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我发现很难想象有一种方法可以为 typeahead 指令获取一组值。

例如，在这个 plunker 中，http ://plnkr.co/edit/Sj0kOGipJ4gNv3VCnKzJ?p=preview

索引.html

<!doctype html>
<html ng-app="plunker">
  <head>
    <script src="//ajax.googleapis.com/ajax/libs/angularjs/1.2.10/angular.js"></script>
    <script src="//angular-ui.github.io/bootstrap/ui-bootstrap-tpls-0.11.0.js"></script>
    <script src="example.js"></script>
    <link href="//netdna.bootstrapcdn.com/bootstrap/3.1.1/css/bootstrap.min.css" rel="stylesheet">
  </head>
  <body>

<script type="text/ng-template" id="customTemplate.html">
  <a>
      <img ng-src="http://upload.wikimedia.org/wikipedia/commons/thumb/{{match.model.flag}}" width="16">
      <span bind-html-unsafe="match.label | typeaheadHighlight:query"></span>
  </a>
</script>
<div class='container-fluid' ng-controller="TypeaheadCtrl">

    <h4>Static arrays</h4>
    <pre>Model: {{selected | json}}</pre>
    <input type="text" ng-model="selected" typeahead="state for state in states | filter:$viewValue | limitTo:8" class="form-control">

    <h4>Asynchronous results</h4>
    <pre>Model: {{asyncSelected | json}}</pre>
    <input type="text" ng-model="asyncSelected" placeholder="Locations loaded via $http" typeahead="address for address in getLocation($viewValue)" typeahead-loading="loadingLocations" class="form-control">
    <i ng-show="loadingLocations" class="glyphicon glyphicon-refresh"></i>

    <h4>Custom templates for results</h4>
    <pre>Model: {{customSelected | json}}</pre>
    <input type="text" ng-model="customSelected" placeholder="Custom template" typeahead="state as state.name for state in statesWithFlags | filter:{name:$viewValue}" typeahead-template-url="customTemplate.html" class="form-control">
</div>
  </body>
</html>

例子.js

angular.module('plunker', ['ui.bootstrap']);
function TypeaheadCtrl($scope, $http) {

  $scope.selected = undefined;
  $scope.states = ['Alabama', 'Alaska', 'Arizona', 'Arkansas', 'California', 'Colorado', 'Connecticut', 'Delaware', 'Florida', 'Georgia', 'Hawaii', 'Idaho', 'Illinois', 'Indiana', 'Iowa', 'Kansas', 'Kentucky', 'Louisiana', 'Maine', 'Maryland', 'Massachusetts', 'Michigan', 'Minnesota', 'Mississippi', 'Missouri', 'Montana', 'Nebraska', 'Nevada', 'New Hampshire', 'New Jersey', 'New Mexico', 'New York', 'North Dakota', 'North Carolina', 'Ohio', 'Oklahoma', 'Oregon', 'Pennsylvania', 'Rhode Island', 'South Carolina', 'South Dakota', 'Tennessee', 'Texas', 'Utah', 'Vermont', 'Virginia', 'Washington', 'West Virginia', 'Wisconsin', 'Wyoming'];
  // Any function returning a promise object can be used to load values asynchronously
  $scope.getLocation = function(val) {
    return $http.get('http://maps.googleapis.com/maps/api/geocode/json', {
      params: {
        address: val,
        sensor: false
      }
    }).then(function(res){
      var addresses = [];
      angular.forEach(res.data.results, function(item){
        addresses.push(item.formatted_address);
      });
      return addresses;
    });
  };

