【swift基础】06字典

字典

/// 定义并实例化字典var dict = [String: AnyObject]()dict["name"] = "zhangsan"dict["age"] = 18print(dict)// 设置相同 key，之前的数值会被覆盖dict["name"] = "lisi"print(dict)// 删除某一个 keydict.removeValueForKey("age")print(dict)dict["title"] = "manager"print(dict)// 遍历字典(k, v可以随便写)for (k, v) in dict {    print("\(k) -- \(v)")}// 合并字典var dict2 = ["name": "wangwu", "age": 80, "title": "boss"]for (k, v) in dict2 {    dict.updateValue(v, forKey: k)}print(dict)