To be or not to be.That is a question!

---源于莎士比亚的《哈姆雷特》

导航

2013年9月20日 #

Objective-c Category(类别)

摘要: NSStringUtilities.h:#import @interface NSString(Utilities)-(BOOL) isURL;@endNSStringUtilities.m#import "NSStringUtilities.h"@implementation NSString(Utilities)-(BOOL) isURL{ if ([self hasPrefix:@"http://"]) { return YES; }else{ return NO; }}@endmain.m:#import #import "NSStri 阅读全文

posted @ 2013-09-20 12:24 Ijavascript 阅读(213) 评论(0) 推荐(0)