//使用方法：
YBImgPickerViewController * next = [[YBImgPickerViewController alloc]init];

[next showInViewContrller:self choosenNum:0 delegate:self];
//直接创建，调用显示方法


//回调：

(void)YBImagePickerDidFinishWithImages:(NSArray *)imageArray {

for (UIImage * image in imageArray) {

.......

}
}