<div class="codebody" id="code53207"> <?PHP require_once 'OperatorDB.PHP'; class OperatorVotingDB { private $odb; public function construct() { $this->odb = new OperatorDB(); } public function __destruct() { $this->odb = null; } / 清空Voting数据中的所有表
调用数据库操作类，执行clear数据库的操作 / public function clearTables() { $sqls = array("TruncATE ip_Votes;","TruncATE count_voting;"); $this->odb->exec($sqls[0]); $this->odb->exec($sqls[1]); } / 重置count_voting表中的CountValues字段为0
*/ public function resetCountValues() { $sql = "UPDATE count_voting SET CountVotes = 0;"; $this->odb->exec($sql); } / 投票 将信息写入ip_Votes表 @param type $ip @param type $loc @param type $time @param type $name */ public function Vote($ip,$loc,$name) { $sql = "INSERT INTO ip_Votes VALUES (NULL,'$ip','$loc',Now(),'$name')"; $subsql = "SELECT MAX(to_days(VoteTime)) FROM ip_Votes WHERE IP='$ip'"; $stm = $this->odb->query($subsql); if (count($row=$stm->fetchAll())==1) { $Now = date("Y-m-d H:i:s"); $subsql = "SELECT to_days('$Now');"; $stm = $this->odb->query($subsql)->fetch(); $time = $stm[0];//使用MysqL计算出的today时间 // echo $time." "; // echo $row[0][0]; if ($time-$row[0][0]<1)//表中最大的时间和现在的时间$time比较 { echo "投票失败，相同ip需要隔一天才能投票"; return; } } // echo $sql; echo "投票成功!"; $this->odb->exec($sql); } / 添加SelectName字段的行
@param string $name @param string $label @param int $count / public function addSelectName($name,$label,$count=0) { $sql = "INSERT INTO count_voting VALUES ('$name','$label',$count);"; $this->odb->exec($sql); } / 获取总投票情况,按票数排序的结果
/ public function getVotesSortByCount($n=-1) { $sql = "SELECT FROM count_voting ORDER BY CountVotes DESC LIMIT 0,$n;"; if (-1 == $n) { $sql = "SELECT * FROM count_voting ORDER BY CountVotes DESC;"; } // echo $sql; return $this->odb->query($sql); } /* 获取投票情况,按票数排序并按标签分组的结果 按CountVotes字段排序并按LabelName字段分组，返回count_voting表 / public function getVotesGroupByLabel() { $sql = "SELECT FROM count_voting ORDER BY LabelName DESC;"; // echo $sql; return $this->odb->query($sql); } } ?>
