简单说明spring的感化(国外英文资料).docVIP

简单说明spring的作用(国外英文资料) Spring was also introduced in the project, when it was written that Spring was a class configuration file. Its not a good idea to go into a little bit more recently. 1. Spring is the agent or mediation in the project. When we configure struts + hibernate + spring, we usually hand the struts Action to spring. Spring is in the configuration file, according to your request path, such as / regist to find the class you want to execute, and The members of this Action, like the dao, and so forth, youre going to do the registration, just tell Spring, Im going to register, and then register the daos that I need in the Spring, the user name, the parameter, and so forth in the Form, That way, you can complete the registration. 2. Spring is also a class configuration file. The class that were going to use, the member variable inside, can be controlled by Spring inversion, The Spring implementation principle is also simple: read the XML file, And then, based on the ID and the path, such as cn.advidea. RegistAction, and reflect through the ClassForName, You can get an instance of the class. And the future of software development, its all about configuration, webwork, XML for Aciton, Ibatis can also match its own SQL statements, and the configuration file for a Class is poor, so Spring must be the mainstream of todays development tools. It is recommended that you take a good look at Spring, understand its thoughts, and take care of others. -- -- -- -- -- -- Spring, like Struts, is an open source framework, and its main benefit is the realization of an IOC dependency inversion. -- What is the IOC? IOC is according to the configuration file, the JavaBean instantiation, in Struts, the instance of the bean is the need to apply for, and Spring can better realize the beans and bean between decoupled, and can better realize the demand change plug (by modifying the configuration file content rather than modifying code) -- Another benefit of Spring is AOP -- AOP is i