GetCharactersLimit

返回文本字段的字符数限制。

语法

expression.GetCharactersLimit();

expression - 表示 ApiTextForm 类的变量。

参数

此方法没有任何参数。

返回值

number

示例

此示例展示如何获取文本字段的字符数限制。

// How to display the characters limit of the text form.

// Get the maximum number of characters that can be inserted to the text form.

let doc = Api.GetDocument();
let textForm = Api.CreateTextForm({"key": "Personal information", "tip": "Enter your first name", "required": true, "placeholder": "First name", "comb": true, "cellWidth": 3, "multiLine": false, "autoFit": false});
let paragraph = doc.GetElement(0);
paragraph.AddElement(textForm);
textForm.SetCharactersLimit(5);
textForm.SetText("John Smith");
let limit = textForm.GetCharactersLimit();
paragraph = Api.CreateParagraph();
paragraph.AddText("Characters limit: " + limit);
doc.Push(paragraph);