springMVC工程 controller只能返回string 不能返回modelmap是怎么回事?

2025-04-04 18:12:34
推荐回答(1个)
回答1:

@RequestMapping(value="/save")
public ModelAndView save(HttpServletRequest request,HttpServletResponse response,Fault fault)
{

faultService.save(fault);
return new ModelAndView("redirect:videosys/fault/list");
}

 你要返回对象,应该给spring配置转换为json的东西..然后到前台解析json.


class="org.springframework.web.servlet.view.ContentNegotiatingViewResolver">























class="org.springframework.web.servlet.view.InternalResourceViewResolver">
value="org.springframework.web.servlet.view.JstlView" />











class="org.springframework.web.servlet.view.json.MappingJacksonJsonView" />