java连接数据库

create database Test;

use Student

create table student(id int primary key,varchar(20) name);

 1 import  java.sql.Connection;
 2 import java.sql.DriverManager;
 3 import java.sql.Statement;
 4 
 5 public class DBConnect {
 6     
 7     //驱动程序名
 8     private String driver = "com.mysql.jdbc.Driver";
 9     
10     //url指向要访问的数据库名
11     private String url = "jdbc:mysql://localhost/test";
12     
13     //mysql配置时候的用户名和密码
14     private String user = "root";
15     private String password = "root";
16     
17     public void getConnect(){
18         try {
19             //加载驱动程序
20             Class.forName(driver);
21             
22             //连接数据库
23             Connection conn = DriverManager.getConnection(url,user,password);
24             
25             if(!conn.isClosed()){
26                 System.out.println("Database is connected successful!");
27                 
28                 //Statement用于执行SQL语句
29                 Statement state = conn.createStatement();
30                 
31                 String sql = "insert into user (id,namea) values(1,‘database‘)";
32                 
33                 state.executeUpdate(sql);
34             }
35         } catch (Exception e) {
36             e.printStackTrace();
37         }
38     }
39     
40     public static void main(String[] args){
41         DBConnect dbc  = new DBConnect();
42         dbc.getConnect();
43     }
44 }