php操作mongodb类实例，phpmongodb实例本文实例讲述了php操作mongodb类的方法。分享给大家供大家参考。具体如下：
1. mymongo.php文件：
log_error(the mongodb pecl extentiosn has not been installed or enabled.); exit; } $this->connection_string(); $this->connect(); } /** * 更改数据库 * */ public function switch_db($database = '') { if (empty($database)) { $this->log_error(to switch mongodb databases, a new database name must be specified); exit; } $this->dbname = $database; try { $this->db = $this->connection->{$this->dbname}; return true; } catch(exception $e) { $this->log_error(unable to switch mongo databases: {$e->getmessage()}); exit; } } /** * 设置select字段 * */ public function select($includs = array(), $excludes = array()) { if ( ! is_array($includs)) { $includs = (array)$includs; } if ( ! is_array($excludes)) { $excludes = (array)$excludes; } if ( ! empty($includs)) { foreach ($includs as $col) { $this->selects[$col] = 1; } } else { foreach ($excludes as $col) { $this->selects[$col] = 0; } } return($this); } /** * where条件查询判断 * * @usage = $this->mongo_db->where(array('foo' => 'bar'))->get('foobar'); * */ public function where($wheres = array()) { if ( ! is_array($wheres)) { $wheres = (array)$wheres; } if ( ! empty($wheres)) { foreach($wheres as $wh => $val) { $this->wheres[$wh] = $val; } } return($this); } /** * where ... in .. 条件查询判断 * * @usage = $this->mongo_db->where_in('foo', array('bar', 'zoo'))->get('foobar'); * */ public function where_in($field = '', $in = array()) { $this->where_init($field); $this->wheres[$field]['$in'] = $in; return($this); } /** * where ... not in .. 条件查询判断 * * @usage = $this->mongo_db->where_not_in('foo', array('bar', 'zoo'))->get('foobar'); * */ public function where_not_in($field = '', $in = array()) { $this->where_init($field); $this->wheres[$field]['$nin'] = $in; return($this); } /** * where ... $field > $x .. 条件查询判断 * * @usage = $this->mongo_db->where_gt('foo', 20)->get('foobar'); * */ public function where_gt($field = '', $x) { $this->where_init($field); $this->wheres[$field]['$gt'] = $x; return($this); } /** * where ... $field >= $x .. 条件查询判断 * * @usage = $this->mongo_db->where_gte('foo', 20)->get('foobar'); * */ public function where_gte($field = '', $x) { $this->where_init($field); $this->wheres[$field]['$gte'] = $x; return($this); } /** * where ... $field mongo_db->where_lt('foo', 20)->get('foobar'); * */ public function where_lt($field = '', $x) { $this->where_init($field); $this->wheres[$field]['$lt'] = $x; return($this); } /** * where ... $field mongo_db->where_lte('foo', 20)->get('foobar'); * */ public function where_lte($field = '', $x) { $this->where_init($field); $this->wheres[$field]['$lte'] = $x; return($this); } /** * where ... $field >= $x and $field mongo_db->where_between('foo', 20, 30)->get('foobar'); * */ public function where_between($field = '', $x, $y) { $this->where_init($field); $this->wheres[$field]['$gte'] = $x; $this->wheres[$field]['$lte'] = $y; return($this); } /** * where ... $field > $x and $field mongo_db->where_between_ne('foo', 20, 30)->get('foobar'); * */ public function where_between_ne($field = '', $x, $y) { $this->where_init($field); $this->wheres[$field]['$gt'] = $x; $this->wheres[$field]['$lt'] = $y; return($this); } /** * where ... $field $x .. 条件查询判断 * * @usage = $this->mongo_db->where_ne('foo', 20)->get('foobar'); * */ public function where_ne($field = '', $x) { $this->where_init($field); $this->wheres[$field]['$ne'] = $x; return($this); } /** * where ... or .. 条件查询判断 * * @usage = $this->mongo_db->where_or('foo', array('foo', 'bar'))->get('foobar'); * */ public function where_or($field = '', $values) { $this->where_init($field); $this->wheres[$field]['$or'] = $values; return($this); } /** * where ... and .. 