bool List::GetElem(int i, Node* pNode)

{

if (i < 0 || i >= m_iLength)

{

return false;

}

Node* currentNode = m_pList;

Node* currentNodeBefore = NULL;（这个代码多余的）？？？

for (int k = 0; k <= i; k++)

{

currentNodeBefore = currentNode;（这个代码多余的）？？？

currentNode = currentNode->next;

}

pNode->data = currentNode->data;

return true;