Mac OS 修改Hosts文件
终端命令行修改
sudo vi /etc/hosts
1.输入本机密码后，打开hosts文件，键盘输入 i （插入），修改hosts文件后，按 esc 键退出,再按shift+：键，再输入w和q，保存退出
2.不保存退出，则按q和！键
系统偏好设置修改
1.打开系统偏好设置，底部有一个Hosts的快捷入口 2.输入ip和hostname后，回车确定，勾选改host即可
直接修改系统Hosts文件
方法A 1.打开Finder，按快捷键组合 Shift+Command+G 查找文件，输入/etc/hosts,确认前往
方法B 1.1.打开Finder，按快捷键组合 Shift+Command+G 查找文件，输入/private,确认前往后可看到 etc 文件夹，邮件选择'显示简介'，在底部打开‘共享和权限’
2.将everyone的权限改为‘读与写’，保存后直接修改hosts文件，最后完成后将权限改回来
配置公司内部hosts
## 测试环境1
10.66.221.4 test.yue.ifeng.com test.canews.ifeng.com test.18.ifeng.com test.cci.ifeng.com test.a.ifeng.com test.bang.ifeng.com test.ref-xmllq-hz1.ifeng.com
10.66.221.4 test.so.ifeng.com test.baby.ifeng.com test.ialbum.ifeng.com test.local.shank.ifengidc.com test0.local.shank.ifengidc.com
10.66.221.4 test.imemory.ifeng.com test.d.shankapi.ifeng.com test.debug.shankapi.ifeng.com test.lapuda.ifeng.com
10.66.221.4 test.auto.ifeng.com test.iauto.ifeng.com test.career.ifeng.com test.inews.ifeng.com test.i.ifeng.com
10.66.221.4 test.www.ifeng.com test.food.ifeng.com test.foodnwine.ifeng.com test.v.ifeng.com test.tv.ifeng.com test.ient.ifeng.com
10.66.221.4 test.home.ifeng.com test.fo.ifeng.com test.ishare.ifeng.com test.biz.ifeng.com test.f1.ifeng.com test.jiu.ifeng.com test.gongyi.ifeng.com
10.66.221.4 test.feng.ifeng.com test.dm.ifeng.com test.home.ifeng.com test.huanan.ifeng.com test.young.ifeng.com test.city.ifeng.com
10.66.221.4 test.local.shank.ifengidc.com test.ent.ifeng.com m test.mil.ifeng.com test.fashion.ifeng.com test.sports.ifeng.com test.gov.ifeng.com test.pl.ifeng.com
10.66.221.4 test.news.ifeng.com test.ucms.ifeng.com test.photo.ifeng.com test.pit.ifeng.com test.tech.ifeng.com test.health.ifeng.com test.finance.ifeng.com test.innovation.ifeng.com
10.66.221.4 test.talk.ifeng.com test.travel.ifeng.com test.culture.ifeng.com test.guoxue.ifeng.com test.history.ifeng.com
10.66.221.4 test.ds.ifeng.com test.gentie.ifeng.com test.vote.ifeng.com test.edu.ifeng.com test.games.ifeng.com
10.66.221.4 test.openucms.ifeng.com test.sx.ifeng.com test.isx.ifeng.com test.phtv.ifeng.com test.shankapi.ifeng.com test.client.ifeng.com
10.66.221.4 test.sd.ifeng.com test.ecresearch.ifeng.com test.5g.ifeng.com test.silu.ifeng.com
10.66.221.4 test.ifinance.ifeng.com test.mall.ifeng.com
10.66.221.4 test.tousu.ifeng.com test.ifengzhishu.ifeng.com test.presents.ifeng.com test.group.ifeng.com
10.66.221.4 test.www.bomboom.cn