如何将具有字符串类型值的“ numbersString”数组转换为具有浮点类型值的“ numbersFloat”数组
问题是我不断收到“无法将类型为'String'的值分配给类型为'Double'的下标”的错误
我知道我无法将Float值输入到String下标,但是我既不能更改String,也不能更改,因为它们之间用逗号分隔并且无法将值放入数组中
var numbersString = [["564,00", "577,00", "13,00"], ["563,00", "577,00", "14,00"]] → I have
var numbersFloat = [[564.00, 577.00, 13.00], [563.00, 577.00, 14.00]] → I need
我尝试过的事情:
for row in 0...numbersString.count-1 {
for col in 0...numbersString[0].count-1 {
numbersFloat[row][col] = numbersString[row][col]
}
}
Error: Cannot assign value of type 'String' to subscript of type 'Double'
for row in 0...numbersString.count-1 {
for col in 0...numbersString[0].count-1 {
var a = table[row][col]
table[row][col] = Float(a)
}
}
也许您想要这样的东西?