JavaSE15_JDBC编程之Java链接Sqlite

JDBC编程之Java链接Sqlite

1. 下载驱动SQLite Xerial Driver

2. 编辑Demo

package com.hoonee.javase.jdbc;

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

/**
* JDBC编程之链接Sqlite数据库
*
* @author Hoonee
* @mail hoonee@163.com
*/
public class SqliteDemo {
public static void main(String[] args) {

// 每次执行程序时，删除原来的数据库
File demoDbFile = new File("src/com/hoonee/javase/jdbc/demo.db");
if (demoDbFile.exists()) {
demoDbFile.delete();
}

// 导入数据库驱动
try {

Class.forName("org.sqlite.JDBC");
System.out.println("Load sqlite Driver sucess!");
} catch (java.lang.ClassNotFoundException e) {

System.out.println("Fail to Load sqlite Driver!");
System.out.println(e.getMessage());

}
try {
// 链接数据库
String url = "jdbc:sqlite:src/com/hoonee/javase/jdbc/demo.db";
Connection conn = DriverManager.getConnection(url);
System.out.println("get connection sucessfully!");

Statement stmt = conn.createStatement();
System.out.println("create statement sucessfully!");

// 创建表
stmt.execute("CREATE TABLE t_demo(id integer primary key, name char(10))");

// 插入数据
stmt.execute("INSERT INTO t_demo(id, name) VALUES(1, 'sqlite')");
stmt.execute("INSERT INTO t_demo(id, name) VALUES(2, 'mysql')");

// 查询数据
ResultSet rs = stmt.executeQuery("SELECT * FROM t_demo");
System.out.println("execute query sucessfully!");
System.out.println("id\tname");
while (rs.next()) {
String id = rs.getString("id");
String name = rs.getString("name");
System.out.println(id + "\t" + name);
}

// 关闭数据库资源
stmt.close();
System.out.println("close statement sucessfully!");
conn.close();
System.out.println("close connection sucessfully!");
}

catch (SQLException e) {
System.out.println("Fail！");
System.out.println(e.getMessage());
}
}
}