From d438d56237404d35067b638d527e64e28ce6be90 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?=E9=98=BF=E7=94=B7?= <l.weinan@gmail.com>
Date: Sun, 26 Jun 2022 18:01:16 +0800
Subject: [PATCH] rename vars

---
 scripts/wx_download.lua | 30 +++++++++++++++---------------
 1 file changed, 15 insertions(+), 15 deletions(-)

diff --git a/scripts/wx_download.lua b/scripts/wx_download.lua
index c71b1fe..1e79367 100644
--- a/scripts/wx_download.lua
+++ b/scripts/wx_download.lua
@@ -23,7 +23,7 @@ local function get_access_token()
 
     ngx.log(ngx.INFO, "START REQUEST TO GET ACCESS TOKEN")
 
-    local resp, err = httpc:request_uri(
+    local resp, req_err = httpc:request_uri(
             remote_url,
             {
                 ssl_verify = false, -- 设置参数 ssl_verify 为false 不校验ssl证书
@@ -36,15 +36,15 @@ local function get_access_token()
     )
 
     ngx.log(ngx.INFO, "RESP -> ", pl.write(resp))
-    ngx.log(ngx.ERR, "ERR -> ", err)
+    ngx.log(ngx.ERR, "ERR -> ", req_err)
 
     if resp == nil then
-        ngx.log(ngx.ERR, "FAILED TO CONNECT TO *HTYUC*", err)
+        ngx.log(ngx.ERR, "FAILED TO CONNECT TO *HTYUC*", req_err)
     end
 
     if 200 ~= resp.status then
-        ngx.log(ngx.ERR, "GET ACCESS TOKEN *FAILED*", err)
-        ngx.say(err)
+        ngx.log(ngx.ERR, "GET ACCESS TOKEN *FAILED*", req_err)
+        ngx.say(req_err)
         ngx.exit(resp.status)
     else
         ngx.log(ngx.ERR, "RESP IS OK -> ", resp.body)
@@ -57,24 +57,24 @@ local function get_wx_media(media_id)
     print("access token: " .. access_token)
     local wx_media_url = string.format("https://api.weixin.qq.com/cgi-bin/media/get?access_token=%s&media_id=%s", access_token, media_id)
     print("wx_media_url: " .. wx_media_url)
-    local res, err = httpc:request_uri(wx_media_url, {
+    local resp, req_err = httpc:request_uri(wx_media_url, {
         method = 'GET',
         ssl_verify = ssl_verify or false, -- 设置参数 ssl_verify 为false 不校验ssl证书
     })
 
-    if res == nil then
-        ngx.log(ngx.ERR, "FAILED TO CONNECT TO *Weixin*", err)
-        ngx.say(err)
+    if resp == nil then
+        ngx.log(ngx.ERR, "FAILED TO CONNECT TO *Weixin*", req_err)
+        ngx.say(req_err)
         ngx.exit(500)
     end
 
-    if 200 ~= res.status then
-        ngx.log(ngx.ERR, 'GET WECHET MEDIA *FAILED*', err)
-        ngx.say(err)
-        ngx.exit(res.status)
+    if 200 ~= resp.status then
+        ngx.log(ngx.ERR, 'GET WECHET MEDIA *FAILED*', req_err)
+        ngx.say(req_err)
+        ngx.exit(resp.status)
     end
 
-    local filename = ngx.re.match(res.headers['Content-disposition'], [[filename="(.+\.([a-zA-Z0-9])+)"]], "jo")[1]
+    local filename = ngx.re.match(resp.headers['Content-disposition'], [[filename="(.+\.([a-zA-Z0-9])+)"]], "jo")[1]
     local file_dir = ngx.var.tmp_file_dir
     local saved_file = file_dir .. "/" .. filename;
     print('saved file...' .. saved_file);
@@ -82,7 +82,7 @@ local function get_wx_media(media_id)
     if file == nil then
         print("Can not open file..." .. err)
     else
-        file:write(res.body)
+        file:write(resp.body)
         file:close()
     end