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.setUrl("jdbc:sqlite:hp.db"); 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")); } } }
Java 操作sqllite 数据库,生成db文件
猜你喜欢
转载自hpgary.iteye.com/blog/2383347
今日推荐
周排行