sqlite的java使用
星期三, 2011-06-08 | Author: Lee | JAVA-and-J2EE, linux | 5,012 views
sqlite大名鼎鼎的文本存储,支持sql的方式和带事务支持,sqlite是c写的,官方没有java的api使用,在开源中找到2中方式:
SQLiteJDBC:http://www.zentus.com/sqlitejdbc/,这是一个纯Java的实现,无需安装sqlite,官方号称用c转成java的实现方式,用起来相当方便,引入此jar即可,方便使用,可能效率会慢点;
SQLite Java Wrapper: http://www.ch-werner.de/javasqlite,安装的时候需要本地库,比如windows下的dll文件,和SQLiteJDBC的优缺点相反,还要自行去编译,比较麻烦;
下面是 使用SQLiteJDBC的应用:
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 | package com.i5a6.sqlite.test; import java.sql.Connection; import java.sql.DriverManager; import java.sql.PreparedStatement; import java.sql.ResultSet; import java.sql.Statement; public class Test { public static void main(String[] args) throws Exception { Class.forName("org.sqlite.JDBC"); Connection conn = DriverManager.getConnection("jdbc:sqlite:i5a6.db"); Statement stat = conn.createStatement(); stat.executeUpdate("drop table if exists people;"); stat.executeUpdate("create table people (name, occupation);"); PreparedStatement prep = conn .prepareStatement("insert into people values (?, ?);"); prep.setString(1, "Gandhi"); prep.setString(2, "politics"); prep.addBatch(); prep.setString(1, "Turing"); prep.setString(2, "computers"); prep.addBatch(); prep.setString(1, "中文国际"); prep.setString(2, "i5a6"); prep.addBatch(); conn.setAutoCommit(false); prep.executeBatch(); conn.setAutoCommit(true); ResultSet rs = stat.executeQuery("select * from people;"); while (rs.next()) { System.out.println("name = " + rs.getString("name")); System.out.println("job = " + rs.getString("occupation")); } rs.close(); conn.close(); } } |
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