我要实现把文本文件中的参数替换为数字，比如textbook1中输入100则文本中对应的参数值就变为100.求高人指教
Hi,
我也比较推荐先分享你的文件结构以方便我们提供比较高效率的建议。
如果忽略性能问题的话， 这里有一个简单对于txt文件的例子。
My.Computer.FileSystem.WriteAllText("C:\test2.txt", My.Computer.FileSystem.ReadAllText("C:\test.txt").Replace("oldvalue", "newvalue"), False)
Sting.Replace:
http://msdn.microsoft.com/zh-cn/library/fk49wtc1(v=vs.110).aspx
Regards.
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