HttpClient不是一个浏览器，它是一个客户端HTTP传输类库。HttpClient作用是传输和接收HTTP消息。HttpClient不尝试缓存内容，执行内嵌HTML页面中的javascr ipt脚本，尝试猜测内容类型，重新定义请求/重定向URI位置，其他功能与HTTP传输无关。-HttpClient is not a browser, it is a client-side HTTP transport class library. The HttpClient role of the transmit and receive HTTP messages. HttpClient does not attempt to cache content to execute javascr ipt scr ipt embedded in an HTML page, and try to guess the content type, redefine request/redirect URI location, other features HTTP transport.