Contoh Dynamic Input Field

contoh-dynamic-input.html

<form method=post>
  
  Bobot Tugas 1 : <input type=text name=tugas1> % <br>
  Bobot Tugas 2 : <input type=text name=tugas2> % <br>
  Bobot Tugas 3 : <input type=text name=tugas3> % <br>
  <input type=submit>
</form>

DynamicInputController.java

@Controller
public class DynamicInputController {

  @GetMapping("/dynamic-input")
  public void displayForm(){}
  
  @PostMapping("/dynamic-input")
  public String processForm(@RequestParam Map<String, String> semuaParameter){
  
    // penampungan hasilnya
    Map<Integer, Integer> bobotTugas = new HashMap<>();
    
    // ambil data dari request param
    String prefix = "tugas";
    for(int i = 0; i < semuaParameter.size(); i++) {
      Integer bobot = semuaParameter.get(prefix + i);
      if(bobot != null){
        bobotTugas.put(i, bobot);
      }
    }
    
    // selesai
    return "redirect:/dynamic-input?success=true";
  }
}