qt qfile read



                                      函数名

                                                         功能                                      copy()                                                      复制文件                                     exists()                                               检查文件是否存在                                      open()                                                      打开文件                                    remove()                                                      删除文件                                    rename()                                                    修改文件名                                 setFileName()                                                    设置文件名                                       size()                                                      文件大小                                       pos()                                              文件光标当前位置                                      seek()                                              设置文件光标位置                                     atEnd()                                           判断当前是否为文件尾                                      read()                                                  读取文件内容                                     close()                                                      关闭文件

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