angularjs 过滤器(不工作)
[英] angularjs filter (not working)
本文介绍了angularjs 过滤器(不工作)的处理方法，对大家解决问题具有一定的参考价值，需要的朋友们下面随着小编来一起学习吧！
问题描述
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?
<h1>目录<input type="text" data-ng-model="catalog_filter" placeholder="Filter Distributors"><div class="catalogs_listing"><ul data-ng-repeat="目录中的目录 | 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 class="catalog_info"><h2>{{distributors[catalog.distributor_id].name}}<span>{{catalog.products_count}}p</span><p>{{catalog.name}}</p>
</a>
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;});});
还有这 2 个 JSON:
api/distributors/my:
{数据": {9kkE1sL8vXSZMVaL":{创建":1346840145.22"，"uid": "9kkE1sL8vXSZMVaL","created_by": "3W7AoIQHTtvPauaK","name": "耐克","description": "就去做吧","image_file": "LogoNike.jpg",修改":1368443518.3894"，"modified_by": "3W7AoIQHTtvPauaK",货币":英镑"},1OBKUhpb8srwHVVb":{创建":1346840213.41"，"uid": "1OBKUhpb8srwHVVb","created_by": "3W7AoIQHTtvPauaK","name": "Zappos","description": "网上最受欢迎的鞋店","image_file": "zappos.jpg",修改":1347006513.93"，"modified_by": "3W7AoIQHTtvPauaK",货币":空},qHPXDp5lSQuz9z3Q":{创建":1346840305.78"，"uid": "qHPXDp5lSQuz9z3Q","created_by": "3W7AoIQHTtvPauaK","name": "基奇奈德","description": "它的制作方式","image_file": "kitchenaid_logo.gif",修改":1346840305.78"，"modified_by": "3W7AoIQHTtvPauaK",货币":空},9K4G8gE1sh4qpVG2":{创建":1346840443.32"，"uid": "9K4G8gE1sh4qpVG2","created_by": "3W7AoIQHTtvPauaK","name": "联合利华","description": "创造更美好的未来","image_file": "Unilever-logo.jpg",修改":1346842125.2"，"modified_by": "3W7AoIQHTtvPauaK",货币":空},55ORaD7h0EMcaX82":{创建":1346840529.93"，"uid": "55ORaD7h0EMcaX82","created_by": "3W7AoIQHTtvPauaK","name": "戴尔","description": "做更多事情的力量","image_file": "dell-logo.jpg",修改":1346840529.93"，"modified_by": "3W7AoIQHTtvPauaK",货币":空},2LHf5ZipYjA2PdXu":{创建":1352084334.37"，"uid": "2LHf5ZipYjA2PdXu","created_by": "3MO4JyiB9rMWTfBu","name": "网上零售商","description": "在线零售商","image_file": "家居和礼品.gif",修改":1352954806.28"，"modified_by": "cu3OraVD7WclpLrX",货币":空},MdTDL72ynFySuUCR":{创建":1352870158.83"，"uid": "MdTDL72ynFySuUCR","created_by": "1JiAF71w5VPHGgJe","name": "制服","description": "统一供应商","image_file": "CWLogo.png",修改":1358317144.85"，"modified_by": "sv3HuiiRbiuHWkul",货币":空},oyYmdDcod9fseZng":{创建":1352934703.42"，"uid": "oyYmdDcod9fseZng","created_by": "cu3OraVD7WclpLrX","name": "海蒂制药","description": "药物解决方案","image_file": "heidy.jpg",修改":1352934703.43"，"modified_by": "cu3OraVD7WclpLrX",货币":空},Kfs4HdFUfz6j2l2I":{创建":1352953682.22"，"uid": "Kfs4HdFUfz6j2l2I","created_by": "cu3OraVD7WclpLrX","name": "xxx","description": "在线零售商","image_file": "xxx.gif",修改":1352953828.34"，"modified_by": "cu3OraVD7WclpLrX",货币":空},g2qRqUWvPSLRvLQr":{创建":1352953924.68"，"uid": "g2qRqUWvPSLRvLQr","created_by": "cu3OraVD7WclpLrX","name": "ddd","description": "天然产品零售商","image_file": "yes-to.jpg",修改":1352953924.68"，"modified_by": "cu3OraVD7WclpLrX",货币":空},bbSu3jpFhdkG3TJR":{创建":1352954016.22"，"uid": "bbSu3jpFhdkG3TJR","created_by": "cu3OraVD7WclpLrX","name": "llll","description": "人造产品零售商","image_file": "l.jpg",修改":1352954016.23"，"modified_by": "cu3OraVD7WclpLrX",货币":空},X9xWF9VrRDqGWZ6S":{创建":1352954722.97"，"uid": "X9xWF9VrRDqGWZ6S","