javascript - 地理位置保存到 PHP 文件

Question

我遇到以下问题，由于某种原因，地理位置数据未保存在文本文件中。

<script>
window.onload=function() {
    if(navigator.geolocation) {
        navigator.geolocation.getCurrentPosition(showPosition);
    } else {
        alert("Geolocation is not supported by this browser.");
    }
}
function showPosition(pos){
   $.POST('saver.php', {
        'lat':pos.coords.latitude,
        'lng':pos.coords.longitude
   }, function(res){
       console.log(res);
   });
}
</script>

saver.php:

<?php
   print_r($_POST);
   $a = fopen("save.txt", "a");
   fwrite($a,"Location: $_POST[lat],$_POST[lng]\n*******************\n");
   fclose($a);
?>

Answer 1

替换:

fwrite($a,"Location: $_POST[lat],$_POST[lng]\n*******************\n");

与:

fwrite($a,"Location: ".$_POST['lat'].",".$_POST['lng']."\n*******************\n");