摘要：‍Expect:100-Continue（转自http://hi.baidu.com/leo_han/item/9bdd1068bc6f7131ad3e8333）在HTTP1.1(RFC2616)中的描述是：The purpose of the 100 (Continue) status (see section 10.1.1) is to allow a client that is sending a request message with a request body to determine if the origin server is willing to accept the 阅读全文