java編寫創(chuàng)建數(shù)據(jù)庫(kù)和表的程序

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();        }    }

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