complete download image (#15)

README.md

@@ -74,7 +74,7 @@ curl -v -F 'up_load_json=@./test_files/tile-0.jpg' -F 'up_load_json=@./test_file
 ```
 
 ⚠️ **./test_files/test0.jpg ./test_files/test1.jpg ./test_files/test2.jpg 为三张上传拼接的图片的路径和文件名**
-  
+
 ```bash
   *   Trying 152.136.103.69...
   * TCP_NODELAY set
@@ -219,7 +219,7 @@ location /image_append {
 
 <h2 id="3">3.图片下载</h2>
 
-- music-room配置
+- music-room配置-
 
 ```nginx configuration
 # 子域名配置文件路径
@@ -227,47 +227,38 @@ location /image_append {
 
 # server contex 中添加location
 
-#Donwload image use ngx.req.set_uri
-location /download_image {
-    rewrite_by_lua_block {
-        ngx.log(ngx.INFO , "location /download_image")
-
-        -- TODO: jwt decoder
-        -- 
-
-        -- Functions : String split
-        string.split = function(s, p)
-            local rt= {}
-            string.gsub(s, '[^'..p..']+', function(w) table.insert(rt, w) end )
-            return rt
-        end
-
-        -- Get url and split by '/' save into a table
-        local sub_url_table = string.split(ngx.var.uri, '/')
-        local sub_url_number = table.getn(sub_url_table)
-
-        for i = 1, sub_url_number do
-            ngx.log(ngx.INFO , "Sub url sub" .. i .. " : " .. sub_url_table[i])
-        end
-
-        local uri = "/internal_file_upload/"..sub_url_table[sub_url_number]..".jpg"
-        ngx.log(ngx.INFO , "uri : " .. uri)
-        return ngx.req.set_uri(uri , true)
-    }
-}
-
 #Static file server
-location /internal_file_upload {
-    internal;
-    try_files $uri /file_upload/8493acab-0f7a-47e0-8fff-e96b843334dd.jpg;
+    location /file_upload {
+        default_type "";
+        alias /file_upload/;
+        autoindex on;
+        autoindex_exact_size off;
+        autoindex_localtime on;
+    }
+#Download image files
+location /download_image {
+  rewrite_by_lua_block{
+    -- Get download image id
+      local download_image_id = string.match(ngx.var.request_uri, ".*/(.*)$")
+      ngx.log(ngx.INFO , "Download image id: " .. download_image_id)
 
+      -- Set redirect uri
+      --local uri = "/internal_file_upload/" .. download_image_id .. ".jpg"
+      --return ngx.exec(uri)
+
+      local uri = "/file_upload/" .. download_image_id .. ".jpg"
+      return ngx.exec(uri, {a = download_image_id})
+  }
 }
 ```
 
-- 添加lua脚本
+- wget测试
 
 ```bash
-/usr/local/openresty/resty_funcs
-.
-└── download_image.lua
+wget http://localhost:8080/download_image/{download_image_uuid}
 ```
+
+  
+
+
+