选择特定项目并在模式中查看,以使用angularJs更新到Firebase
我添加了一个post应用程序,用户可以从中将数据推送到firebase。用户从下拉列表中选择将成为firebase中节点的类别,然后填写其他信息并提交给firebase 在视图中,我迭代数据以将其显示为分类分隔,用户可以从中通过按edit/delete按钮选择编辑/删除帖子 我的问题: 1-当用户删除帖子时,整个类别将被删除,而不是用户只想删除的帖子 2-当用户单击编辑模式弹出窗口时,这些弹出窗口假设包含来自帖子的数据,用户可以选择更改和提交。问题是模态图中没有显示任何内容 这里是addPost控制器:选择特定项目并在模式中查看,以使用angularJs更新到Firebase,angularjs,firebase,angularfire,Angularjs,Firebase,Angularfire,我添加了一个post应用程序,用户可以从中将数据推送到firebase。用户从下拉列表中选择将成为firebase中节点的类别,然后填写其他信息并提交给firebase 在视图中,我迭代数据以将其显示为分类分隔,用户可以从中通过按edit/delete按钮选择编辑/删除帖子 我的问题: 1-当用户删除帖子时,整个类别将被删除,而不是用户只想删除的帖子 2-当用户单击编辑模式弹出窗口时,这些弹出窗口假设包含来自帖子的数据,用户可以选择更改和提交。问题是模态图中没有显示任何内容 这里是addPost
$scope.AddPost = function(files) {
var url = "https://hotelboard.firebaseio.com/Articles/";
var category = $scope.Category;
//var fb = new Firebase("https://hotelboard.firebaseio.com/Articles/");
var fb = new Firebase(url).child(category);
var title = $scope.article.title;
var post = $scope.article.post;
var user = CommonProp.getUser();
if (files == undefined){
var push = fb.push({
title: title,
post: post,
emailId: user,
images : null,
'.priority': user
},function(error) {
if (error) {
console.log("Error:",error);
} else {
console.log("Post set successfully!");
$location.path('/home');
console.log(push.key());
$scope.$apply();
}
});
} else {
Upload.base64DataUrl(files).then(function(base64Urls){
fb.push({
title: title,
post: post,
emailId: user,
images : base64Urls,
'.priority': user
},function(error) {
if (error) {
console.log("Error:",error);
} else {
console.log("Post set successfully!");
$location.path('/home');
$scope.$apply();
}
});
});
}
}
$scope.remove = function(array, index){
array.splice(index, 1);
}
}]);
'use strict';
angular.module('myApp.home', [])
.controller('HomeCtrl', ['$scope','CommonProp','$firebaseArray','$firebaseObject','$location', function($scope,CommonProp,$firebaseArray,$firebaseObject,$location) {
$scope.username = CommonProp.getUser();
if(!$scope.username){
$location.path('/main');
}
var url = "https://hotelboard.firebaseio.com/Articles/";
var fb = new Firebase(url);
//var fbObj = fb.startAt($scope.username).endAt($scope.username);
$scope.articles = $firebaseArray(fb);
$scope.editPost = function(id) {
var fb = new Firebase(url + id);
$scope.postToUpdate = $firebaseObject(fb);
$('#editModal').modal();
}
$scope.update = function() {
var fb = new Firebase(url + $scope.postToUpdate.$id);
if($scope.postToUpdate.images == undefined){
$scope.postToUpdate.images = null;
}
fb.update({
title: $scope.postToUpdate.title,
post: $scope.postToUpdate.post,
emailId: $scope.postToUpdate.emailId,
images: $scope.postToUpdate.images
}, function(error) {
if (error) {
console.log('Error:', error);
} else {
$('#editModal').modal('hide');
}
});
}
$scope.confirmDelete = function(id) {
var fb = new Firebase(url + id);
$scope.postToDelete = $firebaseObject(fb);
$('#deleteModal').modal();
}
$scope.deletePost = function() {
var fb = new Firebase(url + $scope.postToDelete.$id);
fb.remove(function(error) {
if (error) {
console.log('Error:', error);
} else {
$('#deleteModal').modal('hide');
}
});
}
$scope.remove = function(array, index){
array.splice(index, 1);
}
}]);
以下是视图代码,其中包括模式:
<div class="list-group" ng-repeat="article in articles">
<h1>{{article.$id}}</h1>
<div class="list-group" ng-repeat="(key,art) in article">
<span class="list-group-item active">
<h4 class="list-group-item-heading">{{art.title}}</h4>
<p class="list-group-item-text">{{art.post}}</p>
<div class="row">
<div class="col-sm-2" ng-repeat="image in art.images">
<img ng-show="art.images" ng-src={{image}} width="50px" height="50px" >
</div>
</div>
<span class="pull-right" >
<button class="btn btn-xs btn-info" ng-click="editPost(article.$id)" data-target="#editModal">EDIT</button>
<button class="btn btn-xs btn-warning" ng-click="confirmDelete(article.$id)" data-target="#deleteModal">DELETE</button>
</span>
</span>
</div>
</div>
<!-- Edit Modal popup -->
