Lua脚本获取喜马拉雅MP3音频地址

 #!/usr/bin/lua5.1 --需要luacurl http://luacurl.luaforge.net/ --luajson https://github.com/mbalmer/luajson require("luacurl") require('json') function get_html(url, c) local result = { } if c == nil then c = curl.new() end c:setopt(curl.OPT_URL, url) c:setopt(curl.OPT_WRITEDATA, result) c:setopt(curl.OPT_WRITEFUNCTION, function(tab, buffer)   --call back函数，必须有 table.insert(tab, buffer)           --tab参数即为result，参考http://luacurl.luaforge.net/ return #buffer end) local ok = c:perform() return ok, table.concat(result)       --此table非上一个table，作用域不同 end function downMp3(id) local url="http://www.ximalaya.com/tracks/"..id..".json" local mp3 = "http://fdfs.xmcdn.com/" local ok,html = get_html(url) if ok then local result = json.decode(html) print(mp3..result.play_path_64) else print("error") end end if arg[1] and tonumber(arg[1]) then downMp3(arg[1]) else print("请输入编号") end