jenkins-shared-library/vars/onBuildEvent.groovy

#!/usr/bin/env groovy
def call(String phase) {
    // 1. 先把凭据解析成真正的 URL 字符串
    String webhook = credentials('feishu-webhook')

    // 2. 取环境变量
    String jobName  = env.JOB_NAME
    String buildNum = env.BUILD_NUMBER
    String branch   = env.GIT_BRANCH ?: 'unknown'
    String result   = currentBuild.currentResult ?: 'UNKNOWN'
    String buildUrl = env.BUILD_URL
    String duration = phase == 'end' ? "${currentBuild.durationString}" : '-'

    String headerColor = phase == 'start' ? 'blue' : (result == 'SUCCESS' ? 'green' : 'red')

    def card = [
        header: [
            title: [tag: "plain_text", content: "Jenkins ${phase == 'start' ? '开始' : '结束'}通知"],
            template: headerColor
        ],
        elements: [
            [
                tag: "div",
                text: [
                    tag: "lark_md",
                    content: "**项目：** ${jobName}\n" +
                             "**分支：** ${branch}\n" +
                             "**构建：** #${buildNum}\n" +
                             "**结果：** ${result}\n" +
                             "**耗时：** ${duration}\n" +
                             "**链接：** [查看详情](${buildUrl})"
                ]
            ]
        ]
    ]

    // 3. 发送
    feishu.send(webhook, card)
}