...', 'key2' ... ]; // 通过空格将多个查询条件连接 $condition = ['AND', 'key1', 'key2' ... ]; // 通过 AND 连接，转换为：key1 AND key2 $condition = ['OR', 'key1', 'key2' ... ]; // 通过 OR 连接 $condition = ['XOR', 'key1', 'key2' ... ]; // 通过 XOR 连接 $condition = ['NOT', ...
