| 释义 |
size validator
长度确认值
A field validator on a TDMS (Terminal Data Management System) form definition that determines the field data type and sets a predefined range for numeric fields. At run time, size validators prevent the operator from entering data that is not within that range. The form definer assigns size validators in the assign phase.
终端数据管理系统(TDMS)格式定义中的一种字段确认值,格式定义确定字段的数据类型, 并对数值字段设置一个预先规定的范围。在运行时,长度确认值可防止操作员写入超出 范围的数据。格式定义程序在赋值阶段指定长度确认值。 |