java sqlite 操作

java sqlite 库





https://static.runoob.com/download/sqlite-jdbc-3.7.2.jar

import org.springframework.jdbc.datasource.DriverManagerDataSource;

import java.sql.Connection;
import java.sql.DriverManager;
import java.sql.ResultSet;
import java.sql.SQLException;
import java.sql.Statement;

public class Sample
{
    public static void main(String[] args)
    {
        Connection connection = null;
        try
        {
            // create a database connection
            Class.forName("org.sqlite.JDBC");  //重点
            connection = DriverManager.getConnection("jdbc:sqlite:sample.db");
            Statement statement = connection.createStatement();
            statement.setQueryTimeout(30);  // 设置超时为30秒

            statement.executeUpdate("drop table if exists person");  //创建数据库
            statement.executeUpdate("create table person (id integer, name string)");  //创建表
            statement.executeUpdate("insert into person values(1, 'leo')");  //添加
            statement.executeUpdate("insert into person values(2, 'yui')");  //添加
            ResultSet rs = statement.executeQuery("select * from person");
            while(rs.next())
            {
                // read the result set
                System.out.println("name = " + rs.getString("name"));
                System.out.println("id = " + rs.getInt("id"));
            }
        }
        catch(Exception e)
        {
            // if the error message is "out of memory",
            // it probably means no database file is found
            System.err.println(e.toString());
        }
        finally
        {
            try
            {
                if(connection != null)
                    connection.close();
            }
            catch(SQLException e)
            {
                // connection close failed.
                System.err.println(e);
            }
        }
    }
}

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