摘要：
https://stackoverflow.com/questions/6117101/posting-jsonobject-with-httpclient-from-web-api 阅读全文
摘要：
https://stackoverflow.com/questions/108403/solutions-for-insert-or-update-on-sql-server/243670#243670 http://blog.sina.com.cn/s/blog_4f0322c501015jqp. 阅读全文