<div class="modal fade" id="editModal" tabindex="-1" role="dialog" aria-labelledby="editModalLabel" aria-hidden="true">
<div class="modal-dialog">
<div class="modal-content">
<div class="modal-header">
<button type="button" class="close" data-dismiss="modal"><span aria-hidden="true">×</span><span class="sr-only">Close</span>
</button>
<h4 class="modal-title" id="editModalLabel">Update Post</h4>
</div>
<div class="modal-body">
<form role="form">
<div class="form-group">
<label for="recipient-name" class="control-label">Title:</label>
<input type="text" class="form-control" ng-model="postToUpdate.title" id="recipient-name">
</div>
<div class="form-group">
<label for="message-text" class="control-label">Post:</label>
<textarea class="form-control" ng-model="postToUpdate.post" id="message-text"></textarea>
</div>
<div class="form-group" ng-show="postToUpdate.images">
<label for="picturs" class="control-label">Pictures:</label>
<div ng-repeat="image in postToUpdate.images"><img ng-src={{image}} width="50px" height="50px"><span class="glyphicon glyphicon-remove-circle" ng-click="remove(postToUpdate.images, $index)"></span></div>
</div>
</form>
</div>
<div class="modal-footer">
<button type="button" class="btn btn-default" data-dismiss="modal">Close</button>
<button type="button" class="btn btn-primary" ng-click="update()">Publish</button>
</div>
</div>
</div>
</div>
<!-- Delete Modal popup -->
<div class="modal fade" id="deleteModal" tabindex="-1" role="dialog" aria-labelledby="deleteModalLabel" aria-hidden="true">
<div class="modal-dialog">
<div class="modal-content">
<div class="modal-header" style="text-align:center;">
<h4 class="modal-title" style="color:red;" id="deleteModalLabel">You are going to Delete this post forever !!</h4>
</div>
<div class="modal-footer">
<button type="button" class="btn btn-default" data-dismiss="modal">Cancel</button>
<button type="button" class="btn btn-primary" ng-click="deletePost()">Delete</button>
</div>
</div>
</div>
</div>
</div>
以下是视图的屏幕截图:
这里是我的Firebase结构:
Articles
Events
-K09Iy9pa6FEA0rmmEMH
emailId:"said@gmail.com"
images
0:"data:image/png;base64,iVBORw0KGgoAAAANSUhEU
post: "This is event 1"
title:"Event 1"
Facilities
-K09Ibsqz5L82PUoCEjY
emailId: "said@gmail.com"
post: "this is fac 1"
title:"Facility 1"
Offers
-K09IipPdR7We_D5Tzb9
emailId:"said@gmail.com"
post:"this is offer 1"
title:"Offer 1"
在我使用下拉列表进行此实现之前,一切都正常,甚至每个用户都可以使用此代码显示自己的数据:
var fbObj = fb.startAt($scope.username).endAt($scope.username);
当我将其用作FirebaseArray时,该代码正在工作,但现在不工作
请帮忙
更新解决方案
我通过在home.html的模式中为addPost&deletePost添加了一个关键参数来修复此问题,并更改了editPost和update函数,如下所示:
$scope.editPost = function(id,key) {
var fbE = new Firebase(url + id + '/' + key);
$scope.postToUpdate = $firebaseObject(fbE);
$('#editModal').modal();
console.log($firebaseObject(fbE));
}
$scope.update = function() {
var fbU = $scope.postToUpdate.$ref();
console.log($firebaseObject(fbU));
if($scope.postToUpdate.images == undefined){
$scope.postToUpdate.images = null;
}
fbU.update({
title: $scope.postToUpdate.title,
post: $scope.postToUpdate.post,
emailId: $scope.postToUpdate.emailId,
images: $scope.postToUpdate.images
}, function(error) {
if (error) {
console.log('Error:', error);
} else {
$('#editModal').modal('hide');
}
});
}
$scope.confirmDelete = function(id,key) {
var fbC = new Firebase(url + id +'/' + key);
$scope.postToDelete = $firebaseObject(fbC);
$('#deleteModal').modal();
}
$scope.deletePost = function() {
var fbD = $scope.postToDelete.$ref();
fbD.remove(function(error) {
if (error) {
console.log('Error:', error);
} else {
$('#deleteModal').modal('hide');
}
});
}
$scope.editPost = function(id,key) {
var fbE = new Firebase(url + id + '/' + key);
$scope.postToUpdate = $firebaseObject(fbE);
$('#editModal').modal();
console.log($firebaseObject(fbE));
}
$scope.update = function() {
var fbU = $scope.postToUpdate.$ref();
console.log($firebaseObject(fbU));
if($scope.postToUpdate.images == undefined){
