...串,给予赋值。NSString *astring = [[NSString alloc] init]; astring = @"This is a String!"; NSLog(@"astring:%@",astring); string release]; 使用变量初始化NSString *name = @"Ivan!";...
...sina.com.cn";if([hh hasPrefix:@"http"]){ //查找以http开头的字符串 NSLog(@"含有http");}else{NSLog(@"没有http");}NSString *ss = @"123";int a = [ss ...
...quot;;if([hh hasPrefix:@"http"]){ //查找以http开头的字符串NSLog(@"含有http");}else{NSLog(@"没有http");}NSString *ss = @"123";int a = [ss ...
...uot;,@"Four",nil]; self.dataArray = array;[array release]; //- (unsigned) Count;数组所包含对象个数;NSLog(@"self.dataArray cound:%d",[self.dataArray count]); //- (id) objectAtIndex: (unsigned int...
...添加temp 并组成一个新的字符串 NSString *str5 = [temp stringByAppendingString:temp]; //字符串输出 NSLog(@"str0 = %@", str0); NSLog(@"str1 = %@", str1); NSLog(@"str2 =...
...setValue:@“屌丝"forKey:@"name"];NSString*name = [studentvalueForKey:@"name"];NSLog(@"%@",name);输出:2014-11-06 10:57:04.125 kvc与kvo[1638:42555] 屌丝到这 里有的童鞋就会问到在类中在添加类那么该怎么去访问类...
...xCeil *cell =(MailBoxCeil*)[tableViewdequeueReusableCellWithIdentifier:CellIdentifier]; if (!cell) {NSLog(@"myCell not found%@",cell);//MailBoxViewController*control=[[MailBoxViewControlleralloc]...
NSLog( )函数函数最初被用来显示错误信息,而不是显示运行结果。因为它易学易用,所 以本书把它拿来用作显示结果。今后精通了Cocoa,你还会接触到更多更复杂的技术。一些特殊的字符序列放在字符串中有特殊意义。...
...SString alloc] init]; str2 = @"test"; NSString *str3 = [NSString string]; NSLog(@"str= %@,str2=%@,str3=%@",str1,str2,str3); //initWithString的用法NSString *str4 = [[NSStrin...