  $scope.statesWithFlags = [{'name':'Alabama','flag':'5/5c/Flag_of_Alabama.svg/45px-Flag_of_Alabama.svg.png'},{'name':'Alaska','flag':'e/e6/Flag_of_Alaska.svg/43px-Flag_of_Alaska.svg.png'},{'name':'Arizona','flag':'9/9d/Flag_of_Arizona.svg/45px-Flag_of_Arizona.svg.png'},{'name':'Arkansas','flag':'9/9d/Flag_of_Arkansas.svg/45px-Flag_of_Arkansas.svg.png'},{'name':'California','flag':'0/01/Flag_of_California.svg/45px-Flag_of_California.svg.png'},{'name':'Colorado','flag':'4/46/Flag_of_Colorado.svg/45px-Flag_of_Colorado.svg.png'},{'name':'Connecticut','flag':'9/96/Flag_of_Connecticut.svg/39px-Flag_of_Connecticut.svg.png'},{'name':'Delaware','flag':'c/c6/Flag_of_Delaware.svg/45px-Flag_of_Delaware.svg.png'},{'name':'Florida','flag':'f/f7/Flag_of_Florida.svg/45px-Flag_of_Florida.svg.png'},{'name':'Georgia','flag':'5/54/Flag_of_Georgia_%28U.S._state%29.svg/46px-Flag_of_Georgia_%28U.S._state%29.svg.png'},{'name':'Hawaii','flag':'e/ef/Flag_of_Hawaii.svg/46px-Flag_of_Hawaii.svg.png'},{'name':'Idaho','flag':'a/a4/Flag_of_Idaho.svg/38px-Flag_of_Idaho.svg.png'},{'name':'Illinois','flag':'0/01/Flag_of_Illinois.svg/46px-Flag_of_Illinois.svg.png'},{'name':'Indiana','flag':'a/ac/Flag_of_Indiana.svg/45px-Flag_of_Indiana.svg.png'},{'name':'Iowa','flag':'a/aa/Flag_of_Iowa.svg/44px-Flag_of_Iowa.svg.png'},{'name':'Kansas','flag':'d/da/Flag_of_Kansas.svg/46px-Flag_of_Kansas.svg.png'},{'name':'Kentucky','flag':'8/8d/Flag_of_Kentucky.svg/46px-Flag_of_Kentucky.svg.png'},{'name':'Louisiana','flag':'e/e0/Flag_of_Louisiana.svg/46px-Flag_of_Louisiana.svg.png'},{'name':'Maine','flag':'3/35/Flag_of_Maine.svg/45px-Flag_of_Maine.svg.png'},{'name':'Maryland','flag':'a/a0/Flag_of_Maryland.svg/45px-Flag_of_Maryland.svg.png'},{'name':'Massachusetts','flag':'f/f2/Flag_of_Massachusetts.svg/46px-Flag_of_Massachusetts.svg.png'},{'name':'Michigan','flag':'b/b5/Flag_of_Michigan.svg/45px-Flag_of_Michigan.svg.png'},{'name':'Minnesota','flag':'b/b9/Flag_of_Minnesota.svg/46px-Flag_of_Minnesota.svg.png'},{'name':'Mississippi','flag':'4/42/Flag_of_Mississippi.svg/45px-Flag_of_Mississippi.svg.png'},{'name':'Missouri','flag':'5/5a/Flag_of_Missouri.svg/46px-Flag_of_Missouri.svg.png'},{'name':'Montana','flag':'c/cb/Flag_of_Montana.svg/45px-Flag_of_Montana.svg.png'},{'name':'Nebraska','flag':'4/4d/Flag_of_Nebraska.svg/46px-Flag_of_Nebraska.svg.png'},{'name':'Nevada','flag':'f/f1/Flag_of_Nevada.svg/45px-Flag_of_Nevada.svg.png'},{'name':'New Hampshire','flag':'2/28/Flag_of_New_Hampshire.svg/45px-Flag_of_New_Hampshire.svg.png'},{'name':'New Jersey','flag':'9/92/Flag_of_New_Jersey.svg/45px-Flag_of_New_Jersey.svg.png'},{'name':'New Mexico','flag':'c/c3/Flag_of_New_Mexico.svg/45px-Flag_of_New_Mexico.svg.png'},{'name':'New York','flag':'1/1a/Flag_of_New_York.svg/46px-Flag_of_New_York.svg.png'},{'name':'North Carolina','flag':'b/bb/Flag_of_North_Carolina.svg/45px-Flag_of_North_Carolina.svg.png'},{'name':'North Dakota','flag':'e/ee/Flag_of_North_Dakota.svg/38px-Flag_of_North_Dakota.svg.png'},{'name':'Ohio','flag':'4/4c/Flag_of_Ohio.svg/46px-Flag_of_Ohio.svg.png'},{'name':'Oklahoma','flag':'6/6e/Flag_of_Oklahoma.svg/45px-Flag_of_Oklahoma.svg.png'},{'name':'Oregon','flag':'b/b9/Flag_of_Oregon.svg/46px-Flag_of_Oregon.svg.png'},{'name':'Pennsylvania','flag':'f/f7/Flag_of_Pennsylvania.svg/45px-Flag_of_Pennsylvania.svg.png'},{'name':'Rhode Island','flag':'f/f3/Flag_of_Rhode_Island.svg/32px-Flag_of_Rhode_Island.svg.png'},{'name':'South Carolina','flag':'6/69/Flag_of_South_Carolina.svg/45px-Flag_of_South_Carolina.svg.png'},{'name':'South Dakota','flag':'1/1a/Flag_of_South_Dakota.svg/46px-Flag_of_South_Dakota.svg.png'},{'name':'Tennessee','flag':'9/9e/Flag_of_Tennessee.svg/46px-Flag_of_Tennessee.svg.png'},{'name':'Texas','flag':'f/f7/Flag_of_Texas.svg/45px-Flag_of_Texas.svg.png'},{'name':'Utah','flag':'f/f6/Flag_of_Utah.svg/45px-Flag_of_Utah.svg.png'},{'name':'Vermont','flag':'4/49/Flag_of_Vermont.svg/46px-Flag_of_Vermont.svg.png'},{'name':'Virginia','flag':'4/47/Flag_of_Virginia.svg/44px-Flag_of_Virginia.svg.png'},{'name':'Washington','flag':'5/54/Flag_of_Washington.svg/46px-Flag_of_Washington.svg.png'},{'name':'West Virginia','flag':'2/22/Flag_of_West_Virginia.svg/46px-Flag_of_West_Virginia.svg.png'},{'name':'Wisconsin','flag':'2/22/Flag_of_Wisconsin.svg/45px-Flag_of_Wisconsin.svg.png'},{'name':'Wyoming','flag':'b/bc/Flag_of_Wyoming.svg/43px-Flag_of_Wyoming.svg.png'}];
}

