双向数据绑定不适用于控制器 - AngularJS

时间:2017-07-27 13:58:32

标签: javascript html angularjs model-view-controller 2-way-object-databinding

早上好S.O.大师。我很难让双向数据绑定工作。双向数据绑定在每个其他控制器中都没有问题,但是这个让我很难过。你可以帮忙吗?

Controller / HTML:



app.controller('search', function($scope, $http, $location) {
$scope.searchText = "";
	$scope.searchRun = function() {
		
		
		$scope.userQuery = "Last::Name+eq+"+$scope.searchText.replace(/ /g,"::")+"+or+First::Name+eq+"+$scope.searchText.replace(/ /g,"::")+"+or+Display::Name+eq+"+$scope.searchText.replace(/ /g,"::")+"+or+User::Login+eq+"+$scope.searchText.replace(/ /g,"::")+"+or+Manager::Display::Name+eq+"+$scope.searchText.replace(/ /g,"::");
		
		$http({
        		method: 'GET',
       		url: url
    		})
    		.then(function(res) {
			
			$scope.TransmutedUsers = {
				users: [
			
				]
			};
			//Looping through users making a new object
			for(var i = 0; i < res.data.users.length; i++) {
				//console.log(res.data.users[i].id);
				var obj = {
					id: res.data.users[i].id
				};

				for(var x = 0; x < res.data.users[i].fields.length; x++) {
					//console.log(res.data.users[i].fields[x].name);
					var nameVar = res.data.users[i].fields[x].name.replace(/\s+/g, '');
					var valueVar = res.data.users[i].fields[x].value;
			
					obj[nameVar] = valueVar;		
			
				}
					$scope.TransmutedUsers.users.push(obj);
			}

		
			console.log($scope.TransmutedUsers.users);
			$scope.returnedUsersLength = $scope.TransmutedUsers.users.length;
			console.log($scope.returnedUsersLength);
			sessionStorage.setItem("searchActive", "true");
			
			
			if ($location.url() != "/search") {
				$location.url("/search");
			}
			
    		});
	};
});
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<nav class="navbar navbar-default navbar-fixed-top bg-color--brand-blue">
    <div class="container-fluid">
        <div class="navbar-header">
            <button type="button" class="navbar-toggle collapsed" data-toggle="collapse" data-target="#navbar" aria-expanded="false" aria-controls="navbar">
                <span class="sr-only">Toggle navigation</span>
                <span class="icon-bar"></span>
                <span class="icon-bar"></span>
                <span class="icon-bar"></span>
            </button>
        </div>
        <div id="navbar" class="navbar-collapse collapse">
            <ul class="nav navbar-nav">
                <li><a class="navbar-brand" href="#"><img src="/images/logo.png" class="logo" alt=""></a></li>
                <li><a href="/dashboard"><img src="/images/eAccess-logo-header.png" width="80" alt=""></a></li>
            </ul>
            <ul class="nav navbar-nav navbar-right">
                <li><a href="/profile">Welcome, <span>{{userName}}</span></a></li>
                <li><a href="/profile">Contact Help</a></li>
                <li><a href="/profile">Close Window</a></li>
            </ul>
        </div>
        <!--/.nav-collapse -->
    </div>
</nav>
<div class="sub-header bg-color--light-grey">
    <div class="container-fluid">
        <div class="row">
            <div class="col-sm-6">
                <div class="row">
                    <div class="col-sm-3"><a href="/newrequest" class="btn btn-primary btn-sm">Make a Request</a></div>
                    <div class="col-sm-2 padding-right-none"><a href="/myprofile">My Profile</a></div>
                    <div class="col-sm-2 padding-left-none"><a href="/directs">My Direct Reports</a></div>
                    <div class="col-sm-2"><a href="/requests">My Requests</a></div>
                </div>
            </div>
            <div class="col-sm-6">
                <form ng-controller="search" ng-submit="searchRun();" class="pull-right">
                    <input type="text" placeholder="Search for people or requests" ng-model="searchText">
                    <button type="submit"><i class="fa fa-search"></i></button>
                </form>
            </div>
        </div>
    </div>
</div>

<div class="container" id="Search" ng-controller="search">
    <div class="row" id="SearchResultsUsers"> 
        <div class="col-sm-12">
            <div class="row">
                <div class="col-sm-12">
                    <h1>Search Results: <i>{{searchText}}</i></h1>
                </div>
            </div>
            <div class="row" ng-repeat="user in TransmutedUsers.users">
                <div class="col-sm-12">
			<h3><i class="fa fa-user-circle"></i> <strong>{{user.FirstName}}</strong> {{user.LastName}} <small>({{user.UserLogin}})</small> <span>{{user.Role}}</span></h3>
		  </div>
		  <div class="col-sm-12">
			<p>{{user.JobTitle}}, <a href="mailto:{{user.Email}}" ng-show="user.Email">{{user.Email}}</a> <span ng-show="user.Phone">{{user.Phone}}</span> Reports to: {{user.ManagerDisplayName}}</p>
		  </div>
		  <div class="col-sm-12">
			<p>Direct Reports: <span ng-show="user.DirectReports">{{user.DirectReports}}</span><span ng-show="!user.DirectReports">None</span></p>
		  </div>
            </div>
        </div>
    </div>
</div>
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searchText会执行console.log,但它不会绑定到{{searchText}},并且url会以指定的格式成功返回对象,但这也不能与{{}}一起使用。< / p>

使用AngularJS 1.6

如果需要其他信息来帮助我解决这个难题,请告诉我。谢谢大家!

2 个答案:

答案 0 :(得分:0)

在搜索功能之外声明$ scope.searchText后,

你可以通过替换表格强制它:

<form ng-controller="search" ng-submit="searchRun();" class="pull-right">
                    <input type="text" placeholder="Search for people or requests" ng-model="searchText">
                    <button type="submit"><i class="fa fa-search"></i></button>
                </form>

简单易懂:

<input type="text" placeholder="Search for people or requests" ng-model="searchText">
 <button ng-click="searchRun(searchText)"><i class="fa fa-search"></i></button>

并在搜索功能中:

$scope.searchRun = function(searchText) {
        $scope.searchText = searchText;
        ...rest of ur code

您也可以尝试使用它来调试它,在otder中直接在html中查看输入中所做的更改。

<input type="text" ng-model="searchText">
{{searchText}}

并在你的控制器中声明函数

$scope.searchText = "";

答案 1 :(得分:0)

所以问题是你使用了两个ng控制器。

From Angularjs Docs

  

当Controller通过ng-controller指令附加到DOM时,AngularJS将使用指定的Controller的构造函数实例化一个新的Controller对象。将创建一个新的子范围,并将其作为$ scope的构造函数的可注入参数提供。

因此,尝试通过ng-controller声明一个"search"控制器更高的DOM结构,以便Divs共享控制器的这个实例。与angularjs服务不同,控制器不是单例。

我已经创建了一个用于显示问题的plunker: http://plnkr.co/edit/J2Ho1uLq0jzuVLlX3BLG

更改一个控制器上的范围不会改变另一个控制器上的范围