Javascript 角度下拉菜单的最佳实践是什么&；ng选项

你好，我在AngularJS上创建了一个下拉菜单。但它返回给我的是一个对象，而不是项{“deptName”：“it”，“id”：“1”}。我只需要将id返回到我的表中。 是否需要在ng options=“department.deptName for item in department.departments”上更改任何内容 请参见示例：

<div class="jumbotron">


    <h1>The Selected is </h1>
    <h2>{{main.employeeData.dept}}</h2>

    <!-- form to add computer to the list -->
    <form class="form-inline" ng-controller="DeptController as department">
        <div class="form-group">
            <label class="col-sm-2 control-label">Dept menu</label>
            <div class="col-sm-6">
                <!--<select  required="true" ng-model="main.employeeData.dept" ng-options="item.deptName  for item in department.departments">-->
                <!--<option value="">Select Category</option>-->
                <!--</select>-->

                <select required="true" ng-model="main.employeeData.dept" ng-options="item.id as item.deptName for item in department.departments">
                    <option value="">Select Category</option>
                </select>
            </div>
        </div>

    </form>
</div>

</div>

JS

angular.module('firstApp', [])

.controller('EmpController', function() {
    var vm = this;
    // define a list of items
    vm.employees = [{
        name: 'Alex',
        id: '2233',
        dept: 'IT'
    }, {
        name: 'Scott',
        id: '2244',
        dept: 'IT'
    }, {
        name: 'Joe',
        id: '2255',
        dept: 'IT'
    }];
})

.controller('DeptController', function() {
    var vm = this;
    vm.departments = [{
        deptName: 'IT',
        id: '1'
    }, {
        deptName: 'Finance',
        id: '2'
    }, {
        deptName: 'Marketing',
        id: '3'
    }];
});

<div class="jumbotron">


    <h1>The Selected is </h1>
    <h2>{{main.employeeData.dept}}</h2>

    <!-- form to add computer to the list -->
    <form class="form-inline" ng-controller="DeptController as department">
        <div class="form-group">
            <label class="col-sm-2 control-label">Dept menu</label>
            <div class="col-sm-6">
                <!--<select  required="true" ng-model="main.employeeData.dept" ng-options="item.deptName  for item in department.departments">-->
                <!--<option value="">Select Category</option>-->
                <!--</select>-->

                <select required="true" ng-model="main.employeeData.dept" ng-options="item.id as item.deptName for item in department.departments">
                    <option value="">Select Category</option>
                </select>
            </div>
        </div>

    </form>
</div>

</div>

HTML

<div class="jumbotron">


    <h1>The Selected is </h1>
    <h2>{{main.employeeData.dept}}</h2>

    <!-- form to add computer to the list -->
    <form class="form-inline" ng-controller="DeptController as department">
        <div class="form-group">
            <label class="col-sm-2 control-label">Dept menu</label>
            <div class="col-sm-6">
                <!--<select  required="true" ng-model="main.employeeData.dept" ng-options="item.deptName  for item in department.departments">-->
                <!--<option value="">Select Category</option>-->
                <!--</select>-->

                <select required="true" ng-model="main.employeeData.dept" ng-options="item.id as item.deptName for item in department.departments">
                    <option value="">Select Category</option>
                </select>
            </div>
        </div>

    </form>
</div>

</div>

<div class="jumbotron">


    <h1>The Selected is </h1>
    <h2>{{main.employeeData.dept}}</h2>

    <!-- form to add computer to the list -->
    <form class="form-inline" ng-controller="DeptController as department">
        <div class="form-group">
            <label class="col-sm-2 control-label">Dept menu</label>
            <div class="col-sm-6">
                <!--<select  required="true" ng-model="main.employeeData.dept" ng-options="item.deptName  for item in department.departments">-->
                <!--<option value="">Select Category</option>-->
                <!--</select>-->

                <select required="true" ng-model="main.employeeData.dept" ng-options="item.id as item.deptName for item in department.departments">
                    <option value="">Select Category</option>
                </select>
            </div>
        </div>

    </form>
</div>

</div>

<div class="jumbotron">


    <h1>The Selected is </h1>
    <h2>{{main.employeeData.dept}}</h2>

    <!-- form to add computer to the list -->
    <form class="form-inline" ng-controller="DeptController as department">
        <div class="form-group">
            <label class="col-sm-2 control-label">Dept menu</label>
            <div class="col-sm-6">
                <!--<select  required="true" ng-model="main.employeeData.dept" ng-options="item.deptName  for item in department.departments">-->
                <!--<option value="">Select Category</option>-->
                <!--</select>-->

