<?php
//http://co-19-301.99sv-coco.com/kadai/kadai2/kadai2_advanced_level.php
$dsn = 'mysql:dbname=co_19_301_99sv_coco_com;host=localhost';
$user = 'co-19-301.99sv-coco_c';
$password_db = 'Em4kxvSU';
try{
$dbh = new PDO($dsn, $user, $password_db);
$dbh->setAttribute(PDO::ATTR_ERRMODE, PDO::ERRMODE_EXCEPTION);
}catch(PDOException $e){
print("データベースの接続に失敗しました".$e->getMessage());
die();
}
$isEditMode = 0;
$edit_id = 0;
/////////////////// 入力された名前とコメントのデータを取得 ////////////////
if (isset($_POST["name"]) && isset($_POST["comment"])) {
if($_POST["name"] != "" && $_POST["comment"] != "") {
$_normalAddMode = true;
$edit_id = $_POST["edit_id"];
if ($edit_id) {
$time = date("Y-m-d H:i:s");
$name = $_POST["name"];
$comment = $_POST["comment"];
$password = $_POST["password"];
try {
// クエリの作成(UPDATE)
$query = 'UPDATE kadai2_MySQL_TEST SET name = :name, comment = :comment, time = :time, password = :password WHERE id = :id';
$stmt = $dbh->prepare($query);
// 実行
$stmt->execute(array(':name' => $name, ':comment' => $comment, ':time' => $time, ':password' => $password, ':id' => $edit_id));
}catch(PDOException $e){
print("データベースの接続に失敗しました");
die();
}
$_normalAddMode = false;
$isEditMode = 0;
}
if ($_normalAddMode) {
if($_POST["password"] != "") {
// $fp = fopen("input_data_with_password.txt", "a+");
$time = date("Y-m-d H:i:s");
$name = $_POST["name"];
$comment = $_POST["comment"];
$password = $_POST["password"];
try{
$dbh = new PDO($dsn, $user, $password_db);
$dbh->setAttribute(PDO::ATTR_ERRMODE, PDO::ERRMODE_EXCEPTION);
// クエリの作成(INSERT)
$query = 'INSERT INTO kadai2_MySQL_TEST(name, comment, time, password) VALUES(:name, :comment, :time, :password)';
$stmt = $dbh->prepare($query);
$stmt -> bindValue(':name', $name, PDO::PARAM_STR_CHAR);
$stmt -> bindValue(':comment', $comment, PDO::PARAM_STR_CHAR);
$stmt -> bindValue(':time', (string)$time, PDO::PARAM_STR_CHAR);
$stmt -> bindValue(':password', $password, PDO::PARAM_STR_CHAR);
// 実行
$stmt->execute();
}catch(PDOException $e){
print("データベースの接続に失敗しました");
die();
}
}
}
}
}
/////////////////// 指定された番号のコメントを削除 ////////////////
if (isset($_POST["delete_number"]) && isset($_POST["password_delete"])) {
$delete_number = $_POST["delete_number"];
$password_delete = $_POST["password_delete"];
$password_delete_check = "";
try {
// 入力された番号に対応したidを見つける
$query = 'SELECT * FROM kadai2_MySQL_TEST';
$stmt = $dbh->query($query);
$count = 0;
$delete_id = 0;
while($row = $stmt->fetch(PDO::FETCH_ASSOC)){
$count++;
$id = $row["id"];
if ($delete_number == $count) $delete_id = $id;
}
// クエリの実行(SELECT)
$query = 'SELECT * FROM kadai2_MySQL_TEST WHERE id =' . $delete_id;
$stmt = $dbh->query($query);
// チェック用のPassword
while($row = $stmt->fetch(PDO::FETCH_ASSOC)){
$password_delete_check = $row["password"];
}
if ($password_delete == $password_delete_check) {
// クエリの作成(DELETE)
$dbh->setAttribute(PDO::ATTR_ERRMODE, PDO::ERRMODE_EXCEPTION);
$query = 'DELETE FROM kadai2_MySQL_TEST WHERE id = :id';
$stmt = $dbh->prepare($query);
// 実行
$stmt->execute(array(':id' => $delete_id));
}
else if ($password_delete_check == "") echo "<script type='text/javascript'>alert('対象のコメントがありません。');</script>";
else echo "<script type='text/javascript'>alert('パスワードが違います。');</script>";
}catch(PDOException $e){
print("データベースの接続に失敗しました");
die();
}
}
/////////////////// 指定された番号のコメントを表示(edit) ////////////////
if (isset($_POST["edit_number"]) && isset($_POST["password_edit"])) {
$password_edit = $_POST["password_edit"];
$password_edit_check = "";
$edit_number = $_POST["edit_number"];
try {
// 入力された番号に対応したidを見つける
$query = 'SELECT * FROM kadai2_MySQL_TEST';
$stmt = $dbh->query($query);
