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程序员文章站 2023-12-30 15:11:58
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1.Variable declaration
所有的变量都必须以$开始
Example:
[int]$valA = 2;
[int]$valB = 3;
[int]$valC = 0;
$valC = $valA + $valB;
write-host("The sum is: " + $valC);
 
2.Arrays 
Example:
$myArray = 1,2,3,4,5,6,7,8,9,10;
[int] $sum = 0; 
foreach ($val in $myArray)
{
    write-host ("Index with value:$val");
    $sum = $sum + $val;
}
Write-host(“The sum is: $sum”);
3.Associative Arrays 类似于C++ map, key,value pair.
## Declaration syntax:
# $<arrayname> = @{<keyName = Value>;…}
$countries = @{'88' = 'Bangladesh'; '44' = 'United Kingdom'; '11' = 'United States'; '1' = 'Canada'};
$countries
 
4.Loops, 支持for, foreach, while三种循环
 
for ($i=0; $i<10;$i++)
{Write-Host $i} 
$i = 1
for(;;)
{
   Write-Host $i
}
 
$letterArray = "a","b","c","d"
foreach ($letter in $letterArray)
{
Write-Host $letter
}
 
while($val -ne 3)
{
   $val++
   Write-Host $val
}
各种操作符:
逻辑操作符, 与 或 非

Operator

Description

Example

Results

-and

logical and

(A -eq A) -and (A -eq B)

false

-or

logical or

(A -eq B) -or (A -eq A)

true

-not

logical not

(1 -eq 1) -and -not (2 -gt 2)

true

!

logical not

(1 -eq 1) -and !(2 -gt 2)

true

 

比较操作符:

-eq

Equal (case insensitive)

-ne

Not equal (case insensitive)

-ge

Greater than or equal (case insensitive)

-gt

Greater than (case insensitive)

-lt

Less than (case insensitive)

-le

Less than or equal (case insensitive)

-like

Wildcard comparison (case insensitive)

-notlike

Wildcard comparison (case insensitive)

-match

Regular expression comparison (case insensitive)

-notmatch

Regular expression comparison (case insensitive)

-replace

Replace operator (case insensitive)

-contains

Containment operator (case insensitive)

-notcontains

Containment operator (case insensitive)

 

-ieq

Case insensitive equal

-ine

Case insensitive not equal

-ige

Case insensitive greater than or equal

-igt

Case insensitive greater than

-ile

Case insensitive less than or equal

-ilt

Case insensitive less than

-ilike

Case insensitive equal

-inotlike

Case insensitive equal

-imatch

Case insensitive regular expression comparison

-inotmatch

Case insensitive regular expression comparison

-ireplace

Case insensitive replace operator

-icontains

Case insensitive containment operator

-inotcontains

Case insensitive containment operator

 

-ceq

Equal (case sensitive)

-cne

Not equal (case sensitive)

-cge

Greater than or equal (case sensitive)

-cgt

Greater than (case sensitive)

-clt

Less than (case sensitive)

-cle

Less than or equal (case sensitive)

-clike

Wildcard comparison (case sensitive)

-cnotlike

Wildcard comparison (case sensitive)

-cmatch

Regular expression comparison (case sensitive)

-cnotmatch

Regular expression comparison (case sensitive)

-creplace

Replace operator (case sensitive)

-ccontains

Containment operator (case sensitive)

-cnotcontains

Containment operator (case sensitive)

 

-is

Is of a type

-isnot

Is not of a type

-as

Is a type, no error if conversion fails

 

if (($val1 -eq $val2) -and ! ($val1 = "Some value")){ 
   Write-Host("One condition satisfied.");
}else{
   Write-Host("Condition not satisfied.");
} 
 
Function:
 
 

转载于:https://www.cnblogs.com/ming11/archive/2011/09/30/2196442.html

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