Array
(
    [where] => Array
        (
            [tradetype] => 出售
            [topic_status] => 2
        )

    [query] => {"tradetype":"\u51fa\u552e","topic_status":"2"}
    [currpage] => 1
    [pagesize] => 20
    [orderby] => updatetime desc
    [sql] => select * from bj_houseinfo_heap_active where  tradetype=1 and topic_status='2' order by updatetime desc limit 0,20
)