Ajax calling to controller

Ajax calling to controller method
Sample Code:
Desc:
1.>onbutton click  id = 'call' click, ajax() will call to states() method that defined in controller class .
and getting response into 'Result' variable object and putting response into divID of <div> tag into body .

<script type="text/javascript">
        $(document).ready(function() {
            $('#call').click(function ()   //'call is an ID of UI comp';
              {
                $.ajax({
                    type: "post",
                    url: "./states", //Controller method
                    data: “cname”:india,
                    success: function(Result){     
                            $('#divID).append(Result);
                    }
                });
            });
  });
    </script>
    <title>Jsp file</title>
</head>
<body>
    input:<input id="cname" type="text" name=" cname " value="" /><br></br>
    <input type="button" name=" " value=”” id="call"/>
    <div id="DivID"></div>
</body>

Comments

Post a Comment

Popular posts from this blog

Angular 2 & 2+

how to fixe cors problen in angular 6. -------------------------------------------- e.g. -@CrossOrigin(origins = "http://localhost:4200/") -at @configuration class  @Bean     public CorsFilter corsFilter() {         UrlBasedCorsConfigurationSource source = new UrlBasedCorsConfigurationSource();         CorsConfiguration config = new CorsConfiguration();         config.setAllowCredentials(true);         config.addAllowedOrigin("*");         config.addAllowedHeader("*");         config.addAllowedMethod("OPTIONS");         config.addAllowedMethod("GET");         config.addAllowedMethod("POST");         config.addAllowedMethod("PUT");         config.addAllowedMethod("DELETE");         source.regis...
Read more

How spring flow

Web.xml file is Written .will be load first and inside web.xml file we have one default file  will we load  Inside at least one servlet should be . Whatever the bean we are writing inside this file will be loaded at server startup or first User Request. i.e Connection beans ,database related beans,tx beans ..etc. For Spring Mvc dispatcherServlet have used -called front controller its take care all the user request and further process .How http request response will be process all stuff will handled by DS Servlet . Flow: Step  1 : first user request will be take by DispatcherServlet. Step  2 :  DS    will call and take the help of  HandlerMapping  and get to know the  Controller  class . Step  3 : And then controller will process the request by executing appropriate methods and return back the View using ModelAndView Step 4: Actual view will populated and Step  5 : Finally  DS  will pass the  ...
Read more

database logic

brief : ALTER TABLE A       ADD CONSTRAINT id       PRIMARY KEY (id) ALTER TABLE B ADD COLUMN a_id VARCHAR //add fkey  in B as additional cols ALTER TABLE B ADD COLUMN a_id int //now create the fkey ref to agent table on address table alter table B ADD Foreign key(a_id) references A(id); // To obtain the generated constraint name of a table SHOW CREATE TABLE B; ALTER TABLE B DROP FOREIGN KEY b _ibfk_1; //to disable fkey checks. SET foreign_key_checks = 0/1;
Read more