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首先寫法是這樣的

<select ng-model="xxx" ng-options="item.name for item in fishBreed track by item.fish_breed_id"></select>

ng-model里取出的就是你選中的對(duì)象， 雙向綁定會(huì)通過(guò)item.fish_breed_id綁定值

js：$scope.toString = function(){

                               list.id.toString();
                            }

html: <option value="{{toString(x.id)}}" ng-repeat="x in list" ng-bind="x.name"></option>