- 1、php 連接mysql 代碼 端口號是3307!
- 2、配置windows 2003+php+mysql如何配置,需要哪些東西
- 3、php表單寫入mysql數據庫的代碼
php連接mysql腳本如下:
$host = ‘mysql服務器ip或域名’;
$port = 3307;//mysql端口號,默認為3306,此處為3307
$user = ‘mysql用戶名’;
$pwd = ‘密碼’;
$link = @mysql_connect(“{$host}:{$port}”, $user, $pwd, true);
if(!$link) {
die(‘Database Connect Error:’.mysql_error());
}
mysql_connect函數介紹:
mysql_connect — 打開一個到 MySQL 服務器的連接
resource mysql_connect ([ string $server [, string $username [, string $password [, bool $new_link [, int $client_flags ]]]]] )
打開或重複使用一個到 MySQL 服務器的連接
server:MySQL 服務器。可以包括端口號,例如 “hostname:port”,或者到本地套接字的路徑,例如對於 localhost 的 “:/path/to/socket”。
username:用戶名。
password:密碼。
new_link(4.2.0添加):如果用同樣的參數第二次調用mysql_connect(),將不會建立新連接,而將返回已經打開的連接標識。參數new_link 改變此行為並使mysql_connect() 總是打開新的連接,甚至當mysql_connect() 曾在前面被用同樣的參數調用過。
client_flags(4.3.0添加):client_flags參數可以是以下常量的組合:MYSQL_CLIENT_SSL,MYSQL_CLIENT_COMPRESS,MYSQL_CLIENT_IGNORE_SPACE或MYSQL_CLIENT_INTERACTIVE。
返回值
如果成功則返回一個 MySQL 連接標識, 或者在失敗時返回 FALSE。
ersistent = On ; 允許或禁止 持久連接
mysql.max_persistent = -1 ; 持久連接的最大數。-1 代表無限制
mysql.max_links = -1 ; 連接的最大數目(持久和非持久)。-1 代表無限制
mysql.default_port = ; mysql_connect() 使用的默認端口,如不設置,mysql_connect()
; 將使用變量 $MYSQL_TCP_PORT,或在/etc/services 下的mysql-tcp 條目(unix),
; 或在編譯是定義的 MYSQL_PORT(按這樣的順序)
; Win32環境,將僅檢查MYSQL_PORT。
mysql.default_socket = ; 用於本地 MySql 連接的默認的套接字名。為空,使用 MYSQL 內建值
mysql.default_host = ; mysql_connect() 默認使用的主機(安全模式下無效)
mysql.default_user = ; mysql_connect() 默認使用的用戶名(安全模式下無效)
mysql.default_password = ; mysql_connect() 默認使用的密碼(安全模式下無效)
; 注意,在這個文件下保存密碼通常是一個*壞*主意
; *任何*可以使用PHP訪問的用戶可以運行
; ‘echo cfg_get_var(“mysql.default_password”‘來顯示那個密碼!
; 而且當然地,任何有讀該文件權力的用戶也能看到那個密碼
!–表單文件,拷入index.php–
!DOCTYPE html
html
head
style
label{display:inline-block;width:100px;margin-bottom:10px;}
/style
titleAdd students/title
/head
body
!– 數據庫用mysqli 面向過程調用方法–
form method=”post” action=”write2db.php”
!–數據庫用mysqli 面向過程調用方法
form method=”post” action=”write2db_sqlio.php”
—
!–數據庫用PDO調用方法
form method=”post” action=”write2db_pdo.php”
—
labelFirst Name/label
input type=”text” name=”first_name” /
br /
labelLast Name/label
input type=”text” name=”last_name” /
br /
labeldepartment/label
input type=”text” name=”department” /
br /
labelEmail/label
input type=”text” name=”email” /
br /
input type=”submit” value=”Add students”
/form
/body
/html
——————————
?php
//拷貝命名為write2db.php,數據庫用mysqli 面向過程調用方法
//print_r($_POST);
// create a variable
$first_name=$_POST[‘first_name’];
$last_name=$_POST[‘last_name’];
$department=$_POST[‘department’];
$email=$_POST[’email’];
//調試用
echo “Your input: “;
echo $first_name;
echo ‘br /’;
echo $last_name;
echo ‘br /’;
echo $department;
echo ‘br /’;
echo $email;
echo ‘br /’;
$servername = “localhost”;
//Your database username and password
//$username = “username”;
//$password = “password”;
$username = “tester”;
$password = “testerPassword”;
//your database name
$dbname = “test”;
$tablename =”student”;
// Create connection
$connect = mysqli_connect($servername, $username, $password, $dbname);
if (!$connect) {
die(“Connection failed: ” . mysqli_connect_error());
}
//Execute the query
$sql=”INSERT INTO $tablename (first_name,last_name,department,email)
VALUES(‘$first_name’,’$last_name’,’$department’,’$email’)”;
if (mysqli_query($connect, $sql)) {
echo “Hooray! New record is inserted to database successfully. Please check database.”;
} else {
echo “Error: ” . $sql . “br /” . mysqli_error($connect);
}
mysqli_close($connect);
?
