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php实现的mongodb操作类实例

2020-03-22 19:05:00
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* To change this template, choose Tools | Templates * and open the template in the editor.' target='_blank'>class mongo_db { private $config; private $connection; private $db; private $connection_string; private $host; private $port; private $user; private $pass; private $dbname; private $persist; private $persist_; private $selects = array(); private $wheres = array(); private $sorts = array(); private $limit = 999999; private $offset = 0; private $timeout = 200; private $key = 0; * CONSTRUCTOR * * Automatically check if the Mongo PECL extension has been installed/enabled. * Generate the connection string and establish a connection to the MongoDB. function __construct() { if((IS_NOSQL != 1)){ return; if (!class_exists('Mongo')) { //$this- error("The MongoDB PECL extension has not been installed or enabled", 500); $configs =wxcity_base::load_config("cache","mongo_db"); $num = count($configs['connect']); $this- timeout = trim($configs['timeout']); $keys = wxcity_base::load_config('double'); $this- key = $keys['mongo_db']; $this- config = $configs['connect'][$this- key]; $status = $this- connect(); if($status == false) for($i = 1; $i $num; $i++) $n = $this- key + $i; $key = $n = $num $n - $num : $n; $this- config = $configs['connect'][$key]; $status = $this- connect(); if($status!=false) $keys['mongo_db'] = $key ; $this- key = $key; $data = " php/nreturn ".var_export($keys, true).";/n file_put_contents(WHTY_PATH.'configs/double.php', $data, LOCK_EX); break; if($status==false) die('mongoDB not connect'); function __destruct() { if((IS_NOSQL != 1)){ return; if($this- connection) $this- connection- close(); * CONNECT TO MONGODB * * Establish a connection to MongoDB using the connection string generated in * the connection_string() method. If 'mongo_persist_key' was set to true in the * config file, establish a persistent connection. We allow for only the 'persist' * option to be set because we want to establish a connection immediately. private function connect() { $this- connection_string(); $options = array('connect'= true,'timeout'= $this- timeout); try { $this- connection = new Mongo($this- connection_string, $options); $this- db = $this- connection- {$this- dbname}; return($this); } catch (MongoConnectionException $e) { return false; * BUILD CONNECTION STRING * * Build the connection string from the config file. private function connection_string() { $this- host = trim($this- config['hostname']); $this- port = trim($this- config['port']); $this- user = trim($this- config['username']); $this- pass = trim($this- config['password']); $this- dbname = trim($this- config['database']); $this- persist = trim($this- config['autoconnect']); $this- persist_key = trim($this- config['mongo_persist_key']); $connection_string = "mongodb://"; if (emptyempty($this- host)) { $this- error("The Host must be set to connect to MongoDB", 500); } if (emptyempty($this- dbname)) { $this- error("The Database must be set to connect to MongoDB", 500); } if (!emptyempty($this- user) && !emptyempty($this- pass)) { $connection_string .= "{$this- user}:{$this- pass}@"; } if (isset($this- port) && !emptyempty($this- port)) { $connection_string .= "{$this- host}:{$this- port}"; } else { $connection_string .= "{$this- host}"; } $this- connection_string = trim($connection_string); * Switch_db * * Switch from default database to a different db public function switch_db($database = '') { if (emptyempty($database)) { $this- error("To switch MongoDB databases, a new database name must be specified", 500); } $this- dbname = $database; try { $this- db = $this- connection- {$this- dbname}; return(TRUE); } catch (Exception $e) { $this- error("Unable to switch Mongo Databases: {$e- getMessage()}", 500); * SELECT FIELDS * * Determine which fields to include OR which to exclude during the query process. * Currently, including and excluding at the same time is not available, so the * $includes array will take precedence over the $excludes array. If you want to * only choose