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$db = mysql教程_connect("localhost", "phpdb", "phpdb");
mysql_select_db("test",$db);
// 如果提交了submit按钮
if ($submit) {
// 如果没有id，则是在增加记录，否则是在修改记录
if ($id) {
$sql = "update employees set first='$first',last='$last', address='$address',position='$position' where id=$id";
}
else {
$sql = "insert into employees (first,last,address,position) values ('$first','$last','$address','$position')";
}
// 向数据库教程发出sql命令
$result = mysql_query($sql);
echo "记录修改成功！<>";
echo "返回";
}
elseif ($delete) {
// 删除一条记录
$sql = "delete from employees where id=$id";
$result = mysql_query($sql);
echo "记录删除成功！<>";
echo "返回";
}
else {
// 如果还没有按submit按钮，那么执行下面这部分程序
if (!$id) {
// 如果不是修改状态，则显示员工列表
$result = mysql_query("select * from employees",$db);
while ($myrow = mysql_fetch_array($result)) {
printf("%s %s ",
$php_self, $myrow["id"], $myrow["first"], $myrow["last"]);
printf("(delete)
", $php_self, $myrow["id"]);
}
}
?>
返回
}
?>
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