28-创建issue时需要链接附件

import com.opensymphony.workflow.InvalidInputException

if(issue.attachmentsAddedInTransition.size() == 0) {
    throw new InvalidInputException("attachment", "Attachment is required")
}

import com.atlassian.jira.component.ComponentAccessor
import com.atlassian.jira.issue.attachment.TemporaryWebAttachmentManager
import com.atlassian.jira.issue.fields.AttachmentSystemField
import webwork.action.ActionContext

def temporaryAttachmentManager = ComponentAccessor.getComponent(TemporaryWebAttachmentManager)
def temporaryAttachmentIds = ActionContext.getRequest()?.getParameterValues(AttachmentSystemField.FILETOCONVERT)

temporaryAttachmentIds.each { String attachmentId ->
    def attachment = temporaryAttachmentManager.getTemporaryWebAttachment(attachmentId).getOrNull()
    if (attachment) {
        log.debug "Uploaded attachment name: ${attachment.filename}"
    }
}