javascript spring modelandview重定向在jquery ajax调用中不起作用
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spring modelandview redirect not working in jquery ajax call
提问by pappu_kutty
I am returing modelview attrbute form below controller
我正在返回控制器下方的模型视图属性表单
@RequestMapping(value = "/signin", method = RequestMethod.POST)
public @ResponseBody
ModelAndView loginUser(@RequestParam(value = "userName") String userName,
@RequestParam(value = "password") String password,
ModelAndView model) {
on success login
return new ModelAndView("redirect:/another controller here");
on failure login
return new ModelAndView("same page");
i have jquery ajax call which invokes this controller, when successful login i want to user to take another page, but my response comes to the same page instead of redirecting to another page.
我有调用此控制器的 jquery ajax 调用，当成功登录时，我希望用户访问另一个页面，但我的响应来自同一页面，而不是重定向到另一个页面。
help needed
需要帮助
EDIT - I am using URL based view resolver and Apache tiles for view rendering
编辑 - 我使用基于 URL 的视图解析器和 Apache 磁贴进行视图渲染
回答by Will Keeling
Assuming I'm understanding your problem, the redirect will take place within the context of the AJAX call - so the JQuery AJAX code will follow the redirect and receive the response it gets back from /another controller here. This won't trigger a full page refresh but the response will be available by the JQuery AJAX code for rendering in the current page.
假设我理解您的问题，重定向将在 AJAX 调用的上下文中发生 - 因此 JQuery AJAX 代码将遵循重定向并接收它从/another controller here. 这不会触发整个页面刷新，但响应将由 JQuery AJAX 代码用于在当前页面中呈现。
To change the whole page on successful login, you may be better to not use AJAX for this screen.
要在成功登录时更改整个页面，您最好不要在此屏幕上使用 AJAX。
Alternatively, you could return some indicator to tell JQuery to redirect. For example:
或者，您可以返回一些指示符来告诉 JQuery 重定向。例如：
@RequestMapping(value = "/signin", method = RequestMethod.POST)
public @ResponseBody
ModelAndView loginUser(@RequestParam(value = "userName") String userName,
@RequestParam(value = "password") String password,
ModelAndView model) {
on success login
ModelAndView modelAndView = new ModelAndView("same page");
modelAndView.addObject("redirectUrl", "/another controller here");
return modelAndView;
on failure login
return new ModelAndView("same page");
And then have some Javascript in same pagethat looks for the presence of redirectUrland triggers a full page redirect if present.
然后在其中使用一些 Javascriptsame page查找是否存在redirectUrl并触发完整页面重定向（如果存在）。
var redirect = '${redirectUrl}';
if (redirect) {
window.location.replace(redirect);
}