fields to exclude, leave $includes an empty array(). * @usage: $this- mongo_db- select(array('foo', 'bar'))- get('foobar'); public function select($includes = array(), $excludes = array()) { if (!is_array($includes)) { $includes = array(); if (!is_array($excludes)) { $excludes = array(); if (!emptyempty($includes)) { foreach ($includes as $col) { $this- selects[$col] = 1; } else { foreach ($excludes as $col) { $this- selects[$col] = 0; } return($this); * WHERE PARAMETERS * * Get the documents based on these search parameters. The $wheres array should * be an associative array with the field as the key and the as the search * criteria. * * @usage = $this- mongo_db- where(array('foo' = 'bar'))- get('foobar'); public function where($wheres = array()) { foreach ((array)$wheres as $wh = $val) { $this- wheres[$wh] = $val; } return($this); * WHERE_IN PARAMETERS * * Get the documents where the value of a $field is in a given $in array(). * @usage = $this- mongo_db- where_in('foo', array('bar', 'zoo', 'blah'))- get('foobar'); public function where_in($field = "", $in = array()) { $this- where_init($field); $this- wheres[$field]['$in'] = $in; return($this); * WHERE_NOT_IN PARAMETERS * * Get the documents where the value of a $field is not in a given $in array(). * @usage = $this- mongo_db- where_not_in('foo', array('bar', 'zoo', 'blah'))- get('foobar'); public function where_not_in($field = "", $in = array()) { $this- where_init($field); $this- wheres[$field]['$nin'] = $in; return($this); * WHERE GREATER THAN PARAMETERS * * Get the documents where the value of a $field is greater than $x * @usage = $this- mongo_db- where_gt('foo', 20); public function where_gt($field = "", $x) { $this- where_init($field); $this- wheres[$field]['$gt'] = $x; return($this); * WHERE GREATER THAN OR EQUAL TO PARAMETERS * * Get the documents where the value of a $field is greater than or equal to $x * @usage = $this- mongo_db- where_gte('foo', 20); public function where_gte($field = "", $x) { $this- where_init($field); $this- wheres[$field]['$gte'] = $x; return($this); * WHERE LESS THAN PARAMETERS * * Get the documents where the value of a $field is less than $x * @usage = $this- mongo_db- where_lt('foo', 20); public function where_lt($field = "", $x) { $this- where_init($field); $this- wheres[$field]['$lt'] = $x; return($this); * WHERE LESS THAN OR EQUAL TO PARAMETERS * * Get the documents where the value of a $field is less than or equal to $x * @usage = $this- mongo_db- where_lte('foo', 20); public function where_lte($field = "", $x) { $this- where_init($field); $this- wheres[$field]['$lte'] = $x; return($this); * WHERE BETWEEN PARAMETERS * * Get the documents where the value of a $field is between $x and $y * @usage = $this- mongo_db- where_between('foo', 20, 30); public function where_between($field = "", $x, $y) { $this- where_init($field); $this- wheres[$field]['$gte'] = $x; $this- wheres[$field]['$lte'] = $y; return($this); * WHERE BETWEEN AND NOT EQUAL TO PARAMETERS * * Get the documents where the value of a $field is between but not equal to $x and $y * @usage = $this- mongo_db- where_between_ne('foo', 20, 30); public function where_between_ne($field = "", $x, $y) { $this- where_init($field); $this- wheres[$field]['$gt'] = $x; $this- wheres[$field]['$lt'] = $y; return($this); * WHERE NOT EQUAL TO PARAMETERS * * Get the documents where the value of a $field is not equal to $x * @usage = $this- mongo_db- where_between('foo', 20, 30); public function where_ne($field = "", $x) { $this- where_init($field); $this- wheres[$field]['$ne'] = $x; return($this); * WHERE OR * * Get the documents where the value of a $field is in one or more values * @usage = $this- mongo_db- where_or('foo', array( 'foo', 'bar', 'blegh' ); public function where_or($field = "", $values) { $this- where_init($field); $this- wheres[$field]['$or'] = $values; return($this); * WHERE AND * * Get the documents where the elements match the specified values * * @usage = $this- mongo_db- where_and( array ( 'foo' = 1, 'b' = 'someexample' ); public function where_and($elements_values = array()) { foreach ((array)$elements_values as $element = $val) { $this- wheres[$element] = $val; } return($this); * WHERE MOD * * Get the documents where $field % $mod = $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 PARAMETERS * * Get the documents where the (string) value of a $field is like a value. The defaults * allow for a case-insensitive search. * * @param $flags * Allows for the typical regular expression flags: * i = case insensitive * m = multiline * x = can contain comments * l = locale * s = dotall, "." matches everything, including newlines * u = match unicode * @param $enable_start_wildcard * If set to anything other than TRUE, a starting line character "^" will be prepended * to the search value, representing only searching for a value at the start of * a new line. * * @param $enable_end_wildcard * If set to anything other than TRUE, an ending line character "$" will be appended * to the search value, representing only searching for a value at the end of * a line. * @usage = $this- mongo_db- like('foo', 'bar', 'im', FALSE, TRUE); public function like($field = "", $value = "", $flags = "i", $enable_start_wildcard = TRUE, $enable_end_wildcard = TRUE) { $field = (string) trim($field); $this- where_init($field); $value = (string) trim($value); $value = quotemeta($value); if ($enable_start_wildcard !== TRUE) { $value = "^" . $value; } if ($enable_end_wildcard !== TRUE) { $value .= "$"; } $regex = "/$value/$flags"; $this- wheres[$field] = new MongoRegex($regex); return($this); public function wheres($where){ $this- wheres = $where; * ORDER BY PARAMETERS * * Sort the documents based on the parameters passed. To set values to descending order, * you must pass values of either -1, FALSE, 'desc', or 'DESC', else they will be * set to 1 (ASC). * @usage = $this- mongo_db- where_between('foo', 20, 30); public function order_by($fields = array()) { if (!is_array($fields) || !count($fields)) return ; 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 DOCUMENTS * * Limit the result set to $x number of documents * * @usage = $this- mongo_db- limit($x); public function limit($x = 99999) { if ($x !== NULL && is_numeric($x) && $x = 1) { $this- limit = (int) $x; } return($this); * OFFSET DOCUMENTS * * Offset the result set to skip $x number of documents * @usage = $this- mongo_db- offset($x); public function offset($x = 0) { if ($x !== NULL && is_numeric($x) && $x = 1) { $this- offset = (int) $x; } return($this); * GET_WHERE * * Get the documents based upon the passed parameters * * @usage = $this- mongo_db- get_where('foo', array('bar' = 'something')); public function get_where($collection = "", $where = array(), $limit = 99999, $orderby=array()) { if (is_array($orderby) || !emptyempty($orderby)) { $order_by = $this- order_by($order_by); return($this- where($where)- limit($limit)- get($collection)); public function selectA($collection = "", $limit = 99999, $orderby=array()) { if(intval($limit) 1){ $limit = 999999; $order_by = $this- order_by($orderby); $re = $this- limit($limit)- get($collection); $this- clear(); return (array)$re; public function listinfo($collection = "", $orderby=array(), $page=1, $pagesize=12) { $page = max(intval($page), 1); $offset = $pagesize * ($page - 1); $pagesizes = $offset + $pagesize; $this- offset($offset); $order_by = $this- order_by($orderby); $re = $this- limit($pagesize)- get($collection); $this- limit(999999); $count = $this- count($collection); $this- pages = pages($count, $page, $pagesize); return (array)$re; * GET * * Get the documents based upon the passed parameters * * @usage = $this- mongo_db- get('foo', array('bar' = 'something')); public function get($collection = "") { if (emptyempty($collection)) { $this- error("In order to retreive documents from MongoDB, a collection name must be passed", 500); } $results = array(); $documents = $this- db- {$collection}- find($this- wheres, $this- selects)- limit((int) $this- limit)- skip((int) $this- offset)- sort($this- sorts); $returns = array(); foreach ($documents as $doc): $returns[] = $doc; endforeach; return($returns); public function getMy($collection = "") { if (emptyempty($collection)) { $this- error("In order to retreive