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好吧我使用蒙戈db和有我的页面上的重复区域:蒙戈 - 排序while循环
try {
$connection = new Mongo();
$database = $connection->selectDB($selectDB);
$collection = $database->selectCollection($selectCollection);
} catch(MongoConnectionException $e) {
die("Failed to connect to database ".$e->getMessage());
}
$cursor = $collection->find();
while ($cursor->hasNext()): $document = $cursor->getNext();
echo $document['fieldName']."<br/>";
echo $document['fieldType']."<br/>";
echo $document['fieldLength']."<br/>";
echo $document['user_id']."<br/>";
echo $document['order']."<br/>";
echo "<hr/>";
endwhile;
这工作得很好,但我试图尽现由user_id是排序。我试过这个:
try {
$connection = new Mongo();
$database = $connection->selectDB($selectDB);
$collection = $database->selectCollection($selectCollection);
} catch(MongoConnectionException $e) {
die("Failed to connect to database ".$e->getMessage());
}
$cursor = $collection->find().sort({user_id: -1});
while ($cursor->hasNext()): $document = $cursor->getNext();
echo $document['fieldName']."<br/>";
echo $document['fieldType']."<br/>";
echo $document['fieldLength']."<br/>";
echo $document['user_id']."<br/>";
echo $document['order']."<br/>";
echo "<hr/>";
endwhile;
我修改的这行是:$ cursor = $ collection-> find()。sort({user_id:-1});
我收到的PHP错误时,ID O此。有人能告诉我合适的syntex来获得这个数组的排序。
我也曾尝试:
$cursor = $collection->find()->sort({user_id: -1});
and
$cursor = $collection->find();
$cursor = $cursor.sort({user_id: -1});
任何帮助,将不胜感激。谢谢。
答案发现 *
$cursor = $collection->find();
$cursor->sort(array('user_id' => 1));
对不起,我想我会开始依赖SOF有点太多,并得到一个小后感到高兴。经过约2分钟的搜索后,我找到了答案。我把它贴在我原来的帖子底部。 – user982853 2012-01-17 22:45:32