zaqmlp

字符串和变量之间建议用+进行拼接；不建议在字符串中直接引用变量，不然经常会遇到转义的问题，容易搞蒙自己

$strArr=@("a","b","c");
write-output "123$($strArr[0]),$($strArr[1]),$($strArr[2])";
write-output ($strArr -join ",");
write-output ("123"+($strArr -join ""));
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