documents from MongoDB, a collection name must be passed", 500); } $results = array(); $documents = $this- db- {$collection}- find($this- wheres, $this- selects)- limit((int) $this- limit)- skip((int) $this- offset)- sort($this- sorts); $returns = array(); foreach ($documents as $doc): $returns[] = $doc; endforeach; $this - clear(); return($returns); * COUNT * * Count the documents based upon the passed parameters * * @usage = $this- mongo_db- get('foo'); public function count($collection = "") { if (emptyempty($collection)) { $this- error("In order to retreive a count of documents from MongoDB, a collection name must be passed", 500); } $count = $this- db- {$collection}- find($this- wheres)- limit((int) $this- limit)- skip((int) $this- offset)- count(); $this- clear(); return($count); * INSERT * * Insert a new document into the passed collection * * @usage = $this- mongo_db- insert('foo', $data = array()); public function insert($collection = "", $data = array(), $name='ID') { if (emptyempty($collection)) { $this- error("No Mongo collection selected to insert into", 500); } if (count($data) == 0 || !is_array($data)) { $this- error("Nothing to insert into Mongo collection or insert is not an array", 500); } try { wxcity_base::load_sys_class('whtysqs','',0); $mongoseq_class = new whtysqs('creaseidsqs'); $re = $mongoseq_class- query(" name=" . $collection . "&opt=put&data=1"); **/ $re = put_sqs('list_mongo_creaseidsqs','1'); if(is_numeric($re)){ $re++; $data[$name] = intval($re); }else{ $data[$name] = intval(time()); //die('mongosqs error'); $this- db- {$collection}- insert($data, array('fsync' = TRUE)); $this- clear(); return $data[$name]; } catch (MongoCursorException $e) { $this- error("Insert of data into MongoDB failed: {$e- getMessage()}", 500); public function insertWithId($collection = "", $data = array()) { if (emptyempty($collection)) { $this- error("No Mongo collection selected to insert into", 500); } if (count($data) == 0 || !is_array($data)) { $this- error("Nothing to insert into Mongo collection or insert is not an array", 500); } try { $this- db- {$collection}- insert($data, array('fsync' = TRUE)); $this- clear(); return 1; } catch (MongoCursorException $e) { $this- error("Insert of data into MongoDB failed: {$e- getMessage()}", 500); * UPDATE * * Update a document into the passed collection * * @usage = $this- mongo_db- update('foo', $data = array()); public function update($collection = "", $data = array()) { if (emptyempty($collection)) { $this- error("No Mongo collection selected to update", 500); } if (count($data) == 0 || !is_array($data)) { $this- error("Nothing to update in Mongo collection or update is not an array", 500); } try { $this- db- {$collection}- update($this- wheres, array('$set' = $data), array('fsync' = TRUE, 'multiple' = FALSE)); $this- clear(); return(TRUE); } catch (MongoCursorException $e) { $this- error("Update of data into MongoDB failed: {$e- getMessage()}", 500); * UPDATE_ALL * * Insert a new document into the passed collection * * @usage = $this- mongo_db- update_all('foo', $data = array()); public function update_all($collection = "", $data = array()) { if (emptyempty($collection)) { $this- error("No Mongo collection selected to update", 500); } if (count($data) == 0 || !is_array($data)) { $this- error("Nothing to update in Mongo collection or update is not an array", 500); } try { $this- db- {$collection}- update($this- wheres, array('$set' = $data), array('fsync' = TRUE, 'multiple' = TRUE)); return(TRUE); } catch (MongoCursorException $e) { $this- error("Update of data into MongoDB failed: {$e- getMessage()}", 500); * DELETE * * delete document from the passed collection based upon certain criteria * * @usage = $this- mongo_db- delete('foo', $data = array()); public function delete($collection = "") { if (emptyempty($collection)) { $this- error("No Mongo collection selected to delete from", 500); } try { $this- db- {$collection}- remove($this- wheres, array('fsync' = TRUE, 'justOne' = TRUE)); $this- clear(); return(TRUE); } catch (MongoCursorException $e) { $this- error("Delete of data into MongoDB failed: {$e- getMessage()}", 