JSF actionListener 메서드를 찾을 수 없습니다.

Question

h : commandButton 안에 actionListener가 있지만 메서드가 없습니다.

<h:form id="course"> 
    <ui:repeat value="#{stationCourses.course}" var="course"> 
     <h:commandButton class="buttons" 
      id="courseID" 
      value="#{course.courseName}" 
      actionListener="#{stationCourses.courseSelected}" 
      style="alignment-adjust: central; 
      white-space: pre-line; word-wrap: break-word;"/> 
    </ui:repeat>    
</h:form> 

와 콩 : 당신이 달리 정확한 방법의 이름을 언급해야 할 행동과 ActionListener를 들어

<h:form id="course"> 
       <ui:repeat value="#{stationCourses.course}" var="course"> 
        <h:commandButton class="buttons" 
           id="courseID" 
           value="#{course.courseName}" 
           actionListener="#{stationCourses.getCourseSelected}" 
           style="alignment-adjust: central; 
           white-space: pre-line; word-wrap: break-word;"/> 
       </ui:repeat>    
      </h:form> 

로

import javax.faces.event.ActionEvent; 
import java.io.Serializable; 
import javax.faces.bean.ManagedBean; 
import javax.faces.bean.RequestScoped; 
import java.util.List; 

@ManagedBean 
@RequestScoped 
public class StationCourses implements Serializable { 

//provide connection to db 
private CourseQueries cq = new CourseQueries(); 
private List<Course> courses = cq.getCourses("station_naas"); 
private int courseNumber; 

public void setCourse() 
{ 
    courses = cq.getCourses("station_naas"); 
}//end method setCourse 

public List<Course> getCourse() { 
    return courses; 
}//end method getCourseID 

public void getCourseSelected(ActionEvent event) 
{  
    // course:j_idt6:1:courseID"; 

    //HTML buttons generate ID like the one above 
    //get char at 14 will get the unique button number 
    //we get course according to that button and -1 
    //to correct the off by one error 
    courseNumber = event.getComponent().getId().charAt(14) - 1; 

    System.out.println(courses.get(courseNumber).getCourseID()); 
}//getCourseSelected 

}//end class StationCourses 

Answer 1

이 코드를 변경

여기

코드입니다 변수.