IOS删除沙盒所有同类型的文件

IOS删除沙盒同类型的文件

#define kDocument_Folder [NSHomeDirectory() stringByAppendingPathComponent:@"Documents"]

NSFileManager *fileManager = [NSFileManager defaultManager];
NSArray *fileListArray = [fileManager contentsOfDirectoryAtPath:kDocument_Folder error:nil];
for (NSString *file in fileListArray)
{
NSString *path = [kDocument_Folder stringByAppendingPathComponent:file];
NSString *extension = [path pathExtension];
if (([extension compare:@"wav" options:NSCaseInsensitiveSearch] == NSOrderedSame) || ([extension compare:@"amr" options:NSCaseInsensitiveSearch] == NSOrderedSame))
{
[fileManager removeItemAtPath:path error:nil];
}