判断移动端或者PC端

created() {
   const ua = navigator.userAgent
    const ipad = ua.match(/(iPad).*OS\s([\d_]+)/)
    const isIphone = !ipad && ua.match(/(iPhone\sOS)\s([\d_]+)/)
    const isAndroid = ua.match(/(Android)\s+([\d.]+)/)
   const isMobile = isIphone || isAndroid
   if (isMobile) {
       location.href = 'http://'
     } else {
       location.href = 'http://'
     }
   }