ObjectiveC开发教程--字符串的连接

Nsstring *type = @"hello";

Nsstring *subtype = @"good";

Nsstring *typesub = [Nsstring stringWithFormat:@"%@>%@",type,subtype];

Nsstring *typesub1 = [type stringByAppendingString:subtype];

Nsstring *typesub2 = [type stringByAppendingFormat:@"%@>%@",subtype];

Nsstring *a= @"abc" ;

Nsstring *typesub3 = [type stringByAppendingFormat:@"%@>%@>%@",subtype,a];

NSLog(@"%@,%@,%@",typesub,typesub1,typesub2,typesub3,typesub3);