标签:des blog class code java int
mongodb的一个简单使用。
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 |
package
com.chuntent.mongo; import java.util.Map; import java.util.Map.Entry; import com.mongodb.BasicDBObject; import com.mongodb.DB; import com.mongodb.DBCollection; import com.mongodb.Mongo; public
class MongoTool { private
Mongo mg = null ; public
MongoTool(){ try { mg = new
Mongo( "192.168.93.99" , 10001 ); } catch (Exception e){ e.printStackTrace(); } } public
boolean initConnection(String url , int
port){ try { mg = new
Mongo(url, port); return
true ; } catch (Exception e){ e.printStackTrace(); return
false ; } } /** * @Description 向mongodb中插入数据 * @param dbname db名称 * @param collectonname 表名 * @param map 要插入的数据 * @return */ public
boolean insert(String dbname , String collectonname , Map<String , String> map){ try { DB db = mg.getDB(dbname); DBCollection conn = db.getCollection(collectonname); for (Entry<String , String> en : map.entrySet()){ BasicDBObject objDB = new
BasicDBObject(); objDB.put(en.getKey() , en.getValue()); conn.save(objDB); } return
true ; } catch (Exception e){ e.printStackTrace(); return
false ; } } /** * @Description 关闭链接 */ public
void closeConnection(){ mg.close(); } public
static void main(String[] args) { try { } catch (Exception e){ e.printStackTrace(); } } } |
标签:des blog class code java int
原文地址:http://www.cnblogs.com/nocml/p/3714130.html