swift4--复制删除和移动文件

//文件操作类
class FileOperation {
    
    // 复制一个文件，到目标位置
    static func copyFile(sourceUrl:String, targetUrl:String) {
        let fileManager = FileManager.default
        do{
            try fileManager.copyItem(atPath: sourceUrl, toPath: targetUrl)
            print("Success to copy file.")
        }catch{
            print("Failed to copy file.")
        }
    }
    
    // 移动文件到目标位置
    static func movingFile(sourceUrl:String, targetUrl:String){
        let fileManager = FileManager.default
        let targetUrl = targetUrl
        print("targetUrl = \(targetUrl)")
        do{
            try fileManager.moveItem(atPath: sourceUrl, toPath: targetUrl)
            print("Succsee to move file.")
        }catch{
            print("Failed to move file.")
        }
    }
    
    // 删除目标文件
    static func removeFile(sourceUrl:String){
        let fileManger = FileManager.default
        do{
            try fileManger.removeItem(atPath: sourceUrl)
            print("Success to remove file.")
        }catch{
            print("Failed to remove file.")
        }
    }
    
    // 删除目标文件夹下所有的内容
    static func removeFolder(folderUrl:String){
        let fileManger = FileManager.default
        //        然后获得所有该目录下的子文件夹
        let files:[AnyObject]? = fileManger.subpaths(atPath: folderUrl)! as [AnyObject]
        //        创建一个循环语句，用来遍历所有子目录
        for file in files!
        {
            do{
                //删除指定位置的内容
                try fileManger.removeItem(atPath: folderUrl + "/\(file)")
                print("Success to remove folder.")
            }catch{
                print("Failder to remove folder")
            }
        }
        
    }

    // 遍历目标文件夹
    static func listFolder(folderUrl:String){
        let manger = FileManager.default
        //        获得文档目录下所有的内容，以及子文件夹下的内容，在控制台打印所有的数组内容
        let contents = manger.enumerator(atPath: folderUrl)
        print("contents:\(String(describing: contents?.allObjects))")
        
    }
}