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引用第4楼ny13524于2008-08-13 09:21发表的 :呵呵,多谢water_wf 的提示,确实是打开模式没设置好又仔细看了下QFile::Append可以将数据追加到文档中The device is opened in append mode, so that all data is written to the end of the file.剩下要解决的就是怎样从文档中倒着以分割符标志读取数据啦,.......