Spring Security学习一-控制同个帐号当前只能有一个登录

Date: 2016-09-14
Author: Kagula
Envronment:
[1]JDK 1.7.0_79
[2]apache-tomcat-7.0.68
[3]Eclipse Mars2

Introduction:
   据《spring security的原理及教程》能实现
[a]踢出其它地方登录的这个帐号。
[b]或者已经登录了，就不允许再登录。
   理论部份参考资料[1]《spring security的原理及教程》
   这里只贴代码
 
Content:
控制流

四个类之间的相互依赖

示例由6个class、6个jsp、三个配置文件组成
web.xml
 

<?xml version="1.0" encoding="UTF-8"?>
<web-app xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
    xmlns="http://java.sun.com/xml/ns/javaee"
    xsi:schemaLocation="http://java.sun.com/xml/ns/javaee http://java.sun.com/xml/ns/javaee/web-app_3_0.xsd"
    id="schedule-console" version="3.0">
 
  <display-name>Archetype Created Web Application</display-name>
  
  <!--加载Spring XML配置文件 -->
  <context-param>
  	<param-name>contextConfigLocation</param-name>
    <param-value> classpath:securityConfig.xml</param-value>
  </context-param> 
  
  <!-- Spring Secutiry3.1的过滤器链配置 -->
  <filter>
    <filter-name>springSecurityFilterChain</filter-name>
    <filter-class>org.springframework.web.filter.DelegatingFilterProxy</filter-class>
  </filter>
  
  <filter-mapping>
  	<filter-name>springSecurityFilterChain</filter-name>
    <url-pattern>/*</url-pattern>
  </filter-mapping>
  
  <!-- Spring 容器启动监听器 -->
  <listener>
    <listener-class>org.springframework.web.context.ContextLoaderListener</listener-class>
  </listener>   
      
  <!--系统欢迎页面 -->
  <welcome-file-list>
    <welcome-file>index.jsp</welcome-file>
  </welcome-file-list>
  
</web-app>

pom.xml

<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
  xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/maven-v4_0_0.xsd">
  <modelVersion>4.0.0</modelVersion>
  <groupId>com.nuoke</groupId>
  <artifactId>testSpringSecurity</artifactId>
  <packaging>war</packaging>
  <version>0.0.1-SNAPSHOT</version>
  <name>testSpringSecurity Maven Webapp</name>
  <url>http://maven.apache.org</url>
  
  <properties>
	<project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
	<project.reporting.outputEncoding>UTF-8</project.reporting.outputEncoding>
	<spring.version>3.1.2.RELEASE</spring.version>
  </properties>
  
  <dependencies>    
    <dependency>
		<groupId>org.springframework</groupId>
		<artifactId>spring-core</artifactId>
		<version>${spring.version}</version>
		<!-- <exclusions> <exclusion> <groupId>commons-logging</groupId> <artifactId>commons-logging</artifactId> 
			</exclusion> </exclusions> -->
	</dependency>	
	
	<dependency>
		<groupId>org.springframework</groupId>
		<artifactId>spring-beans</artifactId>
		<version>${spring.version}</version>
	</dependency>	
	
	<dependency>
		<groupId>org.springframework</groupId>
		<artifactId>spring-webmvc</artifactId>
		<version>${spring.version}</version>
	</dependency>
	
	<dependency>
      <groupId>org.springframework.security</groupId>
      <artifactId>spring-security-core</artifactId>
      <version>${spring.version}</version>
    </dependency>
    
    <dependency>  
      <groupId>org.springframework.security</groupId>  
      <artifactId>spring-security-web</artifactId>  
      <version>${spring.version}</version>
	</dependency>
	 
	<dependency>  
      <groupId>org.springframework.security</groupId>  
      <artifactId>spring-security-config</artifactId>  
      <version>${spring.version}</version>  
    </dependency> 

    <dependency>  
      <groupId>org.springframework.security</groupId>  
      <artifactId>spring-security-taglibs</artifactId>  
      <version>${spring.version}</version>  
    </dependency>  
  </dependencies>
  
  <build>
    <finalName>testSpringSecurity</finalName>
     <plugins>  
       <!--  为了解决“Dynamic Web Module 3.0 requires Java 1.6 or newer.”错误需要下面的plugin -->
        <plugin>  
          <groupId>org.apache.maven.plugins</groupId>  
          <artifactId>maven-compiler-plugin</artifactId>  
          <version>3.0</version>  
          <configuration>  
              <source>1.7</source>  
              <target>1.7</target>  
          </configuration>  
        </plugin>  
    </plugins>  
  </build