Typeahead在列表名称旁边获取多个值

时间：2014-08-18 20:21:42

标签： angularjs angular-ui angular-ui-bootstrap angular-ui-typeahead

我发现很难想象为typeahead指令获取一组值的方法。

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

的index.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>

example.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'}];
}

当你搜索并选择时，它只取一个值作为条目本身就是一个。但是，如果我想在地址旁边拿一个居民的名字，保留供将来使用，甚至是表格​​，该怎么办？

我尝试通过传递类似item.residentName的值来实现这一点，它只会显示一个地址列表，其中包含未定义的每个地址（前置条件是正确填充了residentName）。或者如果我传递.push（对象），该对象是一个对象而不是一个只有值的var，它会将每个列表项显示为[Object，object]。

==进一步澄清 例如，在getLocation()的最后一步中，我想要传递而不仅仅是item.formatted_address，我想传递item.geometry，而生成的列表仍会显示formatted_address。

如果有意义，请告诉我。

谢谢

1 个答案:

答案 0 :(得分：7)

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

视图修改如下：

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

＆＃39;地址＆＃39;因此将受到该模型的约束。它将显示为格式化地址＆＃39;

您可以在doc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
    });
});
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