Dojo ConfirmDialog隐藏取消按钮

require(["dijit/Dialog", "dijit/form/Button"], function(Dialog, Button){
  var confirmDialog = new Dialog({
    title: "确认对话框",
    content: "确定要执行该操作吗？",
    style: "width: 300px",
    onHide: function(){
      // 对话框隐藏时的回调函数
    }
  });

  var confirmButton = new Button({
    label: "确定",
    onClick: function(){
      // 确定按钮点击时的回调函数
    }
  });

  var cancelButton = new Button({
    label: "取消",
    onClick: function(){
      // 取消按钮点击时的回调函数
    }
  });

  confirmDialog.addChild(confirmButton);
  confirmDialog.addChild(cancelButton);

  // 隐藏取消按钮
  cancelButton.domNode.style.display = "none";

  confirmDialog.show();
});