本文详解Spring-Security系列。
Spring-Security的官网：http://projects.spring.io/spring-security/
官方解释如下
Spring Security is a framework that focuses on providing both authentication and authorization to Java applications. Like all Spring projects, the real power of Spring Security is found in how easily it can be extended to meet custom requirements
翻译：spring-security是专注于对JAVA应用程序提供认证和授权的框架，和所有的spring项目一样，spring-security的真正目标在于能够扩展用户的需求。
下文基于官方文档对spring-security的使用做初步探索。
从四个方面进行探索和分析
Hello Spring Security Java Config - demonstrates how to integrate Spring Security with an existing application using Java-based configuration
spring-Security的java配置
Hello Spring Security with Boot - demonstrates how to integrate Spring Security with an existing Spring Boot application
spring-Security的Sping-boot配置
Hello Spring Security Xml Config - demonstrates how to integrate Spring Security with an existing application using Xml-based configuration
spring-Security的xml配置
Hello Spring MVC Security Java Config - demonstrates how to integrate Spring Security with an existing Spring MVC application
spring-Security的MVC配置
原文：http://www.cnblogs.com/cnxieyang/p/7289567.html