500); * DELETE_ALL * * Delete all documents from the passed collection based upon certain criteria * @usage = $this- mongo_db- delete_all('foo', $data = array()); public function delete_all($collection = "") { if (emptyempty($collection)) { $this- error("No Mongo collection selected to delete from", 500); } try { $this- db- {$collection}- remove($this- wheres, array('fsync' = TRUE, 'justOne' = FALSE)); return(TRUE); } catch (MongoCursorException $e) { $this- error("Delete of data into MongoDB failed: {$e- getMessage()}", 500); * ADD_INDEX * * Ensure an index of the keys in a collection with optional parameters. To set values to descending order, * you must pass values of either -1, FALSE, 'desc', or 'DESC', else they will be * set to 1 (ASC). * * @usage = $this- mongo_db- add_index($collection, array('first_name' = 'ASC', 'last_name' = -1), array('unique' = TRUE)); public function add_index($collection = "", $keys = array(), $options = array()) { if (emptyempty($collection)) { $this- error("No Mongo collection specified to add index to", 500); } if (emptyempty($keys) || !is_array($keys)) { $this- error("Index could not be created to MongoDB Collection because no keys were specified", 500); } foreach ($keys as $col = $val) { if ($val == -1 || $val === FALSE || strtolower($val) == 'desc') { $keys[$col] = -1; } else { $keys[$col] = 1; } if ($this- db- {$collection}- ensureIndex($keys, $options) == TRUE) { $this- clear(); return($this); } else { $this- error("An error occured when trying to add an index to MongoDB Collection", 500); * REMOVE_INDEX * * Remove an index of the keys in a collection. To set values to descending order, * you must pass values of either -1, FALSE, 'desc', or 'DESC', else they will be * set to 1 (ASC). * * @usage = $this- mongo_db- remove_index($collection, array('first_name' = 'ASC', 'last_name' = -1)); public function remove_index($collection = "", $keys = array()) { if (emptyempty($collection)) { $this- error("No Mongo collection specified to remove index from", 500); } if (emptyempty($keys) || !is_array($keys)) { $this- error("Index could not be removed from MongoDB Collection because no keys were specified", 500); } if ($this- db- {$collection}- deleteIndex($keys, $options) == TRUE) { $this- clear(); return($this); } else { $this- error("An error occured when trying to remove an index from MongoDB Collection", 500); * REMOVE_ALL_INDEXES * * Remove all indexes from a collection. * * @usage = $this- mongo_db- remove_all_index($collection); public function remove_all_indexes($collection = "") { if (emptyempty($collection)) { $this- error("No Mongo collection specified to remove all indexes from", 500); } $this- db- {$collection}- deleteIndexes(); $this- clear(); return($this); * LIST_INDEXES * * Lists all indexes in a collection. * * @usage = $this- mongo_db- list_indexes($collection); public function list_indexes($collection = "") { if (emptyempty($collection)) { $this- error("No Mongo collection specified to remove all indexes from", 500); } return($this- db- {$collection}- getIndexInfo()); * DROP COLLECTION * * Removes the specified collection from the database. Be careful because this * can have some very large issues in production! public function drop_collection($collection = "") { if (emptyempty($collection)) { $this- error("No Mongo collection specified to drop from database", 500); } $this- db- {$collection}- drop(); return TRUE; * CLEAR * * Resets the class variables to default settings private function clear() { $this- selects = array(); $this- wheres = array(); $this- limit = NULL; $this- offset = NULL; $this- sorts = array(); * WHERE INITIALIZER * * Prepares parameters for insertion in $wheres array(). private function where_init($param) { if (!isset($this- wheres[$param])) { $this- wheres[$param] = array(); public function error($str, $t) { echo $str; exit; 使用范例:$table_name=trim(strtolower($this- table_name)); $this- mongo_db- where($where); $order=!emptyempty($order) array('AID'= 'DESC'):array('AID'= 'ASC');//升序降序 $infos=$this- mongo_db- listinfo($table_name,$order,$page,$pagesize);

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