MongoDB小记

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();
        }
    }
}

  

MongoDB小记,布布扣,bubuko.com

MongoDB小记

上一篇:Linux用户和用户组管理


下一篇:qemu 安装ubuntu-server虚拟机