Angular – 不能让ng-repeat orderBy工作
我已经尝试了许多与orderBy ng-repeat的例子，但我不能让我的JSON工作。
<div ng-app> <script type="text/javascript" src="http://code.angularjs.org/1.0.1/angular-1.0.1.js"></script> <div ng:controller="Main"> <div ng-repeat="release in releases| orderBy:'environment_id'"> {{release.environment_id}} </div> </div> </div> 和JSON
function Main($scope) { $scope.releases = { "tvl-c-wbap001 + tvl-webapp": { "timestamp": " 05:05:53 PM ", "environment_id": "CERT5", "release_header": "Projects/Dev", "date": "19 Oct", "release": "12.11.91-1" }, "tvl-c-wbap401 + tvl-webapp": { "timestamp": " 10:07:25 AM ", "environment_id": "CERT4", "release_header": "Future Release", "date": "15 Oct", "release": "485-1" }, "tvl-c-wbap301 + tvl-webapp": { "timestamp": " 07:59:48 AM ", "environment_id": "CERT3", "release_header": "Next Release", "date": "15 Oct", "release": "485-1" }, "tvl-c-wbap201 + tvl-webapp": { "timestamp": " 03:34:07 AM ", "environment_id": "CERT2", "release_header": "Next Changes", "date": "15 Oct", "release": "13.12.3-1" }, "tvl-c-wbap101 + tvl-webapp": { "timestamp": " 12:44:23 AM ", "environment_id": "CERT1", "release_header": "Production Mirror", "date": "15 Oct", "release": "13.11.309-1" }, "tvl-s-wbap002 + tvl-webapp": { "timestamp": " 12:43:23 AM ", "environment_id": "Stage2", "date": "15 Oct", "release": "13.11.310-1" }, "tvl-s-wbap001 + tvl-webapp": { "timestamp": " 11:07:38 AM ", "environment_id": "Stage1", "release_header": "Production Mirror", "date": "11 Oct", "release": "13.11.310-1" }, "tvl-p-wbap001 + tvl-webapp": { "timestamp": " 11:39:25 PM ", "environment_id": "Production", "release_header": "Pilots", "date": "14 Oct", "release": "13.11.310-1" }, "tvl-p-wbap100 + tvl-webapp": { "timestamp": " 03:27:53 AM ", "environment_id": "Production", "release_header": "Non Pilots", "date": "11 Oct", "release": "13.11.309-1" } }
不pipe我写什么，我总是得到相同的顺序，或者我可以说，没有顺序。
orderBy仅适用于数组 – 请参阅http://docs.angularjs.org/api/ng.filter:orderBy
另外一个很好的filter，用于对象，而不是数组@ Angularjs ngBuffer OrderBy ng-repeat不起作用
如前所述，只有数组是允许的。 但是为了让你更简单，你可以通过pipe道函数将对象dynamic转换为数组，如https://gist.github.com/brev/3949705
只需声明filter，并将其添加到ng重复:)
<div ng-app="myApp"> <script type="text/javascript" src="https://ajax.googleapis.com/ajax/libs/angularjs/1.0.8/angular.min.js"></script> <div ng-controller="Main"> <div ng-repeat="release in releases | object2Array | orderBy:'environment_id'">{{release.environment_id}}</div> </div> <script> var app = angular.module('myApp', []).filter('object2Array', function() { return function(input) { var out = []; for(i in input){ out.push(input[i]); } return out; } }) .controller('Main',function ($scope) { $scope.releases = {"tvl-c-wbap001 + tvl-webapp":{"timestamp":" 05:05:53 PM ","environment_id":"CERT5","release_header":"Projects/Dev","date":"19 Oct","release":"12.11.91-1"},"tvl-c-wbap401 + tvl-webapp":{"timestamp":" 10:07:25 AM ","environment_id":"CERT4","release_header":"Future Release","date":"15 Oct","release":"485-1"},"tvl-c-wbap301 + tvl-webapp":{"timestamp":" 07:59:48 AM ","environment_id":"CERT3","release_header":"Next Release","date":"15 Oct","release":"485-1"},"tvl-c-wbap201 + tvl-webapp":{"timestamp":" 03:34:07 AM ","environment_id":"CERT2","release_header":"Next Changes","date":"15 Oct","release":"13.12.3-1"},"tvl-c-wbap101 + tvl-webapp":{"timestamp":" 12:44:23 AM ","environment_id":"CERT1","release_header":"Production Mirror","date":"15 Oct","release":"13.11.309-1"},"tvl-s-wbap002 + tvl-webapp":{"timestamp":" 12:43:23 AM ","environment_id":"Stage2","date":"15 Oct","release":"13.11.310-1"},"tvl-s-wbap001 + tvl-webapp":{"timestamp":" 11:07:38 AM ","environment_id":"Stage1","release_header":"Production Mirror","date":"11 Oct","release":"13.11.310-1"},"tvl-p-wbap001 + tvl-webapp":{"timestamp":" 11:39:25 PM ","environment_id":"Production","release_header":"Pilots","date":"14 Oct","release":"13.11.310-1"},"tvl-p-wbap100 + tvl-webapp":{"timestamp":" 03:27:53 AM ","environment_id":"Production","release_header":"Non Pilots","date":"11 Oct","release":"13.11.309-1"}} }); </script>
迭代对象时，内置的orderByfilter将不再工作。 由于对象字段的存储方式而被忽略。 您需要创build一个自定义filter
yourApp.filter('orderObjectBy', function() { return function(items, field, reverse) { var filtered = []; angular.forEach(items, function(item) { filtered.push(item); }); filtered.sort(function (a, b) { return (a[field] > b[field] ? 1 : -1); }); if(reverse) filtered.reverse(); return filtered; }; }); <ul> <li ng-repeat="item in items | orderObjectBy:'color':true">{{ item.color }}</li> </ul>
在Eike Thies上面的回应中，如果我们使用underscore.js，filter可以被简化为：
var app = angular.module('myApp', []).filter('object2Array', function() { return function(input) { return _.toArray(input); } });
这里是@ Julian Mosquera的代码的一个版本，它也支持按对象键sorting：
yourApp.filter('orderObjectBy', function () { return function (items, field, reverse) { // Build array var filtered = []; for (var key in items) { if (field === 'key') filtered.push(key); else filtered.push(items[key]); } // Sort array filtered.sort(function (a, b) { if (field === 'key') return (a > b ? 1 : -1); else return (a[field] > b[field] ? 1 : -1); }); // Reverse array if (reverse) filtered.reverse(); return filtered; }; });
你将不得不重新格式化你的发布对象是一个对象数组 。 然后你就可以按你试图的方式对它们进行sorting。
要添加到上面的朱利安的答案，orderObjectBy是一个独立的angular度模块： https ： //github.com/fmquaglia/ngOrderObjectBy
orderby在包含immidiate值的对象的数组上可以用作filter，即
controller.images = [{favs:1,name:"something"},{favs:0,name:"something else"}];
当上述数组重复时，可以使用| orderBy：'favs'可以直接引用该值，或者在前面使用减号来降序
<div class="timeline-image" ng-repeat="image in controller.images | orderBy:'-favs'"> <img ng-src="{{ images.name }}"/> </div>
