@RequestMapping(value = {"list", ""}) 中的 “”有什么用?
@Controller
@RequestMapping(value = "${adminPath}/Weter")
public class WeterController extends BaseController {
@RequestMapping(value = {"list", ""})
public String list(Weter weter, HttpServletRequest request, HttpServletResponse response, Model model) {
return "modules/Weter/WeterList";
}
请问以上代码中 @RequestMapping(value = {"list", ""})
{"list", ""} 这里面为什么还有一项 "" , 这一项有什么用?