curl -H “Content-Type:application/json” -X POST -d ‘{“text”:”你好”,”nbest”:”5″}’ http://xxx.baidu.com
curl -x http://proxy.example.com:8080 http://example.com curl --proxy socks5://proxy.example.com:1080 http://example.com curl -x http://user:password@proxy.example.com:8080 http://example.com