hosts文件都乱套了，怎么修复，还原

hosts文件都乱套了，怎么修复，还原

# Copyright (c) 1993-1999 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
　　127.0.0.1 localhost

右键单击，把它的后缀名中的.txt去掉之后保存就好了，注意txt前面还有个点。 再看看别人怎么说的。

hosts文件默认是空的也没问题，因为那些语句都被#注释掉，不会运行的。如果要自己解析，那就用记事本打开，填入IP，空格，再填入域名，如 127.0.0.1 localhost