swift3 - 替换url

Question

我应该将“../~~~~.pdf.2.3"(.zip，.xls etc ...”等下载网址替换为“../~~~.pdf”

如果我使用url.lastPathComponent，返回nil。

所以我喜欢这段代码。

let fileLastPathComponents = remoteFileUrl.absoluteString.components(separatedBy: "/") 
    let lastPathComponent = fileLastPathComponents[fileLastPathComponents.count - 1] 
    let fileName = lastPathComponent.components(separatedBy: ".") 
    let fileNameStr = "\(fileName[0]).\(fileName[1])" 

它的工作，但removingPercentEncoding没有奏效（返程无）

我如何帮助编码后的文件名？

我不能改变这个服务器

谢谢

Answer 1

将这个解决方案是罚款吗？

func dropVersion(fromPath path: String) -> String { 
    var path = path 
    var lastComponent = (path as NSString).lastPathComponent 
    path = (path as NSString).deletingLastPathComponent as String 

    while lastComponent.characters.count > 0 && (lastComponent.characters.last == "." || Int(String(lastComponent.characters.last!)) != nil) { 
     lastComponent = String(lastComponent.dropLast()) 
    } 

    return path + "/" + lastComponent 
} 

let path = "/this_is/your/path.zip.2.3" 
dropVersion(fromPath: path) // will return /this_is/your/path.zip