异常

除法，除数为零报错 RuntimeException: Attempted to divide by zero 。抛出异常后， PowerShell 继续运行，不中断。

Write-Host 1

1 / 0

Write-Host 2

1
RuntimeException
Line |
     |  1 / 0
     |  ~~~~~
     | Attempted to divide by zero.
2

使用 try...catch 处理异常。

Write-Host 1

try {
    Write-Host 2
    1 / 0
    Write-Host 3
} catch {
    Write-Host '除法错误'
}

Write-Host 4

1
2
除法错误
4

异常 ​