mybatis_Criteria语句
TranscationMsgDoExample transcationMsgDoExample = new TranscationMsgDoExample();
transcationMsgDoExample.createCriteria().
.andStatusIn(Arrays.asList(1,2)) //where status in('xxx','yyy')
.andAppidEqualTo(appId).andAppkeyEqualTo(appKey); //and app_id=appId and appkey=appKey
transcationMsgDoMapper.selectByExample(transcationMsgDoExample);