java JNI 中的 GetByteArrayRegion
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GetByteArrayRegion in JNI
提问by Kyborg2011
The question is: Suppose I use the function: (* env) -> GetByteArrayRegion (env, array, 0, len, (jbyte *)buf); In this case, a certain number of bytes written from the array to the buf or vice versa? Maybe a simple question, but I'm confused. Help, please:. In the documentation is not found.
问题是：假设我使用函数： (* env) -> GetByteArrayRegion (env, array, 0, len, (jbyte *)buf); 在这种情况下，一定数量的字节从数组写入 buf 或反之亦然？也许是一个简单的问题，但我很困惑。请帮忙：。在文档中没有找到。
采纳答案by user207421
`Get < PrimitiveTypeArray>ArrayRegion' is a family of functions that copies a region of a primitive array into a buffer. That's what the documentation says. It seems clear to me.
`Get < PrimitiveTypeArray>ArrayRegion' 是一系列函数，用于将原始数组的一个区域复制到缓冲区中。这就是文档所说的。对我来说似乎很清楚。
