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我正在做这个API调用,并没有得到任何结果。当我通过浏览器拨打电话并使用该imo进行搜索时,我可以找回船只信息,但不能通过代码调用。打电话给Api海事交通javascript
<!DOCTYPE html>
<html>
<head>
</head>
<body>
<div id="pr"></div>
<script>
getInfoVessel("9146314");
function httpGetAsync(url, callback) {
var xmlHttp = new XMLHttpRequest();
xmlHttp.onreadystatechange = function() {
if (xmlHttp.readyState == 4 && xmlHttp.status == 200){
callback(xmlHttp.responseText);
}
}
xmlHttp.open("GET", url, true);
xmlHttp.send(null);
}
function getInfoVessel(IMO){
httpGetAsync('http://services.marinetraffic.com/api/exportvessel/v:5/7[herecomesthekey]/protocol:jsono/imo:9146314', function(response) {
document.getElementById('pr').innerHTML = response;
});
}
</script>
</body>
</html>