url 参数过滤

export function get_query_url_param(url_search: string, name: string) {
  const reg = new RegExp('(^|&)' + name + '=([^&]*)(&|$)')
  const r = url_search.match(reg)

  if (r) {
    return (r && r[2]) || ''
  } else {
    return ''
  }
}

const url_search = window.location.search

if (url_search) {
  const insidelink = get_query_url_param(url_search.substr(1), 'insidelink')

  console.info(insidelink)
  const from = get_query_url_param(url_search.substr(1), 'from')

  console.info(from)
}