Bind a list of radio buttons with Spring and Thymeleaf









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my problem is that I need to get the radio buttons that are selected in HTML file and use it in the PostMapping.



<!DOCTYPE html>
<html lang="en" xmlns="http://www.w3.org/1999/xhtml"
xmlns:th="http://www.thymeleaf.org">
<head>
<meta charset="UTF-8">
<title>Do Test Excercise</title>
<script language="javascript">
</script>
</head>
<body>
<h1>Do Test Exercise</h1>
<form method="POST">
<span align="left" th:each="question : $exercise.getQuestions()">
<p valign="top" th:text="$question.text">Text</p>
<tr align="left" th:each="solution : $question.getSolutions()">
<input width="5%" type="radio" th:name="$question.question_ID" th:text="$solution.text"
th:value="$solution.text"/><BR>
</tr>
</span>
<input type="submit" value="Submit">
</form>
</body>
</html>


However I don't know how to get that values for the radio buttons and save it in a array of String



@GetMapping("doTest/post/exercise")
public String doTest(Model model, @PathVariable String exercise)
model.addAttribute("exercise", exercisesDAO.getExerciseByType(exercise, "Test"));
return "exercise/doTestExercise";


@PostMapping("doTest/post/exercise")
public String doTest(@RequestParam(value = "solution") String solution, @PathVariable String post, @PathVariable String exercise, RedirectAttributes redirectAttributes)
exercisesDAO.solve(exercise, solution, "admin", "Test");
redirectAttributes.addAttribute("post", post);
redirectAttributes.addAttribute("exercise", exercise);
return "redirect:/showMark/post/exercise";



Thanks










share|improve this question

























    up vote
    0
    down vote

    favorite












    my problem is that I need to get the radio buttons that are selected in HTML file and use it in the PostMapping.



    <!DOCTYPE html>
    <html lang="en" xmlns="http://www.w3.org/1999/xhtml"
    xmlns:th="http://www.thymeleaf.org">
    <head>
    <meta charset="UTF-8">
    <title>Do Test Excercise</title>
    <script language="javascript">
    </script>
    </head>
    <body>
    <h1>Do Test Exercise</h1>
    <form method="POST">
    <span align="left" th:each="question : $exercise.getQuestions()">
    <p valign="top" th:text="$question.text">Text</p>
    <tr align="left" th:each="solution : $question.getSolutions()">
    <input width="5%" type="radio" th:name="$question.question_ID" th:text="$solution.text"
    th:value="$solution.text"/><BR>
    </tr>
    </span>
    <input type="submit" value="Submit">
    </form>
    </body>
    </html>


    However I don't know how to get that values for the radio buttons and save it in a array of String



    @GetMapping("doTest/post/exercise")
    public String doTest(Model model, @PathVariable String exercise)
    model.addAttribute("exercise", exercisesDAO.getExerciseByType(exercise, "Test"));
    return "exercise/doTestExercise";


    @PostMapping("doTest/post/exercise")
    public String doTest(@RequestParam(value = "solution") String solution, @PathVariable String post, @PathVariable String exercise, RedirectAttributes redirectAttributes)
    exercisesDAO.solve(exercise, solution, "admin", "Test");
    redirectAttributes.addAttribute("post", post);
    redirectAttributes.addAttribute("exercise", exercise);
    return "redirect:/showMark/post/exercise";



    Thanks










    share|improve this question























      up vote
      0
      down vote

      favorite









      up vote
      0
      down vote

      favorite











      my problem is that I need to get the radio buttons that are selected in HTML file and use it in the PostMapping.



