NSFileManager *fileManager = [NSFileManagerdefaultManager];

NSArray * paths=NSSearchPathForDirectoriesInDomains(NSDocumentDirectory, NSUserDomainMask, YES);

NSString *documentsDirectory = [paths objectAtIndex:0];//去處需要的路徑

/// NSDocumentDirectory, NSUserDomainMask, YES)

NSString *strPath = [documentsDirectory

NSDirectoryEnumerator<NSString *> * myDirectoryEnumerator;

    myDirectoryEnumerator=  [fileManager enumeratorAtPath:strPath];

while (strPath = [myDirectoryEnumerator nextObject]) {

for (NSString * namePath in strPath.pathComponents) {

NSLog

     }

 }