右侧临界条件判断

[zhouXiaoR]

XLPageViewController类中:
以下代码:

if (selectedIndex < 0 || selectedIndex > [self numberOfPage]) {
[NSException raise:@"selectedIndex is not right ！！！" format:@"It is out of range"];
}

这个临界点判断, 应该是selectedIndex >= [self numberOfPage], 另外这里最好加个debug断言然后return掉比较合适