当您搜索和选择时，它只取一个值，因为条目本身就是将取的那个。但是，如果我想在地址旁边加上一个居民姓名，以供将来使用，甚至在一个表格中，该怎么办？

我试图通过传递像 item.residentName 这样的值来做到这一点，它只会显示一个地址列表，每个地址后面都有未定义的地址（前提是 residentName 已正确填充）。或者，如果我传递 .push(object)，该对象是一个对象，而不是一个仅具有值的 var，它会将每个列表项显示为 [Object, object]。

==进一步说明 例如在最后一步中getLocation()，我想传递而不是仅仅传递，我也想item.formatted_address传递item.geometry，而生成的列表仍将显示 formatted_address。

请让我知道这是否有意义。

谢谢

4

1 回答 1

7

这是一个有效的 plunkr：http ://plnkr.co/edit/hCIjHfEYDXhiCL4lOMBb

视图修改如下：

typeahead="address as address.formatted_address for address in getLocation($viewValue)"

因此，“地址”将绑定到模型。它将显示为“formatted_address”

您可以在文档中找到有关所有可能性的更多信息： https ://docs.angularjs.org/api/ng/directive/select查看 ng-options 语法

控制器修改如下：

angular.forEach(res.data.results, function(item){
addresses.push({
    formatted_address: item.formatted_address,
    geometry: item.geometry
    });
});
于 2014-08-18T20:46:40.623 回答