用php生成javascript函数

用php生成javascript函数,php,javascript,google-maps-api-3,Php,Javascript,Google Maps Api 3,我试图根据mysql表生成javascript函数,并运行生成的function。当新的多边形坐标添加到数据库中时,我想更新我的google地图 文件上传和转换完成后启动加载功能: function reloadMaps() { console.log("reloadMaps"); //$.get("pages/fields.php", function(data){$('#content').html(data);}); $.get("addMaps.php", fun

我试图根据mysql表生成javascript函数,并运行生成的function。当新的多边形坐标添加到数据库中时,我想更新我的google地图

文件上传和转换完成后启动加载功能:

function reloadMaps() {
    console.log("reloadMaps");
    //$.get("pages/fields.php", function(data){$('#content').html(data);});
    $.get("addMaps.php", function(data){$('#mapCoordsInclude').html(data);});
    addMaps();
}
addMaps.php文件:

<script type="text/javascript">
function addMaps(){
clearMap();


console.log("paleistas update");
<?php



include "dbConfig.php";
// $r = mysql_query("SELECT `fields`.id as id,  `fields`.coordinates as coordinates, `seedings`.culture_id as culture_id, `cultures`.color as color FROM `fields` INNER JOIN seedings ON `seedings`.field_id = `fields`.id INNER JOIN cultures ON `seedings`.culture_id = `cultures`.id where `fields`.farm_id = '4'" );
$r = mysql_query("SELECT id, coordinates from fields where coordinates !='' and farm_id = 4");   


$fields = array();
while($field = mysql_fetch_assoc($r)){
    $fields[$field['id']] = $field;  
$cord = explode(';', $field['coordinates']);
unset($cord[count($cord)-1]);

echo "console.log(\"Naujausias laukas su koordinatemis ".$field['id']."\");\n";
echo "var laukas".$field['id'].";\n";


echo 'var polygonCoords = [';

      foreach ($cord as $key => $c) {
        if($key == count($cord)-1)
          echo "new google.maps.LatLng(".$c.")";
        else
          echo "new google.maps.LatLng(".$c."),";
      }

      echo "];\n";
      echo "laukas".$field['id']." = new google.maps.Polygon({
  paths: polygonCoords, strokeColor: '#000000', strokeOpacity: 0.8, strokeWeight: 2, fillColor: '#000000', fillOpacity: 0.35, id: ".$field['id']." }); laukai.push(laukas".$field['id'].");\n";
    }
    ?>

<?php
echo"\n";
  foreach($fields as $key => $field)
  {
  echo "  laukas". $field['id'].".setMap(map); google.maps.event.addListener(laukas".$field['id'].", 'click', showFieldInfo);\n";
  }
?>
}


function showFieldInfo(event) {
if (document.getElementById('fields') != null) {
      //alert(this.id);
      var page = "pages/showField.php?id=";
      page += this.id;
      $.get(page, function(data){
        $('#content').html(data);
      });
    }
}

</script>

函数addMaps(){
clearMap();
console.log(“paleistas更新”);

除了在php中生成函数,你能不能在ajax请求中只获得所需的数据,比如坐标?可能是这样,但我不知道如何做到这一点……但我找到了一个答案并做到了。效果很好。我在其他帖子中找到了答案:主要的想法是javascript需要重新加载,而不仅仅是重写。