相続、親が弱ってきたら銀行の預金は親の面倒を見ているものが全て解約して管理すべきである、銀行は解約させない!!

players mysql php

MySQL

mysql -u root -p

create database players;

use players;

GRANT SELECT,UPDATE,INSERT,DELETE ON players.* TO ‘user’@’localhost’;

CREATE TABLE `players` ( `id` int(11) NOT NULL auto_increment, `firstname` varchar(32) NOT NULL, `lastname` varchar(32) NOT NULL, PRIMARY KEY (`id`) ) ENGINE=MyISAM DEFAULT CHARSET=utf8 AUTO_INCREMENT=5 ;

INSERT INTO players (firstname,lastname) VALUES(‘孝彦’, ‘藤本’);
INSERT INTO players (firstname,lastname) VALUES(‘かよ子’, ‘藤本’);
INSERT INTO players (firstname,lastname) VALUES(‘太郎’, ‘藤本’);
INSERT INTO players (firstname,lastname) VALUES(‘花子’, ‘藤本’);

mkdir /var/www/html/playes
vi /var/www/html/players/connect-db.php

<?php
// mysql server 接続設定情報
$server = 'localhost';
$user = 'user';
$pass = 'パスワード';
$db = 'players';

// データーベース接続手続
$mysqli = new mysqli($server, $user, $pass, $db);

// エラーの表示 開発が終了したら削除する
mysqli_report(MYSQLI_REPORT_ERROR);
?>


vi /var/www/html/players/view.php
<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01//EN" "http://www.w3.org/TR/html4/strict.dtd">
<html>
<head>
<title>View Records</title>
<meta http-equiv="Content-Type" content="text/html; charset=utf-8"/>
</head>
<body>

<h1>View Records</h1>

<p><b>View All</b> | <a href="view-paginated.php">View Paginated</a></p>

<?php
// connect to the database
include('connect-db.php');

// get the records from the database
//$resultにデーターがあれば
if ($result = $mysqli->query("SELECT * FROM players ORDER BY id"))
{
// display records if there are records to display
//レコードが0以上であれば
if ($result->num_rows > 0)
{
// display records in a table
// テーブとして表示する
echo "<table border='1' cellpadding='10'>";

// set table headers
//テーブルのヘッダー表示
echo "<tr><th>ID</th><th>First Name</th><th>Last Name</th><th></th><th></th></tr>";

while ($row = $result->fetch_object())
{
// set up a row for each record
//テーブルのデーター表示
echo "<tr>";
echo "<td>" . $row->id . "</td>";
echo "<td>" . $row->firstname . "</td>";
echo "<td>" . $row->lastname . "</td>";
echo "<td><a href='records.php?id=" . $row->id . "'>Edit</a></td>";
echo "<td><a href='delete.php?id=" . $row->id . "'>Delete</a></td>";
echo "</tr>";
}

echo "</table>";
}
// if there are no records in the database, display an alert message
else
{
echo "No results to display!";
}
}
// show an error if there is an issue with the database query
else
{
echo "Error: " . $mysqli->error;
}

// close database connection
// データーベース接続終了処理
$mysqli->close();

?>

<a href="records.php">Add New Record</a>
</body>
</html>


vi /var/www/html/players/view-paginated.php

<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01//EN" "http://www.w3.org/TR/html4/strict.dtd">
<html>
<head>
<title>レコードを見る</title>
<meta http-equiv="Content-Type" content="text/html; charset=utf-8"/>
</head>
<body>

<h1>レコードを見る</h1>

<?php
// connect to the database
//データーベース接続処理
include('connect-db.php');

// number of results to show per page
//1ページに表示するデーターの行数
$per_page = 3;

// figure out the total pages in the database
//データベースの総ページ数を把握する
if ($result = $mysqli->query("SELECT * FROM players ORDER BY id"))
{
if ($result->num_rows != 0)
{
//全レコードの行数を得る
$total_results = $result->num_rows;
// ceil() returns the next highest integer value by rounding up value if necessary
//ページ数を得る
$total_pages = ceil($total_results / $per_page);
 
// check if the 'page' variable is set in the URL (ex: view-paginated.php?page=1)
// 既にpage変数が設定されているかどうかを確認する
if (isset($_GET['page']) && is_numeric($_GET['page']))
{
//既に設定されている(現在のページ)を$show_page変数に入力
$show_page = $_GET['page'];

