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Node.js os.arch()用法及代碼示例

os.arch()方法是os模塊的內置應用程序編程接口,用於獲取編譯當前node.js的計算機的CPU體係結構。

用法:

os.arch()

參數:此方法不接受任何參數。


返回值:此方法返回為其編譯當前node.js的操作係統CPU體係結構。可能的值為“ x32”,“ x64”,“ arm”,“ arm64”,“ s390”,“ s390x”,“ mipsel”,“ ia32”,“ mips”,“ ppc”和“ ppc64”。

以下示例說明了Node.js中os.arch()方法的使用:

範例1:

// Node.js program to demonstrate the    
// os.arch() method 
  
// Allocating os module 
const os = require('os'); 
  
// Printing os.arch() 
console.log(os.arch());

輸出:

x64

範例2:

<script> 
// Node.js program to demonstrate the    
// os.arch() method 
   
// Allocating os module 
const os = require('os'); 
   
// Printing os.arch() description 
// of the architecture 
switch(os.arch()){ 
    case 'x32':
        console.log("32-bit extended system"); 
        break; 
       
    case 'x64':
        console.log("64-bit extended system"); 
        break; 
   
    case 'arm':
        console.log("32-bit  Advanced RISC Machine"); 
        break; 
   
    case 'arm64':
        console.log("64-bit  Advanced RISC Machine"); 
        break; 
   
    case 's390':
        console.log("31-bit The IBM System/390, the"
                + " third generation of the System/360"
                + " instruction set architecture"); 
        break; 
   
    case 's390x':
        console.log("64-bit The IBM System/390, the"
                + " third generation of the System/360"
                + " instruction set architecture"); 
        break; 
   
    case 'mipsel':
        console.log("64-bit Microprocessor without"
                + " Interlocked Pipelined Stages"); 
        break; 
   
    case 'mips':
        console.log("32-bit Microprocessor without"
                + " Interlocked Pipelined Stages"); 
        break; 
   
    case 'ia32':
        console.log("32-bit Intel Architecture"); 
        break; 
   
    case 'ppc':
        console.log("PowerPC Architecture."); 
        break; 
   
    case 'ppc64':
        console.log("64-bit PowerPC Architecture."); 
        break; 
   
    default:
        console.log(" unknown processor"); 
} 
</script>

輸出:

64-bit extended system

注意:上麵的程序將通過使用node index.js命令。

參考: https://nodejs.org/api/os.html#os_os_arch



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注:本文由純淨天空篩選整理自gekcho大神的英文原創作品 Node.js | os.arch() Method。非經特殊聲明,原始代碼版權歸原作者所有,本譯文未經允許或授權,請勿轉載或複製。