摘要：
1 NSString * result;2 NSArray * paths;3 4 result = nil;5 paths = NSSearchPathForDirectoriesInDomains(NSCachesDirectory, NSUserDomainMask, YES);6 if ( (paths != nil) && ([paths count] != 0) ) {7 assert([[paths objectAtIndex:0] isKindOfClass:[NSString class]]);8 result = [paths objectAtIn... 阅读全文