SELECT tp_vote_item.*,tp_zpclass.zpclassname from tp_vote_item LEFT JOIN tp_zpclass on tp_vote_item.zpclassid=tp_zpclass.id where tp_vote_item.id=6
利⽤tp3.2 的语法是:
$tiaojian['tp_vote_item.id'] = $zid;
$res= M('Vote_item')->join(' LEFT JOIN tp_zpclass on tp_vote_item.zpclassid=tp_zpclass.id')->where($tiaojian)->field('tp_vote_item.*,tp_zpclass.zpclassname')->find();
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