条件查询判断 * * @usage = $this->mongo_db->where_and( array ( 'foo' => 1, 'b' => 'someexample' ); */ public function where_and( $elements_values = array() ) { foreach ( $elements_values as $element => $val ) { $this->wheres[$element] = $val; } return($this); } /** * where $field % $num = $result * * @usage = $this->mongo_db->where_mod( 'foo', 10, 1 ); */ public function where_mod( $field, $num, $result ) { $this->where_init($field); $this->wheres[$field]['$mod'] = array($num, $result); return($this); } /** * where size * * get the documents where the size of a field is in a given $size int * * @usage : $this->mongo_db->where_size('foo', 1)->get('foobar'); */ public function where_size($field = , $size = ) { $this->where_init($field); $this->wheres[$field]['$size'] = $size; return ($this); } /** * like条件查询(php中定义mongoregex类实现) * * @usage : $this->mongo_db->like('foo', 'bar', 'im', false, false)->get(); */ public function like($field = , $value = , $flags = i, $enable_start_wildcard = true, $enable_end_wildcard = true) { $field = (string)$field; $this->where_init($field); $value = (string)$value; $value = quotmeta($value); if (true !== $enable_start_wildcard) { $value = ^.$value; } if (true !== $enable_end_wildcard) { $value .= $; } $regex = /$value/$flags; $this->wheres[$field] = new mongoregex($regex); return($this); } /** * order排序( 1 => asc, -1 => desc) * * @usage: $this->mongo_db->get_where('foo', array('name' => 'tom'))->order_by(array(age => 1)); */ public function order_by($fields = array()) { foreach($fields as $col => $val) { if ($val == -1 || $val == false || strtolower($val) == desc) { $this->sorts[$col] = -1; } else { $this->sorts[$col] = 1; } } return($this); } /** * limit * * @usage: $this->mongo_db->get_where('foo', array('name' => 'tom'))->limit(10); */ public function limit($x = 999999) { if ($x !== null && is_numeric($x) && $x >= 1) { $this->limit = (int)$x; } return($this); } /** * offset * * @usage: $this->mongo_db->get_where('foo', array('name' => 'tom'))->offset(10); */ public function offset($x = 0) { if($x !== null && is_numeric($x) && $x >= 1) { $this->offset = (int) $x; } return($this); } /** * get_where * * @usage: $this->mongo_db->get_where('foo', array('bar' => 'something')); */ public function get_where($collection = , $where = array(), $limit = 999999) { return($this->where($where)->limit($limit)->get($collection)); } /** * get * * @usage: $this->mongo_db->where(array('name' => 'tom'))->get('foo'); */ public function get($collection) { if (empty($collection)) { $this->log_error(in order to retreive documents from mongodb, a collection name must be passed); exit; } $results = array(); $results = $this->db->{$collection}->find($this->wheres, $this->selects)->limit((int)$this->limit)->skip((int)$this->offset)->sort($this->sorts); $returns = array(); foreach($results as $result) { $returns[] = $result; } $this->clear(); return($returns); } /** * count * * @usage: $this->db->get_where('foo', array('name' => 'tom'))->count('foo'); */ public function count($collection) { if (empty($collection)) { $this->log_error(in order to retreive documents from mongodb, a collection name must be passed); exit; } $count = $this->db->{$collection}->find($this->wheres)->limit((int)$this->limit)->skip((int)$this->offset)->count(); $this->clear(); return($count); } /** * insert * * @usage: $this->mongo_db->insert('foo', array('name' => 'tom')); */ public function insert($collection = , $data = array()) { if (empty($collection)) { $this->log_error(no mongo collection selected to delete from); exit; } if (count($data) == 0 || ! is_array($data)) { $this->log_error(nothing to insert into mongo collection or insert is not an array); exit; } try { $this->db->{$collection}->insert($data, array('fsync' => true)); if (isset($data['_id'])) { return($data['_id']); } else { return(false); } } catch(mongocursorexception $e) { $this->log_error(insert of data into mongodb failed: {$e->getmessage()}); exit; } } /** * update : 利用mongodb的 $set 实现 * * @usage : $this->mongo_db->where(array('name' => 'tom'))->update('foo', array('age' => 24)) */ public function update($collection = , $data = array()) { if (empty($collection)) { $this->log_error(no mongo collection selected to delete from); exit; } if (count($data) == 0 || ! is_array($data)) { $this->log_error(nothing to update in mongo collection or update is not an array); exit; } try { $this->db->{$collection}->update($this->wheres, array('$set' => $data), array('fsync' => true, 'multiple' => false)); //注意: multiple为false return(true); } catch(mongocursorexception $e) { $this->log_error(update of data into mongodb failed: {$e->getmessage()}); exit; } } /** * update_all : 利用mongodb的 $set 实现 * * @usage : $this->mongo_db->where(array('name' => 'tom'))->update_all('foo', array('age' => 24)); */ public function update_all($collection = , $data = array()) { if (empty($collection)) { $this->log_error(no mongo collection selected to delete from); exit; } if (count($data) == 0 || ! is_array($data)) { $this->log_error(nothing to update in mongo collection or update is not an array); exit; } try { $this->db->{$collection}->update($this->wheres, array('$set' => $data), array('fsync' => true, 'multiple' => true)); //注意: multiple为true return(true); } catch(mongocursorexception $e) { $this->log_error(update of data into mongodb failed: {$e->getmessage()}); exit; } } /** * delete * * @usage : $this->mongo_db->where(array('name' => 'tom'))->delete('foo'); */ public function delete($collection = ) { if (empty($collection)) { $this->log_error(no mongo collection selected to delete from); exit; } try { $this->db->{$collection}->remove($this->wheres, array('fsync' => true, 'justone' => true)); //注意justone为true; } catch(mongocursorexception $e) { $this->log_error(delete of data into mongodb failed: {$e->getmessage()}); exit; } } /** * delete_all * * @usage : $this->mongo_db->where(array('name' => 'tom'))->delete_all('foo'); */ public function delete_all($collection = ) { if (empty($collection)) { $this->log_error(no mongo collection selected to delete from); exit; } try { $this->db->{$collection}->remove($this->wheres, array('fsync' => true, 'justone' => false)); //注意justone为false; } catch(mongocursorexception $e) { $this->log_error(delete of data into mongodb failed: {$e->getmessage()}); exit; } } /** * add_index * * @usage : $this->mongo_db->add_index('foo', array('first_name' => 'asc', 'last_name' => -1), array('unique' => true))); */ public function add_index($collection, $keys = array(), $options = array()) { if (empty($collection)) { $this->log_error(no mongo collection specified to add index to); exit; } if (empty($keys) || ! is_array($keys)) { $this->log_error(index could not be created to mongodb collection because no keys were specified); exit; } foreach($keys as $col => $val) { if ($val == -1 || $val == false || strtolower($val) == 'desc') { $keys[$col] = -1; } else { $keys[$col] = 1; } } //在此没有对$options数组的有效性进行验证 if (true == $this->db->{$collection}->ensureindex($keys, $options)) { $this->clear(); return($this); } else { $this->log_error(an error occured when trying to add an index to mongodb collection); exit; } } /** * remove_index * * @usage : $this->mongo_db->remove_index('foo', array('first_name' => 'asc', 'last_name' => -1)) */ public function remove_index($collection = , $keys = array()) { if (empty($collection)) { $this->log_error(no mongo collection specified to add index to); exit; } if (empty($keys) || ! is_array($keys)) { $this->log_error(index could not be created to mongodb collection because no keys were