怎样屏蔽一些网站？？（电脑高手来啊）

在浏览器菜单栏点工具－》internet选项－》安全，然后点受限制的站点，在点下面的站点按钮，把你想限制的网站添加进去，还有很多第三方的浏览器有更方便的设置

打开C:\WINDOWS\system32\drivers\etc 把hosts用记事本打开 # 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

看到上面的之后 你输 127.0.0.1 后