apache篇
1.多虚拟主机

NameVirtualHost *
<VirtualHost *>
    ServerAdmin chenyu244@163.com
    DocumentRoot "G:/wamp/www"
    ServerName www.test.com
    #ErrorLog logs/a.com-error_log
    #CustomLog logs/a.com-access_log common
</VirtualHost>
<VirtualHost *>
    ServerAdmin chenyu244@163.com
    DocumentRoot "G:/wamp/www/study"
    ServerName study.test.com
    #ErrorLog logs/b.com-error_log
    #CustomLog logs/b.com-access_log common
</VirtualHost>

2。LoadModule模块

php篇
1.早熟悉了的short
2.上传限度
搜了一下2M，只有一个。。
3.extension是个有必要研究的地方 4.memory_limit＝8M