Spring 配置中的 ${} <!-- ============ GENERAL DEFINITIONS========== --> <!-- Configurer that replaces ${...} placeholders with values from a properties file --> <!-- (in this case, JDBC-related settings for the dataSource definition below)…
转载内容:http://www.cnblogs.com/google4y/p/3421017.html 1. Model Model 是一个接口, 其实现类为ExtendedModelMap,继承了ModelMap类. public class ExtendedModelMap extends ModelMap implements Model 1 2.ModelMap ModelMap的声明格式: public class ModelMap extends LinkedHashMap<Stri…