created_by": "cu3OraVD7WclpLrX","name": "zzz","描述": "玩具制造商","image_file": "zzz.jpg",修改":1352954722.97"，"modified_by": "cu3OraVD7WclpLrX",货币":空},02CCPuWtM6ZJVgiQ":{创建":1367741881.7113"，"uid": "02CCPuWtM6ZJVgiQ","created_by": "3W7AoIQHTtvPauaK","name": "测试品牌","描述": "xxx",图像文件":空，修改":1367741882.5129"，"modified_by": "3W7AoIQHTtvPauaK",货币":空},GjsdgMCzp1n379j0":{创建":1369136484.1802"，"uid": "GjsdgMCzp1n379j0","created_by": "3W7AoIQHTtvPauaK","name": "测试所有产品","description": "只是一个测试",图像文件":空，修改":1369136484.5298"，"modified_by": "3W7AoIQHTtvPauaK",货币:美元"},spVsxtJVroMkXQ1N":{创建":1370508658.353"，"uid": "spVsxtJVroMkXQ1N","created_by": "3W7AoIQHTtvPauaK","name": "pppp 导入",描述": ""，图像文件":空，修改":1370508658.4394"，"modified_by": "3W7AoIQHTtvPauaK",货币:美元"}}
api/仪表板/目录
{数据": {UPf17vFhMhiM2yYl":{创建":1352960014.4"，"uid": "UPf17vFhMhiM2yYl","created_by": "3MO4JyiB9rMWTfBu","name": "所有产品","description": "此目录包含您的所有产品",修改":1352960014.4"，"modified_by": "3MO4JyiB9rMWTfBu","distributor_id": "9kkE1sL8vXSZMVaL",图像":空，开始":空，结束":空，is_archived":空，"products_count": "0","thumb_image": "资源/媒体/default_image.jpg.thumbs/165x165.jpg"},ZUfcKpz0VrJZZZvW":{创建":1354172792.79"，"uid": "ZUfcKpz0VrJZZZvW","created_by": "ORIGWlEFxbuE945J","name": "测试目录",描述": ""，修改":1354172792.79"，"modified_by": "ORIGWlEFxbuE945J","distributor_id": "9kkE1sL8vXSZMVaL",图像":空，开始":空，结束":空，is_archived":空，"products_count": "0","thumb_image": "资源/媒体/default_image.jpg.thumbs/165x165.jpg"},6YoSSDCzLH8gEokf":{创建":1360706477.5283"，"uid": "6YoSSDCzLH8gEokf","created_by": "3W7AoIQHTtvPauaK","name": "xxx",描述": ""，修改":1360706477.5312"，"modified_by": "3W7AoIQHTtvPauaK","distributor_id": "9kkE1sL8vXSZMVaL",图像":空，开始":空，结束":空，is_archived":空，"products_count": "3","thumb_image": "资源/媒体/default_image.jpg.thumbs/165x165.jpg"},4AwqE7iTNQmjSBED":{创建":1360794567.8451"，"uid": "4AwqE7iTNQmjSBED","created_by": "3W7AoIQHTtvPauaK","name": "所有产品",描述":空，修改":1360794567.8454"，"modified_by": "3W7AoIQHTtvPauaK","distributor_id": "4AwqE7iTNQmjSBED",图像":空，开始":空，结束":空，is_archived":空，"products_count": "1","thumb_image": "资源/媒体/default_image.jpg.thumbs/165x165.jpg"},02CCPuWtM6ZJVgiQ":{创建":1367741881.7916"，"uid": "02CCPuWtM6ZJVgiQ","created_by": "3W7AoIQHTtvPauaK","name": "所有产品",描述":空，修改":1367741881.7919"，"modified_by": "3W7AoIQHTtvPauaK","distributor_id": "02CCPuWtM6ZJVgiQ",图像":空，开始":空，结束":空，is_archived":空，"products_count": "2095","thumb_image": "资源/媒体/default_image.jpg.thumbs/165x165.jpg"},9kkE1sL8vXSZMVaL":{创建":1368165852.0352"，"uid": "9kkE1sL8vXSZMVaL","created_by": "3W7AoIQHTtvPauaK","name": "所有产品",描述":空，修改":1368165852.0361"，"modified_by": "3W7AoIQHTtvPauaK","distributor_id": "9kkE1sL8vXSZMVaL",图像":空，开始":空，结束":空，is_archived":空，"products_count": "26","thumb_image": "资源/媒体/default_image.jpg.thumbs/165x165.jpg"},ZmSiqOK2C2Sq3MWB":{创建":1368958571.9548"，"uid": "ZmSiqOK2C2Sq3MWB","created_by": "3W7AoIQHTtvPauaK","name": "测试目录",描述": ""，修改":1368958571.9581"，"modified_by": "3W7AoIQHTtvPauaK","distributor_id": "02CCPuWtM6ZJVgiQ",图像":空，开始":0"，结束":0"，"is_archived": "1","products_count": "0","thumb_image": "资源/媒体/default_image.jpg.thumbs/165x165.jpg"},flzoMbizDDTDpjgc":{创建":1368958778.8623"，"uid": "flzoMbizDDTDpjgc