我想要一个"国家"对象的javascript数组,在这个阶段,它只有两个属性:name和geonameId。
我从数据库中获取这些国家/地区,如下所示:
$sql = "SELECT name, geonameId FROM countryinfo";
$result = $conn->query($sql);
if ($result->num_rows > 0) {
$rows = array ();
while($row = $result->fetch_assoc()) {
$country["geonameId"]);
$rows[$row['geonameId']] = $row['name'];
}
}
$conn->close();
?>
然后我有这个javascript脚本,它将php数组转换为javascript数组:
<script type="text/javascript">
var allCountries = <? echo json_encode($rows); ?>;
console.log(allCountries);
</script>
我只想将该键/值对数组转换为对象数组,以便我能够更轻松地访问将来可能添加的新属性。目前,javascript数组记录到控制台,如下所示:
Object {0: "Netherlands Antilles", 49518: "Rwanda", 51537: "Somalia", 69543: "Yemen", 99237: "Iraq", 102358: "Saudi Arabia", 130758: "Iran", 146669: "Cyprus", 149590: "Tanzania", 163843: "Syria", 174982: "Armenia", 192950: "Kenya", 203312:...
如何将该键/值对数组从javascript对象转换为数组(通过重构,我将添加一个Country类,该数组将包含Country对象(。
我的相关代码已更改为此以使其工作:
$sql = "SELECT name, geonameId FROM countryinfo";
$result = $conn->query($sql);
$allCountries = [];
if ($result->num_rows > 0) {
$rows = array ();
while($row = $result->fetch_assoc()) {
$country = array(
"name" => $row['name'],
"geonameId" => $row['geonameId']
);
$allCountries[] = $country;
}
}
$conn->close();
?>
<script type="text/javascript">
var allCountries = <?php echo json_encode($allCountries, JSON_PRETTY_PRINT) ?>;
console.log(allCountries)
</script>
在PHP端简单序列化为JSON,然后在Javascript中执行JSON.parse