我正在製作一個簡單的金錢交易應用程序,其中user1
使用parse.com和雲代碼使用masterkey爲user1
權限轉移貨幣至user2
以覆蓋所有其他權限。使用BeforeSave更新解析對象
final ParseQuery<ParseObject> parseQuery = ParseQuery.getQuery(user.getClassName());
Log.d("class found : ",String.valueOf(user.getClassName()));
parseQuery.whereMatches("AccountNumber", mAccountNumber.getText().toString().trim());
parseQuery.getFirstInBackground(new GetCallback<ParseObject>() {
@Override
public void done(final ParseObject parseObject, ParseException e) {
if (parseObject != null) {
Log.d("userID",String.valueOf(parseObject.getObjectId()));
balance = Integer.parseInt(mbalance.getText().toString());
q = parseObject.getInt("balance");
parseObject.put("balance", balance + q);
parseObject.saveInBackground(new SaveCallback() {
@Override
public void done(ParseException e) {
if (e == null) {
Toast.makeText(TransferToAccount.this, "DOne!!", Toast.LENGTH_SHORT).show();
} else {
Log.d("Exception", "1");
e.printStackTrace();
}
}
});
} else {
Log.d("Exception", "2");
Toast.makeText(TransferToAccount.this, "No user found ", Toast.LENGTH_SHORT).show();
e.printStackTrace();
,這是可能的代碼:
Parse.Cloud.beforeSave(Parse.User, function(request, response) {
Parse.Cloud.useMasterKey();
var user = request.user;
if (user.existed()) { return; }
user.setACL(new Parse.ACL(user));
user.save();
// add user to role
var roleName = "member";
var roleQuery = new Parse.Query(Parse.Role);
roleQuery.equalTo("name", roleName);
roleQuery.first().then(function(role) {
role.getUsers().add(user);
// save role
return role.save();
});
當我試圖轉移我得到一個Exception
:
W/System.err: com.parse.ParseException: java.lang.IllegalArgumentException: Cannot save a ParseUser that is not authenticated.
和
W/System.err: Caused by: java.lang.IllegalArgumentException: Cannot save a ParseUser that is not authenticated.
對不起,如果我做了我自己不清楚。
請記住,Parse正在關閉,所以最好儘快離開它。同時,儘管我希望有人能夠提供幫助。 – Vidia
@Vidia我正在使用我的大學項目解析,所以這不會是一個問題atm,謝謝無論如何。 –