Get all Request Parameters in Servlet
http://examples.javacodegeeks.com/enterprise-java/servlet/get-all-request-parameters-in-servlet/
http://blog.csdn.net/sorrow199117/article/details/8848505
使用Spring3.0的AOP结合log4j实现接口方法执行时间记录
http://willvvv.iteye.com/blog/1534697
log4j配置详解
http://stonexmx.blog.163.com/blog/static/1221585872009716112428738/
用 AOP 来记录每个方法的执行时间(Spring 或直接 AspectJ)
http://jportal.iteye.com/blog/945725