Jenkins Pipeline SSH Publisher 环境变量、参数引用 要用双引号

pipeline {
    agent any
    environment { 
        PROJECT_NAME='vipsoft' 
    }
    stages {
        stage('Docker Build 、Push Repository') {
            steps {
               echo " PROJECT_NAME => '${PROJECT_NAME}'"    
               sshPublisher(publishers: [sshPublisherDesc(configName: "DockerPublishSSH", transfers: [sshTransfer(cleanRemote: false, excludes: '', execCommand: """
               pwd
               mkdir -p /opt/jenkins/${PROJECT_NAME}
               cd /opt/jenkins/${PROJECT_NAME}
               echo "/opt/jenkins/${PROJECT_NAME}"
               pwd
               echo 'COPY /target/${PROJECT_NAME}.jar /app/code/' > Dockerfile
            """, execTimeout: 120000, flatten: false, makeEmptyDirs: false, noDefaultExcludes: false, patternSeparator: '[, ]+', 
            remoteDirectory: "${PROJECT_NAME}", remoteDirectorySDF: false, removePrefix: '', sourceFiles: "target//${PROJECT_NAME}.jar")], 
            usePromotionTimestamp: false, useWorkspaceInPromotion: false, verbose: true)])
               echo 'Docker Build、Push  SUCCESS'
            }
        }
    } 
}