[英]Filter by object property in Angularjs
我正在尝试在AngularJS中创建一个简单的过滤器,该过滤器将通过我的JSON进行过滤:first_name,last_name和phone_number,但是我不确定如何在JSON中引用特定的属性来创建HTML下拉列表。
HTML
<div ng-app="instantsearch">
<div ng-controller="instantSearchCtrl">
<input type="text" class="search" ng-model="searchString" placeholder="Enter your search terms" />
<select class="data-ctrl" >
<option ng-repeat="i in items | filter:searchString" value="@{{ i.clientid }}">@{{ i.first_name }} @{{ i.last_name }}</option>
</select>
</div>
</div>
JSON
{"clients":
[
{"clientid":"1","first_name":"myfirst","last_name":"client","phone_number":"","email":""},
{"clientid":"2","first_name":"mysecond","last_name":"client","phone_number":"","email":""},
{"clientid":"3","first_name":"mythird","last_name":"client","phone_number":"","email":""},
{"clientid":"4","first_name":"myfourth","last_name":"client","phone_number":"","email":""}
]}
JS
var app = angular.module('instantsearch',[]);
app.controller('instantSearchCtrl',function($scope,$http){
$http.get('/api/clients').success(function(data, status, headers, config) {
$scope.items = data.data;
}).error(function(data, status, headers, config) {
console.log("No data found..");
});
});
app.filter('searchFor', function(){
return function(arr, searchString){
if(!searchString){
return arr;
}
var result = [];
searchString = searchString.toLowerCase();
angular.forEach(arr, function(item){
if(item.first_name.toLowerCase().indexOf(searchString) !== -1){
result.push(item);
}
});
return result;
};
});
您的问题实际上不在于您如何配置下拉列表,而在于控制器代码。 根据您的JSON,应为:
$scope.items = data.clients;
但是,您可以做的另一项改进是使用ngOptions而不是ngRepeat。 因此下拉列表将变为
<select class="data-ctrl"
ng-model="client"
ng-options="i.clientid as ('@' + i.first_name + ' @' + i.last_name) for i in items | filter:searchString">
</select>
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