只有看boost源码才能弄明白发生了什么.首先我是将vector里面写入了数据,然后用boost::asio::buffer将vector构造成了mutable_buffer_1对象. 参考该文档的重载形式:http://www.boost.org/doc/libs/1_53_0/doc/html/boost_asio/reference/buffer/overload24.html buffer (24 of 28 overloads) Create a new modifiable buff