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社区首页 >问答首页 >angularjs过滤器(不起作用)

问angularjs过滤器(不起作用)
EN

Stack Overflow用户
提问于 2013-07-16 17:19:50
回答 7查看 43.7K关注 0票数 16

以下HTML、Javascript和JSON可以正确呈现，但过滤器根本不起作用。我们做错了什么？

<div data-ng-controller="dashboard_controller">
    <h1>
        Catalogs
        <input type="text" data-ng-model="catalog_filter" placeholder="Filter Distributors">
    </h1>

    <div class="catalogs_listing">
        <ul data-ng-repeat="catalog in catalogs | filter:catalog_filter">
            <li><a href="{{catalog.distributor_id}}/d/products/catalog_view/{{catalog.uid}}">
                <div class="catalog_thumb">
                    <div class="catalog_thumb_image">
                        <img src="{{catalog.thumb_image}}" />
                    </div>
                </div>
                <div class="catalog_info">
                    <h2>{{distributors[catalog.distributor_id].name}}
                        <span>{{catalog.products_count}}p</span>
                    </h2>
                    <p>{{catalog.name}}</p>
                </div>
                </a>
            </li>
        </ul>
    </div>
</div>

Javascript：

app.controller('dashboard_controller', function ($scope, $http) {
    $http.get('./api/distributors/my').then(function (res) {
        $scope.distributors = res.data;
    });
    $http.get('./api/dashboard/catalogs').then(function (res) {
        $scope.catalogs = res.data;
    });
});

和这两个JSON：

api/distributors/my:

