Springboot Integration SSM Removal

Here I encountered a problem, is the front page I splicing a path variable, but not to the background is a null value

First look at the code on my page:

Controller:

Finally, if you want to make the front-end path parameters and background matching, need to use a note, before adding this annotation

has been lined up for more than half an hour ...

You can get the value after you add it.

    //Delete@RequestMapping ("/delete")     Publicstring Deletes (@PathVariable string id) {Try{            intids=integer.parseint (ID); intDelete =Iairservice.delete (IDS); }Catch(Exception e) {e.printstacktrace (); }        return "Forward:/gohome"; }

Springboot Integration SSM Removal