javascript - 通过文本搜索和下拉列表进行 Angular 过滤

Question

我遇到了麻烦，我似乎找不到答案。我正在尝试使用文本输入框和下拉菜单进行过滤。这是一个梦幻足球应用程序，可以为您提供一个想法。下面是一些代码

 <form class="form-inline search-width">
<input class="search form-control" type="text" ng-model="nameSearch.name">
<select class="form-control" ng-model="nameSearch.position">
    <option value="All">All</option>
    <option value="QB">QB</option>
    <option value="RB">RB</option>
    <option value="WR">WR</option>
    <option value="TE">TE</option>
    <option value="DEF">DEF</option>
    <option value="K">K</option>
</select>
    {{nameSearch.position}}
</form>
<ul class="list">

    <li ng-repeat="list in playerlist" 
        ng-click="PlayerSelected($event, this)">Rank: {{list.Rank}} Pos: {{list.Position}} {{list.Team}}</br>
        {{list.Last}}, {{list.First}} Bye: {{list.Bye}}</li>

</ul>

我对如何使用这两种输入进行搜索一无所知。下拉菜单应该只搜索位置值。输入框真的可以搜索任何东西。

Answer 1

自定义过滤器在您的情况下可能很有用。那我将如何解决这个问题。

过滤器:

angular.module('DraftBoard').filter('playersFilter', function () {
    return function (input, filterObject) {
        if (filterObject == undefined) { return input; }

        var searchName = filterObject.name.toLowerCase();
        var searchPosition = filterObject.position.toLowerCase();
        var out = [];
        if (input != undefined) {
            for (var i = 0; i < input.length; i++) {

                var firstName = input[i].First != undefined ? input[i].First.toString().toLowerCase() : '';
                var lastName = input[i].Last != undefined ? input[i].Last.toString().toLowerCase() : '';
                var team = input[i].Team != undefined ? input[i].Team.toString().toLowerCase() : '';
                var position = input[i].Position != undefined ? input[i].Position.toString().toLowerCase() : '';

                var filterCondition = ((searchPosition === 'all') || (position.indexOf(searchPosition) > -1))
                    && ((searchName == '') || (firstName.indexOf(searchName) > -1) || (lastName.indexOf(searchName) > -1) || (team.indexOf(searchName) > -1));

                if (filterCondition) {
                    out.push(input[i]);
                }
            }
        }
        return out;
    };
});

在你的 Controller 中添加:

$scope.nameSearch = {
        name: '',
        position: 'All'
    };

在 View 中这样使用它:

<div class="selectionlist">
    <form class="form-inline search-width">
    <input class="search form-control" type="text" ng-model="nameSearch.name">
    <select class="form-control" ng-model="nameSearch.position">
        <option value="All">All</option>
        <option value="QB">QB</option>
        <option value="RB">RB</option>
        <option value="WR">WR</option>
        <option value="TE">TE</option>
        <option value="DEF">DEF</option>
        <option value="K">K</option>
    </select>
        {{nameSearch.position}}
    </form>
    <ul class="list">

        <li ng-repeat="list in playerlist | playersFilter:nameSearch "
            ng-click="PlayerSelected($event, this)">
            Rank: {{list.Rank}} Pos: {{list.Position}} {{list.Team}}</br>
            {{list.Last}}, {{list.First}} Bye: {{list.Bye}}
        </li>

    </ul>

</div>