本文示例可见一斑了,主要是通过Java对SQL语句进行操作,和普通的增删改查的原理是一样的:
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import java.sql.*;
public class Test
{
public static void main(String[] args) throws Exception
{
Class.forName( "com.mysql.jdbc.Driver" );
//一开始必须填一个已经存在的数据库
String url = "jdbc:mysql://localhost:3306/test?useUnicode=true&characterEncoding=utf-8" ;
Connection conn = DriverManager.getConnection(url, "root" , "123456" );
Statement stat = conn.createStatement();
//创建数据库hello
stat.executeUpdate( "create database hello" );
//打开创建的数据库
stat.close();
conn.close();
url = "jdbc:mysql://localhost:3306/hello?useUnicode=true&characterEncoding=utf-8" ;
conn = DriverManager.getConnection(url, "root" , "123456" );
stat = conn.createStatement();
//创建表test
stat.executeUpdate( "create table test(id int, name varchar(80))" );
//添加数据
stat.executeUpdate( "insert into test values(1, '张三')" );
stat.executeUpdate( "insert into test values(2, '李四')" );
//查询数据
ResultSet result = stat.executeQuery( "select * from test" );
while (result.next())
{
System.out.println(result.getInt( "id" ) + " " + result.getString( "name" ));
}
//关闭数据库
result.close();
stat.close();
conn.close();
}
}
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以上就是本文的全部内容,希望对大家的学习有所帮助,也希望大家多多支持服务器之家。
原文链接:http://www.cnblogs.com/kings-9/archive/2017/10/05/7629232.html