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删除数组中某个特定的元素
selectedArray.removeAll(where: { $0 == model })
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筛选数组
let tempArray = list.filter{ return ($0.beesNickname?.contains(text) ?? false)}
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取出数组中,字典的某个元素
let price:[Int] = selectedArray.map{ $0.totalPrice}
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数组元素相加
settlementView.priceLabel.text = "合计:¥\(price.reduce(0, +))"
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数组转字符串
let data = [1, 2, 3, 4, 5]
let dataStr = data.map(String.init)
let resultString = dataStr.joined(separator: ",")
- 字符串转数组
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