在我的web服務中,我有一個用於插入經度和緯度值的頁面。當成功插入到數據庫中時,將在表中創建一個新行並使用自動遞增的「id」(INT)鍵。在同一個PHP文件中執行INSERT和SELECT操作
它返回一個JSON對象:
{ 「成功」:1, 「消息」: 「現貨添加成功!」}
我的問題:我想補充的編號是爲每個行創建的JSON對象創建的。就像這樣:
{ 「成功」:1, 「消息」: 「現貨添加成功!」, 「ID」:54}
這是我這麼遠。行插入表中,但我不能在JSON對象,以顯示我的ID:
{「成功」:1,「消息」:「現貨成功添加」,「like_id」:空}
idtest.php
<?php
//load and connect to MySQL database stuff
require("config.inc.php");
if (!empty($_POST)) {
//initial query
if(isset($_POST['user_id']) && !empty($_POST['user_id'])) {
$query = "INSERT INTO spot (latitude, longitude, user_id) VALUES (:lat, :long, :uid) ";
//Update query
$query_params = array(
':lat' => $_POST['latitude'],
':long' => $_POST['longitude'],
':uid' => $_POST['user_id']
);
} else {
$query = "INSERT INTO spot (latitude, longitude) VALUES (:lat, :long) ";
//Update query
$query_params = array(
':lat' => $_POST['latitude'],
':long' => $_POST['longitude']
);
}
//execute query
try {
$stmt = $db->prepare($query);
$result = $stmt->execute($query_params);
}
catch (PDOException $ex) {
// For testing, you could use a die and message.
//die("Failed to run query: " . $ex->getMessage());
//or just use this use this one:
$response["success"] = 0;
$response["message"] = "Database Error. Couldn't add lat/long-pair!";
die(json_encode($response));
}
$latt = $_POST['latitude'];
$longg = $_POST['longitude'];
$getId = "SELECT id FROM spot WHERE latitude=$latt AND longitude=$longg LIMIT 1";
echo $getId;
//execute query
try {
$stmt2 = $db->prepare($getId);
$result2 = $stmt2->execute($query_params);
}
catch (PDOException $ex) {
// For testing, you could use a die and message.
//die("Failed to run query: " . $ex->getMessage());
//or just use this use this one:
$response["success"] = 0;
$response["message"] = "Database Error. Couldn't retrieve like_id!";
die(json_encode($response));
}
$row = $stmt2->fetchAll();
if($row) {
$response["success"] = 1;
$response["message"] = "Spot Successfully Added!";
$response["like_id"] = $row["id"];
echo json_encode($response);
}
} else {
?>
<h1>Registrer GPS-koordinater</h1>
<form action="idtest.php" method="post">
Latitude:<br />
<input type="text" name="latitude" value="" />
<br /><br />
Longitude:<br />
<input type="text" name="longitude" value="" />
<br /><br />
Google ID:<br />
<input type="text" name="user_id" value="" />
<br /><br />
<input type="submit" value="Opprett kolonne i 'spot'" />
</form>
<?php
}
?>
您需要大約'緯度報價=地方找到 ' 「$ LATT。」' 和經度= ' 「$ longg」。''或它最好使用綁定語句 – Saty