路径c:\windows\system32\drivers\etc
例如：
# Copyright (c) 1993-2009 Microsoft Corp.
#
# This is a sample HOSTS
file used by Microsoft TCP/IP 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
# 38.25.63.10
x.acme.com # x client host
# localhost name resolution is handled within DNS itself.
# 127.0.0.1
localhost
# ::1 localhost
# 计算机ip 计算机名