摘要: /** * Licensed to the Apache Software Foundation (ASF) under one * or more contributor license agreements. See the NOTICE file * distributed with this work for additional information * regarding copyright ownership. The ASF licenses this file * to you under the Apache License, Version ... 阅读全文
posted @ 2013-08-18 01:41 编程小爬虫 阅读(3593) 评论(0) 推荐(1) 编辑
摘要: Range,是在 HTTP/1.1(http://www.w3.org/Protocols/rfc2616/rfc2616.html)里新增的一个 header field,也是现在众多号称多线程下载工具(如 FlashGet、迅雷等)实现多线程下载的核心所在。Range 的规范定义如下:ranges-specifier = byte-ranges-specifierbyte-ranges-specifier = bytes-unit “=” byte-range-setbyte-range-set = 1#( byte-range-spec | suffix-byte-range-spec 阅读全文
posted @ 2013-08-18 00:39 编程小爬虫 阅读(691) 评论(0) 推荐(0) 编辑