1：正确写法

@RequestMapping("{type_key}.html")

public String geren(Model model, @PathVariable String type_key) {

List<EmployeeModel> emplist = employeeService.selectOnjobEmployee();

model.addAttribute("type_key", type_key);

model.addAttribute("emplist", emplist);

return "/front/e/aaa";

}

2：正确写法

@RequestMapping("/ama")

public ModelAndView lists(ModelAndView mv) {

//import org.springframework.web.servlet.ModelAndView;

 

mv.setViewName("/back/b");

return mv;

}

 

import org.springframework.web.portlet.ModelAndView;跳转无效

 

引包时候一定注意了是servlet不是portlet