      <!DOCTYPE html>
      <html lang="en" xmlns="http://www.w3.org/1999/xhtml"
      xmlns:th="http://www.thymeleaf.org">
      <head>
      <meta charset="UTF-8">
      <title>Do Test Excercise</title>
      <script language="javascript">
      </script>
      </head>
      <body>
      <h1>Do Test Exercise</h1>
      <form method="POST">
      <span align="left" th:each="question : $exercise.getQuestions()">
      <p valign="top" th:text="$question.text">Text</p>
      <tr align="left" th:each="solution : $question.getSolutions()">
      <input width="5%" type="radio" th:name="$question.question_ID" th:text="$solution.text"
      th:value="$solution.text"/><BR>
      </tr>
      </span>
      <input type="submit" value="Submit">
      </form>
      </body>
      </html>


      However I don't know how to get that values for the radio buttons and save it in a array of String



      @GetMapping("doTest/post/exercise")
      public String doTest(Model model, @PathVariable String exercise)
      model.addAttribute("exercise", exercisesDAO.getExerciseByType(exercise, "Test"));
      return "exercise/doTestExercise";


      @PostMapping("doTest/post/exercise")
      public String doTest(@RequestParam(value = "solution") String solution, @PathVariable String post, @PathVariable String exercise, RedirectAttributes redirectAttributes)
      exercisesDAO.solve(exercise, solution, "admin", "Test");
      redirectAttributes.addAttribute("post", post);
      redirectAttributes.addAttribute("exercise", exercise);
      return "redirect:/showMark/post/exercise";



      Thanks










      share|improve this question













      my problem is that I need to get the radio buttons that are selected in HTML file and use it in the PostMapping.



      <!DOCTYPE html>
      <html lang="en" xmlns="http://www.w3.org/1999/xhtml"
      xmlns:th="http://www.thymeleaf.org">
      <head>
      <meta charset="UTF-8">
      <title>Do Test Excercise</title>
      <script language="javascript">
      </script>
      </head>
      <body>
      <h1>Do Test Exercise</h1>
      <form method="POST">
      <span align="left" th:each="question : $exercise.getQuestions()">
      <p valign="top" th:text="$question.text">Text</p>
      <tr align="left" th:each="solution : $question.getSolutions()">
      <input width="5%" type="radio" th:name="$question.question_ID" th:text="$solution.text"
      th:value="$solution.text"/><BR>
      </tr>
      </span>
      <input type="submit" value="Submit">
      </form>
      </body>
      </html>


      However I don't know how to get that values for the radio buttons and save it in a array of String



      @GetMapping("doTest/post/exercise")
      public String doTest(Model model, @PathVariable String exercise)
      model.addAttribute("exercise", exercisesDAO.getExerciseByType(exercise, "Test"));
      return "exercise/doTestExercise";


      @PostMapping("doTest/post/exercise")
      public String doTest(@RequestParam(value = "solution") String solution, @PathVariable String post, @PathVariable String exercise, RedirectAttributes redirectAttributes)
      exercisesDAO.solve(exercise, solution, "admin", "Test");
      redirectAttributes.addAttribute("post", post);
      redirectAttributes.addAttribute("exercise", exercise);
      return "redirect:/showMark/post/exercise";



      Thanks







      java spring thymeleaf






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      asked Nov 11 at 1:04









      Erik Espuñes Juberó

      1




      1






















          1 Answer
          1






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          up vote
          0
          down vote













          You need to change the name of your inputs from th:name="$question.question_ID", to th:name="$'solution['+ question.question_ID + ']'". After that, you need to change your controller, so that instead of an array of Strings, it will receive a HashMap, where you will get for each id, the chosen solution.



          Form



          <form method="POST" th:action="@doTest/$post.id/$exercise.id">
          <span align="left" th:each="question : $exercise.getQuestions()">
          <p valign="top" th:text="$question.text">Text</p>
          <tr align="left" th:each="solution : $question.getSolutions()">
          <input width="5%" type="radio" th:name="$'solution['+ question.question_ID + ']'" th:text="$solution.text" th:value="$solution.text"/><BR>
          </tr>
          </span>
          <input type="submit" value="Submit">
          </form>


          Controller



          @PostMapping("doTest/post/exercise")
          public String doTest(@RequestParam(value = "solution") HashMap<String, String> solutions, @PathVariable String post, @PathVariable String exercise, RedirectAttributes redirectAttributes) ...





          share|improve this answer




















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            1 Answer
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            active

            oldest

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            1 Answer
            1






            active

            oldest

            votes









            active

            oldest

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            active

            oldest

            votes








            up vote
            0
            down vote













            You need to change the name of your inputs from th:name="$question.question_ID", to th:name="$'solution['+ question.question_ID + ']'". After that, you need to change your controller, so that instead of an array of Strings, it will receive a HashMap, where you will get for each id, the chosen solution.



