本文主要介绍Java 使用Sqllite 数据库如何生成db文件的实现实例,网上资料不是很多,自己上网搜资料看到的一个实例,希望可以帮助到读者
实现代码:
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
|
import java.sql.Connection; import java.sql.PreparedStatement; import java.sql.ResultSet; import javax.sql.DataSource; import org.apache.commons.dbcp2.BasicDataSource; import org.springframework.jdbc.datasource.DataSourceUtils; public class Main { public static void update(String sql) { DataSource data = getDataSource(); Connection conn = null ; try { conn = data.getConnection(); PreparedStatement ps = conn.prepareStatement(sql); ps.executeUpdate(); } catch (Exception e) { throw new RuntimeException(e.getMessage()); } finally { try { DataSourceUtils.doCloseConnection(conn, dataSource); } catch (Exception e) { } } } protected static BasicDataSource dataSource = null ; public static DataSource getDataSource() { synchronized (Thread. class ) { if ( null == dataSource) { dataSource = new BasicDataSource(); dataSource.setDriverClassName( "org.sqlite.JDBC" ); } } return dataSource; } public static void main(String[] args) throws Exception { update( "drop table if exists COMPANY" ); update( "CREATE TABLE COMPANY (ID INT,cname VARCHAR(40))" ); for ( int x = 0 ; x < 300 ; x++) { update( "insert into COMPANY(id , cname) values(" + x + " ,'xx" + x + "')" ); } PreparedStatement ps = getDataSource().getConnection().prepareStatement( "select * from COMPANY" ); ResultSet rs = ps.executeQuery(); while (rs.next()) { System.out.println(rs.getString( "id" ) + "--" + rs.getString( "cname" )); } } } |
感谢阅读,希望能帮助到大家,谢谢大家对本站的支持!
原文链接:http://hpgary.iteye.com/blog/2383347