xcode 如何使用 Swift 遍历 Array<Dictionary<String,String>>
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How to loop through Array<Dictionary<String,String>> using Swift
提问by Ajay
Give me one Example and explanation for "loop through array<Dictionary<String,String>>using swift...
给我一个例子和解释“array<Dictionary<String,String>>使用 swift循环......
回答by vacawama
Here is an example that shows 2 loops. The first loops through the array picking out each dictionary. The second loop loops through the dictionary picking out each key, value pair:
这是一个显示 2 个循环的示例。第一个循环遍历数组，挑选出每个字典。第二个循环遍历字典，挑选出每个键值对：
let people:Array<Dictionary<String,String>> = [["first":"Fred", "last":"Jones"], ["first":"Joe", "last":"Smith"]]
// Grab each person dictionary from the array of dictionaries
for person in people {
// Grab each key, value pair from the person dictionary
// and print it
for (key,value) in person {
println("\(key): \(value)")
}
}
This outputs:
这输出：
first: Fred
last: Jones
first: Joe
last: Smith
Note that dictionaries are unordered, so this could also print:
请注意，字典是无序的，因此这也可以打印：
last: Jones
first: Fred
last: Smith
first: Joe
