2、删除记事本的全部内容，将以下内容复制后放入文件然后保存：

　　# Copyright （c） 1993-2009 Microsoft Corp.## This is a sample HOSTS file used by Microsoft TCPIP for Windows.## This file contains the mappings of IP addresses to host names. Each# entry should be kept on an individual line. The IP address should# be placed in the first column followed by the corresponding host name.# The IP address and the host name should be separated by at least one# space.## Additionally， comments （such as these） may be inserted on individual# lines or following the machine name denoted by a ‘#’ symbol.## For example：## 102.54.94.97 rhino.acme.com # source server# 38.25.630 x.acme.com # x client host

　　# localhost name resolution is handled within DNS itself.# 127.0.0 localhost# ：：1 localhost