@property (strong, nonatomic) NSString *contents;
@end
#import ”MyCloudDocument.h”
@implementation MyCloudDocument
//加载数据
- (BOOL)loadFromContents:(id)contents ofType:(NSString *)typeName error:(NSError
**)outError
②
{
if ([contents length] > 0)
{
self.contents = [[NSString alloc] initWithData:contents encoding:NSUTF8StringEncoding];
③