// make sure the $show_page value is valid
//$show_pageの値が有効ならば
if ($show_page > 0 && $show_page <= $total_pages)
{
//現在のページの先頭レコード数を設定
$start = ($show_page -1) * $per_page;
//現在のページの最終レコード数を設定
$end = $start + $per_page;
}
else
{
// error - show first set of results
//プログラム開始時の設定
$start = 0;
$end = $per_page;
}
}
else
{
// if page isn't set, show first set of results
$start = 0;
$end = $per_page;
}

// display pagination
echo "<p><a href='view.php'>View All</a> | <b>View Page:</b> ";

//ページ数をカウントする ページ数を表示する
for ($i = 1; $i <= $total_pages; $i++)
{
if (isset($_GET['page']) && $_GET['page'] == $i)
{
//ページ数を順番に水平に表示していく
echo $i . " ";
}
else
{
//ページ数のリンクを順番に表示する
echo "<a href='view-paginated.php?page=$i'>$i</a> ";
}
}
echo "</p>";

// display data in table
echo "<table border='1' cellpadding='10'>";
echo "<tr> <th>ID</th> <th>First Name</th> <th>Last Name</th> <th></th> <th></th></tr>";

// loop through results of database query, displaying them in the table
//該当レコード表示していく
for ($i = $start; $i < $end; $i++)
{
// make sure that PHP doesn't try to show results that don't exist
//該当レコードの最終ならば表示を終了する
if ($i == $total_results) { break; }

// find specific row
//該当レコードのデーターを取得
$result->data_seek($i);
$row = $result->fetch_row();

// echo out the contents of each row into a table
echo "<tr>";
echo '<td>' . $row[0] . '</td>';
echo '<td>' . $row[1] . '</td>';
echo '<td>' . $row[2] . '</td>';
//編集の場合は該当レコードの編集プログラムに移る
echo '<td><a href="records.php?id=' . $row[0] . '">Edit</a></td>';
//削除の場合は該当レコードの削除プログラムに移る
echo '<td><a href="delete.php?id=' . $row[0] . '">Delete</a></td>'; echo "</tr>"; } // close table> echo "</table>"; } else { echo "No results to display!"; } } // error with the query else { echo "Error: " . $mysqli->error; } // close database connection $mysqli->close(); ?> <a href="records.php">Add New Record</a> </body> </html> </html> records.php(新しいレコードの作成/既存のレコードの編集) vi /var/www/html/players/records.php 

vi /var/www/html/playes/records.php

<?php
/*
Allows the user to both create new records and edit existing records
//ユーザーが新しいレコードを作成して既存のレコードを編集できるようにする
*/

// connect to the database
include("connect-db.php");

// creates the new/edit record form
//新しい/編集レコードフォームを作成する
// since this form is used multiple times in this file, I have made it a function that is easily reusable
//このフォームはこのファイルで複数回使用されているので、簡単に再利用できる関数にしました
function renderForm($first = '', $last ='', $error = '', $id = '')
{ ?>
<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01//EN" "http://www.w3.org/TR/html4/strict.dtd">
<html>
<head>
<title>
<?php if ($id != '') { echo "Edit Record"; } else { echo "New Record"; } ?>
</title>
<meta http-equiv="Content-Type" content="text/html; charset=utf-8"/>
</head>
<body>
<h1><?php if ($id != '') { echo "Edit Record"; } else { echo "New Record"; } ?></h1>
<?php if ($error != '') {
echo "<div style='padding:4px; border:1px solid red; color:red'>" . $error
. "</div>";
} ?>

<form action="" method="post">
<div>
<?php if ($id != '') { ?>
<input type="hidden" name="id" value="<?php echo $id; ?>" />
<p>ID: <?php echo $id; ?></p>
<?php } ?>

<strong>First Name: *</strong> <input type="text" name="firstname"
value="<?php echo $first; ?>"/><br/>
<strong>Last Name: *</strong> <input type="text" name="lastname"
value="<?php echo $last; ?>"/>
<p>* required</p>
<input type="submit" name="submit" value="Submit" />
</div>
</form>
</body>
</html>

