【发布时间】：2016-06-22 15:48:26
【问题描述】：
首先，真心希望得到大家的理解和包容。这个问题非常具体，所以请不要再激进/否决/搁置。我们都在这里学习新事物并分享知识，而不是侵略。非常感谢。
问题：我正在尝试关注this example，但这似乎在 Chrome 中没有显示任何内容。 The link 显示预期内容。我得到的只是浏览器中的空白页面。谁能说出具体原因？
<!DOCTYPE HTML>
<html ng-app="autocompleteDemo">
<head>
<!--[if IE]>
<script src="http://html5shiv.googlecode.com/svn/trunk/html5.js"></script>
<![endif]-->
<title>Shanid KV | AngularJS Dynamic Form Fields</title>
<script src="https://ajax.googleapis.com/ajax/libs/angularjs/1.2.25/angular.min.js"></script>
<script type="text/javascript">
angular
.module('autocompleteDemo', ['ngMaterial'])
.controller('DemoCtrl', DemoCtrl);
function DemoCtrl ($timeout, $q, $log) {
var self = this;
self.simulateQuery = false;
self.isDisabled = false;
// list of `state` value/display objects
self.states = loadAll();
self.querySearch = querySearch;
self.selectedItemChange = selectedItemChange;
self.searchTextChange = searchTextChange;
self.newState = newState;
function newState(state) {
alert("Sorry! You'll need to create a Constituion for " + state + " first!");
}
// ******************************
// Internal methods
// ******************************
/**
* Search for states... use $timeout to simulate
* remote dataservice call.
*/
function querySearch (query) {
var results = query ? self.states.filter( createFilterFor(query) ) : self.states,
deferred;
if (self.simulateQuery) {
deferred = $q.defer();
$timeout(function () { deferred.resolve( results ); }, Math.random() * 1000, false);
return deferred.promise;
} else {
return results;
}
}
function searchTextChange(text) {
$log.info('Text changed to ' + text);
}
function selectedItemChange(item) {
$log.info('Item changed to ' + JSON.stringify(item));
}
/**
* Build `states` list of key/value pairs
*/
function loadAll() {
var allStates = 'Alabama, Alaska, Arizona, Arkansas, California, Colorado, Connecticut, Delaware,\
Florida, Georgia, Hawaii, Idaho, Illinois, Indiana, Iowa, Kansas, Kentucky, Louisiana,\
Maine, Maryland, Massachusetts, Michigan, Minnesota, Mississippi, Missouri, Montana,\
Nebraska, Nevada, New Hampshire, New Jersey, New Mexico, New York, North Carolina,\
North Dakota, Ohio, Oklahoma, Oregon, Pennsylvania, Rhode Island, South Carolina,\
South Dakota, Tennessee, Texas, Utah, Vermont, Virginia, Washington, West Virginia,\
Wisconsin, Wyoming';
return allStates.split(/, +/g).map( function (state) {
return {
value: state.toLowerCase(),
display: state
};
});
}
/**
* Create filter function for a query string
*/
function createFilterFor(query) {
var lowercaseQuery = angular.lowercase(query);
return function filterFn(state) {
return (state.value.indexOf(lowercaseQuery) === 0);
};
}
}
</script>
<link href="//netdna.bootstrapcdn.com/bootstrap/3.0.3/css/bootstrap.min.css" rel="stylesheet">
<link rel="stylesheet" type="text/css" href="style.css">
</head>
<body>
<div ng-controller="DemoCtrl as ctrl" layout="column" ng-cloak>
<md-content class="md-padding">
<form ng-submit="$event.preventDefault()">
<p>Use <code>md-autocomplete</code> to search for matches from local or remote data sources.</p>
<md-autocomplete
ng-disabled="ctrl.isDisabled"
md-no-cache="ctrl.noCache"
md-selected-item="ctrl.selectedItem"
md-search-text-change="ctrl.searchTextChange(ctrl.searchText)"
md-search-text="ctrl.searchText"
md-selected-item-change="ctrl.selectedItemChange(item)"
md-items="item in ctrl.querySearch(ctrl.searchText)"
md-item-text="item.display"
md-min-length="0"
placeholder="What is your favorite US state?">
<md-item-template>
<span md-highlight-text="ctrl.searchText" md-highlight-flags="^i">{{item.display}}</span>
</md-item-template>
<md-not-found>
No states matching "{{ctrl.searchText}}" were found.
<a ng-click="ctrl.newState(ctrl.searchText)">Create a new one!</a>
</md-not-found>
</md-autocomplete>
<br/>
<md-checkbox ng-model="ctrl.simulateQuery">Simulate query for results?</md-checkbox>
<md-checkbox ng-model="ctrl.noCache">Disable caching of queries?</md-checkbox>
<md-checkbox ng-model="ctrl.isDisabled">Disable the input?</md-checkbox>
<p>By default, <code>md-autocomplete</code> will cache results when performing a query. After the initial call is performed, it will use the cached results to eliminate unnecessary server requests or lookup logic. This can be disabled above.</p>
</form>
</md-content>
</div>
</body>
</html>
【问题讨论】：
标签： javascript angularjs angularjs-directive autocomplete angularjs-scope