transitPlatForm-Vue3/src/utils/printHelper.ts

/**
 * @file printHelper.ts 检查打印服务连接状态
 * @author: w
 * @since: 2026-01-26
 */

import { ElMessageBox, ElMessage } from 'element-plus'
import { printcheck } from '@/api/checkCode/index'
import Download from '@/plugins/download'
import { getWebSocketState } from '@/utils/webSocket';

export const checkPrintService = async (): Promise<boolean> => { //连接成功返回true，失败返回false
  try {
    if (getWebSocketState() == 1) { // 1表示WebSocket已连接
      return true
    } else {
      await showPrintServiceError('打印服务未连接')
      return false
    }
  } catch (error) {
    console.error('打印服务检查失败：', error)
    await showPrintServiceError('打印服务连接异常')
    return false
  }
}


export const showPrintServiceError = async (msg: string) => {
  // 挂载downExe方法到window，供提示框内的onclick调用
  if (!(window as any).downExe) {
    (window as any).downExe = () => {
      Download.name('lisprintsetup.exe', false)
    }
  }

  await ElMessageBox.alert(
    `${msg}！<br>请确保目标服务器已<a style="color: #1f79db" onclick="downExe()">下载安装</a> 并运行打印服务！`,
    "客户端未连接",
    {
      dangerouslyUseHTMLString: true,
    }
  )
}

//触发打印服务安装包下载
export const downloadPrintSetup = () => {
  Download.name('lisprintsetup.exe', false)
}