我目前能夠成功將數據推送到我的Firebase節點(屬性)並創建新屬性,但是一旦我推送數據,我不確定如何找到創建的新屬性的關鍵字,然後將其刪除。無法檢索Firebase密鑰並從角度刪除Firebase中的對象
我相信這很簡單,但它仍然沒有我。
在此先感謝。 :)下面
代碼:
angular.module('propApp')
.controller('propertyCtrl', function($scope, $rootScope, $mdDialog, $mdMedia, $mdSidenav){
let database = firebase.database();
let ref = database.ref();
let uid = firebase.auth().currentUser.uid;
let propRef = ref.child('properties');
// add new property function
$scope.addNewProperty = function(){
var newProp = propRef.push({
street: $scope.property.street,
postalCode: $scope.property.postalCode,
apt: $scope.property.apt,
city: $scope.property.city,
state: $scope.property.state,
landlord: uid,
address: $scope.property.street + " " + $scope.property.city + " " + $scope.property.state + " " + $scope.property.postalCode + " " + $scope.property.apt
})
};
// var newPropKey = newProp.push().key;
// delete property function
$scope.deleteProperty = function(){
// delete property
// new property variable
var newPropKey = ????; //not sure if this is right
// want to use a variable to delete property
propRef.child('newPropKey').remove();
console.log('deleted!');
}
})
我不知道很多關於角以及如何使用這些信息,但是[火力推(https://firebase.google.com/docs /reference/js/firebase.database.Reference#push)返回對新創建記錄的引用。您可以使用'newProp'對firebase進行新的操作。 – bennygenel