update

app.lua

@@ -0,0 +1,48 @@
+-- 这是一个单行注释
+
+--[[
+这是一个多行注释
+这是一个多行注释
+]]
+local uri = ngx.var.uri
+
+local api_version = ''
+local api_pxoxy_pass_url_indicator = ''
+
+-- 提取版本号和 proxy_pass url 标识
+if uri == '/' then -- uri为 / ，退出运行
+  ngx.exit(ngx.HTTP_OK)
+end
+
+local api_version, api_pxoxy_pass_url_indicator = uri:match("/?([^/]+)/?(.*)")
+
+ngx.say("api_version: ", api_version)
+ngx.say("api_pxoxy_pass_url_indicator: ", api_pxoxy_pass_url_indicator)
+pass_url = api_pxoxy_pass_url_indicator
+-- local upstream_dict = ngx.shared.upstream_dict
+-- upstream_dict:set("upstream", pass_url)
+pass_url = pass_url:gsub("http/", "http://")
+pass_url = pass_url:gsub("https/", "https://")
+ngx.say("pass_url: ", pass_url)
+
+-- 根据版本号加载不同的 Lua 文件
+-- local lua_path = "app_" .. api_version
+-- ngx.say("lua_path: ", lua_path)
+-- require(lua_path)
+local lua_path = "app/" ..api_version .. "/app"
+ngx.say("lua_path: ", lua_path)
+module = require("app/" .. api_version .. "/app") --require 是没问题的
+
+
+-- 检查模块是否加载成功
+if type(module) ~= "table" then
+  ngx.say("Error: Failed to load module")
+  ngx.exit(ngx.HTTP_INTERNAL_SERVER_ERROR)
+end
+
+-- 调用模块中的函数
+module.some_function()  -- 调用 some_function
+module.another_function()  -- 调用 another_function
+
+
+ngx.say("module.a: ", module.a)