再次我試圖研究PHP的MySQL,似乎我想盡一切辦法來解決這個問題..但它似乎作爲一個初學者代碼在互聯網並沒有幫助..我真的不能更新數據庫中的記錄。需要幫助每一個:)更新數據庫中的記錄不工作
<html>
<body>
<?php
$db = mysql_connect("localhost", "root");
mysql_select_db("dbtry",$db);
$id = isset($_GET['id']) ? $_GET['id'] : null;
$submit = isset($_POST['submit']);
if ($id) {
if ($submit) {
$result = mysql_query("select * from employees where id = " . mysql_real_escape_string($_GET['id']));
$row = mysql_num_rows($result);
if ($myrow != 0) {
mysql_query ("UPDATE employees SET firstname='$first',lastname='$last',address='$address',position='$position' WHERE id = '$id'");
}
echo "Thank you! Information updated.\n";
} else {
// query the DB
$result = mysql_query("SELECT * FROM `employees` WHERE `id` = " . mysql_real_escape_string($_GET['id']), $db);
$myrow = mysql_fetch_array($result);
?>
<form method="post" action="<?php echo $_SERVER['PHP_SELF']?>">
<input type=hidden name="id" value="<?php echo $myrow["id"] ?>">
First name:<input type="Text" name="first" value="<?php echo $myrow["firstname"] ?>"><br>
Last name:<input type="Text" name="last" value="<?php echo $myrow["lastname"] ?>"><br>
Address:<input type="Text" name="address" value="<?php echo $myrow["address"]
?>"><br>
Position:<input type="Text" name="position" value="<?php echo $myrow["position"]
?>"><br>
<input type="Submit" name="submit" value="Enter information">
</form>
<?php
}
} else {
// display list of employees
$result = mysql_query("SELECT * FROM employees",$db);
while ($myrow = mysql_fetch_array($result)) {
printf("<a href=\"%s?id=%s\">%s %s</a><br>\n", $_SERVER['PHP_SELF'], $myrow["id"],
$myrow["firstname"], $myrow["lastname"]);
}
}
?>
</body>
</html>
在MySQL中有這樣的問題,通常也有助於說出表是什麼引擎類型(InnoDB?MyISAM?)。 – 2012-04-09 14:18:01
我應該使用什麼類型的我使用innodb .. – helloworld22 2012-04-09 14:46:12
您使用的類型取決於你想要做什麼。 – 2012-04-10 04:20:35