我想从数据库中获得一个对象列表,我是100%,我检索数据,但列表,所以我的php代码似乎很好
public ArrayList<Categorie> getListCategorie() {
ArrayList<Categorie> listcategories = new ArrayList<>();
ConnectionRequest con2 = new ConnectionRequest();
con2.setUrl("http://localhost/pidev2017/selectcategorie.php");
con2.addResponseListener(new ActionListener<NetworkEvent>() {
@Override
public void actionPerformed(NetworkEvent evt) {
try {
JSONParser j = new JSONParser();
Map<String, Object> catefories = j.parseJSON(new CharArrayReader(new String(con2.getResponseData()).toCharArray()));
List<Map<String, Object>> list = (List<Map<String, Object>>) catefories.get("Categorie");
for (Map<String, Object> obj : list) {
Categorie categorie = new Categorie();
categorie.setId(Integer.parseInt(obj.get("id").toString()));
categorie.setNomCategorie(obj.get("nomCategorie").toString());
listcategories.add(categorie);
}
} catch (IOException ex) {
}
}
});
NetworkManager.getInstance().addToQueue(con2);
return listcategories;
}当我想要获取我的结果“列表类别”时,我发现它是空的
发布于 2017-04-27 22:54:56
变化
NetworkManager.getInstance().addToQueue(con2);至
NetworkManager.getInstance().addToQueueAndWait(con2);您可能会尝试在获取数据之前获取结果。
https://stackoverflow.com/questions/43648103
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