将多行制表符分隔的文本转换为数组Swift 4
将多行制表符分隔的文本转换为数组Swift 4
提问于 2019-02-24 10:21:22
我需要读取一个文本文件并将其转换为数组，以便可以使用它来填充tableView。数组一行中的每个键都将进入tableView单元格中的不同标签。
制表符分隔的文本数据结构看起来像这样，但有120行：
TextA TextB TextC TextD
"TextA“进入labelA，"TextB”进入labelB，"TextC“进入labelC，以此类推。
我有一些这样的工作。我可以读取文本文件，并用行分隔它。我遇到麻烦的部分是用制表符分隔每一行，并使用键将其放入数组中。for循环中的部分是我遇到问题的地方。我不确定这是不是最好的方法。
我想我可以弄清楚如何将数组解析到表视图中，但我可能也需要帮助。
谢谢你的帮助。
var figureArray = [String]()
let DocumentDirURL = try! FileManager.default.url(for: .documentDirectory, in: .userDomainMask, appropriateFor: nil, create: true)
let fileURL = DocumentDirURL.appendingPathComponent(gTheCollection).appendingPathExtension("txt")
do {
let readText = try String(contentsOf: fileURL, encoding: String.Encoding.utf8)
let theLines = readText.components(separatedBy: "\n")
let theCount = theLines.count - 1
for i in 0...(theCount) {
let figureData = theLines[i].components(separatedBy: "\t")
figureArray.append(figureData[0])
figureArray.append(figureData[1])
figureArray.append(figureData[2])
figureArray.append(figureData[3])
}
} catch let error as NSError {
print("Failed reading from URL: \(fileURL), Error: " + error.localizedDescription)
}回答 1
Stack Overflow用户
发布于 2019-03-01 04:20:54
我最终做了这件事。
func buildTheDictionary() {
let DocumentDirURL = try! FileManager.default.url(for: .documentDirectory, in: .userDomainMask, appropriateFor: nil, create: true)
let fileURL = DocumentDirURL.appendingPathComponent(gTheCollection).appendingPathExtension("txt")
figureArray = []
do {
let readText = try String(contentsOf: fileURL, encoding: String.Encoding.utf8)
let theLines = readText.components(separatedBy: "\n") as [String]
for i in 1..<theLines.count {
let figureData = theLines[i].components(separatedBy: "\t") as [String]
figureDict["obrien"] = figureData[0] //"\(figureData[0])"
figureDict["manuf"] = figureData[1] //"\(figureData[1])"
figureDict["descript"] = figureData[2] //"\(figureData[2])"
figureDict["notes"] = figureData[3] //"\(figureData[3])"
figureArray.addObjects(from: [figureDict])
}
} catch let error as NSError {
print("Failed reading from URL: \(fileURL), Error: " + error.localizedDescription)
}
}
override func tableView(_ tableView: UITableView, cellForRowAt indexPath: IndexPath) -> UITableViewCell {
let theCell = tableView.dequeueReusableCell(withIdentifier: "figureList_Cell", for: indexPath) as! FigureList_Cell
let figures = figureArray[indexPath.row]
theCell.obrienLabel.text = (((figures as AnyObject) .object(forKey: "obrien") ?? "") as! String)
theCell.manufLabel.text = (((figures as AnyObject) .object(forKey: "manuf") ?? "") as! String)
theCell.descriptionLabel.text = (((figures as AnyObject) .object(forKey: "descript") ?? "") as! String)
theCell.notesLabel.text = (((figures as AnyObject) .object(forKey: "notes") ?? "") as! String)
return theCell
}页面原文内容由Stack Overflow提供。腾讯云小微IT领域专用引擎提供翻译支持
原文链接：
https://stackoverflow.com/questions/54848150
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