$count = 0;
$edit_id = 0;
while($row = $stmt->fetch(PDO::FETCH_ASSOC)){
$count++;
$id = $row["id"];
if ($count == $edit_number) $edit_id = $id;
}
$query = 'SELECT * FROM kadai2_MySQL_TEST WHERE id = ' . $edit_id;
$stmt = $dbh->query($query);
while($row = $stmt->fetch(PDO::FETCH_ASSOC)){
$name_form = $row["name"];
$comment_form = $row["comment"];
$password_form = $row["password"];
$password_edit_check = $row["password"];
}
if ($password_edit == $password_edit_check) $isEditMode = $edit_id;
else if ($password_delete_check == "") echo "<script type='text/javascript'>alert('対象のコメントがありません。');</script>";
else echo "<script type='text/javascript'>alert('パスワードが違います。');</script>";
}catch(PDOException $e){
print("データベースの接続に失敗しました");
die();
}
}
// 接続を閉じる
$dbh = null;
?>
<!DOCTYPE html>
<html lang="ja">
<head>
<meta charset="UFT-8">
<title>簡易掲示板</title>
<link rel="stylesheet" type="text/css" href="index.css">
<script type="text/javascript">
function check(){
if(confirm('削除してよろしいですか？')){
return true;
}
else{
alert('キャンセルされました');
return false;
}
}
</script>
</head>
<body>
<div class="container">
<h1>簡易掲示板</h1>
<form action="kadai2_advanced_level.php" method="post">
<input type="hidden" value=<?php echo $isEditMode; ?> name="JugeEditMode_inInputForm">
<input type="hidden" value=<?php echo $edit_id; ?> name="edit_id" >
<div class="form-element">
<p>名前：</p>
<input type="text" name="name" value=<?php
if ($isEditMode) echo $name_form;
else echo "";
?> >
</div>
<div class="form-element">
<p>コメント：</p>
<input type="text" name="comment" value=<?php
if ($isEditMode) echo $comment_form;
else echo "";
?> >
</div>
<div class="form-element set_btn">
<p>パスワード：</p>
<input type="password" name="password" value=<?php
if ($isEditMode) echo $password_form;
else echo ""; ?> >
<button class="btn-submit" type="submit">投稿</button>
</div>
<div class="comment_lineup">
<?php
echo '<div class="info ex">';
echo '<p class="main_info">ID : id, <span style="font-weight: bold;"> 名前 </span><span style="font-weight: bold;">「コメント」</span> </p><p class="time_info">時間</p>';
echo "</div>";
$count = 1;
try{
$dbh = new PDO($dsn, $user, $password_db);
$dbh->setAttribute(PDO::ATTR_ERRMODE, PDO::ERRMODE_EXCEPTION);
// クエリの実行(SELECT)
$query = 'SELECT * FROM kadai2_MySQL_TEST';
$stmt = $dbh->query($query);
// 表示処理
while($row = $stmt->fetch(PDO::FETCH_ASSOC)){
$id = $row["id"];
$name = $row["name"];
$comment = $row["comment"];
$time = $row["time"];
echo '<div class="info">';
echo '<p class="main_info">ID : ' . $count . ', <span style="font-weight: bold;"> ' . $name . "</span>" . '<span style="font-weight: bold;">「' . $comment . '」</span> </p><p class="time_info">' . $time."</p>";
echo "</div>";
$count++;
}
}catch(PDOException $e){
print("データベースの接続に失敗しました");
die();
}
$dbh = null;
?>
</div>
</form>
<form class="form_mini" action="kadai2_advanced_level.php" method="post" onsubmit="return check()">
<div class="form-element">
<p>削除番号：</p><input type="number" name="delete_number">
</div>
<div class="form-element set_btn">
<p>パスワード：</p>
<input type="password" name="password_delete">
<button class="btn-submit" type="submit">削除</button>
</div>
</form>
<form class="form_mini" action="kadai2_advanced_level.php" method="post">
<div class="form-element">
<input type="hidden" value=<?php echo $isEditMode; ?> name="JugeEditMode">
<p>編集番号：</p><input type="number" name="edit_number">
</div>
<div class="form-element set_btn">
<p>パスワード：</p>
<input type="password" name="password_edit">
<button class="btn-submit" type="submit">番号を指定</button>
</div>
</form>
</div>
</body>
</html>
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