< ?php
$mysql_server_name='localhost'
//改成自己的mysql数据库服务器
$mysql_username='root'
//改成自己的mysql数据库用户名
$mysql_password='12345678'
//改成自己的mysql数据库密码
$mysql_database='mycounter'
//改成自己的mysql数据库名
$conn=mysql_connect($mysql_server_name,
$mysql_username,$mysql_password,
$mysql_database)
$sql='CREATE DATABASE mycounter
DEFAULT CHARACTER SET gbk COLLATE gbk_chinese_ci
'
mysql_query($sql)
$sql='CREATE TABLE `counter`
(`id` INT(255) UNSIGNED NOT NULL
AUTO_INCREMENT ,`count` INT(255)
UNSIGNED NOT NULL DEFAULT 0,PRIMARY KEY
( `id` ) ) TYPE = innodb'
mysql_select_db($mysql_database,$conn)
$result=mysql_query($sql)
//echo $sql
mysql_close($conn)
echo "Hello!数据库mycounter已经成功建立!"
?>
PHP连接数据库之PHP连接ACCESS数据库代码方法
< ?
$conn = new com("ADODB.Connection")
$connstr = "DRIVER={Microsoft
Access Driver (*.mdb)}
DBQ=". realpath("data/db.mdb")
$conn->Open($connstr)
$rs = new com("ADODB.RecordSet")
$rs->Open("select *
from szd_t",$conn,1,1)
while(! $rs->eof) {
$f = $rs->Fields(1)
echo $f->value
$rs->MoveNext()
}
?>
package mysqlimport java.sql.*
/**
* @author xys
*/
public class ConnectMysql {
public static Connection getConnection() throws ClassNotFoundException, SQLException {
String url = "jdbc:mysql://localhost:3306/databaseName"
String user = "mysqluser"
String password = "password"
String driverClass = "com.mysql.cj.jdbc.Driver"
Connection connection = null
Class.forName(driverClass)
try {
connection = DriverManager.getConnection(url, user, password)
} catch (SQLException e) {
e.printStackTrace()
}
if (connection != null) {
System.out.println("数据库连接成功")
} else {
System.out.println("数据库连接失败")
connection.close()
}
return connection
}
public void getResult() throws ClassNotFoundException, SQLException {
// 实例化 Statement 对象
Statement statement = getConnection().createStatement()
// 要执行的 Mysql 数据库 *** 作语句(增、删、改、查)
String sql = ""
// 展开结果集数据库
ResultSet resultSet = statement.executeQuery(sql)
while (resultSet.next()) {
// 通过字段检索
int id = resultSet.getInt("id")
String name = resultSet.getString("name")
// 输出数据
System.out.println("ID : " +id)
System.out.println("name :" + name)
}
// 完成后需要依次关闭
resultSet.close()
statement.close()
getConnection().close()
}
}
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