参考文档
使用libcurl发送PUT请求上传数据以及DELETE请求删除数据
http://blog.163.com/lixiangqiu_9202/blog/static/53575037201401395753817/
http://blog.turnreal.net/index.php?aid=85
http://blog.csdn.net/e21105834/article/details/12967471
http://www.cnblogs.com/lidabo/p/4177016.html
http://blog.csdn.net/zengraoli/article/details/11581005
http://blog.csdn.net/zengraoli/article/details/11522563
http://www.blogbus.com/gcoder-logs/191913436.html
http://blog.csdn.net/e21105834/article/details/12967471
http://blog.163.com/lixiangqiu_9202/blog/static/53575037201401395753817/
https://curl.haxx.se/libcurl/c/CURLOPT_POSTREDIR.html
http://blog.csdn.net/helisong427/article/details/6953191