Update 'Jenkinsfile'

Jenkinsfile

@@ -7,11 +7,11 @@ pipeline {
                 git(url: 'http://git.abilityell.com/william/react-project.git', branch: 'main')
                 
                 withEnv(['CI=false']) {     //ignore warning
-                    sh 'npm install'
-                    sh 'npm run build'
+                    bat 'npm install'
+                    bat 'npm run build'
                 }    
                 
-                sh '''
+                bat '''
                     echo "build react ..."
                     pwd 
                     ls -l build 
@@ -20,14 +20,14 @@ pipeline {
         }
         stage('Test') {
             steps {
-                sh 'mvn test'
+                bat 'mvn test'
             }
         }
         stage("Deploy React App") {
             when { expression { false }  }
             steps {
                 withCredentials([sshUserPrivateKey(credentialsId: 'docker-ssh', keyFileVariable: 'SSH_KEY')]) {
-                    sh '''
+                    bat '''
                         scp -i $SSH_KEY -o StrictHostKeyChecking=no -r build/* $DOCKER_HOST:/var/www/html/
                         
                         ssh -i $SSH_KEY -o StrictHostKeyChecking=no $DOCKER_HOST 'chmod -R 755 /var/www/html/*'