更新 target/fwutils/develop/function/template.lua

target/fwutils/develop/function/template.lua

@@ -137,6 +137,8 @@ M.make_bytecode = function(conn)
     utils.save_file(fw.website_dir().."/"..(fwutils_config.path.luabytecode:gsub("%.", "/")).."/template_engine_bc.lua",code)
     return true
 end
+
+
 -- 处理
 -- @param static_content 静态内容
 -- @param cfg 配置
@@ -163,6 +165,7 @@ M.handle = function(__cfg,functions)
 
 
     local ext = utils.ext(M.cfg.filepath())
+    local last_modified = fw.file_last_modified_time(fw.website_dir()..M.cfg.filepath())
     local static_content = nil
     if ext ~= nil  then
         if not has_ext(ext) then
@@ -176,7 +179,18 @@ M.handle = function(__cfg,functions)
     else
         -- 无需替换的扩展名
         return false
-    end 
+    end
+
+    -- 验证缓存
+    local if_modified_since = request.header("If-Modified-Since")
+    if if_modified_since ~= nil and if_modified_since ~= "" then
+        if if_modified_since == last_modified then
+            response.sendex("",304,"Not Modified")
+            return true
+        end
+    end
+
+
     local template_engine_bc = require(fwutils_config.path.luabytecode..".template_engine_bc")
     M.template_engine_bc_this_role["template"]["private"] = template_engine_bc[string.format("%d",M.cfg.role_id())]
     M.template_engine_bc_this_role["template"]["public"] = template_engine_bc["public"]
@@ -214,11 +228,15 @@ M.handle = function(__cfg,functions)
     end
  
     if replaced then
+        
         if  ext == "shtml" or ext == "html" then
             response.header("Content-Type","text/html")
         elseif ext == "js" then
             response.header("Content-Type","application/javascript")
-        end
+        end 
+        -- print("Last-Modified:", last_modified)
+        response.header("Last-Modified", last_modified)
+        response.header("Cache-Control", "no-cache")
         response.send(static_content)
         return true
     end