1 要写的文件，必须有写的权限 chomd a+rwx  *  -R

2 php要有安装sql库

 

 from  

yum install php-mysql

错误：

  --> Finished Dependency Resolution

mysql-5.0.95-5.el5_9.x86_64 from updates has depsolving problems   --> mysql conflicts with MySQL-server-community Error: mysql conflicts with MySQL-server-community  You could try using --skip-broken to work around the problem  You could try running: package-cleanup --problems                         package-cleanup --dupes                         rpm -Va --nofiles --nodigest

   =========

  看出mysql冲突.

   mysql -V:   

  mysql  Ver 14.14 Distrib 5.1.54, for unknown-linux-gnu (x86_64) using readline 5.1

   mysql安装的是5.1.54

   ==================

  php的库路径//usr/lib64/php/modules/

  php的php.ini /etc/php.ini