[英]How to get a page not redirect to the main
我絕對是JSP和Spring框架和注釋的初學者。 我已經建立了一個標准的CRUD應用程序,但是有一個問題。 每當我想要添加 , 編輯或刪除用戶時,如果我位於索引大於1的頁面上,應用程序會將我重定向到主“用戶”頁面,我如何使其保持靜止在頁面上?以上所有動作?
但是我希望它仍然在同一頁面上,在其中我可以添加 , 編輯或刪除
UserController類在下面
@Controller
public class UserController
{
private UserService userService;
@Autowired
public void setUserService(UserService userService)
{
this.userService = userService;
}
@RequestMapping(value = "users", method = RequestMethod.GET)
public String listUsers(@RequestParam(value="page", required = false) Long page, Model model) {
if (null == page)
page = 1L;
model.addAttribute("user", new User());
model.addAttribute("searcheduser", new User());
model.addAttribute("listUsers", userService.getUsers(page));
model.addAttribute("page", page);
return "users";
}
@RequestMapping(value = "/users/add", method = RequestMethod.POST)
public String addUser(@ModelAttribute("user") User user) {
if(user.getId() == 0)
userService.addUser(user);
else
{
userService.updateUser(user);
}
return "redirect:/users";
}
@RequestMapping("/remove/{id}")
public String removeUser(@PathVariable("id") int id)
{
userService.removeUser(id);
return "redirect:/users";
}
@RequestMapping("edit/{id}")
public String editUser(@PathVariable("id") int id, @RequestParam(value="page", required = false) Long page, Model model) {
if (null == page) page = 1L;
model.addAttribute("user", userService.getUser(id));
model.addAttribute("searcheduser", new User());
model.addAttribute("listUsers", userService.getUsers(page));
model.addAttribute("page", page);
return "users";
}
@RequestMapping("userdata/{id}")
public String userData(@PathVariable("id") int id, Model model) {
model.addAttribute("user", userService.getUser(id));
return "userdata";
}
@RequestMapping(value="searchresults", method = RequestMethod.POST)
public String searchResults(@ModelAttribute("searcheduser") User user, Model model) {
List<User> searchResult = userService.getUsers(user.getName());
model.addAttribute("listUsers", searchResult);
return "searchresults";
}
}
將page
添加為重定向的參數,以進行刪除和編輯:
@RequestMapping("edit/{id}")
public String editUser(@PathVariable("id") int id, @RequestParam(value="page", required = false) Long page, Model model) {
if (null == page) page = 1L;
model.addAttribute("user", userService.getUser(id));
model.addAttribute("searcheduser", new User());
model.addAttribute("listUsers", userService.getUsers(page));
model.addAttribute("page", page);
return "redirect:/users?page="+page;
}
刪除同樣如此。
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