update

app copy.lua

@@ -0,0 +1,29 @@
+-- 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
+pass_url = pass_url:gsub("http/", "http://")
+pass_url = pass_url:gsub("https/", "https://")
+ngx.say("pass_url: ", pass_url)
+
+
+
+
+

app.lua

@@ -23,5 +23,11 @@ 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 .. "/app"
+local status, err = pcall(require, lua_path)
+if not status then
+  ngx.log(ngx.ERR, "failed to load lua file: ", lua_path, ", error: ", err)
+  ngx.say("Error: Failed to load API version: ", api_version)
+  ngx.exit(ngx.HTTP_INTERNAL_SERVER_ERROR)
+end