$sql="select *from think_kaoqin WHERE(1=1)"; if(!empty($uid)) { $sql .=" and uid= ".$uid; } if(!empty($time1) && empty($time2)) { $sql .=" and riqi >= '".$time1."'"; } if (!empty($time2) &&empty($time1)) { $sql .=" and riqi <= '".$time2."'"; } if (!empty($time1) && !empty($time2)) { $sql .=" and riqi >= '".$time1."' and riqi <='".$time2."'"; } $this->info=M('kaoqin')->query($sql);
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