创建一个 .bat 文件并通过调用运行多个命令

Question

我想在批处理文件中运行一些命令并使用 if 语句。

@echo off
call npm install
echo node js instaled
if not errorlevel 1 (
    call composer install
    if not errorlevel 1 (
        echo commands run success.
    ) else (
        echo please install composer and then run this batch again.
    )
) else (
    echo you have not nodejs in your system. please install nodejs.
)

当我在 npm install 完成后运行这个批处理文件时说

node js installed
if was unexpected at this time.

如何检查命令的成功和失败，然后运行其他命令。

Answer 1

试试这个：

@echo off
call npm install && (
    echo node js installed
    call composer install && (
       echo Composer installed
    ) || echo composer install failed
) || echo Nodejs install failed

&& 是有条件的，如果第一个命令成功，则运行下一个。 || 将成为 else 运算符。