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GetFormKey

返回当前表单的键。

继承自 ApiFormBase.GetFormKey。

语法​

expression.GetFormKey();

expression - 表示 ApiSignatureForm 类的变量。

参数​

此方法没有任何参数。

返回值​

string

示例​

读取文档中分配给签名表单的唯一键。

// How do I find out what key is set on a signature form in a document?

// Confirm which identifier label a signature form carries in a document.

let doc = Api.GetDocument();
let signatureForm = Api.CreateSignatureForm({"key": "Signature", "tip": "Please sign here", "placeholder": "Signature"});
let paragraph = doc.GetElement(0);
paragraph.AddElement(signatureForm);
let key = signatureForm.GetFormKey();
paragraph = Api.CreateParagraph();
paragraph.AddText("Form key: " + key);
doc.Push(paragraph);