java 鏈接mysql數據庫並建立表

java連接mysql數據庫須要驅動包，那麼咱們先去下載驅動包http://dev.mysql.com/downloads/connector/j/，驅動包就是一個jar包裏面包含了咱們要使用的類、方法等

。將下載的驅動包導入咱們的項目，就能夠寫程序建立咱們的表了。具體能夠查閱API文檔https://docs.oracle.com/javase/8/docs/api/overview-summary.html

 1 import java.sql.*;
 2 public class Linksql {
 3 
 4     //我麼要執行建立表的DDl語句
 5     static String creatsql = "CREATE TABLE pepole("
 6             + "name varchar(10) not null,"
 7             + "age int(4) not null"
 8             + ")charset=utf8;";
 9 
10     final static String JDBC_DRIVER = "com.mysql.jdbc.Driver";
11         //指定鏈接數據庫的url
12     final static String DB_URL = "jdbc:mysql://localhost/student";
13     //mysql用戶名
14     final static String name = "root";
15         //mysql密碼
16     final static String pwd = "pwd";
17     public static void main(String[] args)
18     {
19       Connection conn = null;
20       Statement stmt = null;
21       try
22       {
23           //註冊jdbc驅動
24           Class.forName(JDBC_DRIVER);
25           //打開鏈接
26           System.out.println("//鏈接數據庫");
27           conn = DriverManager.getConnection(DB_URL,name,pwd);
28           //執行建立表
29           System.out.println("//建立表");
30           stmt = conn.createStatement();
31          if(0 == stmt.executeLargeUpdate(creatsql))
32          {
33              System.out.println("成功建立表！");
34          }
35          else
36          {
37              System.out.println("建立表失敗！");
38          }
39          //
40           stmt.close();
41           conn.close();
42           System.out.println("//關閉資源");
43       }
44       catch(Exception e)
45       {
46           System.out.println("建立表失敗！");
47           e.printStackTrace();
48       }
49     }
50 }
51