mongodb test practice

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mongodb test practice

这几天接触了NOSQL数据库mongodb，做了一些测试练习，在此整理一下。

Php代码

1. 
   
2. /**
   
3. * mongodb {name:'mongo', type=>'db'}
   
4. * Test practice
   
5. *
   
6. * @author flyer0126
   
7. * @date 2011/08/31
   
8. */
   
9. 
   
10. // connect (connect the unit 27017 port default).
    
11. $mongo = new Mongo();
    
12. 
    
13. //Lists all of the databases available.
    
14. $dbs = $mongo->listDBs();
    
15. 
    
16. //Gets a database named 'flyer'.
    
17. $flyerdb = $mongo->selectDB('flyer');
    
18. 
    
19. //Get a list of collections in 'flyerdb' database.
    
20. $flyers = $flyerdb->listCollections();
    
21. 
    
22. //Gets a collection named 'flyer0126'.
    
23. $flyer0126 = $flyerdb->selectCollection('flyer0126');
    
24. 
    
25. //record array.
    
26. $obj = array('title'=>'测试标题', 'author'=>'测试作者', 'created'=>date('Y-m-d H:i:s'));
    
27. 
    
28. //Saves $obj1 to this collection.
    
29. $flyer0126->save($obj);
    
30. 
    
31. //Counts the number of documents where {title:'测试标题1'} in this collection.
    
32. $number = $flyer0126->count(array('title'=>'测试标题'));
    
33. 
    
34. //Querys this collection $flyer0126.
    
35. $res = $flyer0126->find();
    
36. foreach ($res as $obj){
    
37.         print_r($obj);
    
38.         echo "<br/>";
    
39. }
    
40. 
    
41. //echo content:
    
42. /*Array ( [_id] => MongoId Object ( [$id] => 4e5d979d250813880c000016 ) [title] => 测试标题 [author] => 测试作者 [created] => 2011-08-31 10:08:29 )*/
    
43. 
    
44. //Querys this collection, returning a single element(Similar to 'limit 1' in sql).
    
45. $res1 = $flyer0126->findOne();
    
46. print_r($res1);
    
47. echo "<br/>";
    
48. 
    
49. //echo content:
    
50. /*Array ( [_id] => MongoId Object ( [$id] => 4e5d979d250813880c000016 ) [title] => 测试标题 [author] => 测试作者 [created] => 2011-08-31 10:08:29 )*/
    
51. 
    
52. //Update records based on a given criteria.
    
53. $flyer0126->update(array('title'=>'测试标题'), array('$set' => array('title'=>'测试标题test')));
    
54. 
    
55. //Querys this collection 'flyer0126'.
    
56. $res = $flyer0126->find();
    
57. foreach ($res as $obj){
    
58.         print_r($obj);
    
59.         echo "<br/>";
    
60. }
    
61. 
    
62. //echo content:
    
63. /*Array ( [_id] => MongoId Object ( [$id] => 4e5d979d250813880c000016 ) [author] => 测试作者 [created] => 2011-08-31 10:08:29 [title] => 测试标题test )*/
    
64. 
    
65. //Remove records from this collection.
    
66. $flyer0126->remove(array('title'=>'测试标题'));
    
67. 
    
68. //Drops this collection 'flyer0126'.
    
69. $flyer0126->drop('flyer0126');
    
70. 
    
71. //Drops a database 'flyer'.
    
72. $mongo->dropDB('flyer');

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