核心代码
|
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
368
369
370
371
372
373
374
375
376
377
378
379
380
381
382
383
384
385
386
387
388
389
390
391
392
393
394
395
396
397
398
399
400
401
402
403
404
405
406
407
408
409
410
411
412
413
414
415
416
417
418
419
420
421
422
423
424
425
426
427
428
429
430
431
432
433
434
435
436
437
438
439
440
441
442
443
444
445
446
447
448
449
450
451
452
453
454
455
456
457
458
459
460
461
462
463
464
465
466
467
468
469
470
471
472
473
474
475
476
477
478
479
480
481
482
483
484
485
486
487
488
489
490
491
492
493
494
495
496
497
498
499
500
501
502
503
504
505
506
507
508
509
510
511
512
513
514
515
516
517
518
519
520
521
522
523
524
525
526
527
528
529
530
531
532
|
<?php/* * To change this template, choose Tools | Templates * and open the template in the editor. */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_key; private $selects = array(); private $wheres = array(); private $sorts = array(); private $limit = 999999; private $offset = 0; private $timeout = 200; private $key = 0; /** * -------------------------------------------------------------------------------- * CONSTRUCTOR * -------------------------------------------------------------------------------- * * Automatically check if the Mongo PECL extension has been installed/enabled. * Generate the connection string and establish a connection to the MongoDB. */ public function __construct() { if((IS_NOSQL != 1)){ return; } if (!class_exists('Mongo')) { //$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 value 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:
|
1
2
3
4
|
$table_name=trim(strtolower($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); |
这篇文章就到这结束了，大家可以多学习一下
