cn_note
<where>
<if test="title!=null">
cn_note_title like #{title}
</if>
<if test="status!=null">
and cn_note_status_id=#{status}
</if>
<if test="beginDate!=null">
and cn_note_create_time>#{beginDate}
</if>
<choose>
<when test="endDate!=null">
and cn_note_create_time<#{endDate}
</when>
<otherwise>
<if test="beginDate!=null">
and cn_note_create_time<#{beginDate}+3*24*3600*1000
</if>
</otherwise>
</choose>
<!--
<if test="endDate!=null">
and cn_note_create_time<#{endDate}
</if>
-->
</where>
</select>
</mapper>
==========dao :public List<Note> dynamicFindNotes(Map params);
=========service
public NoteResult loadSearchNotes( SearchNoteParams params) {
Map<String,Object> mapParams =
new HashMap<String, Object>();
if(!"".equals(params.getEndDate())
&& params.getEndDate() != null){
Date end = Date.valueOf(
params.getEndDate());
mapParams.put("endDate", end.getTime());
}
//执行查询
List<Note> list =
dynamicDao.dynamicFindNotes(mapParams);
NoteResult result = new NoteResult();
result.setStatus(0);
result.setMsg("搜索成功");
result.setData(list);
return result;
}
}
=======================批量删除,只留前十条数据。
delete from THIRD_PARTY_MERCHANT a where a.rowid in
(
select rowid from THIRD_PARTY_MERCHANT
minus
select rowid from THIRD_PARTY_MERCHANT where rownum <10
)
==============================================
<?xml version="1.0" encoding="UTF-8" ?> <!DOCTYPE mapper PUBLIC "-//mybatis.org//DTD Mapper 3.0//EN" "http://mybatis.org/dtd/mybatis-3-mapper.dtd" > <mapper namespace="com.eaju.dao.ReceiveMerchantOrderDao"> <!-- 美标电视购物订单接入 --> <insert id="insertMerchantOrderDao" parameterType="com.eaju.po.ReceiveMerchantOrderBean"> INSERT INTO THIRD_PARTY_MERCHANT( id, business_key, merchant_type, text_content, operate_status, create_time, creator, modify_time, modifier, yn, order_type ) VALUES( THIRD_PARTY_MERCHANT_SEQUENCE.nextval, #{businessKey}, #{merchantType}, #{textContent}, #{operateStatus}, sysdate, #{creator}, sysdate, #{modifier}, 0, #{orderType} ) </insert>