            Form



            <form method="POST" th:action="@doTest/$post.id/$exercise.id">
            <span align="left" th:each="question : $exercise.getQuestions()">
            <p valign="top" th:text="$question.text">Text</p>
            <tr align="left" th:each="solution : $question.getSolutions()">
            <input width="5%" type="radio" th:name="$'solution['+ question.question_ID + ']'" th:text="$solution.text" th:value="$solution.text"/><BR>
            </tr>
            </span>
            <input type="submit" value="Submit">
            </form>


            Controller



            @PostMapping("doTest/post/exercise")
            public String doTest(@RequestParam(value = "solution") HashMap<String, String> solutions, @PathVariable String post, @PathVariable String exercise, RedirectAttributes redirectAttributes) ...





            share|improve this answer
























              up vote
              0
              down vote













              You need to change the name of your inputs from th:name="$question.question_ID", to th:name="$'solution['+ question.question_ID + ']'". After that, you need to change your controller, so that instead of an array of Strings, it will receive a HashMap, where you will get for each id, the chosen solution.



              Form



              <form method="POST" th:action="@doTest/$post.id/$exercise.id">
              <span align="left" th:each="question : $exercise.getQuestions()">
              <p valign="top" th:text="$question.text">Text</p>
              <tr align="left" th:each="solution : $question.getSolutions()">
              <input width="5%" type="radio" th:name="$'solution['+ question.question_ID + ']'" th:text="$solution.text" th:value="$solution.text"/><BR>
              </tr>
              </span>
              <input type="submit" value="Submit">
              </form>


              Controller



              @PostMapping("doTest/post/exercise")
              public String doTest(@RequestParam(value = "solution") HashMap<String, String> solutions, @PathVariable String post, @PathVariable String exercise, RedirectAttributes redirectAttributes) ...





              share|improve this answer






















                up vote
                0
                down vote










                up vote
                0
                down vote









                You need to change the name of your inputs from th:name="$question.question_ID", to th:name="$'solution['+ question.question_ID + ']'". After that, you need to change your controller, so that instead of an array of Strings, it will receive a HashMap, where you will get for each id, the chosen solution.



                Form



                <form method="POST" th:action="@doTest/$post.id/$exercise.id">
                <span align="left" th:each="question : $exercise.getQuestions()">
                <p valign="top" th:text="$question.text">Text</p>
                <tr align="left" th:each="solution : $question.getSolutions()">
                <input width="5%" type="radio" th:name="$'solution['+ question.question_ID + ']'" th:text="$solution.text" th:value="$solution.text"/><BR>
                </tr>
                </span>
                <input type="submit" value="Submit">
                </form>


                Controller



                @PostMapping("doTest/post/exercise")
                public String doTest(@RequestParam(value = "solution") HashMap<String, String> solutions, @PathVariable String post, @PathVariable String exercise, RedirectAttributes redirectAttributes) ...





                share|improve this answer












                You need to change the name of your inputs from th:name="$question.question_ID", to th:name="$'solution['+ question.question_ID + ']'". After that, you need to change your controller, so that instead of an array of Strings, it will receive a HashMap, where you will get for each id, the chosen solution.



                Form



                <form method="POST" th:action="@doTest/$post.id/$exercise.id">
                <span align="left" th:each="question : $exercise.getQuestions()">
                <p valign="top" th:text="$question.text">Text</p>
                <tr align="left" th:each="solution : $question.getSolutions()">
                <input width="5%" type="radio" th:name="$'solution['+ question.question_ID + ']'" th:text="$solution.text" th:value="$solution.text"/><BR>
                </tr>
                </span>
                <input type="submit" value="Submit">
                </form>


                Controller



                @PostMapping("doTest/post/exercise")
                public String doTest(@RequestParam(value = "solution") HashMap<String, String> solutions, @PathVariable String post, @PathVariable String exercise, RedirectAttributes redirectAttributes) ...






                share|improve this answer












                share|improve this answer



                share|improve this answer










                answered Nov 11 at 12:17









                Alain Cruz

                1,5211818




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