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ngx.header.content_type = "text/plain"local cjson = require "cjson";local funova_libs = require "funova_libs";

local Code_Result = { success = 1, --礼包领取成功 not_exists = 2, --礼包码无效 used = 3, --礼包码已被使用 channel_not_match = 4, --礼包码无效 channel_used = 5, --已经领取过此类礼包 channel_error = 6, --礼包码无效 error = 7 --兑换失败 }

redis_instance = funova_libs:redis_connect();

function UpdateCode(param) local result = {} if redis_instance then local pid = param['pid']; local code = param['code']; local channel = param['ch']; --ngx.say("pid:"..pid .. " code:"..code .. " ch:"..channel) if pid and code and channel then local usepid = redis_instance:hget("code_hash",code) result["statu"] = 0; if usepid == ngx.null then result["msg"] = "Code not exists!"; result["statu"] = Code_Result.not_exists elseif usepid ~= "0" then result["msg"] = "Code has been used!"; result["statu"] = Code_Result.used else local code_type_ch = string.sub(code, 1,6) local code_ch = string.sub(code, 4,6) local ch = redis_instance:hget("channel_hash", code_ch) if ch == ngx.null then result["msg"] = "Code not exists, channel error"; result["statu"] = Code_Result.channel_error elseif ch ~= channel then result["msg"] = "Code can not use on this channel : "..ch; result["statu"] = Code_Result.channel_not_match else local pid_code_type = pid.."|"..code_type_ch local usecnt = redis_instance:hget("pid_use_code_hash",pid_code_type) if usecnt == ngx.null then --默认 一种类型的激活码只能使用一次 redis_instance:hset("code_hash", code, pid) redis_instance:hincrby("pid_use_code_hash", pid_code_type,1); result["statu"] = Code_Result.success result["msg"] = "ok"; elseif usecnt >= "1" then result["msg"] = "Has been used code on this channel"; result["statu"] = Code_Result.channel_used end end end else result["msg"] = "parm error" result["statu"] = Code_Result.error --ngx.say("{\"statu\" : 0, \"msg\" : 'param error'}") end else result["msg"] = "redis connect error" result["statu"] = Code_Result.error end res_json = cjson.encode(result) ngx.say(res_json)end

function GetArgs() local request_method = ngx.var.request_method local args = nil if "GET" == request_method then args = ngx.req.get_uri_args() elseif "POST" == request_method then ngx.req.read_body() args = ngx.req.get_post_args() end return args;end

local args = GetArgs()UpdateCode(args)

转载于:https://www.cnblogs.com/hgj123/p/4561837.html

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