mirror of
https://github.com/CCLeonOS/LeonOS.git
synced 2026-03-03 15:17:01 +00:00
Leonmmcoset
119f43b7cc
docs(help): 更新about.hlp中的网站链接至新域名 refactor(help): 优化pkg_download_en.hlp的代码块显示格式 feat(imageview): 添加图像加载错误提示和注释说明 style(time): 修复帮助文档格式错误 feat(shell): 添加欢迎界面图形显示 test: 新增imageview和help文档的测试程序
68 lines
1.6 KiB
Lua
68 lines
1.6 KiB
Lua
-- time.lua: Display current time
|
|
local shell = require("shell")
|
|
|
|
-- 帮助信息函数
|
|
local function printHelp()
|
|
print("Usage: time [options]")
|
|
print("Options:")
|
|
print(" --help, -h Show this help message")
|
|
print(" --format, -f <fmt> Specify time format string (see below for details)")
|
|
print([[
|
|
Formats for --format option:
|
|
%Y: Year (4 digits)
|
|
%m: Month (01-12)
|
|
%d: Day (01-31)
|
|
%H: Hour (00-23)
|
|
%M: Minute (00-59)
|
|
%S: Second (00-59)
|
|
]])
|
|
print(" %A: Full weekday name")
|
|
print(" %B: Full month name")
|
|
print([[
|
|
Examples:
|
|
time # Show current time in default format
|
|
time --format '%Y-%m-%d %H:%M:%S' # Show time as YYYY-MM-DD HH:MM:SS
|
|
time -f '%A, %B %d, %Y' # Show time as 'Monday, January 01, 2023'
|
|
]])
|
|
end
|
|
|
|
-- 主函数
|
|
local function main(args)
|
|
-- 处理命令行参数
|
|
local showHelp = false
|
|
local formatStr = "%Y-%m-%d %H:%M:%S"
|
|
local i = 1
|
|
|
|
while i <= #args do
|
|
if args[i] == "--help" or args[i] == "-h" then
|
|
showHelp = true
|
|
elseif args[i] == "--format" or args[i] == "-f" then
|
|
i = i + 1
|
|
if i <= #args then
|
|
formatStr = args[i]
|
|
else
|
|
print("Error: Missing format string for --format option")
|
|
return
|
|
end
|
|
else
|
|
print("Error: Unknown option '" .. args[i] .. "'\n")
|
|
printHelp()
|
|
return
|
|
end
|
|
i = i + 1
|
|
end
|
|
|
|
if showHelp then
|
|
printHelp()
|
|
return
|
|
end
|
|
|
|
-- 获取并显示当前时间
|
|
local currentTime = os.time()
|
|
local formattedTime = os.date(formatStr, currentTime)
|
|
print(formattedTime)
|
|
end
|
|
|
|
-- 运行主函数
|
|
local args = {...}
|
|
main(args) |