原创Java版的Shell

发布时间：2020-12-14 06:30:27 所属栏目：Java 来源：网络整理

导读：如果你接触过windows操作系统，你应该对windows中的cmd有一定的了解。如果你接触过Linux操作系统，你应该对Linux的shell有一定的了解。本文说的正是linux中的shell。不过这个是我用java编程实现的“shell”。现在的功能有三个： ? ?1.扫描文件（过滤文件

如果你接触过windows操作系统，你应该对windows中的cmd有一定的了解。

如果你接触过Linux操作系统，你应该对Linux的shell有一定的了解。

本文说的正是linux中的shell。不过这个是我用java编程实现的“shell”。

现在的功能有三个：

? ?1.扫描文件（过滤文件），如：“c: gif”，命令是在C盘下面，查找后缀是.gif的文件，并且打印到控制台上。

? ?2.命令：“cd c:users”,把路径“c:users"下面的所有文件打印出来，并且进行统计。

? ?3.命令：“exit”，退出系统。

先来看看项目的结构：

运行的效果：

}

ScanDelegate @SuppressWarnings("unused" .inputs = .path = .suffix = ScanDelegate delegate = ScanDelegate(inputs[0],inputs[1 fileCount = 0 File file = File(inputs[0 (! } File[] subFile = ( == subFile || subFile.length == 0 ( i = 0; i < subFile.length; i++ folderCount++ fileCount += scan( } PrintUtil.printInfo(CommonUtil.FIND_FILE + targetCount++ fileCount++ startTime = num = scan( printResult( PrintUtil.printInfo(CommonUtil.LEFT_BLANKETS + path + PrintUtil.printInfo(CommonUtil.FOLDERS + PrintUtil.printInfo(CommonUtil.FILES + PrintUtil.printInfo(CommonUtil.TARGET + suffix + CommonUtil.TARGET_FILES + entTime = PrintUtil.printInfo(CommonUtil.SPEND + (entTime - startTime) + File file = File(inputs[1 (! } File[] listFiles = ( i = 0; i < listFiles.length; i++ PrintUtil.printInfo(CommonUtil.BOUNDARY + "n"+ CommonUtil.TOTAL + inputFilePath.substring(inputFilePath.lastIndexOf(CommonUtil.POINT) + 1 }

ScanProxy .scanDelegate = 0 startTime = entTime = PrintUtil.printInfo(CommonUtil.SPEND + (entTime - startTime) + }

ScanProxy( }

String DESCRIPTION = "Please input as this format :n[C: png] or [cd C:]" String EXIT_SYSTEM = "exited system." String INCORRECT_PATH = "Incorrect path!" String INCORRECT_INPUT_FORMAT = "Incorrect input format!" String CD = "cd" String BLANK = " " String EXIT = "exit" String POINT = "." String BOUNDARY = "======================================" String LEFT_BLANKETS = "[" String CONTAINS = "] contains :" String FOLDERS = "folder(s) : " String FILES = "file(s) : " String TARGET = "target [" String TARGET_FILES = "] file(s) : " String SPEND = "Spend :[" String FIND_FILE = "Find file : " String MS = "]ms" String TOTAL = "Total :" TWO = 2 }

printInfo( }

controlFlag = Client client = inputStreamScanner = (!controlFlag && } } String inputContent = (! controlFlag = (! "exit"(ignore case),then the system will be exit. controlFlag = System.exit(0 String[] inputs = ( != inputs && inputs.length >= ScanFiles factory = (CommonUtil.CD.equalsIgnoreCase(inputs[0 } } }

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