                <select required="true" ng-model="main.employeeData.dept" ng-options="item.id as item.deptName for item in department.departments">
                    <option value="">Select Category</option>
                </select>
            </div>
        </div>

    </form>
</div>

</div>

<div class="jumbotron">


    <h1>The Selected is </h1>
    <h2>{{main.employeeData.dept}}</h2>

    <!-- form to add computer to the list -->
    <form class="form-inline" ng-controller="DeptController as department">
        <div class="form-group">
            <label class="col-sm-2 control-label">Dept menu</label>
            <div class="col-sm-6">
                <!--<select  required="true" ng-model="main.employeeData.dept" ng-options="item.deptName  for item in department.departments">-->
                <!--<option value="">Select Category</option>-->
                <!--</select>-->

                <select required="true" ng-model="main.employeeData.dept" ng-options="item.id as item.deptName for item in department.departments">
                    <option value="">Select Category</option>
                </select>
            </div>
        </div>

    </form>
</div>

</div>

所选的是
{{main.employeeData.dept}
部门菜单
选择类别

<div class="jumbotron">


    <h1>The Selected is </h1>
    <h2>{{main.employeeData.dept}}</h2>

    <!-- form to add computer to the list -->
    <form class="form-inline" ng-controller="DeptController as department">
        <div class="form-group">
            <label class="col-sm-2 control-label">Dept menu</label>
            <div class="col-sm-6">
                <!--<select  required="true" ng-model="main.employeeData.dept" ng-options="item.deptName  for item in department.departments">-->
                <!--<option value="">Select Category</option>-->
                <!--</select>-->

                <select required="true" ng-model="main.employeeData.dept" ng-options="item.id as item.deptName for item in department.departments">
                    <option value="">Select Category</option>
                </select>
            </div>
        </div>

    </form>
</div>

</div>

---

您需要使用

的
作为
ng选项的
作为
item.id作为item.deptName
。它将在下拉值上显示
item.deptName
，并将
item.id
值分配给相应的select
ng模型

<div class="jumbotron">


    <h1>The Selected is </h1>
    <h2>{{main.employeeData.dept}}</h2>

    <!-- form to add computer to the list -->
    <form class="form-inline" ng-controller="DeptController as department">
        <div class="form-group">
            <label class="col-sm-2 control-label">Dept menu</label>
            <div class="col-sm-6">
                <!--<select  required="true" ng-model="main.employeeData.dept" ng-options="item.deptName  for item in department.departments">-->
                <!--<option value="">Select Category</option>-->
                <!--</select>-->

                <select required="true" ng-model="main.employeeData.dept" ng-options="item.id as item.deptName for item in department.departments">
                    <option value="">Select Category</option>
                </select>
            </div>
        </div>

    </form>
</div>

</div>

标记

<div class="jumbotron">


    <h1>The Selected is </h1>
    <h2>{{main.employeeData.dept}}</h2>

    <!-- form to add computer to the list -->
    <form class="form-inline" ng-controller="DeptController as department">
        <div class="form-group">
            <label class="col-sm-2 control-label">Dept menu</label>
            <div class="col-sm-6">
                <!--<select  required="true" ng-model="main.employeeData.dept" ng-options="item.deptName  for item in department.departments">-->
                <!--<option value="">Select Category</option>-->
                <!--</select>-->

                <select required="true" ng-model="main.employeeData.dept" ng-options="item.id as item.deptName for item in department.departments">
                    <option value="">Select Category</option>
                </select>
            </div>
        </div>

    </form>
</div>

</div>

 <select required="true" ng-model="main.employeeData.dept" ng-options="item.id as item.deptName for item in department.departments">
      <option value="">Select Category</option>
 </select>


选择类别

这里
很高兴知道，谢谢；）
<div class="jumbotron">


    <h1>The Selected is </h1>
    <h2>{{main.employeeData.dept}}</h2>

    <!-- form to add computer to the list -->
    <form class="form-inline" ng-controller="DeptController as department">
        <div class="form-group">
            <label class="col-sm-2 control-label">Dept menu</label>
            <div class="col-sm-6">
                <!--<select  required="true" ng-model="main.employeeData.dept" ng-options="item.deptName  for item in department.departments">-->
                <!--<option value="">Select Category</option>-->
                <!--</select>-->

                <select required="true" ng-model="main.employeeData.dept" ng-options="item.id as item.deptName for item in department.departments">
                    <option value="">Select Category</option>
                </select>
            </div>
        </div>

    </form>
</div>

</div>