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为什么这不起作用?Swift数组索引超出范围
var lottoTaulukko = [Int]()
var finalLottoTaulukko = [[Int]]()
var laskuri1 = 0
var laskuri2 = 0
while laskuri2 < Int(riviLaskuri) {
while laskuri1 < Int(lottoMuoto) {
showRowsLabel.stringValue += "\(lottoTaulukko[laskuri1])"
finalLottoTaulukko[laskuri2][laskuri1] = lottoTaulukko[laskuri1] // ERROR IS HERE IN THIS LINE! fatal error: Index out of range
showRowsLabel.stringValue += " "
laskuri1 += 1
}
laskuri1 = 1
showRowsLabel.stringValue += "\n"
if laskuri2==10 {showRowsLabel.stringValue += "\n"}
lottoTaulukko.shuffle()
laskuri2 += 1
}
[错误:“数组索引超出范围”的多维数组]的可能的复制(http://stackoverflow.com/questions/32650268/error- array-index-out-of-range-in-multidimensional-array) – Hamish
您试图通过索引访问数组的元素,但是您传递的索引超出了数组的范围。看看你的代码,我认为你正试图从其范围索引的finalLottoTaulukko。你初始化了这个数组吗?它的大小是多少? – itskoBits
当你尝试访问它们的内容时,你的数组似乎都是空的。 – Losiowaty