摘要:
通过NSCoding能实现像JAVA一样能够实现对象的序列化,可以保存对象到文件里。写了个小demo验证了下。直接上demo吧。 UserEntityView Code ////UserEntity.m//NSCodingDemo////Createdbyon11-5-20.//Copyright2011,Inc.Allrightsreserved.//#import"UserEntity.h"#import"AddressEntity.h"#defineSAMPLEDATA_KEY_USERNAME(@"userName")#def 阅读全文
摘要:
在iphone里写文件,需要生成唯一的文件名。一种方法事采用UUID+ (NSString *)GetUUID{ CFUUIDRef theUUID = CFUUIDCreate(NULL); CFStringRef string = CFUUIDCreateString(NULL, theUUID); CFRelease(theUUID); return [(NSString *)string autorelease];} 来源 http://stackoverflow.com/questions/427180/how-to-create-a-guid-uuid-using-the-ipho 阅读全文