摘要:
//1。数组的概念和定义var array = [2,3,4,5]var array1:Array = [2,3,4,5]var array2:Array = [2,3,4,5];var array3:[Int] = [2,3,4];var array4:[Double] = [2.2,3,4]va... 阅读全文
摘要:
/*1.swift字符串和字符2.构造字符串3.字符串比较4.数值运算5.复制运算6.关系运算7.逻辑运算8.区间运算*//*//数据 + 数据的处理//字符信息+ 字符信息的处理//char a = '张'//“hello”//const char * p = “hello”//char arra... 阅读全文
摘要:
/*1.swift字符串和字符2.构造字符串3.字符串比较4.数值运算5.复制运算6.关系运算7.逻辑运算8.区间运算*//*//数据 + 数据的处理//字符信息+ 字符信息的处理//char a = '张'//“hello”//const char * p = “hello”//char arra... 阅读全文
摘要:
import Foundationprintln("Hello, World!")/* int a;*/var a = 10 //隐式类型转换a = 9println(a)let b = 10println(b)/*类型标注*///var x:Int//x = 10.3不支持隐式转换let x... 阅读全文
摘要:
- (BOOL)application:(UIApplication *)application didFinishLaunchingWithOptions:(NSDictionary *)launchOptions { // Override point for customizati... 阅读全文