specified); exit; } if ($this->db->{$collection}->deleteindex($keys)) { $this->clear(); return($this); } else { $this->log_error(an error occured when trying to add an index to mongodb collection); exit; } } /** * remove_all_index * * @usage : $this->mongo_db->remove_all_index('foo', array('first_name' => 'asc', 'last_name' => -1)) */ public function remove_all_index($collection = , $keys = array()) { if (empty($collection)) { $this->log_error(no mongo collection specified to add index to); exit; } if (empty($keys) || ! is_array($keys)) { $this->log_error(index could not be created to mongodb collection because no keys were specified); exit; } if ($this->db->{$collection}->deleteindexes($keys)) { $this->clear(); return($this); } else { $this->log_error(an error occured when trying to add an index to mongodb collection); exit; } } /** * list_indexes * * @usage : $this->mongo_db->list_indexes('foo'); */ public function list_indexes($collection = ) { if (empty($collection)) { $this->log_error(no mongo collection specified to add index to); exit; } return($this->db->{$collection}->getindexinfo()); } /** * drop_collection * * @usage : $this->mongo_db->drop_collection('foo'); */ public function drop_collection($collection = ) { if (empty($collection)) { $this->log_error(no mongo collection specified to add index to); exit; } $this->db->{$collection}->drop(); return(true); } /** * 生成连接mongodb 参数字符串 * */ private function connection_string() { include_once($this->mongo_config); $this->host = trim($config['host']); $this->port = trim($config['port']); $this->user = trim($config['user']); $this->pass = trim($config['pass']); $this->dbname = trim($config['dbname']); $this->persist = trim($config['persist']); $this->persist_key = trim($config['persist_key']); $connection_string = mongodb://; if (empty($this->host)) { $this->log_error(the host must be set to connect to mongodb); exit; } if (empty($this->dbname)) { $this->log_error(the database must be set to connect to mongodb); exit; } if ( ! empty($this->user) && ! empty($this->pass)) { $connection_string .= {$this->user}:{$this->pass}@; } if ( isset($this->port) && ! empty($this->port)) { $connection_string .= {$this->host}:{$this->port}; } else { $connection_string .= {$this->host}; } $this->connection_string = trim($connection_string); } /** * 连接mongodb 获取数据库操作句柄 * */ private function connect() { $options = array(); if (true === $this->persist) { $options['persist'] = isset($this->persist_key) && ! empty($this->persist_key) ? $this->persist_key : ci_mongo_persist; } try { $this->connection = new mongo($this->connection_string, $options); $this->db = $this->connection->{$this->dbname}; return ($this); } catch (mongoconnectionexception $e) { $this->log_error(unable to connect to mongodb: {$e->getmessage()}); } } /** * 初始化清理部分成员变量 * */ private function clear() { $this->selects = array(); $this->wheres = array(); $this->limit = null; $this->offset = null; $this->sorts = array(); } /** * 依据字段名初始化处理$wheres数组 * */ private function where_init($param) { if ( ! isset($this->wheres[$param])) { $this->wheres[$param] = array(); } } /** * 错误记录 * */ private function log_error($msg) { $msg = [date: .date(y-m-i h:i:s).] .$msg; @file_put_contents(./error.log, print_r($msg.\n, true), file_append); }}/* end of mymongo.php */
2. mongo_config.php配置文件：
小明, age => 25, addr => array(country => 中国, province => 广西, city => 桂林));$conn->insert(blog, $value);var_dump($conn->select(array(name, age))->get(blog));var_dump($conn->get(blog));/* end of mymongodemo.php */
希望本文所述对大家的php程序设计有所帮助。
http://www.bkjia.com/phpjc/1018525.htmlwww.bkjia.comtruehttp://www.bkjia.com/phpjc/1018525.htmltecharticlephp操作mongodb类实例，phpmongodb实例 本文实例讲述了php操作mongodb类的方法。分享给大家供大家参考。具体如下： 1. mymongo.php文件： php/** * 仿...