如果要从
shstep 返回输出并将其捕获到变量中，则必须更改：
def response = sh 'curl https://some-host/some-service/getApi?apikey=someKey'
至：
def response = sh(script: 'curl https://some-host/some-service/getApi?apikey=someKey', returnStdout: true)
参考： https : //jenkins.io/doc/pipeline/steps/workflow-durable-
task-step/#sh-shell-script
