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Spring中MVC模块代码详解-创新互联

SpringMVC的Controller用于处理用户的请求。Controller相当于Struts1里的Action,他们的实现机制、运行原理都类似

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Controller是个接口,一般直接继承AbstrcatController,并实现handleRequestInternal方法。handleRequestInternal方法相当于Struts1的execute方法

import org.springframework.web.servlet.ModelAndView;
import org.springframework.web.servlet.mvc.AbstractController;
public class CatController extends AbstractController{
	private ICatService catService;
	//setter、getter略 
	protected ModelAndView handleRequestInternal(HttpServletRequestrequest,HttpServletResponse response) throws Exception{
		String action =request.getParameter("action");
		if("list".equals(action)){
			return this.list(request,response);
		}
	}
	protected ModelAndView list(HttpServletRequestrequest,HttpServletResponse response) throws Exception{
		List catList =catService.listCat();
		request.setAttribute("catList", catList);
		return new ModelAndView("cat/listCat");
	}
}

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