本文示例可見一斑了,主要是通過(guò)java對(duì)sql語(yǔ)句進(jìn)行操作,和普通的增刪改查的原理是一樣的:
import java.sql.*; public class Test { public static void main(String[] args) throws Exception { Class.forName("com.mysql.jdbc.Driver"); //一開始必須填一個(gè)已經(jīng)存在的數(shù)據(jù)庫(kù) String url = "jdbc:mysql://localhost:3306/test?useUnicode=true&characterEncoding=utf-8"; Connection conn = DriverManager.getConnection(url, "root", "123456"); Statement stat = conn.createStatement(); //創(chuàng)建數(shù)據(jù)庫(kù)hello stat.executeUpdate("create database hello"); //打開創(chuàng)建的數(shù)據(jù)庫(kù) stat.close(); conn.close(); url = "jdbc:mysql://localhost:3306/hello?useUnicode=true&characterEncoding=utf-8"; conn = DriverManager.getConnection(url, "root", "123456"); stat = conn.createStatement(); //創(chuàng)建表test stat.executeUpdate("create table test(id int, name varchar(80))"); //添加數(shù)據(jù) stat.executeUpdate("insert into test values(1, '張三')"); stat.executeUpdate("insert into test values(2, '李四')"); //查詢數(shù)據(jù) ResultSet result = stat.executeQuery("select * from test"); while (result.next()) { System.out.println(result.getInt("id") + " " + result.getString("name")); } //關(guān)閉數(shù)據(jù)庫(kù) result.close(); stat.close(); conn.close(); } }
? 版權(quán)聲明
文章版權(quán)歸作者所有,未經(jīng)允許請(qǐng)勿轉(zhuǎn)載。
THE END