...l://数据库用户名:数据库密码@数据库地址/数据库名 --sql="select t.tid as tid, t.fid as fid, t.author as author, t.authorid as authorid, t.postdate as postdate, t.subject as subject, tm.content as content from pw_threads t left join pw_tmsgs tm on t.tid = tm.tid where t.ifcheck = 1 ...