我有一个JSON字符串
{"name":"jack","school":"colorado state","city":"NJ","id":null}
我需要将其保存在数据库中。我该怎么做?
我的PHP代码(我只建立了与MySQL的连接,但我无法保存记录)
<?php
// the MySQL Connection
mysql_connect("localhost", "username", "pwd") or die(mysql_error());
mysql_select_db("studentdatabase") or die(mysql_error());
// Insert statement
mysql_query("INSERT INTO student
(name, school,city) VALUES(------------------------- ) ") // (How to write this)
or die(mysql_error());
echo "Data Inserted or failed";
?>
我们将使用json_decode
json_decode文档
也一定要逃跑! 这是我在下面做的方法...
/* create a connection */
$mysqli = new mysqli("localhost", "root", null, "yourDatabase");
/* check connection */
if (mysqli_connect_errno()) {
printf("Connect failed: %s'n", mysqli_connect_error());
exit();
}
/* let's say we're grabbing this from an HTTP GET or HTTP POST variable called jsonGiven... */
$jsonString = $_REQUEST['jsonGiven'];
/* but for the sake of an example let's just set the string here */
$jsonString = '{"name":"jack","school":"colorado state","city":"NJ","id":null}
';
/* use json_decode to create an array from json */
$jsonArray = json_decode($jsonString, true);
/* create a prepared statement */
if ($stmt = $mysqli->prepare('INSERT INTO test131 (name, school, city, id) VALUES (?,?,?,?)')) {
/* bind parameters for markers */
$stmt->bind_param("ssss", $jsonArray['name'], $jsonArray['school'], $jsonArray['city'], $jsonArray['id']);
/* execute query */
$stmt->execute();
/* close statement */
$stmt->close();
}
/* close connection */
$mysqli->close();
希望这有帮助!
这是帮助您的示例
<?php
$json = '{"name":"jack","school":"colorado state","city":"NJ","id":null}';// You can get it from database,or Request parameter like $_GET,$_POST or $_REQUEST or something :p
$json_array = json_decode($json);
echo $json_array["name"];
echo $json_array["school"];
echo $json_array["city"];
echo $json_array["id"];
?>
希望这个帮助!
解码成一个数组并将其传递到您的mysql_query中,下面的代码没有使用mysql_real_escape_string或任何其他您应该实现的安全手段。
假设$json是{"name":"jack","school":"colorado state","city":"NJ","id":null}
$json_array = json_decode($json);
您现在在 php 数组中拥有索引,例如:$json_array['name']
mysql_query("INSERT INTO student (name, school,city) VALUES('".$json_array['name']."', '".$json_array['school']."', '".$json_array['city']."') ") or die(mysql_error());