1 import Foundation
2
3 // 数组声明
4 var arr = [String]()
5 // 数组循环添加项
6 for var index in 0...100{
7 arr.append("Item \(index)")
8 }
9
10 // 遍历方法1
11 for item in arr {
12 print (item)
13 }
14 // 遍历方法2
15 for (index, value) in arr.enumerate() {
16 print("Item \(index + 1 ) :\(value)")
17 }
18
19 print("Hello, World!")
1 var i = 100
2 while i < arr.count{
3 print(arr[i])
4 i++
5 }
6
7
8 print(arr[25])
1 // 字典的遍历
2 var dict = ["name":"jinpangpang","age":"16"]
3 for (key,value) in dict{
4 print("\(key),\(value)")
5 }
