语句块

1. 通过范型反射，取得子类中定义的entityClass.
this.entityClass = (Class<T>) ((ParameterizedType) getClass().getGenericSuperclass()).getActualTypeArguments()[0];  2016-03-12 10:59:14

2. 得到URL的一种方式

String location = "classpath:cache/ehcache.xml";
PathMatchingResourcePatternResolver resolver = new PathMatchingResourcePatternResolver();
Resource resource = resolver.getResource(location);
URL url = resource.getURL();

3. 流变字符串

import common.io.Streams;
String json = Streams.asString(request.getInputStream(), "UTF-8");