How do I insert a space to a NSString. I need to add a space at index 5 into: NString * dir = @"abcdefghijklmno"; To get this result: abcde fghijklmno with: NSLOG (@"%@", dir); You need to use NSMutableString NSMutableString *mu = [NSM…

NSString其实是一个对象类型.NSString是NSObject(Cocoa Foundation的基础对象)的子类 一.NSString的创建 1.创建常量字符串.NSString *astring = @"This is a String!"; 2.创建空字符串,给予赋值.NSString *astring = [[NSString alloc] init];astring = @"This is a String!";[astring release];…

//1.创建常量字符串. NSString *astring = @"This is a String!";   //2.创建空字符串,给予赋值. NSString *astring = [[NSString alloc] init]; astring = @"This is a String!"; [astring release]; NSLog(@"astring:%@",astring); // NSString *astring = [[…

//1.创建常量字符串. NSString *astring = @"This is a String!";   //2.创建空字符串,给予赋值. NSString *astring = [[NSString alloc] init]; astring = @"This is a String!"; [astring release]; NSLog(@"astring:%@",astring); // NSString *astring = [[…

NSString字符串常用方法2010-09-06 14:18/*******************************************************************************************NSString*******************************************************************************************///一.NSString    /*---------…

郝萌主倾心贡献.尊重作者的劳动成果,请勿转载. 假设文章对您有所帮助.欢迎给作者捐赠,支持郝萌主.捐赠数额任意.重在心意^_^ 我要捐赠: 点击捐赠 Cocos2d-X源代码下载:点我传送 游戏官方下载:http://dwz.cn/RwTjl 游戏视频预览:http://dwz.cn/RzHHd 游戏开发博客:http://dwz.cn/RzJzI 游戏源代码传送:http://dwz.cn/Nret1 NSString事实上是一个对象类型.NSString是NSObject(Cocoa Fou…

    //将“⽂文艺⻘青年”改成“213⻘青年”.   NSString *str = @"文艺青年";   NSString *str1 = [str stringByReplacingOccurrencesOfString:@"文艺" withString:@"213"];     NSLog(@"%@",str1);      //将 整数123 转换为字符串“123”.     NSString *s = [NSSt…

//一.NSString /*----------------创建字符串的方法----------------*/ //1.创建常量字符串. NSString *astring = @"This is a String!"; //2.创建空字符串,给予赋值. NSString *astring = [[NSString alloc] init]; astring = @"This is a String!"; NSLog(@"astring:%@"…

一.NSString 创建字符串.  NSString *astring = @"This is a String!"; 创建空字符串,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 = …

NSNumber + (NSNumber *)numberWithInt:(int)value; + (NSNumber *)numberWithDouble:(double)value; - (int)intValue; - (double)doubleValue; NSNumber可以将基本数据类型包装起来,形成一个对象,这样就可以给其发送消息,装入NSArray中等等.NSNumber * intNumber=[NSNumber numberWithInt:100]:NSNumber *f…