[英]Drupal - Easily convert custom code to drupal module?
我有一个自定义PHP文件,该文件使用javascript,php和SQL查询,但是对于drupal来说是全新的,并且很难实现它。 我曾尝试过几次构建模块的教程,但对细节的了解感到不知所措/压力重重,并且到目前为止还没有得到我的支持。 是否可以轻松地将在XAMPP环境中可以正常工作的文件转换为drupal模块,而无需过多更改代码? 如果是这样,我需要在PHP文件中进行哪些更改?
以下是我的PHP文件中的代码:
<?php
$server = 'localhost';$user = 'root';$database = 'transportation';$password = null;
$db = mysqli_connect($server, $user, $password, $database);
?>
<script type="text/javascript" src="http://maps.googleapis.com/maps/api/js?sensor=false"></script>
<script type="text/javascript">
var map = null;
var infowindow = new google.maps.InfoWindow();
var markers = [
<?php
if (isset($_GET['routeselected']))
{
$result = mysqli_query($db, "SELECT * FROM STOP INNER JOIN RouteStop ON Stop.Stop_ID = RouteStop.Stop_ID WHERE RouteStop.Route_ID = " . (int)$_GET['routeselected'] . " AND RouteStop.Company_ID = " . (int)$_GET['companyselected']);
while ($row = mysqli_fetch_array($result))
echo "{\"title\": '".$row['Stop_ID']."', \"lat\": '".$row['Latitude']."', \"lng\": '".$row['Longitude']."', \"description\": '".$row['StopName']."'},";
}
?>
];
window.onload = function () {
var mapOptions = {
center: new google.maps.LatLng(
parseFloat(markers[0].lat),
parseFloat(markers[0].lng)),
zoom: 13,
mapTypeId: google.maps.MapTypeId.ROADMAP
};
var path = new google.maps.MVCArray();
var service = new google.maps.DirectionsService();
var infoWindow = new google.maps.InfoWindow();
var map = new google.maps.Map(document.getElementById("map"), mapOptions);
var poly = new google.maps.Polyline({map: map, strokeColor: '#F3443C'});
var lat_lng = new Array();
for (i = 0; i < markers.length; i++) {
var data = markers[i]
var myLatlng = new google.maps.LatLng(data.lat, data.lng);
lat_lng.push(myLatlng);
var marker = new google.maps.Marker({
position: myLatlng,
map: map,
title: data.title
});
(function (marker, data) {
google.maps.event.addListener(marker, "click", function (e) {
infoWindow.setContent(data.description);
infoWindow.open(map, marker);
});
})(marker, data);
}
for (var i = 0; i < markers.length; i++) {
if ((i + 1) < markers.length) {
var src = new google.maps.LatLng(parseFloat(markers[i].lat),
parseFloat(markers[i].lng));
var des = new google.maps.LatLng(parseFloat(markers[i+1].lat),
parseFloat(markers[i+1].lng));
service.route({
origin: src,
destination: des,
travelMode: google.maps.DirectionsTravelMode.DRIVING
}, function (result, status) {
if (status == google.maps.DirectionsStatus.OK) {
for (var i = 0, len = result.routes[0].overview_path.length; i < len; i++){
path.push(result.routes[0].overview_path[i]);
}
poly.setPath(path);
}
});
}
}
}
</script>
<?php
if (isset($_GET['companyselected']))
{
if ($result = mysqli_query($db, "SELECT DISTINCT RouteNum, RouteName FROM Route WHERE Company_ID = " . (int)$_GET['companyselected']))
{
$fields = mysqli_fetch_fields($result);
echo "<table style='width:900px'><tr>";
foreach ($fields as $column)
echo "<th>" . $column->name . "</th>";
echo "<th>Select Bus Company</th></tr>";
while ($row = mysqli_fetch_assoc($result)) {
echo "<tr>";
foreach ($row as $field) echo "<td>" . $field . "</td>";
echo "<td><a href=\"" . $_SERVER['PHP_SELF'] . "?routeselected="
. $row['RouteNum'] . "&companyselected=" . $_GET['companyselected'] . "\" style=\"color: green;\">Display Route</a></td></tr>";
}
echo "</table>";
}
}
if (!(isset($_GET['companyselected']))) {
$result = mysqli_query($db, "SELECT DISTINCT Company_ID, CompanyName " . "FROM Company");
$fields = mysqli_fetch_fields($result);
echo "<table style='width:900px'><tr>";
foreach ($fields as $column)
echo "<th>" . $column->name . "</th>";
echo "<th>Select Bus Company</th></tr>";
while ($row = mysqli_fetch_assoc($result)) {
echo "<tr>";
foreach ($row as $field) echo "<td>" . $field . "</td>";
echo "<td><a href=\"" . $_SERVER['PHP_SELF'] . "?companyselected="
. $row['Company_ID'] . "\" style=\"color: green;\">Show Routes</a></td></tr>";
}
echo "</table>";
}
?>
肮脏的方式1:您可以在主体(PHP过滤器模块)中创建一个包含php内容的节点,并在您的节点中使用以上所有代码,希望它们能正常工作
肮脏的方式2:如果您想将其包含在多个页面中,则可以将上述逻辑与块而不是节点一起使用
模块方式:您必须提供有关模块工作方式的更多信息(例如,覆盖用户的个人资料页面以包含地图或创建可包含在模板中的块,并从管理后端或从中获取变量。等),但是您的代码将不得不更改很多,并且您还应该利用drupal api(例如,用于查询drupal数据库,访问变量等)。 Drupal模块利用(或至少应该利用)Drupal API的优势,因此例如,您可以简单地(安全地)使用[db_query函数]来代替普通的php连接/查询数据库。
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