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
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