javaFX listview 里面的按钮点击事件

Question

javaFX listview 里面的单元格是自定义的 为啥按钮触发不了点击事件啊，也就是button.setOnAction 里面点击事件为啥触发不了，（PS:列表的选择事件貌似也触发不了）
，求大神们指点下 试了一早上还是不行

package im.listcell;

import im.base.BaseEntity;
import im.entity.UserEntity;
import im.window.ChatWindow;
import im.window.PersonMessageDetailWindow;
import javafx.event.ActionEvent;
import javafx.event.EventHandler;
import javafx.scene.control.Button;
import javafx.scene.control.Hyperlink;
import javafx.scene.control.ListCell;
import javafx.scene.image.Image;
import javafx.scene.image.ImageView;
import javafx.scene.input.MouseEvent;
import javafx.scene.layout.HBox;
import javafx.scene.layout.VBox;
import javafx.scene.paint.Color;
import javafx.scene.shape.Circle;
import javafx.scene.shape.Rectangle;
import javafx.scene.text.Text;

import java.io.IOException;

/**
 * 用户列表样式
 */
public class SearchUserCell extends ListCell<UserEntity>{
    private HBox content;
    private Text name;
    private Text signature;


    @Override
    protected void updateItem(UserEntity item, boolean empty) {

      //  boolean f = getStylesheets().add(this.getClass().getResource("/Css/index.css").toExternalForm());
     if(item!= null &&!empty){
         VBox vBox = new VBox();
         name = new Text(item.getNickname());
         signature = new Text(item.getSignature());
         vBox.getChildren().add(name);
         vBox.getChildren().add(signature);
         vBox.setPrefWidth(getScene().getWidth()/1.8);
         //Hyperlink hyperlink = new Hyperlink("查看资料");
         Button button = new Button("查看资料");
         Hyperlink hyperlink1 = new Hyperlink("添加联系人");
         ImageView imageView = new ImageView();
         Image image = new Image(item.getUrl());
         Circle circle = new Circle();
         circle.setCenterX(30);
         circle.setCenterY(30);
         circle.setRadius(60);
         imageView.setFitWidth(30);
         imageView.setFitHeight(30);
         imageView.setImage(image);
         imageView.setClip(circle);

         content = new HBox(imageView,vBox,button,hyperlink1);
         content.setSpacing(5);
         content.setMouseTransparent(false);

         button.setOnAction(new EventHandler<ActionEvent>() {
             @Override
             public void handle(ActionEvent event) {
                 System.out.println("点击");
                 PersonMessageDetailWindow personMessageDetailWindow = new PersonMessageDetailWindow();
                 personMessageDetailWindow.show();
             }
         });
         setOnMouseClicked(new EventHandler<MouseEvent>() {

             public void handle(MouseEvent event) {
                 System.out.println("选中事件："+getIndex());

                 if(event.getClickCount()==2){

                     System.out.println("点击2次");
                     try {
                         new ChatWindow().show();
                     } catch (IOException e) {
                         e.printStackTrace();
                     }
                 }else if(event.getClickCount()==1){
                     System.out.println("点击1次1");
                 }

             }
         });

         setGraphic(content);
     }else{
         setGraphic(null);
     }

    }
}