我对谷歌地图标记有一个问题。我想在记号笔的名字中使用波兰文字。就像我在我的数据库里写的那样。这是我用来创建适当的XML的文件。
function parseToXML($htmlStr)
{
$xmlStr=str_replace('<','<',$htmlStr);
$xmlStr=str_replace('>','>',$xmlStr);
$xmlStr=str_replace('"','"',$xmlStr);
$xmlStr=str_replace("'",''',$xmlStr);
$xmlStr=str_replace("&",'&',$xmlStr);
return $xmlStr;
}
// Opens a connection to a MySQL server
$connection=mysql_connect ('localhost', $username, $password);
if (!$connection) {
die('Not connected : ' . mysql_error());
}
// Set the active MySQL database
$db_selected = mysql_select_db($database, $connection);
if (!$db_selected) {
die ('Can't use db : ' . mysql_error());
}
// Select all the rows in the markers table
$query = "SELECT * FROM markers WHERE 1";
$result = mysql_query($query);
if (!$result) {
die('Invalid query: ' . mysql_error());
}
header("Content-type: text/xml");
// Start XML file, echo parent node
echo '<markers>';
// Iterate through the rows, printing XML nodes for each
while ($row = @mysql_fetch_assoc($result)){
// ADD TO XML DOCUMENT NODE
echo '<marker ';
$test = $row['name'];
//$test2 = string utf8_encode ( string $test );
echo 'name="' . $test . '" ';
echo 'address="' . parseToXML($row['address']) . '" ';
echo 'lat="' . $row['lat'] . '" ';
echo 'lng="' . $row['lng'] . '" ';
echo 'city="' . $row['city'] . '" ';
echo '/>';
}
// End XML file
echo '</markers>';
我得到正确的输出从我的数据库使用这个文件(浏览器显示波兰字符正确),但当我创建一个地图使用:
<!DOCTYPE html >
<head>
<meta name="viewport" content="initial-scale=1.0, user-scalable=no" />
<meta http-equiv="content-type" content="text/html; charset=UTF-8"/>
<title>PHP/MySQL & Google Maps Example</title>
<script src="https://maps.googleapis.com/maps/api/js?key=AIzaSyBdj-LlQrTCj6bQcAq4fxONy9MaZcXvfc8"
type="text/javascript"></script>
<link rel="stylesheet" type="text/css" href="style.css">
<script type="text/javascript">
//<![CDATA[
var customIcons = {
restaurant: {
icon: 'http://labs.google.com/ridefinder/images/mm_20_blue.png'
},
bar: {
icon: 'http://labs.google.com/ridefinder/images/mm_20_red.png'
}
};
function load() {
var map = new google.maps.Map(document.getElementById("map"), {
center: new google.maps.LatLng(50.046465, 19.913828),
zoom: 13,
mapTypeId: 'roadmap'
});
var infoWindow = new google.maps.InfoWindow;
// Change this depending on the name of your PHP file
downloadUrl("markergen.php", function(data) {
var xml = data.responseXML;
var markers = xml.documentElement.getElementsByTagName("marker");
for (var i = 0; i < markers.length; i++) {
var name = markers[i].getAttribute("name");
var address = markers[i].getAttribute("address");
var type = markers[i].getAttribute("city");
var point = new google.maps.LatLng(
parseFloat(markers[i].getAttribute("lat")),
parseFloat(markers[i].getAttribute("lng")));
var html = "<b>" + name + "</b> <br/>" + address;
var icon = customIcons[type] || {};
var marker = new google.maps.Marker({
map: map,
position: point,
icon: icon.icon
});
bindInfoWindow(marker, map, infoWindow, html);
}
});
}
function bindInfoWindow(marker, map, infoWindow, html) {
google.maps.event.addListener(marker, 'click', function() {
infoWindow.setContent(html);
infoWindow.open(map, marker);
});
}
function downloadUrl(url, callback) {
var request = window.ActiveXObject ?
new ActiveXObject('Microsoft.XMLHTTP') :
new XMLHttpRequest;
request.onreadystatechange = function() {
if (request.readyState == 4) {
request.onreadystatechange = doNothing;
callback(request, request.status);
}
};
request.open('GET', url, true);
request.send(null);
}
function doNothing() {}
//]]>
</script>
</head>
<body onload="load()">
<div id="map"></div>
</body>
</html>
然后我得到整个数据,但没有正确显示的波兰字符。我知道我应该用
string utf8_encode ( string $data )
,但我确实试图把它放在第一个文件转换数据和失败。所以我的问题是我应该把它确切地放在我的代码中?或者是否有其他/更好的选择来做这件事。
编辑:我现在尝试使用这样的DOM对象:
<?php
require("../test1/phpsqlinfo_dbinfo.php");
// Start XML file, create parent node
$dom = new DOMDocument("1.0");
$node = $dom->createElement("markers");
$parnode = $dom->appendChild($node);
// Opens a connection to a MySQL server
$mysqli = new mysqli("localhost", $username, $password, $database);
if ($mysqli->connect_errno) {
echo "Failed to connect to MySQL: (" . $mysqli->connect_errno . ") " . $mysqli->connect_error;
}
if (!$mysqli->set_charset("utf8")) {
printf("Error loading character set utf8: %sn", $mysqli->error);
exit();
} else {
printf("Current character set: %sn", $mysqli->character_set_name());
}
// Select all the rows in the markers table
$query = "SELECT * FROM markers WHERE 1";
$result = $mysqli->query($query);
header("Content-type: text/xml");
// Iterate through the rows, adding XML nodes for each
while ($row = @mysqli_fetch_assoc($result)){
// ADD TO XML DOCUMENT NODE
$node = $dom->createElement("marker");
$newnode = $parnode->appendChild($node);
$newnode->setAttribute("name",$row['name']);
$newnode->setAttribute("address", $row['address']);
$newnode->setAttribute("lat", $row['lat']);
$newnode->setAttribute("lng", $row['lng']);
$newnode->setAttribute("city", $row['city']);
}
echo $dom->saveXML();
?>
但是现在我在结果中标记内部有标记,例如:<marker><marker>...</marker></marker>
与数据ofc。如何解决这个问题?我仍然不确定数据是否正确编码,但应该是。
不,您不应该使用utf8_encode()。
你应该使用ext/mysqli或ext/pdo(而不是旧的,已废弃和删除的ext/mysql)。将连接编码设置为UTF-8,以从数据库中获取所有UTF-8字符串。
然后使用XML库(DOM或XMLWriter)生成XML输出。库将根据需要对特殊字符进行编码/转义。
它也会提供缺失的XML声明