字符串和字符 A string is an ordered collection of characters, such as "hello, world" or "albatross". Swift strings are represented by the String type, which in turn represents a collection of values of Character type. Swift’s String and Char…
今天装了10.10.马上就可以实际编写swift了.还是很兴奋啊. 哈哈.字符串和字符是大家最容易打交道的.今天就转一下讲解swift中字符串和字符的文章.希望对大家有帮助. 原文地址:http://www.cocoachina.com/newbie/basic/2014/0606/8704.html Swift系列文章由CocoaChina翻译小组翻译自苹果的官方文档:The Swift Programming Language--Language Guide--Strings and Cha…
首先看看判断字符串长度的几种方法(英文占1个字符,中文汉字占2个字符) 方法一: function strlen(str) { var len = 0; for (var i = 0; i < str.length; i++) { var c = str.charCodeAt(i); //单字节加1 if ((c >= 0x0001 && c <= 0x007e) || (0xff60 <= c && c <= 0xff9f)) { len++…