第二天用MongoDB 简单

<?php
header("Content-type: text/html; charset=utf-8");


$mo = new Mongo();
$db = $mo->comedy;
$collection = $db->collection;
$user = $db->user;


echo "<h1>插入</h1>";
//添加一个元素
//$obj = array("title"=>"这是标题", "author"=>"作者向晓东");
//$collection->insert($obj);

//添加另外一个元素
//$obj = array("title"=>"XKCD", "online"=>true);
//$collection->insert($obj);
/*$cursor = $collection->find();
var_dump($cursor);
foreach($cursor as $obj){
    echo $obj['title']."<BR><BR>";
    if(isset($obj['author'])){
       echo $obj['author']."<BR><BR>";
    }
    if(isset($obj['online'])){
       echo $obj['online']."<BR><BR>";
    }
}
//$mo->close();   //关闭链接*/
echo "<h3>插入一条语句到user集合中</h3>";
echo "INSERT INTO USERS VALUES(1,1)<BR>";
//$db->user->insert(array("name"=>"xianglingchuan", "age"=>33));




echo "<h1>查询</h1>";

echo "<h3>查询 title=‘XKCD’ </h3>";
$query = array("title"=>"XKCD");
$cursor = $collection->find($query);
foreach ($cursor as $key => $value) {
     echo "title:".$value['title']."<BR>";
     echo "id:".$value['_id']."<BR>";
}
echo "================================<BR><BR>";



echo "<h3>查询 整个积合中的第一个文档 </h3>";
$one = $collection->findOne();
echo "title:".$one['title']."<BR>";
echo "id:".$one['_id']."<BR>";
echo "================================<BR><BR>";


echo "<h3>查询 整个积合记录总数 </h3>";
$count = $collection->count();
echo "总记录数为:{$count}<BR>";
echo "================================<BR><BR>";

echo "<h3>查询 积合的指定字段title </h3>";
$cursor = $collection->find(array(), array("title"=>1));
foreach ($cursor as $key => $value) {
    echo "title:".$value['title']."<BR>";
    //echo "id:".$value['_id']."<BR>"; id是什么时候都可以访问的
}
echo "================================<BR><BR>";


echo "<h3>查询 积合的指定字段title进行排序查询 </h3>";
$cursor = $collection->find(array(), array("title"=>1))->sort(array("title"=>1));
foreach ($cursor as $key => $value) {
    echo "title:".$value['title']."<BR>";
}
echo "================================<BR><BR>";



echo "<h3>查询user 所有字段，年龄为33 </h3>";
echo "SELECT * FROM users WHERE age=33<BR>";
$cursor = $user->find(array("age"=>33));
foreach ($cursor as $key => $value) {
    echo "name:".$value['name']."<BR>";
    echo "age:".$value['age']."<BR>";
}
echo "================================<BR><BR>";



echo "<h3>查询user 指定字段，年龄为33 </h3>";
echo "SELECT name FROM users WHERE age=33<BR>";
$cursor = $user->find(array("age"=>33), array("name"=>1));
foreach ($cursor as $key => $value) {
    echo "name:".$value['name']."<BR>";
}
echo "================================<BR><BR>";



echo "<h3>查询user 指定字段，对name进行升排序 </h3>";
echo "SELECT name, age FROM users ORDER BY name ASC<BR>";
$cursor = $user->find(array(), array("name"=>1, "age"=>1))->sort(array("name"=>1));
foreach ($cursor as $key => $value) {
    echo "name:".$value['name']." ";
    echo "age:".$value['age']."<BR>";
}
echo "================================<BR><BR>";


echo "<h3>查询user 指定字段，age>21 </h3>";
echo "SELECT * FROM users WHERE age>21<BR>";
$cursor = $user->find(array("age"=>array('$gt'=>21)), array("name"=>1, "age"=>1))->sort(array("name"=>1));
foreach ($cursor as $key => $value) {
    echo "name:".$value['name']." ";
    echo "age:".$value['age']."<BR>";
}
echo "================================<BR><BR>";


echo "<h3>查询user 指定字段，age<33 </h3>";
echo "SELECT * FROM users WHERE age<33<BR>";
$cursor = $user->find(array("age"=>array('$lt'=>33)), array("name"=>1, "age"=>1))->sort(array("name"=>1));
foreach ($cursor as $key => $value) {
    echo "name:".$value['name']." ";
    echo "age:".$value['age']."<BR>";
}
echo "================================<BR><BR>";



echo "<h3>查询user 指定字段，LIKE \"%test%\" </h3>";
echo "SELECT * FROM users WHERE name LIKE \"%test%\"<BR>";
$cursor = $user->find(array("name"=>new MongoRegex("/test/")), array("name"=>1, "age"=>1))->sort(array("name"=>1));
foreach ($cursor as $key => $value) {
    echo "name:".$value['name']." ";
    echo "age:".$value['age']."<BR>";
}
echo "================================<BR><BR>";



echo "<h3>查询user 指定字段，LIKE \"x%\" </h3>";
echo "SELECT * FROM users WHERE name LIKE \"x%\"<BR>";
$cursor = $user->find(array("name"=>new MongoRegex("/^x/")), array("name"=>1, "age"=>1))->sort(array("name"=>1));
foreach ($cursor as $key => $value) {
    echo "name:".$value['name']." ";
    echo "age:".$value['age']."<BR>";
}
echo "================================<BR><BR>";