{
    "data": {
        "9kkE1sL8vXSZMVaL": {
            "created": "1346840145.22",
            "uid": "9kkE1sL8vXSZMVaL",
            "created_by": "3W7AoIQHTtvPauaK",
            "name": "Nikee",
            "description": "Just do it",
            "image_file": "LogoNike.jpg",
            "modified": "1368443518.3894",
            "modified_by": "3W7AoIQHTtvPauaK",
            "currency": "gbp"
        },
        "1OBKUhpb8srwHVVb": {
            "created": "1346840213.41",
            "uid": "1OBKUhpb8srwHVVb",
            "created_by": "3W7AoIQHTtvPauaK",
            "name": "Zappos",
            "description": "The webs most popular shoe store",
            "image_file": "zappos.jpg",
            "modified": "1347006513.93",
            "modified_by": "3W7AoIQHTtvPauaK",
            "currency": null
        },
        "qHPXDp5lSQuz9z3Q": {
            "created": "1346840305.78",
            "uid": "qHPXDp5lSQuz9z3Q",
            "created_by": "3W7AoIQHTtvPauaK",
            "name": "Kitchenaid",
            "description": "For the way it's made",
            "image_file": "kitchenaid_logo.gif",
            "modified": "1346840305.78",
            "modified_by": "3W7AoIQHTtvPauaK",
            "currency": null
        },
        "9K4G8gE1sh4qpVG2": {
            "created": "1346840443.32",
            "uid": "9K4G8gE1sh4qpVG2",
            "created_by": "3W7AoIQHTtvPauaK",
            "name": "Unilever",
            "description": "Create a better future",
            "image_file": "Unilever-logo.jpg",
            "modified": "1346842125.2",
            "modified_by": "3W7AoIQHTtvPauaK",
            "currency": null
        },
        "55ORaD7h0EMcaX82": {
            "created": "1346840529.93",
            "uid": "55ORaD7h0EMcaX82",
            "created_by": "3W7AoIQHTtvPauaK",
            "name": "Dell",
            "description": "The power to do more",
            "image_file": "dell-logo.jpg",
            "modified": "1346840529.93",
            "modified_by": "3W7AoIQHTtvPauaK",
            "currency": null
        },
        "2LHf5ZipYjA2PdXu": {
            "created": "1352084334.37",
            "uid": "2LHf5ZipYjA2PdXu",
            "created_by": "3MO4JyiB9rMWTfBu",
            "name": "Online Retailer",
            "description": "Online Retailer",
            "image_file": "Home and Giftware.gif",
            "modified": "1352954806.28",
            "modified_by": "cu3OraVD7WclpLrX",
            "currency": null
        },
        "MdTDL72ynFySuUCR": {
            "created": "1352870158.83",
            "uid": "MdTDL72ynFySuUCR",
            "created_by": "1JiAF71w5VPHGgJe",
            "name": "Uniuniform",
            "description": "Uniform Suppliers",
            "image_file": "CWLogo.png",
            "modified": "1358317144.85",
            "modified_by": "sv3HuiiRbiuHWkul",
            "currency": null
        },
        "oyYmdDcod9fseZng": {
            "created": "1352934703.42",
            "uid": "oyYmdDcod9fseZng",
            "created_by": "cu3OraVD7WclpLrX",
            "name": "Heidy Pharmaceuticals",
            "description": "Pharmaceutical Solutions",
            "image_file": "heidy.jpg",
            "modified": "1352934703.43",
            "modified_by": "cu3OraVD7WclpLrX",
            "currency": null
        },
        "Kfs4HdFUfz6j2l2I": {
            "created": "1352953682.22",
            "uid": "Kfs4HdFUfz6j2l2I",
            "created_by": "cu3OraVD7WclpLrX",
            "name": "xxx",
            "description": "Online Retailer",
            "image_file": "xxx.gif",
            "modified": "1352953828.34",
            "modified_by": "cu3OraVD7WclpLrX",
            "currency": null
        },
        "g2qRqUWvPSLRvLQr": {
            "created": "1352953924.68",
            "uid": "g2qRqUWvPSLRvLQr",
            "created_by": "cu3OraVD7WclpLrX",
            "name": "ddd",
            "description": "Natural Product Retailer",
            "image_file": "yes-to.jpg",
            "modified": "1352953924.68",
            "modified_by": "cu3OraVD7WclpLrX",
            "currency": null
        },
        "bbSu3jpFhdkG3TJR": {
            "created": "1352954016.22",
            "uid": "bbSu3jpFhdkG3TJR",
            "created_by": "cu3OraVD7WclpLrX",
            "name": "llll",
            "description": "Artificial Product Retailer",
            "image_file": "l.jpg",
            "modified": "1352954016.23",
            "modified_by": "cu3OraVD7WclpLrX",
            "currency": null
        },
        "X9xWF9VrRDqGWZ6S": {
            "created": "1352954722.97",
            "uid": "X9xWF9VrRDqGWZ6S",
            "created_by": "cu3OraVD7WclpLrX",
            "name": "zzz",
            "description": "Toy Manufacturer",
            "image_file": "zzz.jpg",
            "modified": "1352954722.97",
            "modified_by": "cu3OraVD7WclpLrX",
            "currency": null
        },
        "02CCPuWtM6ZJVgiQ": {
            "created": "1367741881.7113",
            "uid": "02CCPuWtM6ZJVgiQ",
            "created_by": "3W7AoIQHTtvPauaK",
            "name": "test brand",
            "description": "xxxx",
            "image_file": null,
            "modified": "1367741882.5129",
            "modified_by": "3W7AoIQHTtvPauaK",
            "currency": null
        },
        "GjsdgMCzp1n379j0": {
            "created": "1369136484.1802",
            "uid": "GjsdgMCzp1n379j0",
            "created_by": "3W7AoIQHTtvPauaK",
            "name": "testing all products",
            "description": "just a test",
            "image_file": null,
            "modified": "1369136484.5298",
            "modified_by": "3W7AoIQHTtvPauaK",
            "currency": "usd"
        },
        "spVsxtJVroMkXQ1N": {
            "created": "1370508658.353",
            "uid": "spVsxtJVroMkXQ1N",
            "created_by": "3W7AoIQHTtvPauaK",
            "name": "pppp Import",
            "description": "",
            "image_file": null,
            "modified": "1370508658.4394",
            "modified_by": "3W7AoIQHTtvPauaK",
            "currency": "usd"
        }
    }

