Echelon i.LON 1000, Руководство пользователя, Страница: 91 / 126

i .LON 1000 Internet Server User’s Guide 10-19
<iLonWeb>
The i. LON 1000 tag.
FUNC=Hidden Hides the text field that contains the value of the
specified network variable.
SYMBOL=
NVL_nvoDigital
Specifies the local network variable called
n
voDigital
on the web page.
</iLonWeb> The ending i. LON 1000 tag.
RadioButton
Radio buttons are objects that present the user with a series of items and allow the user to
choose one item from the series. A value is assigned to each radio button defined in the tag,
and when the user selects a radio button, the corresponding value is sent to the form
processor.
The following web tag example creates a series of radio button objects in a web page form.
The table that follows describes each web tag element.
<iLonWeb FUNC=RadioButton SYMBOL=NVL_nvoRb1 VALUE=”1”
Checked></iLonWeb>
<iLonWeb FUNC=RadioButton SYMBOL=NVL_nvoRb1 VALUE=”2”> </iLonWeb>
<iLonWeb FUNC=RadioButton SYMBOL=NVL_nvoRb1 VALUE=”3”></iLonWeb>
Web Tag Element Description
<iLonWeb>
The i. LON 1000 tag.
FUNC=RadioButton Specifies the radio button function and causes a radio
button object to be displayed in the form.
SYMBOL=NVL_nvoRb1 Specifies that the local network variable called
nvoRb1
be written to when the form is processed.
VALUE=”1” Specifies the network variable update value assigned
to the radio button.
Checked Indicates that this radio button is selected by default.
</iLonWeb> The ending i. LON 1000 tag.
TextArea
A text area is an input field that allows the user to input an amount of information into a
form defined by the dimensions of the text area. Input to the text area field is written to the
network variable specified in the tag.
This is an example of the TextArea function that creates an input area with 4 rows and 6
columns. The table below describes each web tag element.
<iLonWeb FUNC=TextArea TYPE=text SYMBOL=NVL_nvoBuffer ROWS=4
COLUMNS=6></iLonWeb>