如何判断回调中是否选中了 SelectionInput 复选框？

Question

如何判断回调中是否选中了 SelectionInput 复选框项？我有以下内容：

section.addWidget(CardService.newSelectionInput()
                .setType(CardService.SelectionInputType.CHECK_BOX)
                .setFieldName("chkSaveAttachments")
                .addItem("Save Attachments", "chkSaveAttachmentsValue", true));

我的卡上有一个按钮可以触发回叫。从回调中，我只能访问值 ("chkSaveAttachmentsValue")，但我无法判断该框是已选中还是未选中。

function saveCallback(e) {
  Logger.log(e.formInput.chkSaveAttachments); //prints "chkSaveAttachmentsValue"
  Logger.log(e.formInput.chkSaveAttachments.chkSaveAttachmentsValue) //undefined
  Logger.log(e.formInput.chkSaveAttachments.chkSaveAttachmentsValue.selected) //undefined
}

Answer 1

您可以通过查看 onChange 回调中的 formInput 来获取复选框的状态。

CardService.newSelectionInput()
            .setType(CardService.SelectionInputType.CHECK_BOX)
            .setFieldName("chkSaveAttachments")
            .addItem("Save Attachments", "chkSaveAttachmentsValue", true).setOnChangeAction(selectionAction)

var selectionAction = CardService.newAction().setFunctionName("selectionAction").setParameters({"obj": obj});

function selectionAction(e) {
    //formInput value comes only when it is selected.
    var selected = !!e.formInput.chkSaveAttachments;
    // you can set and access paramters in the onchange action for further use.
    if(selected) {
    // cache the state using cacheservice
    } else {
    // cache the state using cacheservice
    }
}

Answer 2

如 here 所述，formInputs 属性在这里会有所帮助。

For multi-valued widgets such as checkboxes, you can read each value from formInputs instead.

在 formInputs 中，所有选定的选项都将存在于一个数组中 (e.formInputs.chkSaveAttachments)。因此，在您的 saveCallback 函数中，您可以检查 as

e.formInputs.chkSaveAttachments.indexOf('chkSaveAttachmentsValue') > -1

如何判断回调中是否选中了 SelectionInput 复选框？

How to tell if SelectionInput checkbox is checked or not in callback?

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