api/dashboard/catalogs

{
    "data": {
        "UPf17vFhMhiM2yYl": {
            "created": "1352960014.4",
            "uid": "UPf17vFhMhiM2yYl",
            "created_by": "3MO4JyiB9rMWTfBu",
            "name": "All Products",
            "description": "This catalog contains all of your products",
            "modified": "1352960014.4",
            "modified_by": "3MO4JyiB9rMWTfBu",
            "distributor_id": "9kkE1sL8vXSZMVaL",
            "image": null,
            "start": null,
            "end": null,
            "is_archived": null,
            "products_count": "0",
            "thumb_image": "resources/media/default_image.jpg.thumbs/165x165.jpg"
        },
        "ZUfcKpz0VrJZZZvW": {
            "created": "1354172792.79",
            "uid": "ZUfcKpz0VrJZZZvW",
            "created_by": "ORIGWlEFxbuE945J",
            "name": "test catalog",
            "description": "",
            "modified": "1354172792.79",
            "modified_by": "ORIGWlEFxbuE945J",
            "distributor_id": "9kkE1sL8vXSZMVaL",
            "image": null,
            "start": null,
            "end": null,
            "is_archived": null,
            "products_count": "0",
            "thumb_image": "resources/media/default_image.jpg.thumbs/165x165.jpg"
        },
        "6YoSSDCzLH8gEokf": {
            "created": "1360706477.5283",
            "uid": "6YoSSDCzLH8gEokf",
            "created_by": "3W7AoIQHTtvPauaK",
            "name": "xxxx",
            "description": "",
            "modified": "1360706477.5312",
            "modified_by": "3W7AoIQHTtvPauaK",
            "distributor_id": "9kkE1sL8vXSZMVaL",
            "image": null,
            "start": null,
            "end": null,
            "is_archived": null,
            "products_count": "3",
            "thumb_image": "resources/media/default_image.jpg.thumbs/165x165.jpg"
        },
        "4AwqE7iTNQmjSBED": {
            "created": "1360794567.8451",
            "uid": "4AwqE7iTNQmjSBED",
            "created_by": "3W7AoIQHTtvPauaK",
            "name": "All Products",
            "description": null,
            "modified": "1360794567.8454",
            "modified_by": "3W7AoIQHTtvPauaK",
            "distributor_id": "4AwqE7iTNQmjSBED",
            "image": null,
            "start": null,
            "end": null,
            "is_archived": null,
            "products_count": "1",
            "thumb_image": "resources/media/default_image.jpg.thumbs/165x165.jpg"
        },
        "02CCPuWtM6ZJVgiQ": {
            "created": "1367741881.7916",
            "uid": "02CCPuWtM6ZJVgiQ",
            "created_by": "3W7AoIQHTtvPauaK",
            "name": "All Products",
            "description": null,
            "modified": "1367741881.7919",
            "modified_by": "3W7AoIQHTtvPauaK",
            "distributor_id": "02CCPuWtM6ZJVgiQ",
            "image": null,
            "start": null,
            "end": null,
            "is_archived": null,
            "products_count": "2095",
            "thumb_image": "resources/media/default_image.jpg.thumbs/165x165.jpg"
        },
        "9kkE1sL8vXSZMVaL": {
            "created": "1368165852.0352",
            "uid": "9kkE1sL8vXSZMVaL",
            "created_by": "3W7AoIQHTtvPauaK",
            "name": "All Products",
            "description": null,
            "modified": "1368165852.0361",
            "modified_by": "3W7AoIQHTtvPauaK",
            "distributor_id": "9kkE1sL8vXSZMVaL",
            "image": null,
            "start": null,
            "end": null,
            "is_archived": null,
            "products_count": "26",
            "thumb_image": "resources/media/default_image.jpg.thumbs/165x165.jpg"
        },
        "ZmSiqOK2C2Sq3MWB": {
            "created": "1368958571.9548",
            "uid": "ZmSiqOK2C2Sq3MWB",
            "created_by": "3W7AoIQHTtvPauaK",
            "name": "Test Catalog",
            "description": "",
            "modified": "1368958571.9581",
            "modified_by": "3W7AoIQHTtvPauaK",
            "distributor_id": "02CCPuWtM6ZJVgiQ",
            "image": null,
            "start": "0",
            "end": "0",
            "is_archived": "1",
            "products_count": "0",
            "thumb_image": "resources/media/default_image.jpg.thumbs/165x165.jpg"
