持久层:<select id="get" resultType="People"> select * from #{identity} where id= #{id} </select>People get(@Param("identity") String identity,@Param("id") String id);service层:People get(String identity,String id);@Override public People get(String identity,String id) { return peopleMapper.get(identity,id); }controller层:p2=peopleService.get(p.getIdentity(),p.getId());报错信息:
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