controller类如下:
package demo;
@Controller
public class DemoController {
@RequestMapping("/index")
public String index(Model model) {
model.addAttribute("attr","hello");
return "index";
}
@RequestMapping("/nav/{navid}")
public String index(@PathVariable("navid") Integer navId, Model model) {
model.addAttribute("param","my keyword");
return "nav";
}
}
index.jsp页面中有一个链接访问"/nav/{navid}",当我从index.jsp中点击链接访问"/nav/{navid}"跳转到nav页面后,在nav页面应该如何显示attr的值?或者说怎么修改controller类,才能让nav页面能访问到attr的值?