StackOverflow 文档 PowerShell 教程 运算符 逻辑运算符 逻辑运算符 Created: November-22, 2018 -and # Logical and -or # Logical or -xor # Logical exclusive or -not # Logical not ! # Logical not 字符串操作运算符混合操作数类型左操作数的类型决定了行为