","created_by": "3W7AoIQHTtvPauaK","name": "xzczxc",描述": ""，修改":1368958778.8637"，"modified_by": "3W7AoIQHTtvPauaK","distributor_id": "02CCPuWtM6ZJVgiQ",图像":空，开始":0"，结束":0"，"is_archived": "0","products_count": "29","thumb_image": "资源/媒体/default_image.jpg.thumbs/165x165.jpg"},KfRJHxp7jBnBGCJ5":{创建":1369219487.4418"，"uid": "KfRJHxp7jBnBGCJ5","created_by": "3W7AoIQHTtvPauaK","name": "hhh",描述": ""，修改":1369219487.4433"，"modified_by": "3W7AoIQHTtvPauaK","distributor_id": "9kkE1sL8vXSZMVaL",图像":空，开始":0"，结束":0"，"is_archived": "0","products_count": "7","thumb_image": "资源/媒体/default_image.jpg.thumbs/165x165.jpg"},spVsxtJVroMkXQ1N":{创建":1370508658.3567"，"uid": "spVsxtJVroMkXQ1N","created_by": "3W7AoIQHTtvPauaK","name": "所有产品",描述":空，修改":1370508658.3575"，"modified_by": "3W7AoIQHTtvPauaK","distributor_id": "spVsxtJVroMkXQ1N",图像":空，开始":0"，结束":0"，"is_archived": "0","products_count": "343","thumb_image": "资源/媒体/default_image.jpg.thumbs/165x165.jpg"},1OBKUhpb8srwHVVb":{创建":1370857435.5606"，"uid": "1OBKUhpb8srwHVVb","created_by": "3W7AoIQHTtvPauaK","name": "所有产品",描述":空，修改":1370857435.5612"，"modified_by": "3W7AoIQHTtvPauaK","distributor_id": "1OBKUhpb8srwHVVb",图像":空，开始":0"，结束":0"，"is_archived": "0","products_count": "4","thumb_image": "资源/媒体/default_image.jpg.thumbs/165x165.jpg"},wXMHFdPyiXFBuRjJ":{创建":1370864864.1247"，"uid": "wXMHFdPyiXFBuRjJ","created_by": "3W7AoIQHTtvPauaK","name": "x",描述": ""，修改":1370864864.1278"，"modified_by": "3W7AoIQHTtvPauaK","distributor_id": "spVsxtJVroMkXQ1N",图像":空，开始":0"，结束":0"，"is_archived": "0","products_count": "10","thumb_image": "资源/媒体/default_image.jpg.thumbs/165x165.jpg"},GjsdgMCzp1n379j0":{创建":1371116610.6898"，"uid": "GjsdgMCzp1n379j0","created_by": "3W7AoIQHTtvPauaK","name": "所有产品",描述":空，修改":1371116610.6902"，"modified_by": "3W7AoIQHTtvPauaK","distributor_id": "GjsdgMCzp1n379j0",图像":空，开始":0"，结束":0"，"is_archived": "0","products_count": "2095","thumb_image": "资源/媒体/default_image.jpg.thumbs/165x165.jpg"},gvWLNWwsI3B7mnCU":{创建":1371116669.5872"，"uid": "gvWLNWwsI3B7mnCU","created_by": "3W7AoIQHTtvPauaK","name": "所有产品",描述":空，修改":1371116669.5877"，"modified_by": "3W7AoIQHTtvPauaK","distributor_id": "gvWLNWwsI3B7mnCU",图像":空，开始":0"，结束":0"，"is_archived": "0","products_count": 0,"thumb_image": "资源/媒体/default_image.jpg.thumbs/165x165.jpg"}}
解决方案
Angular 过滤器无法将对象的对象作为输入处理.ng-repeat 可以渲染它们，但过滤器需要一个对象数组.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角度转换响应(成本更高).
The following HTML, Javascript and JSON render correctly, but the filter does not work at all. What are we doing wrong?
<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>
The 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;
});
});
And these 2 JSONs:
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": "",
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解决方案
Angular filters cannot handle an object of objects as input. ng-repeat can render them, but filters expect an array of objects. The easiest way to fix this is to let the server return an array without named keys. You could also transform the response in angular after each request (more expensive).
这篇关于angularjs 过滤器(不工作)的文章就介绍到这了，希望我们推荐的答案对大家有所帮助，也希望大家多多支持IT屋！