echo "<h3>查询user 指定字段，age>33 AND age<=55 </h3>";
echo "SELECT * FROM users WHERE age>33 AND age<=55 <BR>";
$cursor = $user->find(array("age"=>array('$gt'=>33, '$lte'=>55)), array("name"=>1, "age"=>1))->sort(array("name"=>1));
foreach ($cursor as $key => $value) {
    echo "name:".$value['name']." ";
    echo "age:".$value['age']."<BR>";
}
echo "================================<BR><BR>";



echo "<h3>查询user 指定字段，ORDER BY name DESC </h3>";
echo "SELECT * FROM users ORDER BY name DESC <BR>";
$cursor = $user->find(array(), array("name"=>1, "age"=>1))->sort(array("name"=>-1));
foreach ($cursor as $key => $value) {
    echo "name:".$value['name']." ";
    echo "age:".$value['age']."<BR>";
}
echo "================================<BR><BR>";


echo "<h3>查询user CREATE INDEX myindexname ON users(name) 不懂</h3>";

echo "<h3>查询user CREATE INDEX myindexname ON users(name) 不懂</h3>";



echo "<h3>查询user 指定字段，name='hello' AND age='32' </h3>";
echo "SELECT * FROM users WHERE name='hello' AND age='32' <BR>";
$cursor = $user->find(array("name"=>"hello", "age"=>32), array("name"=>1, "age"=>1))->sort(array("name"=>-1));
foreach ($cursor as $key => $value) {
    echo "name:".$value['name']." ";
    echo "age:".$value['age']."<BR>";
}
echo "================================<BR><BR>";


echo "<h3>查询user 指定字段，LIMIT 3 SKIP 2 </h3>";
echo "SELECT * FROM users LIMIT 3 SKIP 2<BR>";
$cursor = $user->find(array(), array("name"=>1, "age"=>1))->limit(3)->skip(2);
foreach ($cursor as $key => $value) {
    echo "name:".$value['name']." ";
    echo "age:".$value['age']."<BR>";
}
echo "================================<BR><BR>";


echo "<h3>查询user 指定字段，name='hello' or age=55 </h3>";
echo "SELECT * FROM users WHERE name='hello' or age=55<BR>";
$cursor = $user->find(array('$or'=>array(array('name'=>'hello'), array('age'=>55))), array("name"=>1, "age"=>1));
foreach ($cursor as $key => $value) {
    echo "name:".$value['name']." ";
    echo "age:".$value['age']."<BR>";
}
echo "================================<BR><BR>";



echo "<h3>查询user 指定字段，limit 1 </h3>";
echo "SELECT * FROM users limit 1<BR>";
$cursor = $user->find(array('$or'=>array(array('name'=>'hello'), array('age'=>55))), array("name"=>1, "age"=>1))->limit(1);
foreach ($cursor as $key => $value) {
    echo "name:".$value['name']." ";
    echo "age:".$value['age']."<BR>";
}
echo "================================<BR><BR>";


echo "<h3>查询user EXPLAIN SELECT * FROM users WHERE name='hello' 不懂</h3>";
echo "<BR>";
$cursor = $user->find(array('age'=>32))->explain();
echo "================================<BR><BR>";



echo "<h3>查询user 指定字段，DISTINCT name </h3>";
echo "SELECT DISTINCT name FROM users<BR>";
$cursor = $db->command(array("distinct"=>"user", "key"=>"name"));
$values = $cursor['values'];
foreach ($values as $key => $value) {
    echo "name:".$value."<BR>";
}
echo "================================<BR><BR>";


echo "<h3>查询user count(*)</h3>";
echo "SELECT COUNT(*) FROM users<BR>";
$count = $db->user->count();
echo "总记录数为:{$count}<BR>";
echo "================================<BR><BR>";


echo "<h3>查询user count(*) where age>32</h3>";
echo "SELECT COUNT(*y) FROM users where AGE > 32 ";
$count = $user->find(array("age"=>array('$gt'=>32)))->count();
echo "<BR>总记录数为:{$count}<BR>";
echo "================================<BR><BR>";


echo "<h3>查询user count(age)</h3>";
echo "SELECT COUNT(AGE) from users <BR>";
$count = $user->find(array("age"=>array('$exists'=>true)))->count();
echo "<BR>总记录数为:{$count}<BR>";
echo "================================<BR><BR>";


echo "<h3>更新user age=25 WHERE name='xianglingchuan'</h3>";
echo "UPDATE users SET age=25 WHERE name='xianglingchuan' <BR>";
$result = $user->update(array('name'=>'xianglingchuan'), array('$set'=>array("age"=>25)));
var_dump($result);
echo "================================<BR><BR>";


echo "<h3>更新user age=age+2 WHERE name='xianglingchuan'</h3>";
echo "UPDATE users SET age=age+2 WHERE name='xianglingchuan' <BR>";
$result = $user->update(array('name'=>'xianglingchuan'), array('$inc'=>array("age"=>2)));
var_dump($result);
echo "================================<BR><BR>";



echo "<h3>删除user  name='xlc'</h3>";
echo "DELETE FROM users WHERE z='abc' <BR>";
$result = $user->remove(array('name'=>'xlc'));
var_dump($result);
echo "================================<BR><BR>";


echo "<BR><BR>";
?>