續：點擊編輯一個條目會跳轉至edit.php

//edit.phpEditing an entry from the database

Edit an entry

$database = "sunsite";

$tablename = $_REQUEST['tablename'];

echo "

Data from $tablename";

MySQL_connect("localhost","root","") or die ("PRoblem connecting to DataBase");

$query = "show columns from $tablename";

$result = mysql_db_query($database,$query);

$column = 0;

if ($result)

{

echo "Found these entries in the database:

";

echo "";

while ($r = mysql_fetch_array($result))

{

echo "$r[0]";

$colname[$column] = $r[0];

$column = $column + 1;

}

echo "";

mysql_free_result($result);

$query = "select * from $tablename";

$result = mysql_db_query($database, $query);

if ($result)

while ($r = mysql_fetch_array($result))

{

echo "

";

echo "";

}

echo "";

}

else echo "No data.";

mysql_free_result($result);

?>

">Finish

然后選擇其中一個id，會跳出具體的內容并要求用戶修改。

//editing.php

Editing an entry

Editing an entry

$database = "sunsite";

$tablename = $_GET['tablename'];

mysql_connect("localhost","root","") or die ("Problem connecting to DataBase");

$query = "show columns from $tablename";

$result = mysql_db_query($database,$query);

$column = 0;

if ($result)

{

while ($r = mysql_fetch_array($result))

{

$colname[$column] = $r[0];

$column = $column + 1;

}

mysql_free_result($result);

}

$temp = $_GET[$colname[0]];

$query = "select * from $tablename where $colname[0]=$temp";

$result = mysql_db_query($database,$query);

$r = mysql_fetch_array($result);

?>:

for ($col=1;$colecho "

$colname[$col]:";

?>

">

">

最后是寫入數據庫

//editdb.php

$database = "sunsite";

$tablename = $_POST['tablename'];

mysql_connect("localhost","root","") or die ("Problem connecting to DataBase");

$query = "show columns from $tablename";

$result = mysql_db_query($database,$query);

$column = 0;

if ($result)

{

while ($r = mysql_fetch_array($result))

{

$colname[$column] = $r[0];

$column = $column + 1;

}

mysql_free_result($result);

}

for($col=0;$col$para[$col] = $_POST[$colname[$col]];

if ($_POST['name'])

{

mysql_connect("localhost","root","") or die ("Problem connecting to DataBase");

$query = "update $tablename set $colname[1]='$para[1]'";

for($col=2;$col$query = $query . ",$colname[$col]='$para[$col]'";

$query = $query . " where $colname[0]='$para[0]';";

$result = mysql_db_query($database, $query);

Header("Location: edit.php?tablename=$tablename");

}

else

{

echo "No name Entered. Please go back and reenter name";

}

?>

待續。

總結

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