alphanumeric field

基本解釋

The field is required, has a max length of 40 characters, and accepts alphanumeric values only.
該屬性是必需的，最大長(zhǎng)度是40個(gè)字符，而且只接受字母數(shù)字。
Conversely, a simple text field can accept any alphanumeric data a user keys into it. This open-ended entry idiom is an example of an unbounded entry control.
在無(wú)界文本輸入字段出現(xiàn)的場(chǎng)合，盡管該字段可能接收任何形式的輸入，但還是很有必要為使用者構(gòu)建一個(gè)“有效的”輸入。
Consider this from the car example: Suppose that there is a text field called VIN that stores an alphanumeric value in the Domino document. The exported DXL representation of this field is
可以通過(guò)汽車?yán)觼?lái)思考這個(gè)問(wèn)題：假設(shè)有一個(gè)名為 VIN 的文本字段，它存儲(chǔ) Domino 文檔中的字母數(shù)字值。