伽兰子
2017-04-15 18:23
哪里有问题吗
init(coordinateString:String) { let commaIndex = coordinateString.range(of: ",")! let firstElement = coordinateString.substring(to: commaIndex.lowerBound) let secondElement = coordinateString.substring(from: commaIndex.upperBound) latitude = Double(firstElement)! longitude = Double(secondElement)! }
玩儿转Swift 2.0(第三季)
13987 学习 · 44 问题
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