摘要: //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!"; [ 阅读全文
posted @ 2016-04-20 14:51 、Absorption 阅读(150) 评论(0) 推荐(0)