1 从客户端读取版本及服务器地址等信息 2 通过webservice将本地版本号与服务器版本号进行比对，如果服务器发布的版本号大于客户端版本号，则从服务器查找要更新的文件。 3 启动主线程，根据线程个数划分每个线程的下载范围。 4启动下载子

Packet : duoxianchengxiazai.rar filelist
duoxianchengxiazai/src/org/nitpro/demo/Demo.class
duoxianchengxiazai/src/org/nitpro/demo/Demo.java
duoxianchengxiazai/src/org/nitpro/demo/DownloadInfo.class
duoxianchengxiazai/src/org/nitpro/demo/DownloadInfo.java
duoxianchengxiazai/src/org/nitpro/demo/DownloadUtil.class
duoxianchengxiazai/src/org/nitpro/demo/DownloadUtil.java
duoxianchengxiazai/src/org/nitpro/demo/DownThread.class
duoxianchengxiazai/src/org/nitpro/demo/DownThread.java
duoxianchengxiazai/src/org/nitpro/demo/MultiDownload.class
duoxianchengxiazai/src/org/nitpro/demo/MultiDownload.java
duoxianchengxiazai/src/org/nitpro/demo
duoxianchengxiazai/src/org/nitpro
duoxianchengxiazai/src/org
duoxianchengxiazai/src
duoxianchengxiazai

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