急！！！一个关于CFileDialog类的问题

[liudeqiang]

通过利用VC类库的CFILEDIALOG类选择打开数据文件RMC.TXT，解析出其中的时间和经纬度数据，在一个对话框中显示出时间和经纬度，每次只显示一个时间点的数据，通过点击对话框中的继续按钮处理显示下个点的数据。当处理到文件尾时给出提示。

RMC.TXT的一小部分内容如下（一共很多）

$BDRMC,153130.885,3946.4648,N,11625.4385,E,44.5,0.2,0.0,213,1,3,W,*54
$BDRMC,153130.947,3946.4658,N,11625.4386,E,44.5,0.2,0.0,213,1,3,W,*59
$BDRMC,153131.010,3946.4669,N,11625.4387,E,44.5,0.2,0.0,213,1,3,W,*50
$BDRMC,153131.072,3946.4672,N,11625.4385,E,44.5,0.2,0.0,213,1,3,W,*5c
$BDRMC,153131.135,3946.4675,N,11625.4382,E,44.5,0.2,0.0,213,1,3,W,*5e
$BDRMC,153131.197,3946.4686,N,11625.4383,E,44.5,0.2,0.0,213,1,3,W,*5b
$BDRMC,153131.260,3946.4658,N,11625.4382,E,44.5,0.2,0.0,213,1,3,W,*52
$BDRMC,153131.322,3946.4669,N,11625.4382,E,44.5,0.2,0.0,213,1,3,W,*57
$BDRMC,153131.385,3946.4694,N,11625.4384,E,44.5,0.2,0.0,213,1,3,W,*5e
$BDRMC,153131.447,3946.4719,N,11625.4386,E,44.5,0.2,0.0,213,1,3,W,*51
$BDRMC,153131.510,3946.4730,N,11625.4383,E,44.5,0.2,0.0,213,1,3,W,*5c
$BDRMC,153131.572,3946.4733,N,11625.4385,E,44.5,0.2,0.0,213,1,3,W,*5d
$BDRMC,153131.635,3946.4721,N,11625.4385,E,44.5,0.2,0.0,213,1,3,W,*5e
$BDRMC,153131.697,3946.4716,N,11625.4384,E,44.5,0.2,0.0,213,1,3,W,*53
$BDRMC,153131.760,3946.4704,N,11625.4384,E,44.5,0.2,0.0,213,1,3,W,*59
$BDRMC,153131.822,3946.4707,N,11625.4382,E,44.5,0.2,0.0,213,1,3,W,*55
$BDRMC,153131.885,3946.4710,N,11625.4380,E,44.5,0.7,0.0,196,1,3,W,*57
$BDRMC,153131.947,3946.4720,N,11625.4385,E,44.5,0.7,0.0,196,1,3,W,*5e

$BDRMC, 153130.885, 3946.4648,N, 11625.4385,E, 44.5,0.2,0.0,213,1,3,W, *54
开始符号为$ 这个是时间 这个是纬度 经度 后面的不用管了 结尾符号*

请哪位好手帮忙给解决一下 由于我比较菜 最好把整个程序帮忙贴出来并讲解一下

非常感谢 谢谢

[gdsdyl]

这种方法不好吧,不利于自己的提高

[Mr-Chen]

作业还是自己作，这是难得的实践机会，要学会思考

[lixiaosan]

思路
1.通过CFileDialog::GetFilePath得到选择的文件路径
2.CStdioFile::ReadString读取没一行数据到存储到CStringArray中
3.通过CString的成员函数Find, Left, Mid等解析字符串，得到需要的数据， 如果每行数据都是同样格式的字符串，也可通过sscanf解析。。
4. 在按钮的响应函数中显示数据

[lixiaosan]

有点错，
第一点的使用函数是
CFileDialog::GetPathName()

[快乐鹦鹉]

论坛不是帮助你做作业的地方。
请一定要自己实际动手，对于细节上的困难，可以问大家。
每行的格式已经明确的条件下，可以用sscanf函数分解每行的各段信息。

[蒋晟]

也可以用正则表达式来分析

[liudeqiang]

我也想自己做出来，可是我真的刚接触VC 可能对于你们是很简单

对于我来说却很难

希望哪位好心人帮帮忙 我一定会好好学VC的

将来学好了也会给后来人提供帮助的

[liudeqiang]

谢谢你们