HTTP 405

POST http://localhost:8080/Frist/Login/validateUser 405 (Method Not Allowed

Ajax：

$(".LoginBtn").click(function(){
    var mydata=new Object;
    mydata.id=$("#ID").val();
    mydata.password=$("#password").val();
    $.ajax({
        type:"POST",
        url:"/Frist/Login/validateUser",
        dataType:"text",
        contentType:"application/json",
        data:JSON.stringify(mydata),
        success:function(data,status,xhr){

            alert(data);
            return true;
        },
        error:function(){
            alert("出错了");
            return false;
        }

    });

java Contorller:

@Controller
@RequestMapping(value = "/Login",method = RequestMethod.POST )
public class LoginCotroller {
    @RequestMapping(value = "/validateUser", method = RequestMethod.POST)
    public @ResponseBody String validateUser(@RequestBody User user) throws Exception {
          String TheUser=JSON.toJSONString(user);
          System.out.println(TheUser);
        return TheUser;
    }
}

Spring-mvc.xml:

    
        
            text/html;charset=UTF-8
        
    


    
        
            
        
    

为什么啊？？？？？萌新请求大佬指点!!!!