0
我有一个if/else以下的代码块,根据具体情况应该调用具有特定参数的函数。该函数更新MySQL数据库中的特定值。但是,数据库值没有被更新。我究竟做错了什么?MySQL查询不更新数据库中的值在PHP中
以下是我的代码:
process.php
$success = false;
$homeScore = $_POST['home'];
$awayScore = $_POST['away'];
$homeTeamName = $_POST['homeTeam'];
$awayTeamName = $_POST['awayTeam'];
try {
$win = 0;
$loss = 0;
// HOME TEAM
if ($homeScore > $awayScore)
{
$win = 1; $loss = 0;
updateStandings($db7, $homeTeamName, $win, $loss);
$win = 0; $loss = 1;
updateStandings($db7, $awayTeamName, $win, $loss);
}
// AWAY TEAM
elseif ($awayScore > $homeScore)
{
$win = 1; $loss = 0;
updateStandings($db7, $awayTeamName, $win, $loss);
$win = 0; $loss = 1;
updateStandings($db7, $homeTeamName, $win, $loss);
}
$success = $_SERVER['HTTP_REFERER'];
}
catch (Exception $e)
{
$success="/error";
}
header("Location: " . $success);
function updateScore($db, $gameID, $home, $away)
{
$db -> updateScoreForGame($gameID, $home, $away);
}
function updateStandings($db, $teamName, $win, $loss)
{
$db -> updateLeagueStandings($teamName, $win, $loss);
}
updateLeagueStandings功能
public function updateLeagueStandings($teamName, $win, $loss) {
try {
$sth = $this -> db -> prepare("UPDATE teams SET wins = wins + (:winsNum), losses = losses + (:lossesNum) WHERE Name = `:teamName`");
$sth->bindParam(':winsNum', $win, PDO::PARAM_INT);
$sth->bindParam(':lossesNum', $loss, PDO::PARAM_INT);
$sth->bindParam(':teamName', $teamName, PDO::PARAM_STR);
$sth -> execute();
} catch (Exception $e) {
header('Location: /error');
}
}
有什么不对吗?查询是否错误?我用PHPMyAdmin中的替代值运行查询,它工作正常,所以它不能被查询。
$ homeTeamName> $ awayTeamName ---不是他们的名字。你不应该比较分数吗? $ homeScore = $ _POST ['home']; $ awayScore = $ _POST ['away']; – pathfinder
我很抱歉,我在这里错误地复制了那部分代码。我已经说过的代码:'如果($ homeScore> $ awayScore)... elseif($ awayScore> $ homeScore)' – DemCodeLines