■ form データを受信するには...
request.queryMap() 又は、request.queryParams() から取得可能...(Request request, Response response) {
QueryParamsMap map = request.queryMap();
String userId = map.get("userId").value();
...
String userId2 = request.queryParams("userId");■ サンプル
DemoService.java
package com.sample.spark;
import com.google.gson.Gson;
import com.sample.spark.controllers.HelloWorldController;
import spark.Service;
public class DemoService {
public static void main(String[] args) {
DemoService sparkService = new DemoService();
sparkService.initialize();
}
private Service service;
private DemoService(ServiceConfig config) {
this.service = Service.ignite();
}
public void initialize() {
this.service.staticFiles.location("/public");
Gson gson = new Gson();
HelloWorldController controller = new HelloWorldController();
this.service.get("/receive", controller::receive);
this.service.get("/stop", (request, response) -> {
// Server stop!
this.service.stop();
return null;
});
}
}HelloWorldController.java
package com.sample.spark.controllers;
import java.util.ArrayList;
import java.util.List;
import com.sample.spark.models.Person;
import spark.QueryParamsMap;
import spark.Request;
import spark.Response;
public class HelloWorldController {
public String receive(Request request, Response response) {
QueryParamsMap map = request.queryMap();
try {
String userId = map.get("userId").value();
String userName = map.get("userName").value();
String userId2 = request.queryParams("userId");
String userName2 = request.queryParams("userName");
return "userId : " + userId + " userName : " + userName +" userId2 : " + userId2 + " userName2 : " + userName2;
} catch (Exception ex) {
return "Error: " + ex.getMessage();
}
}}sampleform.html
<!DOCTYPE html><html><head><meta http-equiv="Content-Type" content="text/html; charset=UTF-8"><title>Hello World</title><script type="text/javascript"
src="https://ajax.googleapis.com/ajax/libs/jquery/3.2.1/jquery.min.js"></script><script src="./js/customAjax.js" type="text/javascript"></script></head><body><h1>Hello World!</h1><form><fieldset><p>ID</p><input type="text" name="userId" id="userId"><p>Name</p><input type="text" name="userName" id="userName"> <input
type="button" id="buttonSubmit" value="submit"></fieldset></form><br><p>
Result: <span id="result"></span></p></body></html>customAjax.js
$(function() {
$('#buttonSubmit').click(function(){
var userId = $('#userId').val();
var userName = $('#userName').val();
$.ajax({
url: '/receive?userId=' + userId + '&userName=' + userName,
success: function(result) {
$('#result').text(result);
}
});
});
});出力結果
ブラウザを立ち上げて、以下のURLにアクセスする[[http://localhost:4567/sampleform.html]]
参考文献
https://www.firstfewlines.com/post/spark-java-example-with-jquery-ajax/https://stackoverflow.com/questions/29312048/how-to-get-data-from-form-with-spark-java