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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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