//TMD 写几个demo 还有大站採集

<a target=_blank href="http://hao947.com/" target="_blank">好947</a>

映射配置文件

 <!-- type:映射实体类的数据类型 id：resultMap的唯一标识 --><RESULTMAP id=BaseResultMap type="person"><pre name="code" class="java"><a target=_blank href="http://hao947.com/" target="_blank">好947</a>

<!-- column:库表的字段名 property:实体类里的属性名 --> <ID property="personId" column="person_id" /> <RESULT property="name" column="name" /> <RESULT property="gender" column="gender" /> <RESULT property="personAddr" column="person_addr" /> <RESULT property="birthday" column="birthday" /> </RESULTMAP>

映射配置查询语句

<!-- 当查询值得时候resultMap指定key与value。

  map.put("name","项目经理")   map.put("gender" 1)<pre name="code" class="java"><a target=_blank href="http://hao947.com/" target="_blank">好947</a>

--> <SELECT id=selectPersonByParams resultmap="BaseResultMap" parametertype="java.util.Map">   select * from person p where p.name = #{name} and p.gender =#{gender}  </SELECT>

映射管理库表文件

 <!-- 集中管理库表的映射文件 --><pre name="code" class="java"><a target=_blank href="http://hao947.com/" target="_blank">好947</a>

<MAPPERS>  <MAPPER resource="com/hao947/sql/mapper/PersonMapper.xml" /> </MAPPERS>

測试文件

@Testpublic void selectPersonByParams() {// 创建一个sqlSession   <a target=_blank href="http://hao947.com" target="_blank">好947</a>    SqlSession session = sqlSessionFactory.openSession();try {Map<STRING, object=""> map = new HashMap<STRING, object="">();map.put("name", "项目经理");map.put("gender", 0);// 第一个參数查找sql，规则namespace+"."+sql的id，第二个參数是sql要接收的參数List<PERSON> list = session.selectList("com.hao947.sql.mapper.PersonMapper.selectPersonByParams",map);for (Person p : list) {System.out.println(p);}} finally {session.close();}}

&nbsp;}