目录摘要概念内存与磁盘持久化存储：配置灵活性：编码示例引入依赖：配置ehcache.XML文件：配置文件：自定义缓存get/set方式：启动类加注解：编辑测试类：测试结果：总结摘要
I have a block element that is positioned absolutely and some other elements on page that are positioned fixed. The effect is the block on top floats over the page which wo开发者_开发问答rks well.
加载中,请稍侯......