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PHP5对Mysql5的任意数据库表的管理代码示例(四)

2004-12-15 08:00:00  作者:  来源:互联网  浏览次数:0  文字大小:【】【】【
简介:   续:如果点击删除一个条目则会跳转到del.php //del.php Deleting an entry from the database Delete an entry

  

续:如果点击删除一个条目则会跳转到del.php

//del.php

Deleting an entry from the database

Delete 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 "

";

$colname[$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 "

";

for($col=1;$col<$column;$col++) echo "

";

echo "

";

}

echo "

$r[0]
$r[0] $r[$col]
";

}

else echo "No data.";

mysql_free_result($result);

?>

">Finish

然后写入数据库

//dele.php

$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);

}

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

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

$query = "delete from $tablename where $colname[0]='$para';";

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

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

?>

以上就是所有的代码了。

把它们都放到同一个目录下面即可。

注意:提醒!以上代码在copy的时候一定注意在编辑器里面把每一行代码前面的tab去掉,不然php5编译不过。

而且在每个文件中$database目前为sunsite,$table为software,这个可以根据需要修改。

欢迎发表看法。

责任编辑:admin
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