54
LP scripts
Allows mixing HTML and Lua inside a single file, Lua chunks must be enclosed in <? ?> tags,
closing tag at the end of the document is not required.
Example
Print current date
<!DOCTYPE html>
<html>
<body>Current date is <? write(os.date()) ?></body>
</html>
Available functions:
• header(hdr) adds a custom header to the output
• getvar(name) returns named GET/POST variable or nil when variable is not set
• getvars() - returns all GET/POST variables as Lua table
• getcookie(name) returns named cookie contents or nil when cookie is not set
• print(...) outputs any number of variables, ending output with CRLF
• write(...) similar to print but does not output CRLF at the end
• escape(val) escape single/double quotes, less than/greater than characters to HTML
entities
Library package is loaded via require('apps') and provides access to these functions:
• all built-in LM functions: alert, log, grp, storage etc
• config library
• vprint(...) and vprinthex(...) functions to view variable contents in human-readable form
• json library
Example
Output multiplication table. Size can be a GET/POST variable in 1..20 range (defaults to 10).
<!DOCTYPE html>
<html>
<body>
<?
size = getvar('size') -- GET/POST variable
size = tonumber(size) or 0 -- convert to number
if size < 1 or 20 < size then
size = 10 -- set to default value if empty or invalid
end
?>
<table border="1" cellpadding="3">
<? for i = 1, size do ?>
<tr>
To Next Page
Loading...
Need help?
General