J2ME为什么不能创建递归目录创建? [英] Why isn't J2ME able to create recursive directory creation?

问题描述

我想创建recursive目录(例如:Connector.open("file:///Phone:/folder_1/folder_2/", Connector.READ_WRITE);).问题是没有明确提及两个folders，这里是folder_1和folder_2，但是方法中只提供了一个String参数.例如:

I want to create recursive directories ( for example : Connector.open("file:///Phone:/folder_1/folder_2/", Connector.READ_WRITE); ). The problem is that the two folders , here folder_1 and folder_2, are not mentioned explicitly but instead there is only one String parameter provided from a method. For example :

private void myMethod(String path) 
{
  fcDir = (FileConnection) Connector.open("file:///Phone:/"+path+"/", Connector.READ_WRITE);
...
}

在运行时不会创建两个文件夹！因此，我必须分别创建两个FileConnection才能创建两个文件夹！那么，为什么J2ME无法创建recursive目录?

And in runtime the two folders are not created ! So I must create separately two FileConnection in order to create the two folders ! So why J2ME is not able to make a recursive directory creation ?

推荐答案

您也可以尝试一些新方法.您可以使您的方法递归，现在传递一个向量&整数参数，vector的元素将是您要创建的目录的列表，而整数将指定方法应将其调用为self的时间.

you may also try thing new way. you can make your method recursive, now pass one vector & integer parameter, vector's element will be the list of directories you want to create and integer will specify the number of time method should call it self.

即用于folder_1& folder_2，您可以将参数作为method_name(folderVector，2)传递.这里folderVector变量包含两个String元素，作为folder_1&文件夹_2.现在，您需要递归地调用您的方法，使，每当第二个参数减小1时其值减小.运行此方法，直到大于零为止.

i.e. for folder_1 & folder_2 you can pass parameter as method_name ( folderVector, 2 ). here folderVector variable contains two String element as folder_1 & folder_2. Now you need to call your method recursively such that , each time second parameter decrements it's value with one down. Run this method till it is greater than zero.

这是您可以递归执行的一种方法.

This is the one way you can do it recursively.

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