Jenkinsの認証情報を用いてbatでNASにアクセスする

stage('Copy to NAS with Login') {
    steps {
        withCredentials([usernamePassword(credentialsId: 'nas-credentials', usernameVariable: 'NAS_USER', passwordVariable: 'NAS_PASS')]) {
            bat '''
            chcp 65001
            set "NAS_PATH=\\\\NAS01\\coverage-reports"
            net use %NAS_PATH% /user:%NAS_USER% %NAS_PASS%
            set "src=%WORKSPACE%\\build\\reports\\jacoco"
            set "dst=%NAS_PATH%\\%DATE:~0,4%%DATE:~5,2%%DATE:~8,2%"
            mkdir "%dst%"
            robocopy "%src%" "%dst%" /E
            '''
        }
    }
}

自分用

stage('Zip and Upload Coverage to NAS') {
    steps {
        withCredentials([usernamePassword(credentialsId: 'nas-credentials', usernameVariable: 'NAS_USER', passwordVariable: 'NAS_PASS')]) {
            bat '''
            chcp 65001

            rem ====== 日付フォルダ名を作成 ======
            for /f %%i in ('powershell -Command "Get-Date -Format yyyyMMdd"') do set DATE_DIR=%%i

            rem ====== ZIPファイル作成 ======
            powershell -Command "Compress-Archive -Path build\\reports\\jacoco\\* -DestinationPath build\\reports\\jacoco\\jacoco_%DATE_DIR%.zip -Force"

            rem ====== NASへ接続 ======
            set "NAS_PATH=\\\\NAS01\\coverage-reports"
            net use %NAS_PATH% /user:%NAS_USER% %NAS_PASS%

            rem ====== アップロード ======
            copy build\\reports\\jacoco\\jacoco_%DATE_DIR%.zip %NAS_PATH%\\jacoco_%DATE_DIR%.zip

            rem ====== 接続解除（必要に応じて） ======
            net use %NAS_PATH% /delete /yes
            '''
        }
    }
}