string(321) "get document error：https://zhidao.baidu.com/search?lm=0&rn=10&pn=0&fr=search&dyTabStr=null&word=%E6%80%BB%E7%BB%93%E5%88%B6%E4%BD%9C%E7%BD%91%E9%A1%B5%E7%9A%84%E5%9F%BA%E6%9C%AC%E6%AD%A5%E9%AA%A4%E7%AE%80%E7%AD%94%E9%A2%98%E5%92%8C%E7%AD%94%E6%A1%88 => Failed to connect to 125.88.227.171 port 38114: Connection refused"
总结制作网页的基本步骤简答题和答案
