我想把 json
格式化为 js
库的这种格式! GoJs 期待这种格式的 json:
model.nodeDataArray =
[
{ key: "1", username: "Don Meow", source: "cat1.png" },
{ key: "2", parent: "1", username: "Demeter", source: "cat2.png" },
{ key: "3", parent: "1", username: "Copricat", source: "cat3.png" },
{ key: "4", parent: "3", username: "Jellylorum", source: "cat4.png" },
{ key: "5", parent: "3", username: "Alonzo", source: "cat5.png" },
{ key: "6", parent: "2", username: "Munkustrap", source: "cat6.png" }
];
在 php 中,我尝试像上面那样返回 json,但我对 json 很陌生,我的示例不起作用!
$users = $db->query("SELECT * FROM user");
$data = array();
while ($result = $users->fetch_assoc())
{
$data['key'] = $result['id'];
$data['username'] = $result['username'];
$data['email'] = $result['email'];
$data['parent'] = $result['parent'];
array_push($data, $result);
}
echo json_encode($data);
我的 JSON 看起来像这样:
{"key":"7","username":"Vlada","parent":"4","0":{"id":"1","parent":null,"username":"Ivan","email":"office.asd@gmail.com","password":"qwe123"},"1":{"id":"2","parent":"1","username":"Martinu","email":"asd@gmail.com","password":"qwe123"},"2":{"id":"3","parent":"1","username":"Biljana","email":"asd.com","password":"qwe123"},"3":{"id":"4","parent":"2","username":"Emil","email":"test@test.com","password":null},"4":{"id":"5","parent":"2","username":"Elena","email":"test@test.com","password":null},"5":{"id":"6","parent":"4","username":"Bole","email":null,"password":null},"6":{"id":"7","parent":"4","username":"Vlada","email":null,"password":null}}
我尝试将 id
替换为 key
因为 GoJs 需要定义 key
属性。我的 json 如此不同,我需要像上面的 json 一样格式化输出吗?
我在这里做错了什么?
最佳答案
你只需要改变你在数组中的存储方式
$users = $db->query("SELECT * FROM user");
$data = array();
while ($result = $users->fetch_assoc())
{
$row = array (
"key" => $result['id'],
"username" => $result['username'],
"email" => $result['email'],
"parent" => $result['parent'],
);
array_push($data, $row);
}
echo json_encode($data);
关于GoJs 的 Php 数据库格式 json,我们在Stack Overflow上找到一个类似的问题: https://stackoverflow.com/questions/40267438/