$scope.postToUpdate.images = null;
}
fbU.update({
title: $scope.postToUpdate.title,
post: $scope.postToUpdate.post,
emailId: $scope.postToUpdate.emailId,
images: $scope.postToUpdate.images
}, function(error) {
if (error) {
console.log('Error:', error);
} else {
$('#editModal').modal('hide');
}
});
}
$scope.confirmDelete = function(id,key) {
var fbC = new Firebase(url + id +'/' + key);
$scope.postToDelete = $firebaseObject(fbC);
$('#deleteModal').modal();
}
$scope.deletePost = function() {
var fbD = $scope.postToDelete.$ref();
fbD.remove(function(error) {
if (error) {
console.log('Error:', error);
} else {
$('#deleteModal').modal('hide');
}
});
}
希望它能帮助别人。您在编辑和删除功能中没有考虑类别。此外,您应该利用AngularFire为您提供的函数,而不是到处创建新变量
var url = "https://hotelboard.firebaseio.com/Articles/";
var fb = new Firebase(url);
var postIdToDelete;
$scope.articles = $firebaseArray(fb.child($scope.Category));
$scope.editPost = function(id) {
$scope.postToUpdate = $scope.articles.$getRecord(id);
$('#editModal').modal();
};
$scope.update = function() {
if ($scope.postToUpdate.images === undefined) {
$scope.postToUpdate.images = null;
}
$scope.articles.$save($scope.postToUpdate).then(function() {
$('#editModal').modal('hide');
}, function(error) {
console.log('Error:', error);
});
};
$scope.confirmDelete = function(id) {
postIdToDelete = id;
$('#deleteModal').modal();
};
$scope.deletePost = function() {
$scope.articles.$remove(postIdToDelete).then(function() {
$('#deleteModal').modal('hide');
}, function(error) {
console.log('Error:', error);
});
};
我通过在home.html的模式中为addPost&deletePost添加了一个关键参数来修复此问题,并更改了editPost和update函数,如下所示:
$scope.editPost = function(id,key) {
var fbE = new Firebase(url + id + '/' + key);
$scope.postToUpdate = $firebaseObject(fbE);
$('#editModal').modal();
console.log($firebaseObject(fbE));
}
$scope.update = function() {
var fbU = $scope.postToUpdate.$ref();
console.log($firebaseObject(fbU));
if($scope.postToUpdate.images == undefined){
$scope.postToUpdate.images = null;
}
fbU.update({
title: $scope.postToUpdate.title,
post: $scope.postToUpdate.post,
emailId: $scope.postToUpdate.emailId,
images: $scope.postToUpdate.images
}, function(error) {
if (error) {
console.log('Error:', error);
} else {
$('#editModal').modal('hide');
}
});
}
$scope.confirmDelete = function(id,key) {
var fbC = new Firebase(url + id +'/' + key);
$scope.postToDelete = $firebaseObject(fbC);
$('#deleteModal').modal();
}
$scope.deletePost = function() {
var fbD = $scope.postToDelete.$ref();
fbD.remove(function(error) {
if (error) {
console.log('Error:', error);
} else {
$('#deleteModal').modal('hide');
}
});
}
$scope.editPost = function(id,key) {
var fbE = new Firebase(url + id + '/' + key);
$scope.postToUpdate = $firebaseObject(fbE);
$('#editModal').modal();
console.log($firebaseObject(fbE));
}
$scope.update = function() {
var fbU = $scope.postToUpdate.$ref();
console.log($firebaseObject(fbU));
if($scope.postToUpdate.images == undefined){
$scope.postToUpdate.images = null;
}
fbU.update({
title: $scope.postToUpdate.title,
post: $scope.postToUpdate.post,
emailId: $scope.postToUpdate.emailId,
images: $scope.postToUpdate.images
}, function(error) {
if (error) {
console.log('Error:', error);
} else {
$('#editModal').modal('hide');
}
});
}
$scope.confirmDelete = function(id,key) {
var fbC = new Firebase(url + id +'/' + key);
$scope.postToDelete = $firebaseObject(fbC);
$('#deleteModal').modal();
}
$scope.deletePost = function() {
var fbD = $scope.postToDelete.$ref();
fbD.remove(function(error) {
if (error) {
console.log('Error:', error);
} else {
$('#deleteModal').modal('hide');
}
});
}
希望它能帮助别人。我在添加$scope.articles=$firebasearayfb.child$scope.Category时出错;错误如下:错误:Firebase.child失败:第一个参数是无效路径:未定义。路径必须是非空字符串,并且不能包含。、$、[、或],我假设定义了$scope.Category,因为这是在$scope中使用的。AddPost$scope.Category是在AddPost controllerOk中定义的。嗯,你需要以某种方式获取类别才能访问你的帖子。如果不行,我想不出如何将类别发送到主控制器。我使用了更新函数,因为$save给了我一个错误。请给出更好的答案???