我是AngularJS
的新成员,我尝试从选择选项中获取整数。所以,我有如何从选择输入值中获取整数
<select class="form-control" id="decimation" placeholder="1 or 8" ng-model="data.settings.decimation">
<option type="number" value="1" ng-click="deci_bool=0">1</option>
<option type="number" value="8" ng-click="deci_bool=1">8</option>
</select>
,我想下面的输入与选项绑定值
<input ng-if="!deci_bool" type="number" class="form-control" id="b_mesu" placeholder="Between 0 and {{data.settings.decimation + 96 }}" ng-model="data.settings.b_mesu" min="0" max="97" step="1" ng-click="b_mesu_ctrl" required>
但似乎data.settings.decimation + 96
串接为一个字符串。
我试过了,下面SO
后在select
标签
ng-options="values.indexOf(data.settings.decimation) for data.settings.decimation in values"
增加,但我得到这个错误信息
Error: [ngOptions:iexp] Expected expression in form of '_select_ (as _label_)? for (_key_,)?_value_ in _collection_'
有人能帮忙吗?