关于nginx+uWsgi配置遇到的问题的解决

uwsgi_intercept_errors on;

#禁止爬虫工具的抓取 
if ($http_user_agent ~* "python|curl|java|wget|httpclient|okhttp|Scrapy") {
  return 503;
}
#禁止指定UA及UA为空的访问 
if ($http_user_agent ~ "WinHttp|WebZIP|FetchURL|node-superagent|java/|FeedDemon|Jullo|JikeSpider|Indy Library|Alexa Toolbar|AskTbFXTV|AhrefsBot|CrawlDaddy|Java|Feedly|Apache-HttpAsyncClient|UniversalFeedParser|ApacheBench|Microsoft URL Control|Swiftbot|ZmEu|oBot|jaunty|Python-urllib|lightDeckReports Bot|YYSpider|DigExt|HttpClient|MJ12bot|heritrix|EasouSpider|Ezooms|BOT/0.1|YandexBot|FlightDeckReports|Linguee Bot|^$" ) { 
   return 403;        
}

#http跳转https
set $flag 0;
if ($host = "wxapp.zyqcn.cn") {
 set $flag "${flag}1";
}
if ($scheme = "http") {
 set $flag "${flag}2";
}
if ($flag = "012") {
 rewrite ^(.*) https://$host$1 permanent;
}

error_page 502 404 405 500 =200 /error;
#error最好不要带后缀,之前写了个error.html,然后下面想返回成json,结果各种设置不起作用,后来搞了半天之后才发现是后缀的锅
location /error {
  default_type application/json;
  #add_header name value always;#always是可选参数,已经存在这个header的情况下使用不会覆盖
  add_header Access-Control-Allow-Origin *;
  return 200 '{"code": 0,"msg":"您的请求暂时无法处理","more": $status}';
}