<?php }



/*

EDIT RECORD

*/
// if the 'id' variable is set in the URL, we know that we need to edit a record
if (isset($_GET['id']))
{
// if the form's submit button is clicked, we need to process the form
if (isset($_POST['submit']))
{
// make sure the 'id' in the URL is valid
if (is_numeric($_POST['id']))
{
// get variables from the URL/form
$id = $_POST['id'];
$firstname = htmlentities($_POST['firstname'], ENT_QUOTES);
$lastname = htmlentities($_POST['lastname'], ENT_QUOTES);

// check that firstname and lastname are both not empty
if ($firstname == '' || $lastname == '')
{
// if they are empty, show an error message and display the form
$error = 'ERROR: Please fill in all required fields!';
renderForm($firstname, $lastname, $error, $id);
}
else
{
// if everything is fine, update the record in the database
if ($stmt = $mysqli->prepare("UPDATE players SET firstname = ?, lastname = ?
WHERE id=?"))
{
$stmt->bind_param("ssi", $firstname, $lastname, $id);
$stmt->execute();
$stmt->close();
}
// show an error message if the query has an error
else
{
echo "ERROR: could not prepare SQL statement.";
}

// redirect the user once the form is updated
header("Location: view.php");
}
}
// if the 'id' variable is not valid, show an error message
else
{
echo "Error!";
}
}
// if the form hasn't been submitted yet, get the info from the database and show the form
else
{
// make sure the 'id' value is valid
if (is_numeric($_GET['id']) && $_GET['id'] > 0)
{
// get 'id' from URL
$id = $_GET['id'];

// get the recod from the database
if($stmt = $mysqli->prepare("SELECT * FROM players WHERE id=?"))
{
$stmt->bind_param("i", $id);
$stmt->execute();

$stmt->bind_result($id, $firstname, $lastname);
$stmt->fetch();

// show the form
renderForm($firstname, $lastname, NULL, $id);

$stmt->close();
}
// show an error if the query has an error
else
{
echo "Error: could not prepare SQL statement";
}
}
// if the 'id' value is not valid, redirect the user back to the view.php page
else
{
header("Location: view.php");
}
}
}



/*

NEW RECORD

*/
// if the 'id' variable is not set in the URL, we must be creating a new record
else
{
// if the form's submit button is clicked, we need to process the form
if (isset($_POST['submit']))
{
// get the form data
$firstname = htmlentities($_POST['firstname'], ENT_QUOTES);
$lastname = htmlentities($_POST['lastname'], ENT_QUOTES);

// check that firstname and lastname are both not empty
if ($firstname == '' || $lastname == '')
{
// if they are empty, show an error message and display the form
$error = 'ERROR: Please fill in all required fields!';
renderForm($firstname, $lastname, $error);
}
else
{
// insert the new record into the database
if ($stmt = $mysqli->prepare("INSERT players (firstname, lastname) VALUES (?, ?)"))
{
$stmt->bind_param("ss", $firstname, $lastname);
$stmt->execute();
$stmt->close();
}
// show an error if the query has an error
else
{
echo "ERROR: Could not prepare SQL statement.";
}

// redirec the user
header("Location: view.php");
}

}
// if the form hasn't been submitted yet, show the form
else
{
renderForm();
}
}

// close the mysqli connection
$mysqli->close();
?>

vi /var/www/html/players/delete.php

<?php

// connect to the database
include('connect-db.php');

// confirm that the 'id' variable has been set
if (isset($_GET['id']) && is_numeric($_GET['id']))
{
// get the 'id' variable from the URL
$id = $_GET['id'];

// delete record from database
if ($stmt = $mysqli->prepare("DELETE FROM players WHERE id = ? LIMIT 1"))
{
$stmt->bind_param("i",$id);
$stmt->execute();
$stmt->close();
}
else
{
echo "ERROR: could not prepare SQL statement.";
}
$mysqli->close();

// redirect user after delete is successful
header("Location: view.php");
}
else
// if the 'id' variable isn't set, redirect the user
{
header("Location: view.php");
}

?>


http://localhost/players/view.php

参考 http://www.killersites.com/community/index.php?/topic/3064-basic-php-system-view-edit-add-delete-records-with-mysqli/
 
 


 
 
MySQLPHP
スポンサーリンク
シェアする
ふじやんをフォローする
スポンサーリンク

コメント