need to pass value from javascript to Spring mvc controller

Question

I am doing encryption and decryption of message at javascript and want to send result message to the spring controller mvc.

@RequestMapping(value = "/token")
public @ResponseBody String getAllBooks(@RequestParam boolean isAuth, @ModelAttribute("somedata") Token data) {
    ModelAndView mav = new ModelAndView();
    mav.addObject("encryptedToken", data.getValue()); return token;}

Hence the token should hold the value from javascript. I am not using jquery. How to get that value from javascript to Spring mvc controller.

<script>
function Encrypt(msg) {
...................
...................
return encryptedFinally;}
</script>

I want to use this variable (i.e. encryptedFinally) in java controller class.

Post your Token code and also please make you question more clear — OQJF
– OQJF, Commented Jul 22, 2013 at 10:33
Java script has encrypted message the same I wan't to pass from Java script to Controller class method. — gjosh
– gjosh, Commented Jul 22, 2013 at 10:46
How do you send this "/token" request? ajax or submit a form — OQJF
– OQJF, Commented Jul 23, 2013 at 0:47

MaVVamaldo · Accepted Answer · 2013-07-23 07:32:50Z

1

I think that you have a number of choices:

Add the variable into the Model object (you can follow the @WilQu suggestion for this)
Pass the variable asynchronously with AJAX
pass the variable as a URI parameter like so .../my/path/{var}/something/else/if/it/makes/sense
pass the variable as a query parameter like so /my/path?var=value

At first glance, for your problem I'd choose option number one.

answered Jul 23, 2013 at 7:32

MaVVamaldo

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WilQu · Accepted Answer · 2013-07-23 07:18:13Z

0

Add a hidden input into your form and set the value of this input to the result of the encryption from your javascript code.

answered Jul 23, 2013 at 7:18

WilQu

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