        },
        "flzoMbizDDTDpjgc": {
            "created": "1368958778.8623",
            "uid": "flzoMbizDDTDpjgc",
            "created_by": "3W7AoIQHTtvPauaK",
            "name": "xzczxc",
            "description": "",
            "modified": "1368958778.8637",
            "modified_by": "3W7AoIQHTtvPauaK",
            "distributor_id": "02CCPuWtM6ZJVgiQ",
            "image": null,
            "start": "0",
            "end": "0",
            "is_archived": "0",
            "products_count": "29",
            "thumb_image": "resources/media/default_image.jpg.thumbs/165x165.jpg"
        },
        "KfRJHxp7jBnBGCJ5": {
            "created": "1369219487.4418",
            "uid": "KfRJHxp7jBnBGCJ5",
            "created_by": "3W7AoIQHTtvPauaK",
            "name": "hhh",
            "description": "",
            "modified": "1369219487.4433",
            "modified_by": "3W7AoIQHTtvPauaK",
            "distributor_id": "9kkE1sL8vXSZMVaL",
            "image": null,
            "start": "0",
            "end": "0",
            "is_archived": "0",
            "products_count": "7",
            "thumb_image": "resources/media/default_image.jpg.thumbs/165x165.jpg"
        },
        "spVsxtJVroMkXQ1N": {
            "created": "1370508658.3567",
            "uid": "spVsxtJVroMkXQ1N",
            "created_by": "3W7AoIQHTtvPauaK",
            "name": "All Products",
            "description": null,
            "modified": "1370508658.3575",
            "modified_by": "3W7AoIQHTtvPauaK",
            "distributor_id": "spVsxtJVroMkXQ1N",
            "image": null,
            "start": "0",
            "end": "0",
            "is_archived": "0",
            "products_count": "343",
            "thumb_image": "resources/media/default_image.jpg.thumbs/165x165.jpg"
        },
        "1OBKUhpb8srwHVVb": {
            "created": "1370857435.5606",
            "uid": "1OBKUhpb8srwHVVb",
            "created_by": "3W7AoIQHTtvPauaK",
            "name": "All Products",
            "description": null,
            "modified": "1370857435.5612",
            "modified_by": "3W7AoIQHTtvPauaK",
            "distributor_id": "1OBKUhpb8srwHVVb",
            "image": null,
            "start": "0",
            "end": "0",
            "is_archived": "0",
            "products_count": "4",
            "thumb_image": "resources/media/default_image.jpg.thumbs/165x165.jpg"
        },
        "wXMHFdPyiXFBuRjJ": {
            "created": "1370864864.1247",
            "uid": "wXMHFdPyiXFBuRjJ",
            "created_by": "3W7AoIQHTtvPauaK",
            "name": "x",
            "description": "",
            "modified": "1370864864.1278",
            "modified_by": "3W7AoIQHTtvPauaK",
            "distributor_id": "spVsxtJVroMkXQ1N",
            "image": null,
            "start": "0",
            "end": "0",
            "is_archived": "0",
            "products_count": "10",
            "thumb_image": "resources/media/default_image.jpg.thumbs/165x165.jpg"
        },
        "GjsdgMCzp1n379j0": {
            "created": "1371116610.6898",
            "uid": "GjsdgMCzp1n379j0",
            "created_by": "3W7AoIQHTtvPauaK",
            "name": "All Products",
            "description": null,
            "modified": "1371116610.6902",
            "modified_by": "3W7AoIQHTtvPauaK",
            "distributor_id": "GjsdgMCzp1n379j0",
            "image": null,
            "start": "0",
            "end": "0",
            "is_archived": "0",
            "products_count": "2095",
            "thumb_image": "resources/media/default_image.jpg.thumbs/165x165.jpg"
        },
        "gvWLNWwsI3B7mnCU": {
            "created": "1371116669.5872",
            "uid": "gvWLNWwsI3B7mnCU",
            "created_by": "3W7AoIQHTtvPauaK",
            "name": "All Products",
            "description": null,
            "modified": "1371116669.5877",
            "modified_by": "3W7AoIQHTtvPauaK",
            "distributor_id": "gvWLNWwsI3B7mnCU",
            "image": null,
            "start": "0",
            "end": "0",
            "is_archived": "0",
            "products_count": 0,
            "thumb_image": "resources/media/default_image.jpg.thumbs/165x165.jpg"
        }
    }
javascript
json
angularjs
EN

