Java动态创建MySQL数据库

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import java.sql.Connection;
import java.sql.DriverManager;
import java.sql.ResultSet;
import java.sql.SQLException;
import java.sql.Statement;

public class CreateDataSource {

/**

• @param args
  */
  public static void main(String[] args) {
  // TODO Auto-generated method stub
  String database = "test2";//准备创建的数据库名
  new CreateDataSource().getConn(database);
  }

String mysqlDriver = "com.mysql.jdbc.Driver";
String url = "jdbc:mysql://localhost:3306/test1";//当前可以连接的本地数据库
String newUrl = "jdbc:mysql://localhost:3306/";
String username = "root";
String password = "root";
Connection conn = null;
Connection newConn = null;

public Connection getConn(String database) {

try {
Class.forName(mysqlDriver);
} catch (ClassNotFoundException e) {
// TODO Auto-generated catch block
e.printStackTrace();
}
try {
String tableSql = "create table t_user (username varchar(50) not null primary key,"

• "password varchar(20) not null ); ";
  String databaseSql = "create database " + database;

conn = DriverManager.getConnection(url, username, password);
Statement smt = conn.createStatement();
if (conn != null) {
System.out.println("数据库连接成功!");

smt.executeUpdate(databaseSql);

newConn = DriverManager.getConnection(newUrl + database,
username, password);
if (newConn != null) {
System.out.println("已经连接到新创建的数据库：" + database);

Statement newSmt = newConn.createStatement();
int i = newSmt.executeUpdate(tableSql);//DDL语句返回值为0;
if (i == 0) {
System.out.println(tableSql + "表已经创建成功!");
}
}
}

} catch (SQLException e1) {
// TODO Auto-generated catch block
e1.printStackTrace();
}
return conn;
}
}
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