WindowsPowerShell实用技巧与游戏开发指南

### Windows PowerShell 实用技巧与游戏开发指南 #### 1. Windows PowerShell 别名使用建议 Windows PowerShell 支持大量别名，虽然在执行 cmdlet 时使用别名作为短期解决方案很方便，但建议大家尽量避免使用，而是花时间学习 PowerShell 的 cmdlet 名称，这样从长远来看有助于脚本的维护和支持。 不过，Windows PowerShell 也允许自定义别名，可使用 `Set-Alias` cmdlet 来实现，该 cmdlet 需要两个参数，第一个参数是要分配的别名，第二个参数是要关联的 cmdlet 名称。例如： ```powershell Set-Alias ds Write-Host ``` 需要注意的是，使用 `Set-Alias` cmdlet 时，Windows PowerShell 不会验证别名分配的有效性，需要自己测试并确保新别名能按预期工作，且没有输错目标 cmdlet 的名称。 #### 2. PowerShell 算命游戏开发 ##### 2.1 游戏设计 PowerShell 算命游戏的流程如下： 1. 显示欢迎屏幕。 2. 提供提问规则说明。 3. 提示玩家提问。 4. 根据随机数生成随机答案，答案会根据一天中的时间有所不同（下午时算命师会有点暴躁）。 5. 回答问题后，提示玩家继续提问或结束游戏。 6. 玩家选择结束游戏时，邀请玩家再次回来玩。 ##### 2.2 开发步骤 开发该脚本可按以下六个步骤完成： 1. 创建新脚本文件并添加开头注释语句。 2. 清屏并初始化脚本变量。 3. 显示欢迎屏幕。 4. 显示提问规则。 5. 提示玩家提问并生成答案。 6. 邀请玩家再次玩并结束脚本执行。 以下是具体的代码实现： ```powershell # ************************************************************************* # # Script Name: FortuneTeller.ps1 (PowerShell Fortune Teller) # Version: 2.0 # Author: Jerry Lee Ford, Jr. # Date: October 4, 2008 # # Description: This PowerShell script provides random answers to player # questions. # # ************************************************************************* #Clear the Windows command console screen Clear-Host #Define the variables used in this script to collect player input $question = "" #This variable will store the player's question $status = "Play" #This variable will be used to control game termination $answer = 0 #This variable stores a randomly generated number $randomNo = New-Object System.Random #This variable stores a random object $time = (Get-Date).Hour #This variable stores the current hour of the day #Display the game's opening screen Write-Host Write-Host Write-Host Write-Host Write-Host " W E L C O M E T O T H E W I N D O W S" Write-Host Write-Host Write-Host Write-Host " P O W E R S H E L L F O R T U N E T E L L E R" Write-Host Write-Host Write-Host Write-Host " By Jerry Lee Ford, Jr." Write-Host Write-Host Write-Host Write-Host Write-Host Write-Host Write-Host Write-Host Write-Host Write-Host Write-Host " Press Enter to continue." #Pause script execution and wait for the player to press the Enter key Read-Host #Clear the Windows command console screen Clear-Host #Provide the player with instructions Write-Host Write-Host " The fortune teller is a very busy and impatient mystic. Make" Write-Host Write-Host " your questions brief and simple and only expect to receive" Write-Host Write-Host " Yes / No styled answers." Write-Host Write-Host Write-Host Write-Host Write-Host Write-Host Write-Host Write-Host Write-Host Write-Host Write-Host Write-Host Write-Host Write-Host Write-Host Write-Host Write-Host Write-Host " Press Enter to continue." #Pause script execution and wait for the player to press the Enter key Read-Host #Continue gameplay ```