回答 7

Stack Overflow用户

回答已采纳

发布于 2013-07-16 20:21:38

角度滤镜不能将对象的对象作为输入处理。ng-repeat可以渲染它们，但滤镜需要一个对象数组。解决这个问题的最简单方法是让服务器返回一个没有命名键的数组。您还可以在每次请求后以angular格式转换响应(更昂贵)。

票数 43
EN

Stack Overflow用户

发布于 2013-09-27 04:49:22

正如Narretz已经提到的，角度滤镜不能处理对象的对象作为输入。但是您可以编写自己的简单过滤器，将对象的对象转换为对象数组。你可以通过链接在你的数组过滤器后面使用角度过滤器。

<ul data-ng-repeat="catalog in catalogs | array | filter:catalog_filter">

您的数组过滤器可以像下面这样简单：

app.filter('array', function() {
  return function(items) {
    var filtered = [];
    angular.forEach(items, function(item) {
      filtered.push(item);
    });
   return filtered;
  };
});
票数 34
EN

Stack Overflow用户

发布于 2013-07-16 18:43:44

假设您想要使用分销商名称过滤目录，则使用以下自定义过滤器来完成此工作：

<div data-ng-controller="dashboard_controller">

<h1>
    Catalogs
    <input type="text" data-ng-model="catalog_filter"  placeholder="Filter Distributors">
</h1>

    <div class="catalogs_listing">
        <ul data-ng-repeat="catalog in catalogs | distributorName: catalog_filter:distributors">
            <li> <a href="{{catalog.distributor_id}}/d/products/catalog_view/{{catalog.uid}}">
                <div class="catalog_thumb">
                    <div class="catalog_thumb_image">
                        <span>demo - no image</span>
                    </div>
                </div>
                <div class="catalog_info">
                    <h2>{{distributors[catalog.distributor_id].name}} <span>{{catalog.products_count}}p</span></h2>
                    <p>{{catalog.name}}</p>
                </div>
            </a>

            </li>
        </ul>
    </div>
</div>

app.filter('distributorName', function() {
  return function(items, filterValue, distributors) {
      if (!filterValue){
          return items;
      }  
      var result = {};
        angular.forEach(items, function(value, key) {
            var distributor = distributors[value.distributor_id];
            if (distributor && distributor.name && distributor.name.toLowerCase().indexOf(filterValue.toLowerCase()) > -1){
                result[key] = value;
            }
        });
        return result;
    };
});

包含本地数据的JSFiddle：http://jsfiddle.net/alfrescian/p8zgp/

票数 3
EN
页面原文内容由Stack Overflow提供。腾讯云小微IT领域专用引擎提供翻译支持
原文链接：

https://stackoverflow.com/questions/17672614

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