我正在使用 Angular UI-bootstrap typeahead。
我有 HTML
<input type="text"
ng-init="selectedCrossFormFieldText = selectedCrossFormFieldText || {}"
ng-model="selectedCrossFormFieldText[fieldId]"
placeholder="Auto-complete data from field of form"
empty-typeahead
ng-trim="false"
typeahead="crossFormField.id as crossFormField for crossFormField in getCrossFormFieldData(fieldId, $viewValue) | filter:$viewValue:optionComparator"
typeahead-template-url="views/blocks/cross_form_data_typeahead.html"
typeahead-on-select="addCrossFormField(fieldId, $item, $model, $label)"
typeahead-loading="loadingCrossFormField[fieldId]"
typeahead-min-length="0" class="form-control" />
and
Script:
.then(function (response) {
console.log('DataForTypeahead', response);
return response.data;
});
当我输入时,它会在预先输入弹出窗口中显示匹配的选项。但是,当没有匹配项时,我应该如何在同一个弹出窗口中显示“未找到匹配项”?
您可以测试response.data的大小。如果为 0,则将一个元素压入数组:
.then(function (response) {
console.log('DataForTypeahead', response);
if (response.data.length === 0) {
response.data.push({
label: 'No matches found'
})
}
return response.data;
});
您可能需要修改您的预输入代码,如下所示
typeahead="crossFormField.id as crossFormField.label for crossFormField in getCrossFormFieldData(fieldId, $viewValue) | filter:$viewValue:optionComparator"
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