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TP6 怎么用A表取b表的c_id取出c表中的name。


$data['list'] = Db::name("A")
->alias('a')
->leftJoin(['B' => 'b'], 'a.bid = b.id')

的话,可以取出b表的值,我现在取出b表的cid该怎么再去取c表中的值。


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