带有\n或换行符的NSString

Question

有谁知道如何在NSString中使用换行符？我需要做这样的事情 -

[NSString stringWithFormat:@"%@,\n%@", mystring1,mystring2];

Answer 1

我在为NSObject的子类重载-description时遇到了同样的问题.在这种情况下,我能够使用回车符(\ r)而不是换行符(\n)来创建换行符.

[NSString stringWithFormat:@"%@\r%@", mystring1,mystring2];

Answer 2

如果你的字符串是在UIView(例如UILabel)中,你还需要将行数设置为0

myView.numberOfLines=0;

Answer 3

我发现当我从.plist文件中读取字符串时,会将"\n"其解析为"\\n".对我来说,解决办法是更换的出现"\\n"有"\n".例如,给定一个从我的文件中NSString命名myString读入的实例.plist,我不得不打电话给...

myString = [myString stringByReplacingOccurrencesOfString:@"\\n" withString:@"\n"];

...在将其分配给我的UILabel实例之前...

myLabel.text = myString;

Answer 4

NSString *str1 = @"Share Role Play Photo via Facebook, or Twitter for free coins per photo.";
NSString *str2 = @"Like Role Play on facebook for 50 free coins.";
NSString *str3 = @"Check out 'What's Hot' on other ways to receive free coins";


NSString *msg = [NSString stringWithFormat:@"%@\n%@\n%@", str1, str2, str3];

Answer 5

试试这个(stringWithFormat必须以小写开头)

 [NSString stringWithFormat:@"%@\n%@",string1,string2];