如何将两个 Javascript 值发送到 xively 提要,一个作为 ID,一个作为值。当前代码是。我想将这些值输入到 xively 提要中,以便我可以通过带有 wifi 的 arduino 访问它们。不幸的是,从 JS 直接从网站获取值似乎并不简单,所以这是我的解决方法,除非有人有更好的方法从 arduino 访问这些数据。使用此示例作为参考,除了我想从网站发送数据而不是检索它。http://xively.github.io/xively-js/tutorial/
<!DOCTYPE html >
<html xmlns="http://www.w3.org/1999/xhtml">
<head>
<meta http-equiv="Content-Type" content="text/html; charset=UTF-8" />
<title>Untitled Document</title>
<script src="jquery-1.10.2.min.js"></script>
<script type="text/javascript" src="parse-1.2.16.min.js"></script>
</head>
<body>
<script>
jQuery(function($){
xively.setKey( "APIKEY" );
Parse.initialize("APIKEY", "APIKEY");
var mValue = Parse.Object.extend("mValue");
var queryLngLat = new Parse.Query(mValue);
var classObject = new mValue();
var existingMarkers= [];
var databaseMarkers= [];
var counter = 0;
var div ;
var resultsLength;
setInterval(function update() {
queryLngLat.notEqualTo("longAndLat", null);
queryLngLat.find({
success: function(results) {
console.log("Successfully retrieved " + results.length + " scores.");
for (var j = 0; j < results.length; j++ ) {
databaseMarkers = (results[j].attributes.longAndLat);
resultsLength = results.length;
counter++;
var markerValueRead = results[j].attributes.Val;
CoordsPush = databaseMarkers.substring(1, databaseMarkers.length - 1);
div = document.createElement("div");
div.style.width = "400px;";
div.style.background = "white";
div.style.color = "black";
div.innerHTML = /*"Database LatLng: " + CoordsPush + " Marker Value: " + */markerValueRead;
div.setAttribute("id", CoordsPush);
document.body.appendChild(div);
//alert(div.id);
JSON.stringify(markerValueRead);
xively.setKey("UYby76Zocsur664I6sRd13BXKUKrpM3xDSntN5qB5fvPxMhG");
var feedID = 129375335,
datastreamID = "LatLng";
selector = "50.3754565, -4.14265649999993"
xively.datastream.get(feedID, datastreamID, function(datastream) {
$selector.html( datastream["current_value"] );
xively.datastream.subscribe(feedID, datastreamID, function( even, datastream_updated) {
$(selector).html(datastream_updated["current_value"]);
});
});
//console.log("(" + markers[d].getPosition().d + ", " + markers[d].getPosition().e +")");
console.log("Database LatLng: " + databaseMarkers + " Marker Value: " + markerValueRead);
}
counter = 0;
}
});
document.body.innerHTML = '';
}, 15000);
});
</script>
<script src="http://d23cj0cdvyoxg0.cloudfront.net/xivelyjs-1.0.4.min.js"></script>
</body>
</html>