?php
//拷貝命名為write2db_sqlio.php,數據庫用mysqli 面向對象調用方法
//print_r($_POST);
// create a variable
$first_name=$_POST[‘first_name’];
$last_name=$_POST[‘last_name’];
$department=$_POST[‘department’];
$email=$_POST[’email’];
//調試用
echo “Your input: “;
echo $first_name;
echo ‘br /’;
echo $last_name;
echo ‘br /’;
echo $department;
echo ‘br /’;
echo $email;
echo ‘br /’;
$servername = “localhost”;
//Your database username and password
//$username = “username”;
//$password = “password”;
$username = “tester”;
$password = “testerPassword”;
//database name
$dbname = “test”;
$tablename =”student”;
// Create connection
$conn = new mysqli($servername, $username, $password, $dbname);
// Check connection
if ($conn-connect_error) {
die(“Connection failed: ” . $conn-connect_error);
}
$sql=”INSERT INTO $tablename (first_name,last_name,department,email)
VALUES(‘$first_name’,’$last_name’,’$department’,’$email’)”;
if ($conn-query($sql) === TRUE) {
echo “New record created successfully”;
} else {
echo “Error: ” . $sql . “br” . $conn-error;
}
$conn-close();
?
?php
//拷貝為文件write2db_pdo.php,數據庫用PDO調用方法
//print_r($_POST);
a variable
$first_name=$_POST[‘first_name’];
$last_name=$_POST[‘last_name’];
$department=$_POST[‘department’];
$email=$_POST[’email’];
//調試用
echo “Your input: “;
echo $first_name;
echo ‘br /’;
echo $last_name;
echo ‘br /’;
echo $department;
echo ‘br /’;
echo $email;
echo ‘br /’;
$servername = “localhost”;
//Your database username and password
//$username = “username”;
//$password = “password”;
$username = “tester”;
$password = “testerPassword”;
//your database name
$dbname = “test”;
$tablename =”student”;
// Create connection
try {
$conn = new PDO(“mysql:host=$servername;dbname=$dbname”, $username, $password);
// set the PDO error mode to exception
$conn-setAttribute(PDO::ATTR_ERRMODE, PDO::ERRMODE_EXCEPTION);
$sql=”INSERT INTO $tablename (first_name,last_name,department,email)
VALUES(‘$first_name’,’$last_name’,’$department’,’$email’)”;
// use exec()
$conn-exec($sql);
echo “New record created successfully”;
}
catch(PDOException $e)
{
echo $sql . “br” . $e-getMessage();
}
$conn = null;
?
–創建數據庫test, 將此文件存為test.sql 導入數據庫,或者手動創建表結構
— phpMyAdmin SQL Dump
— version 4.7.4
—
—
— Host: 127.0.0.1:3306
— Generation Time: Mar 12, 2018 at 04:04 AM
— Server version: 5.7.19
— PHP Version: 7.1.9
SET SQL_MODE = “NO_AUTO_VALUE_ON_ZERO”;
SET AUTOCOMMIT = 0;
START TRANSACTION;
SET time_zone = “+00:00”;
/*!40101 SET @OLD_CHARACTER_SET_CLIENT=@@CHARACTER_SET_CLIENT */;
/*!40101 SET @OLD_CHARACTER_SET_RESULTS=@@CHARACTER_SET_RESULTS */;
/*!40101 SET @OLD_COLLATION_CONNECTION=@@COLLATION_CONNECTION */;
/*!40101 SET NAMES utf8mb4 */;
—
— Database: `test`
—
— ——————————————————–
—
— Table structure for table `student`
—
DROP TABLE IF EXISTS `student`;
CREATE TABLE IF NOT EXISTS `student` (
`id` tinyint(3) UNSIGNED NOT NULL AUTO_INCREMENT,
`first_name` varchar(20) NOT NULL,
`last_name` varchar(20) NOT NULL,
`department` varchar(50) NOT NULL,
`email` varchar(50) NOT NULL,
PRIMARY KEY (`id`)
) ENGINE=MyISAM AUTO_INCREMENT=2 DEFAULT CHARSET=utf8;
—
— Dumping data for table `student`
—
INSERT INTO `student` (`id`, `first_name`, `last_name`, `department`, `email`) VALUES
(1, ‘first1’, ‘last1’, ‘cs’, ‘1985@qq.com’);
COMMIT;
/*!40101 SET CHARACTER_SET_CLIENT=@OLD_CHARACTER_SET_CLIENT */;
/*!40101 SET CHARACTER_SET_RESULTS=@OLD_CHARACTER_SET_RESULTS */;
/*!40101 SET COLLATION_CONNECTION=@OLD_COLLATION_CONNECTION */;
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