Page transitions spring boot program

Question

Page transitions spring boot program

I am encountering an issue when trying to navigate between pages. I have a button that triggers an AJAX POST request. Here is an example of the code:

 $.ajax({
        contentType: "application/json",
        type: "POST",
        data: JSON.stringify(project),
        url: "/saveProject",
        success: function (data) {
            console.log('done');
        },
        error: function (jqXHR, textStatus, errorThrown) {
            console.log('error while post');
        }
    });

@RequestMapping(value = "/saveProject", method = RequestMethod.POST)
public @ResponseBody
String saveProject(@RequestBody Project newProject, Authentication authentication) {
    projectService.saveProjectNew(newProject, authentication);

    return "mywork.html";

}

My goal is to redirect to mywork.html after executing the AJAX call, but currently nothing happens and I remain on the same page. There may be something missing in my implementation that I am not aware of, as I am relatively new to this.

javascript java ajax spring spring-mvc

Answer 1

Answer №1

In order to redirect the page to mywork.html, you must include the following code within the success function of your Ajax call:

window.location.href = "Your context path"+"/mywork.html";

Refer to the example code snippet below for guidance:

$.ajax({
    contentType: "application/json",
    type: "POST",
    data: JSON.stringify(project),
    url: "/saveProject",
    success: function (data) {
        window.location.href = "Your context path"+"/mywork.html";

    },
    error: function (jqXHR, textStatus, errorThrown) {
        console.log('error while post');
    }
});

Keep in mind that the spring web client code will not directly route the call to mywork.html. All redirections should occur through the Ajax call.

return "mywork.html";

This code is specifically for modeling the response obtained after calling the endpoint.

Answer 2

In order to redirect the page to mywork.html, you must include the following code within the success function of your Ajax call:

window.location.href = "Your context path"+"/mywork.html";

Refer to the example code snippet below for guidance:

$.ajax({
    contentType: "application/json",
    type: "POST",
    data: JSON.stringify(project),
    url: "/saveProject",
    success: function (data) {
        window.location.href = "Your context path"+"/mywork.html";

    },
    error: function (jqXHR, textStatus, errorThrown) {
        console.log('error while post');
    }
});

Keep in mind that the spring web client code will not directly route the call to mywork.html. All redirections should occur through the Ajax call.

return "mywork.html";

This code is specifically for modeling the response obtained after calling the endpoint.

Answer 3

Answer №2

When it comes to triggering HTTP redirection, it can be done from both the back-end and the front-end AJAX code as shown in your post.

If you want the redirection to occur from the user interface, you can include a window redirection like @Anurag suggested in his response within the AJAX success callback.

In the example provided, you are attempting to redirect the user to a new page directly from the backend endpoint itself. To make this redirection work from the Spring backend side, where you already have a controller returning the view for mapping /mywork.html, you need to follow these steps:

@RequestMapping(value = "/saveProject", method = RequestMethod.POST)
public String saveProject(@RequestBody Project newProject, Authentication authentication) {
    projectService.saveProjectNew(newProject, authentication);
    return "redirect:/mywork.html";
}

Alternatively, you could use ResponseEntity like so:

HttpHeaders headers = new HttpHeaders();
headers.setLocation(URI.create(newUrl));
return new ResponseEntity<>(headers, HttpStatus.MOVED_PERMANENTLY);

In your current implementation, the use of the annotation @ResponseBody for the controller method results in the endpoint behaving like a REST endpoint that returns JSON by default. To enable redirection, remove this annotation and transform it into a standard controller method that returns a view.

If you still wish to perform redirection from a REST endpoint, you can utilize HttpServletResponse in this manner:

@RequestMapping(value = "/saveProject", method = RequestMethod.POST)
public @ResponseBody String saveProject(@RequestBody Project newProject, Authentication authentication, HttpServletResponse response) {
    projectService.saveProjectNew(newProject, authentication);
    response.sendRedirect("url-here");   
}

For further details, check out this link.

Answer 4

When it comes to triggering HTTP redirection, it can be done from both the back-end and the front-end AJAX code as shown in your post.

If you want the redirection to occur from the user interface, you can include a window redirection like @Anurag suggested in his response within the AJAX success callback.

In the example provided, you are attempting to redirect the user to a new page directly from the backend endpoint itself. To make this redirection work from the Spring backend side, where you already have a controller returning the view for mapping /mywork.html, you need to follow these steps:

@RequestMapping(value = "/saveProject", method = RequestMethod.POST)
public String saveProject(@RequestBody Project newProject, Authentication authentication) {
    projectService.saveProjectNew(newProject, authentication);
    return "redirect:/mywork.html";
}

Alternatively, you could use ResponseEntity like so:

HttpHeaders headers = new HttpHeaders();
headers.setLocation(URI.create(newUrl));
return new ResponseEntity<>(headers, HttpStatus.MOVED_PERMANENTLY);

In your current implementation, the use of the annotation @ResponseBody for the controller method results in the endpoint behaving like a REST endpoint that returns JSON by default. To enable redirection, remove this annotation and transform it into a standard controller method that returns a view.

If you still wish to perform redirection from a REST endpoint, you can utilize HttpServletResponse in this manner:

@RequestMapping(value = "/saveProject", method = RequestMethod.POST)
public @ResponseBody String saveProject(@RequestBody Project newProject, Authentication authentication, HttpServletResponse response) {
    projectService.saveProjectNew(newProject, authentication);
    response.sendRedirect("url-here");   
}

For further details, check out this link.

Page transitions spring boot program

Answer №1

Answer №2

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