Spring Security教程(5)---- 国际化配置及UserCache
2015-10-27 14:42
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这一章是为了给后面的讲解打基础的,主要介绍下国际化的配置及UserCache的配置及使用
国际化配置
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![](https://oscdn.geek-share.com/Uploads/Images/Content/201611/a7c8e286f463007e2a900848b93dd72c.png)
![](https://oscdn.geek-share.com/Uploads/Images/Content/201611/9e12f1d3e499fc949c886e7c9e0484f9)
<!-- 定义上下文返回的消息的国际化 -->
<bean id="messageSource"
class="org.springframework.context.support.ReloadableResourceBundleMessageSource">
<property name="basename"
value="classpath:config/messages_zh_CN"/>
</bean>
basename中配置的是消息文件的路径
在spring-security-core-3.2.0.M1.jar包中的org.springframework.security下可以找到国际化文件,可以直接拿来,这个类也可以用在项目中
[java] view
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![](https://oscdn.geek-share.com/Uploads/Images/Content/201611/a7c8e286f463007e2a900848b93dd72c.png)
![](https://oscdn.geek-share.com/Uploads/Images/Content/201611/9e12f1d3e499fc949c886e7c9e0484f9)
@Autowired
private MessageSource messageSource;
这样就可以在类中引如MessageSource使用了,MessageSource提供了下面三个方法
[html] view
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![](https://oscdn.geek-share.com/Uploads/Images/Content/201611/a7c8e286f463007e2a900848b93dd72c.png)
![](https://oscdn.geek-share.com/Uploads/Images/Content/201611/9e12f1d3e499fc949c886e7c9e0484f9)
String getMessage(String code, Object[] args, String defaultMessage, Locale locale);
String getMessage(String code, Object[] args, Locale locale) throws NoSuchMessageException;
String getMessage(MessageSourceResolvable resolvable, Locale locale) throws NoSuchMessageException;
比如我们在property文件中定义了如下消息
[java] view
plaincopy
![](https://oscdn.geek-share.com/Uploads/Images/Content/201611/a7c8e286f463007e2a900848b93dd72c.png)
![](https://oscdn.geek-share.com/Uploads/Images/Content/201611/9e12f1d3e499fc949c886e7c9e0484f9)
UserDetails.isLocked=用户已被锁定
UserDetails.userNotFound=用户{0}不存在
然后使用getMessage方法
getMessage("UserDetails.isLocked",null,null) //用户已被锁定
getMessage("UserDetails.isLocked",new Object[]{“admin”},null) //用户admin不存在
UserCache配置,通过ecahe实现
[java] view
plaincopy
![](https://oscdn.geek-share.com/Uploads/Images/Content/201611/a7c8e286f463007e2a900848b93dd72c.png)
![](https://oscdn.geek-share.com/Uploads/Images/Content/201611/9e12f1d3e499fc949c886e7c9e0484f9)
<!-- 启用用户的缓存功能 -->
<bean id="userCache"
class="org.springframework.security.core.userdetails.cache.EhCacheBasedUserCache">
<property name="cache" ref="userEhCache" />
</bean>
<bean id="userEhCache" class="org.springframework.cache.ehcache.EhCacheFactoryBean">
<property name="cacheName" value="userCache" />
<property name="cacheManager" ref="cacheManager" />
</bean>
<bean id="cacheManager"
class="org.springframework.cache.ehcache.EhCacheManagerFactoryBean" />
ehcache.xml
[html] view
plaincopy
![](https://oscdn.geek-share.com/Uploads/Images/Content/201611/a7c8e286f463007e2a900848b93dd72c.png)
![](https://oscdn.geek-share.com/Uploads/Images/Content/201611/9e12f1d3e499fc949c886e7c9e0484f9)
<cache
name="userCache"
maxElementsInMemory="100"
eternal="false"
timeToIdleSeconds="600"
timeToLiveSeconds="3600"
overflowToDisk="true"
/>
注入ecache
[java] view
plaincopy
![](https://oscdn.geek-share.com/Uploads/Images/Content/201611/a7c8e286f463007e2a900848b93dd72c.png)
![](https://oscdn.geek-share.com/Uploads/Images/Content/201611/9e12f1d3e499fc949c886e7c9e0484f9)
@Autowired
private UserCache userCache;
这样在程序中就可以通过
this.userCache.getUserFromCache(username);获取到缓存中的用户对象
用户对象为UserDetails类型
国际化配置
[html] view
plaincopy
![](https://oscdn.geek-share.com/Uploads/Images/Content/201611/a7c8e286f463007e2a900848b93dd72c.png)
<!-- 定义上下文返回的消息的国际化 -->
<bean id="messageSource"
class="org.springframework.context.support.ReloadableResourceBundleMessageSource">
<property name="basename"
value="classpath:config/messages_zh_CN"/>
</bean>
basename中配置的是消息文件的路径
在spring-security-core-3.2.0.M1.jar包中的org.springframework.security下可以找到国际化文件,可以直接拿来,这个类也可以用在项目中
[java] view
plaincopy
![](https://oscdn.geek-share.com/Uploads/Images/Content/201611/a7c8e286f463007e2a900848b93dd72c.png)
@Autowired
private MessageSource messageSource;
这样就可以在类中引如MessageSource使用了,MessageSource提供了下面三个方法
[html] view
plaincopy
![](https://oscdn.geek-share.com/Uploads/Images/Content/201611/a7c8e286f463007e2a900848b93dd72c.png)
String getMessage(String code, Object[] args, String defaultMessage, Locale locale);
String getMessage(String code, Object[] args, Locale locale) throws NoSuchMessageException;
String getMessage(MessageSourceResolvable resolvable, Locale locale) throws NoSuchMessageException;
比如我们在property文件中定义了如下消息
[java] view
plaincopy
![](https://oscdn.geek-share.com/Uploads/Images/Content/201611/a7c8e286f463007e2a900848b93dd72c.png)
UserDetails.isLocked=用户已被锁定
UserDetails.userNotFound=用户{0}不存在
然后使用getMessage方法
getMessage("UserDetails.isLocked",null,null) //用户已被锁定
getMessage("UserDetails.isLocked",new Object[]{“admin”},null) //用户admin不存在
UserCache配置,通过ecahe实现
[java] view
plaincopy
![](https://oscdn.geek-share.com/Uploads/Images/Content/201611/a7c8e286f463007e2a900848b93dd72c.png)
<!-- 启用用户的缓存功能 -->
<bean id="userCache"
class="org.springframework.security.core.userdetails.cache.EhCacheBasedUserCache">
<property name="cache" ref="userEhCache" />
</bean>
<bean id="userEhCache" class="org.springframework.cache.ehcache.EhCacheFactoryBean">
<property name="cacheName" value="userCache" />
<property name="cacheManager" ref="cacheManager" />
</bean>
<bean id="cacheManager"
class="org.springframework.cache.ehcache.EhCacheManagerFactoryBean" />
ehcache.xml
[html] view
plaincopy
![](https://oscdn.geek-share.com/Uploads/Images/Content/201611/a7c8e286f463007e2a900848b93dd72c.png)
<cache
name="userCache"
maxElementsInMemory="100"
eternal="false"
timeToIdleSeconds="600"
timeToLiveSeconds="3600"
overflowToDisk="true"
/>
注入ecache
[java] view
plaincopy
![](https://oscdn.geek-share.com/Uploads/Images/Content/201611/a7c8e286f463007e2a900848b93dd72c.png)
@Autowired
private UserCache userCache;
这样在程序中就可以通过
this.userCache.getUserFromCache(username);获取到缓存中的用户对象
用户对象为UserDetails类型
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